Passive infrared intrusion detector unit
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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
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