A method and apparatus for providing a suitable soft keyboard for end users to conveniently enter data to a portable information terminal that can not provide concurrently multiple character set keyboards, such as Korean, English, and numeric keyboards. A data input assisting method displays an input window including a plurality of input fields when data input is requested. The input window identifies an input data set among English, numeric, and non-English character sets suitable to an input field, which is selected for information input on the displayed input window, and provides a soft keyboard of touch screen or the like including the identified character set. Therefore, data input is ensured when a user must select and enter non-English (e.g., Korean), English, or numeric data to match information type of each data field to be stored in a portable information terminal, such as a Personal Digital Assistant (PDA).
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0. 34. A portable information terminal, comprising:
a touch screen;
a memory configured to store information from a data input window; and
a controller configured to:
display the data input window including a plurality of input fields, and automatically select a specific input field having first priority among the plurality of input fields, and
automatically display a data input region including a specific soft keyboard of a specific character set corresponding to the specific input field, when a specific data input is requested;
when an input field, from among the plurality of input fields, is selected by touch input of a user, display a data input region including a specific soft keyboard of a specific character set corresponding to the selected input field, wherein the specific character set is determined to be one of a first language character set, a second language character set, and a numeric character set based on an attribute of the input field; and
in response to selection of a soft key while a first soft keyboard is displayed in the data input region and while a predetermined switching order is assigned to the selected input field, change a soft keyboard corresponding to the selected input field from the first soft keyboard to a second soft keyboard according to the predetermined switching order corresponding to the selected input field,
wherein the first language character set, the second language character set and the numeric character set are different from each other.
0. 22. A portable information terminal, comprising:
a touch screen;
a memory configured to store information from a data input window; and
a controller configured to:
display, on the touch screen, the data input window including a first input field, a second input field, and a third input field, when a specific data input is requested,
display, on the touch screen, a data input region, wherein a first soft keyboard of a first language character set is displayed on the data input region when the first input field is selected, a second soft keyboard of a second language character set is displayed on the data input region when the second input field is selected, and a third soft keyboard of a numeric character set is displayed on the data input region when the third input field is selected,
in response to selection of a soft key while the first soft keyboard is displayed in the data input region and while a specific switching order of the keyboards is assigned to the soft key, change a soft keyboard included in the data input region from the first soft keyboard to the second soft keyboard; and
in response to selection of the soft key while the second soft keyboard is displayed in the data input region and while the specific switching order of the keyboards is assigned to the soft key, change a soft keyboard included in the data input region from the second keyboard to the first soft keyboard,
wherein the first and second language character sets are different from each other according to attributes of the first and second input field, and
wherein the first and second language character sets are mutually exclusive sets,
wherein the controller is configured to automatically select an input field having first priority among the first, second, and third input fields and automatically display the data input region including a soft keyboard of a character set corresponding to the selected input field.
0. 28. A portable information terminal, comprising:
a touch screen;
a memory configured to store information from a data input window; and
a controller configured to:
display, on the touch screen, the data input window including a first input field, a second input field, and a third input field, when a specific data input is requested,
wherein in response to selection of the first input field, display a data input region including a first handwriting input region, matched to a first language character set, on the touch screen, and
in response to selection of the second input field, display the data input region including a second handwriting input region, matched to a second language character set, on the touch screen,
receive a handwriting input at the first handwriting input region or the second handwriting input region;
perform character recognition regarding the handwriting input, wherein a range of the character recognition is variable according to attributes of the first or second input fields;
in response to selection of a single key while the first language character set is matched to the first handwriting input region and while a specific switching order is associated with a plurality of language sets, change a language character set matched to the first handwriting input region from the first language character set to the second language character set and change the range of the character recognition according to the change of the language character set matched to the first handwriting input region; and
in response to selection of the single key while the second language character set is matched to the second handwriting input region and while the specific switching order is associated with a plurality of language sets, change a language character set matched to the second handwriting input region from the second language character set to the first language character set and change the range of the character recognition according to the change of the language character set matched to the second handwriting input region,
wherein the first and second language character sets are different from each other according to attributes of the first and second input fields, and
wherein the first and second language character sets are mutually exclusive character sets,
wherein the controller is configured to automatically select an input field having first priority between the first and second input fields and automatically display the data input region corresponding to the selected input field.
0. 1. A method for data input to a portable information terminal, comprising:
displaying an input window including a plurality of input fields when data input is requested;
identifying which character set of a plurality of different character sets is suitable to a selected input field on the displayed input window; and
providing a data input screen including the identified character set in response to designation of the selected input field, wherein each of the plurality of character sets has a plurality of mutually exclusive characters, wherein more than two different character sets are directly provided to the user individually corresponding to each one of more than two input fields in the displayed input window, wherein a determination of said individually corresponding character sets to said each one of the more than two input fields in the displayed input window is modified by said user, and wherein upon each subsequent selection of each input field said user modified individually corresponding character set is provided.
