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Title:
Indicator circuit
United States Patent 2876387


Inventors:
Henry, Doeleman
Application Number:
US63859457A
Publication Date:
03/03/1959
Filing Date:
02/06/1957
Export Citation:
Click for automatic bibliography generation
Assignee:
ELDEMA CORP
Primary Class:
315/171
Other Classes:
315/200A, 315/200R, 315/209R, 315/291, 315/362, 327/478, 327/498
International Classes:
H03K17/18
View Patent Images:
Download PDF 2876387  
US Patent References:
2772410Transistor indicator circuit1956-11-27
1935966Amplifier1933-11-21
1906246Apparatus embodying electric discharge lamps1933-05-02
1899021Glow lamp circuit1933-02-28
1826754Method of and apparatus for making photophonographic records1931-10-13




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