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USD315805S - Horizontal fan fresnel lens array for infrared motion detector - Google Patents

Horizontal fan fresnel lens array for infrared motion detector Download PDF

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Publication number
USD315805S
USD315805S US07316432 US31643289F USD315805S US D315805 S USD315805 S US D315805S US 07316432 US07316432 US 07316432 US 31643289 F US31643289 F US 31643289F US D315805 S USD315805 S US D315805S
Authority
US
Grant status
Grant
Patent type
Design
Prior art keywords
array
lens
detector
horizontal
fresnel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07316432
Inventor
Richard N. Claytor
Russell G. Torti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fresnel Tech Inc
Original Assignee
Fresnel Tech Inc
Filing date
Publication date
Grant date

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Description

The single FIGURE is a front elevational view of a horizontal fan 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.

Claims (1)

  1. The ornamental design for a horizontal fan fresnel lens array for infrared motion detector, as shown and described.
US07316432 1989-02-27 Horizontal fan fresnel lens array for infrared motion detector Expired - Lifetime USD315805S (en)

Publications (1)

Publication Number Publication Date
USD315805S true USD315805S (en) 1991-03-26

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