0. 2. The method of
0. 3. The method of
0. 4. The method of
0. 5. The method of
0. 6. The method of
0. 7. The method of
separately storing a plurality of different written-style language character sets, wherein the plurality of different character sets include the plurality of different written-style language character sets;
entering data in the selected input field on the displayed input window, the data including a plurality of written-style strokes forming each character;
limiting a character recognition search to only one of the separately stored written-style language character sets corresponding to the suitable character set when the suitable character set is a written-style language character set; and
displaying an identified character corresponding the written-style character on the input display window as a result of the search.
0. 8. A method for data input to a portable in formation terminal, comprising:
separately storing a plurality of different written-style language character sets;
displaying an input window including a plurality of input fields when data input is requested;
identifying which character set among a plurality of different character sets is suitable to a selected input field on the displayed input window
wherein the plurality of different character sets include the plurality of different written-style language character sets;
wherein each of the plurality of written-style language character sets has a plurality of mutually exclusive characters;
entering data in the selected input field on the displayed input window, the data including a plurality of written-style strokes forming each character;
limiting a character recognition search to only one of the separately stored written-style language character sets corresponding to the suitable character set when the suitable character set is a written-style language character set;
displaying an identified character corresponding to the written-style character on the input display window as a result of the search; and
wherein corresponding selected input fields are configured to be selectively assigned each of two or more of the different character sets, wherein a current one of the selectively assigned plurality of different character sets is directly displayed for the selected input field, wherein said current assigned character set for said selected input field is modified by a user, and wherein said user modified current character set is displayed and used for data entry upon each subsequent selection of the selected input field.
0. 9. The method of
identifying which character is entered through comparing said entered character with all characters included in the limited search target; and
storing the identified character as information of the selected input field.
0. 10. The method of
selecting the input field among the plurality of input fields; and
providing a data input screen including the identified character set to a user directly in response to selection of the selected input field.
0. 11. The method of
storing the written-style strokes each with a prescribed code, wherein said each written-style stroke is determined by a comparison made to a written-style character database being the identified handwriting character set.
0. 12. The method of
0. 13. An apparatus of data input to a portable information terminal, comprising:
display means for displaying an input window including a plurality of selectable input fields when data input is requested;
storing means for storing information on which character set among a plurality of character sets is suitable to each of the input fields;
wherein each of the plurality of character sets has a plurality of mutually exclusive characters; and
controller means for identifying a suitable character set for a selected input field on the displayed input window based on the information stored in said storing means, and displaying a data input screen including the identified character set in said display means, wherein said data input screen has a single key defined to sequence among more than two character sets, wherein said controller means sequentially provides a next character set as a current character set in the data input screen according to a predefined sequence whenever said single key is selected to implement a user changed correspondence between said selected input field and said suitable character set, and wherein said user changed correspondence is reflected in later entries in said selected input field.
0. 14. The apparatus of
0. 15. The apparatus of
0. 16. The apparatus of
0. 17. An apparatus of data input to a portable information terminal, comprising:
a display that displays an input window including a plurality of input fields when data input is requested;
a storing device that stores information on which character set among a plurality of different character sets is suitable to each of the input fields; and
a controller that identifies which character is entered in a selected input field through searching and comparing an entered character with characters stored in said storing device, and stores the identified character as a piece of information of an input field selected in the input window, wherein each of the plurality of character sets has a plurality of mutually exclusive characters, wherein corresponding selected input fields are configured to be selectively assigned each of two or more of the different character sets, wherein a current one of the selectively assigned plurality of different character sets is directly displayed for the selected input field, wherein said current assigned character set for said selected input field is modified by a user, and wherein upon each subsequent selection of the selected input field said user modified current character set is displayed and used for data entry.
0. 18. The apparatus of
0. 19. The apparatus of
0. 20. The apparatus of
0. 21. The apparatus of
0. 23. The portable information terminal of claim 22, wherein each of the first language character set, the second language character set and the numeric character set has a plurality of mutually exclusive characters.
0. 24. The portable information terminal of claim 22, wherein the specific data is contact information, the first input field is a name field, the second input field is an e-mail field, and the third input field is a telephone number field.
0. 25. The portable information terminal of claim 24, wherein the controller is further configured to:
execute a contact database management application;
receive search request for contact information based on input data from a user;
search a contact database for contact information having data that exactly matches the input data from the user; and
display, on the touch screen, a result of the search.
