Passive infrared intrusion detector unit

- Cerberus AG
Description

FIG. 1 is a perspective view of a passive infrared intrusion detector unit showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a side elevational view thereof; and

FIG. 5 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D240410 February 1976 Fujiwara
D267038 November 23, 1982 Koshino
Patent History
Patent number: D277652
Type: Grant
Filed: Aug 16, 1982
Date of Patent: Feb 19, 1985
Assignee: Cerberus AG (Mannedorf)
Inventors: William G. Kahl, Jr. (Brookfield, CT), Ronald G. Avery (Bethel, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Law Firm: Brumbaugh, Graves, Donohue & Raymond
Application Number: 6/407,930
Classifications
Current U.S. Class: D10/106