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The ornamental design for a variable optical attenuator, as shown.
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FIG. 1 is a perspective view of a variable optical attenuator showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Wu, Kun-Tsan, Chen, Chien Cheng
Patent | Priority | Assignee | Title |
Patent | Priority | Assignee | Title |
4736100, | Jul 31 1986 | AMP Incorporated | Optical loop attenuator simulating an optical system |
4952798, | Jan 03 1990 | AMP Incorporated | Optical simulator with loop-back attenuator and optical thin film |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 01 2001 | WU, KUN-TSAN | HON HAI PRECISION IND CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012332 | /0020 | |
Nov 01 2001 | CHEN, CHIEN CHENG | HON HAI PRECISION IND CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012332 | /0020 | |
Nov 13 2001 | Hon Hai Precision Ind. Co., Ltd. | (assignment on the face of the patent) | / |
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