0. 26. The portable information terminal of claim 24, wherein the controller is further configured to:
execute a contact database management application;
receive search request for contact information based on input data from a user;
search a contact database for contact information having data that partially matches the input data from the user; and
display, on the touch screen, a result of the search.
0. 27. The portable information terminal of claim 22, wherein the data input region includes a first switchover soft key, a second switchover soft key, and a third switchover soft key,
wherein in response to selection of the first switchover soft key, the first soft keyboard is displayed on the data input region,
in response to selection of the second switchover soft key, the second soft keyboard is displayed on the data input region,
in response to selection of the third switchover soft key, the third soft keyboard is displayed on the data input region.
0. 29. The portable information terminal of claim 28, wherein each of the first language character set and the second language character set has a plurality of mutually exclusive characters.
0. 30. The portable information terminal of claim 28, wherein the controller is further configured to display the data input region including a handwriting input region matched to a numeric character set, when a touch input is received at the third input field.
0. 31. The portable information terminal of claim 28, wherein the specific data is contact information, the first input field is a name field and the second input field is an e-mail field.
0. 32. The portable information terminal of claim 31, wherein the controller is further configured to:
execute a contact database management application;
receive search request for contact information based on input data from a user;
search a contact database for contact information having data that exactly matches the input data from the user; and
display, on the touch screen, a result of the search.
0. 33. The portable information terminal of claim 31, wherein the controller is further configured to:
execute a contact database management application;
receive search request for contact information based on input data from a user;
search a contact database for contact information having data that partially matches the input data from the user; and
display, on the touch screen, a result of the search.
0. 35. The portable information terminal of claim 34, wherein the first language character set, the second language character set and the numeric character set are mutually exclusive from each other.
0. 36. The portable information terminal of claim 34, wherein the specific data is contact information, the first input field is a name field, the second input field is an e-mail field, and the third input field is a telephone number field.
0. 37. The portable information terminal of claim 36, wherein the controller is further configured to:
execute a contact database management application;
receive search request for contact information based on input data from a user;
search a contact database for contact information having data that exactly matches the input data from the user; and
display, on the touch screen, a result of the search.
0. 38. The portable information terminal of claim 36, wherein the controller is further configured to:
execute a contact database management application;
receive search request for contact information based on input data from a user;
search a contact database for contact information having data that partially matches the input data from the user; and
display, on the touch screen, a result of the search.
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This application is a Continuation Reissue of U.S. application Ser. No. 12/320,373, filed Jan. 23, 2009, which is a Reissue Application of U.S. Pat. No. 7,168,046, which claims priority under 35 U.S.C. § 119 to Korean Application No. 10-2001-022694 filed Apr. 26, 2001, and Korean Application No. 10-2001-026562 filed May 15, 2001, whose entire disclosures are hereby incorporated by reference. More than one reissue application has been filed for the reissue of U.S. Pat. No. 7,168,046. The Reissue Application numbers are Ser. Nos. 12/320,373 and 14/815,476 (the present application), which is a Continuation Application of Ser. No. 12/320,373.
1. Field of the Invention
The present invention relates to a data input assisting method and apparatus of a portable information terminal, more particularly, to a method and apparatus for providing a suitable soft keyboard of character type data which can be conveniently entered by a user to a portable information terminal, such as a Personal Digital Assistant (PDA).
2. Background of the Related Art
Modern technology development has made a cellular phone and a PCS phone (called ‘mobile’ phone, hereinafter) much smaller, lighter and cheaper. Thus, a mobile phone is very popular and widely utilized.
In these days, various mobile information terminals other than the popular mobile phone are being introduced to the market. Among those mobile information terminals, a PDA stands in the spotlight for consumers.
The PDA, in general, consists of a CPU, which is a core device of a computer, memories, I/O devices, Operating System (O/S), and a variety of application programs running based on the O/S. The I/O devices include a touch pad and a wide Liquid Crystal Display (LCD), which has a touch screen installed as another input device. Major functions of the PDA are personal information recording, storing, searching, and communication.
The PDA provides an embedded-in application program capable of storing personal contact information entered by a user through the input device and capable of searching all entries of personal contact information for a particular contact information. A contact entry is generally including several fields, such as name, address, position in company, telephone number, e-mail, etc.
A related art user's information input for a contact entry will now be described. When a user requests input of a contact entry, the PDA executes a suitable application program that manages the user's contact information. The application program outputs an input window in which all necessary fields are prepared. Then, the user will sequentially enter the proper information in each field.
