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Extra wide angle fresnel lens array for infrared motion detector |
| D315808 |
Extra wide angle fresnel lens array for infrared motion detector
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| Patent Drawings: | |
| Inventor: |
Claytor, et al. |
| Date Issued: |
March 26, 1991 |
| Application: |
07/317,781 |
| Filed: |
February 27, 1989 |
| Inventors: |
Claytor; Richard N. (Arlington, TX)
Torti; Russell G. (Fort Worth, TX)
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| Assignee: |
Fresnel Technologies, Inc. (Fort Worth, TX) |
| Primary Examiner: |
Lucas; Susan J. |
| Assistant Examiner: |
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| Attorney Or Agent: |
Bradley; James E. |
| U.S. Class: |
D10/121; D26/122 |
| Field Of Search: |
D10/121; D26/118; D26/120; D26/121; D26/122; D26/123; D26/128; D26/129; D26/130; D26/131; D26/132; D26/133; D26/134; D26/135; D26/136; D26/137; 362/319; 362/326; 362/327; 362/328; 362/329; 362/330; 362/331; 362/332; 362/333; 362/334; 362/335; 362/336; 362/337; 362/338; 362/339; 362/340; 350/432; 350/433; 350/434; 350/435; 350/436; 350/452; 350/167; 350/162.11; 350/162.18 |
| International Class: |
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| U.S Patent Documents: |
1970358; 3463118; 3708222; 3883733; 4772094 |
| Foreign Patent Documents: |
968412; 2173013A |
| Other References: |
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| Abstract: |
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| Claim: |
The ornamental design for an extra wide angle fresnel lens array for infrared motion detector, as shown and described. |
| Description: |
The single FIGURE is a front elevational view of an extra wide angle fresnel lens array for infrared motion detector showing our 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.
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