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3729588
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Information
Patent Grant
3729588
References
Source
Patent Number
3,729,588
Date Filed
Not available
Date Issued
Tuesday, April 24, 1973
51 years ago
CPC
H03G3/12 - incorporating negative feedback
H01L29/00 - Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier
H03F1/302 - in bipolar transistor amplifiers
H03F1/34 - Negative-feedback-circuit arrangements with or without positive feedback
H03F3/183 - with semiconductor devices only
H03G3/10 - having semiconductor devices
H04R25/00 - Deaf-aid sets providing an auditory perception; Electric tinnitus maskers providing an auditory perception
H04R2225/33 - Aspects relating to adaptation of the battery voltage
US Classifications
381 - Electrical audio signal processing systems and devices
330 - Amplifiers
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