If a user, who is a Korean, wants to enter in the name field a Korean name, he or she first needs to activate ‘Korean’ soft keyboard on the touch screen by pressing a special key on the touch pad or on a previous soft keyboard. As a result, the ‘Korean’ soft keyboard is displayed on the touch screen. Then, a user touches proper keys on the ‘Korean’ soft keyboard sequentially with a pen. The characters assigned to the touched keys are entered in the name field. After data are entered completely in the name field, the user wants to enter information in the telephone field, he or she then needs to activate ‘Numeric’ soft keyboard on the touch screen. If a user needs to enter information in the e-mail field, he or she has to activate ‘English’ soft keyboard. After a soft keyboard has changed into a suitable one at the user's request, the user can then enter desired information in the corresponding field.
However, the related art data inputting method must select and display a soft keyboard suitable for character type data entering on the touch screen through user manual selection before the user can enter desired data in the corresponding field as described above. Namely, the ‘Korean’ soft keyboard must be displayed for the fields of name and address, the ‘Numeric’ soft keyboard for the fields of mobile phone, telephone, facsimile, etc., and the ‘English’ soft keyboard for the fields of e-mail. Needless to say that data entering operations for all fields are somewhat tedious and time consuming.
An object of the invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
It is an object of the present invention to provide a data input assisting method and apparatus of a portable information terminal that determines which character set is to be used for a particular field and activates a data entry device such as a soft keyboard of the determined character set to be displayed as an input device. When a user selects the particular field, the input data from the character set will be easily or directly completed.
In order to achieve at least the above objects in whole or in part, and in accordance with the purpose of the present invention, as embodied and broadly described, there is provided a method for data input to a portable information terminal, including displaying an input window including a plurality of input fields when data input is requested, identifying which character set of a plurality of character sets is suitable to a selected input field on the displayed input window, and providing a data input screen including the identified character set in response to designation of the selected input field.
To further achieve at least the above objects in whole or in part, and in accordance with the purpose of the present invention, as embodied and broadly described, there is provided a method for data input to a portable information terminal, including displaying an input window including a plurality of input fields when data input is requested, identifying which character set among a plurality of character sets is suitable to a selected input field on the displayed input window, and limiting a search target to the identified character set among all possible character sets.
To further achieve at least the above objects in whole or in part, and in accordance with the purpose of the present invention, as embodied and broadly described, there is provided an apparatus of data input to a portable information terminal, including a display device for displaying an input window including a plurality of selectable input fields when data input is requested, a storing unit for storing information on which character set among a plurality of character sets is suitable to each of the input fields, and a controller device for identifying a suitable character set for a selected input field on the displayed input window based on the information stored in the storing unit, and displaying a data input screen including the identified character set in the display device.
To further achieve at least the above objects in whole or in part, and in accordance with the purpose of the present invention, as embodied and broadly described, there is provided an apparatus of data input to a portable information terminal, including a display that displays an input window including a plurality of input fields when data input is requested, a storing device that stores information on which character set among a plurality of character sets is suitable to each of the input fields, and a controller that identifies which character is entered in a selected input field through searching and comparing an entered character with characters stored in the storing device, and stores the identified character as a piece of information of an input field selected in the input window.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and advantages of the invention may be realized and attained as particularly pointed out in the appended claims.
The invention will be described in detail with reference to the following drawings in which like reference numerals refer to like elements wherein:
In order that the invention may be fully understood, preferred embodiments thereof will now be described with reference to the accompanying drawings.
The portable information terminal shown in
The pattern information about each character stored in the written-style character DB 41 are preferably acquired from recognizing trial-and-errors of many person's writings to make a reduced or the least pattern matching error.
The touch screen 10 including the touch pad 11 and the displaying unit 12 uses a resistance plate where a pressed point has different resistance or a capacitance plate where an electric charge at a pressed point becomes different. The touch detecting unit 20 calculates xy coordinate values corresponding to user's pressing point on the touch screen 10 based on the change of current or voltage in the thin plate covered on the displaying unit 12. The touch detecting unit also detects the number of strokes in a character by counting how many times a press is applied to the touch screen 10. The xy coordinate values collected while a character is being written and the detected number of strokes is used for identifying which character is handwritten or entered on the touch screen 10 by a user.
The written-style character DB 41 preferably has separate areas for each character set. As shown in
The memory 31 is preferably divided into two areas or zones, one for programs and the other for data as shown in
As shown in
When the Korean soft keyboard has been displayed in the new entry window for contact DB, data are entered one by one into the name field by the user by pressing suitable keys sequentially. For example, if a user wants to enter ‘ in Korean then the following ‘
, and ’
are selected and pressed sequentially on the displayed Korean soft keyboard by a user to form the desired Korean characters.
