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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Gotze; Gerd-Wolfgang
Address:
Berlin, DE
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
4689820 Hearing aid responsive to signals inside and outside of the audio frequency range August 25, 1987
A hearing aid having a microphone (10), a microcomputer (12) for digital signal processing of digitized microphone signals and an electroacoustic converter (14) for acoustic reproduction of the processed digitized signals, is equipped with at least one further sensor (16, 18) responsive
4476724 Audiometer October 16, 1984
An audiometer which can be battery operated, is reliable and economical in current consumption has a digital control unit (10) which controls a LCD in matric form (11, 26). The digital control unit, in its simplest form, includes a data input stage (12) having two inputs (16, 18) receivi
4471171 Digital hearing aid and method September 11, 1984
To match the operation of a digital hearing aid directly to user requirements, and to reprogram the hearing aid as the hearing aid and/or user response characteristics change, a digital data processing element (12) processing digitized audio signals is connected to a programmable mem
4394627 Audiometer with photo sensitive, digitally tunable low distortion oscillator July 19, 1983
To provide for tuning of an oscillator circuit, a plurality of resistors are selectively connectable in the circuit. To provide for reproducible, accurate oscillation frequency in accordance with switching of a respective resistor in dependence on a digital input signal, electronic s










 
 
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