Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1977-05-02
1979-02-13
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340686, G08B 1308
Patent
active
041398459
ABSTRACT:
A portable flashlight burglar alarm apparatus has a flashlight with an annunciator attached thereto and powered by the flashlight batteries. The flashlight may be placed adjacent a door and the burglar alarm circuit enabled so that opening the door knocks the flashlight over to actuate the annunciator.
REFERENCES:
patent: 3171109 (1965-02-01), Appel
patent: 3248723 (1966-04-01), Miethe
patent: 3345627 (1967-10-01), Herst et al.
patent: 3432843 (1969-03-01), Spring
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