Electro-control system for data transmission
Patent 4144522 Issued on March 13, 1979. Estimated Expiration Date: 
February 24, 1997. 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.
February 24, 1997. 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 2805278 3456239 3475723 3676846 3754211 Data telecommunication system Multiple block binary synchronous duplex communications system and its method of operation Patent #: 3979719 InventorsAssigneeApplicationNo. 05/771445 filed on 02/24/1977US Classes:714/748Request for retransmissionExaminersPrimary: Atkinson, Charles E.Attorney, Agent or FirmInternational ClassesH04L 1/16 (20060101)H04L 1/18 (20060101) Foreign Application Priority Data1976-02-25 JPAbstractAn error-control system for a continuous ARQ system, wherein, when a transmitter detects a dummy signal different from a negative acknowledgment signal caused by a channel noise appearing on a transmission channel, the transmitter supplies a receiver with a block signal comprising a designating number of a given block, a block data thereof and a check code formed by reversing a prescribed error detection code, thereby controlling the occurrence of an error in data transmission between the transmitting and receiving sides. | |
