Hand-held tone generator for equalizing binaural hearing aids
First Claim
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1. A tone generator comprising:
- a. An elongated housing;
b. A hood supported upon an end of said housing, including a speaker aperture;
c. A tone generator circuit supported within the hood including;
i. a socket adapted for connection to a source of electrical power;
ii. a plurality of operational amplifiers whose balance is maintained by resistor and capacitor elements, andiii. a speaker fitted within the speaker aperture;
d. the source of electrical power supported within said housing and connected to said tone generator circuit via said socket, ande. an on/off switch in the form of a resilient clip supported on the outside of said housing and interconnecting said source of electrical power and said socket.
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Accused Products
Abstract
Audible tone generators, particularly a hand-held tone generator for generating an audible tone as a test for equalizing binaural hearing aids. The circuit is characterized by its "fountain pen" size, as well as its extreme simplicity and reliability.
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Citations
5 Claims
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1. A tone generator comprising:
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a. An elongated housing; b. A hood supported upon an end of said housing, including a speaker aperture; c. A tone generator circuit supported within the hood including; i. a socket adapted for connection to a source of electrical power; ii. a plurality of operational amplifiers whose balance is maintained by resistor and capacitor elements, and iii. a speaker fitted within the speaker aperture; d. the source of electrical power supported within said housing and connected to said tone generator circuit via said socket, and e. an on/off switch in the form of a resilient clip supported on the outside of said housing and interconnecting said source of electrical power and said socket. - View Dependent Claims (2, 3, 4, 5)
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Specification