Patent
   D340312
Priority
Jan 24 1991
Filed
Jan 24 1991
Issued
Oct 12 1993
Expiry
Oct 12 2007

TERM.DISCL.
Assg.orig
Entity
unknown
11
9
n/a
The ornamental design for a wide angle fresnel lens array for infrared motion detector, as shown and described.

The single FIGURE is a front elevational view of a wide angle fresnel lens array for infrared motion detector showing my new design, the lens array being a flat, rectangular, thin sheet having a front surface with grooves thereon and a plain, smooth, rear surface with no ornamentation.

Claytor, Richard N.

Patent Priority Assignee Title
6211522, Jan 04 1998 Tyco Fire & Security GmbH Passive infra-red intrusion sensor
9188487, Nov 16 2011 Tyco Fire & Security GmbH Motion detection systems and methodologies
D569542, Jan 20 2006 Toshiba Lighting & Technology Corporation Lens for light
D569543, Jan 20 2006 Toshiba Lighting & Technology Corporation Lens for light
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Patent Priority Assignee Title
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3883733,
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D315422, Oct 11 1988 Fresnel Technologies, Inc. Lens array for passive infrared motion detector systems or the like
D315966, Nov 07 1988 Fresnel Technologies, Inc. Wide angle fresnel lens array for infrared motion detector system
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 23 1991CLAYTOR, RICHARD N FRESNEL TECHNOLOGIES, INC , 101 WEST MORNINGSIDE DRIVE, FORT WORTH, TX 76110 A CORP OF TXASSIGNMENT OF ASSIGNORS INTEREST 0056700633 pdf
Jan 24 1991Fresnel Technologies, Inc.(assignment on the face of the patent)
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