Noise generator and transmitter
Patent 4034741 Issued on July 12, 1977. Estimated Expiration Date: 
July 12, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 12, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2304095 3213851 3219028 3404235 3668561 3712292 3718987 3863136 InventorsAssigneeApplicationNo. 05/658596 filed on 02/17/1976US Classes:600/28, Audio (e.g., heartbeat, "white noise", etc.)327/100, SIGNAL CONVERTING, SHAPING, OR GENERATING331/78ELECTRICAL NOISE OR RANDOM WAVE GENERATORExaminersPrimary: Kamm, William E.Attorney, Agent or FirmInternational ClassA61M 21/00 (20060101)AbstractAn analgesic noise generator employs a circuit that can be switched to provide a variable waveform from an active noise source out of an integrated circuit amplifier. | |
