Long range fresnel lens array for infrared motion detector

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Information

Patent Grant
D331471

References
Source

Patent Number
D331,471
Date Filed
Thursday, January 24, 1991
33 years ago
Date Issued
Tuesday, December 1, 1992
31 years ago

Inventors
- Richard N. Claytor
Original Assignees
- Fresnel Technologies, Inc.
Examiners
- Lucas; Susan J.
Agents
- Bradley; James E.

US Classifications
- D26 - Lighting
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D26 120
- D26 122
- D10 114
- D10 121
- 362 326
- 362 329-340
- 359 742
- 359 743
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a long range fresnel lens array for infrared motion detector, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
D315422	Claytor et al.	Oct 1988
D315423	Claytor et al.	Feb 1989
D315424	Claytor	Feb 1989
D315425	Claytor et al.	Feb 1989
D315806	Claytor et al.	Feb 1989
D315807	Claytor et al.	Feb 1989
D315808	Claytor et al.	Feb 1989
D315966	Claytor et al.	Nov 1988

Foreign Referenced Citations (2)

Number	Date	Country
968412	Feb 1958	DEX
2173013A	Oct 1986	GBX