System for automatic control of devices, apparata and peripheral units for signal switching and processing
Patent 4932024 Issued on June 5, 1990. Estimated Expiration Date: 
February 17, 2008. 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 17, 2008. 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 3924077 Muliple highway time division multiplexed PABX communication system PCM Telecommunications system for voice and data Dual bus communication system Method for operating a packet bus for transmission of asynchronous and pseudo-synchronous signals Patent #: 4586175 InventorsAssigneeApplicationNo. 156853 filed on 02/17/1988US Classes:370/458Using time slotsExaminersPrimary: Orsino, Joseph A.Assistant: Scutch, III, Frank M. Attorney, Agent or FirmForeign Patent References
International ClassH04J 003/02Foreign Application Priority Data1987-02-27 ITAbstractA system for automatic control of devices, apparata and peripheral units for signal switching and processing, comprising a single central control unit for controlling a plurality of terminals and at least one internal digital line interposed between the central control unit and the terminals and defining a time sharing transmissive channel, divided into a plurality of time slots, with each terminal being fixedly associated to at least one preset time intervals. | |
