Passive infra-red sensor

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Description

FIG. 1 is a side elevational view of a passive infra-red sensor, showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is an elevational view of the side opposite that shown in FIG. 1;

FIG. 6 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D261740 November 10, 1981 Lederer
D264319 May 11, 1982 Guscott et al.
D275657 September 25, 1984 Kahl, Jr.
D275658 September 25, 1984 Kahl, Jr. et al.
D286383 October 28, 1986 Kotticki et al.
4250498 February 10, 1981 Walter
4275303 June 23, 1981 Mudge
4447726 May 8, 1984 Mudge et al.
4484075 November 20, 1984 Kahl, Jr. et al.
Patent History
Patent number: D296531
Type: Grant
Filed: Mar 11, 1985
Date of Patent: Jul 5, 1988
Inventors: Yaacov Kotlicki (Ramat Gan), Moshe Kotlicki (Tel Aviv)
Primary Examiner: Catherine E. Kemper
Law Firm: Browdy and Neimark
Application Number: 6/710,539
Classifications
Current U.S. Class: D10/106