Multiple-channel voice input/output system
Patent 4385359 Issued on May 24, 1983. Estimated Expiration Date: 
March 11, 2001. 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.
March 11, 2001. 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 ReferencesMarker for telecommunication system Digitally-controlled telephone answering switching system Patent #: 4302632 InventorsAssigneeApplicationNo. 06/242734 filed on 03/11/1981US Classes:704/231, Recognition379/88.01, Voice activation or recognition379/88.04, Voice controlled message management704/258SynthesisExaminersPrimary: Kemeny, Emanuel S.Attorney, Agent or FirmInternational ClassesH04M 3/487 (20060101)H04M 3/493 (20060101) G06F 3/16 (20060101) Foreign Application Priority Data1980-03-18 JPAbstractA multiple channel voice I/O system including a control device and switching mechanism for enabling the system to handle a greater number of user channels than there are recognition inputs. The control unit responds to two types of commands from a host system, the first type indicating a voice output operation and the second type indicating a voice input/recognition operation. During voice output for any user channel, that channel is not connected to any input terminal of the recognition unit. During voice input/recognition operation, the control unit searches for an unoccupied input terminal and connects it to a user channel.Other References
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