If a user wants to enter English in the name field instead of Korean, the user presses a prescribed or special key on the touch pad 11 or key combination on the soft keyboard to switch soft keyboard to English (Step S30). When the prescribed key or key combination is used to switch soft keyboard, those keys are preferably pressed simultaneously or sequentially at a very short interval therebetween. When switchover of soft keyboard is requested, the controlling unit 30 can output a soft keyboard that is next in series after the Korean soft keyboard in a predefined switchover order (Step S31), after reading the new character from a corresponding character set (e.g., DB 51 or 52). If the predefined switchover order is ‘Korean’→‘Numeric’→‘English’, then, the English soft keyboard will be outputted by two switchover requests. After the English soft keyboard is displayed, a user can enter English name in the name field through sequential touches on desired keys.
In the meantime, whenever a user touches an arbitrary key of any soft keyboard, the touch detecting unit 20 sends xy coordinate value of the touched point calculated as described above to the controlling unit 30. Then, the controlling unit 30 searches the character set DB 50, 51, or 52, which have a character set suitable to the current name field, for a character code with xy coordinate value closest to the received xy coordinate value to identify which character of the character set has been entered (Step S41). If a character code is found among the character sets, the controlling unit 30 reads font data corresponding to the found character code and outputs it to the displaying unit 12, whereby a user can confirm a character he or she entered. Also, the controlling unit 30 stores the identified character in the name field as a new entry of a contact DB created for the user data DB 60 (Step S42). Preferably, such operations will be conducted repeatedly until next field of the contact DB is selected.
After the current field (e.g., name field) is filled with a desired information (e.g., name), the user selects a next field to enter information. If a user moves the cursor to the second field of ‘cellular’ or ‘mobile’ as shown in
Similar to the above procedures, if a user moves the cursor to the ‘e-mail’ field after completing the ‘mobile’ field, the AP run by the controlling unit 30 confirms that possible character set to the e-mail field is ‘English’ after examining the data zone of the memory 31, and outputs the English soft keyboard composed of English characters as shown in
Owing to the above-described key input assisting method, a user can enter all information in every field of an entry of a contact DB conveniently and in less time without any manual switchover to other suitable soft keyboard for a current input field (Step S50). Further, data search time and processing can be reduced. When each field is complete, the process ends. Otherwise, control returns to enter data for the next input field selected (Step S20).
After many entries of the contact DB are created and stored in the user data DB 60 in accordance with the above described method, a user can request entry search after executing the contact DB managing AP. The AP run by the controlling unit 30 preferably searches the contact DB stored in the user data DB 60 for an entry that has a field with data matched exactly or partially with the entered data in the same field on an input window by a user, and displays all field data found on the entry.
In the preferred embodiments described above, information necessary to each field is entered through touches on keys of a soft keyboard. However, such information may be entered through handwriting on the touch screen 10 or the like instead. While a user writes a character on the touch screen 10, the controlling unit 30 delivers the collection, gathered during user's handwriting, of calculated xy coordinate values and the number of strokes detected by the touch detecting unit 20 to the written-pattern identifying unit 40. Then, the written-pattern identifying unit 40 selects only one set of characters as a search target among all possible character sets, instead of searching all handwritten character sets. Namely, the written-pattern identifying unit 40 preferably selects one handwritten character set, of which character type can be entered as information of a current data field, as a search target. For example, if a current field is ‘name’, the written-pattern identifying unit 40 selects the first separated area as a search target because character type of the name field is assigned to Korean. The identifying unit 40 preferably searches only the first area or a smaller user defined area of the written-style character DB 41 to find stored pattern data with the same number of strokes in a character and most similar to configuration formed by the collection of xy values. Since searching information is relatively small, the time required for identifying a written character and the chance of mismatching the pattern data are extremely low.
As described above preferred embodiments according to the present invention have various advantages. Preferred embodiments of data input assisting method and apparatus in accordance with the present invention ensure fast and convenient data input work with a portable information terminal not capable of providing Korean, English, and Numeric keyboard concurrently in a case that Korean, English, or Numeric data must be selected to match character type of each data field before entering data in that data field.
The foregoing embodiments and advantages are merely exemplary and are not to be construed as limiting the present invention. The present teaching can be readily applied to other types of apparatuses. The description of the present invention is intended to be illustrative, and not to limit the scope of the claims. Many alternatives, modifications, and variations will be apparent to those skilled in the art. In the claims, means-plus-function clauses are intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures.
Lee, Seung Ho, Kang, Yun Gyu, Jung, Byung Hak, Shin, Yong Soo, Pan, Su Young, Kim, Sang Bum
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