Back to results
US 4,845,751 AGranted
Wireless stereo headphone
OwnerBrian H. Schwabinventor
Life of this patent
Estimating the term…
Abstract
A wireless stereo headphone is provided that permits a user to listen to a stereo program being received by a conventional receiver/amplifier without the use of interconnecting wires. A transmitter contained within the headphones allows the user to remotely activate the SCAN and SEEK features of the receiver so that not only can he monitor a program and vary its volume, he can also select the program material.
Claims2
A wireless stereo headphone comprising:
- (a) a left and a right earphone;
- (b) a stereo headphone receiver contained in said headphone wherein the left and right outputs of said stereo receiver are connected to said left and right earphones respectively;
- (c) a headphone antenna connected to said stereo headphone receiver;
- (d) a plug-in accessory stereo transmitter;
- an accessory antenna for said accessory transmitter;
- a housing for said accessory transmitter;
- and a stereo plug, wherein said plug protrudes from said housing, and is positioned in such a way as to allow said plug to be inserted into the headphone jack of conventional stereo receiver/amplifier having SEEK and SCAN functions;
- wherein the audio output of said conventional receiver/amplifier is transmitted from said accessory stereo transmitter to said stereo headphone receiver so that a user can listen to program material without being tied by a cable to said conventional receiver/amplifier;
- and
- (e) a headphone transmitter contained in said headphone, a momentary contact SEEK switch, and a momentary contact SCAN switch;
- wherein the depression of either of said switches causes a uniquely encoded signal to be transmitted via said headphone antenna;
- and means for decoding said encoded signal such that SEEK and SCAN functions in said conventional receiver/amplifier may be remotely controlled when the respective said momentary contact switches are depressed.
9 more elements
Dependencies are inferred from the claim text.