Ear microphone
May 13, 2003. 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 3448224 3602330 3688863 Acoustical seal Ambient noise shielded ear transceiver Hearing protector Piezoelectric bone conductive in ear voice sounds transmitting and receiving apparatus Audiometric headset Automatic transmission or recording or transmission and reception control system Automatic transmission and reception control system InventorApplicationNo. 06/428017 filed on 09/29/1982US Classes:379/430, Body supported (e.g., headgear)381/151, Body contact wave transfer (e.g., bone conduction earphone, larynx microphone)381/173, Piezoelectric or ferroelectric381/380Ear insert or bone conductionExaminersPrimary: Rubinson, Gene Z.Assistant: Byrd, Danita R. Attorney, Agent or FirmInternational ClassesH04R 1/00 (20060101)H04R 1/46 (20060101) H04R 19/01 (20060101) H04R 17/02 (20060101) H04R 19/00 (20060101) H04R 25/00 (20060101) Foreign Application Priority Data1982-04-27 JPAbstractAn ear microphone comprising a pickup piece having a configuration which facilitates insertion thereof into a human external auditory canal, a vibration/electrical signal converter element installed within the pickup piece, a resilient member attached to the pickup piece, and a support body to support the pickup piece by way of the resilient member. The pickup piece and support body are of a rigid material having a large mass whereas the resilient member has a large resiliency. The converter element has a lead wire extending therefrom through the pickup piece, the resilient member, and the support body for signal processing outside the ear microphone.Other References
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