Switching system with separate supervisory links
February 6, 2004. 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 ReferencesTDM switching network for coded messages Program controlled communication system having individually rearrangeable line selection Circuit arrangement for telecommunications especially telephone installations that switch through digitally by time division Time division switching system Distributed digital exchange with improved switching system and input processor Digital time-division switch Patent #: 4512015 InventorsAssigneeApplicationNo. 06/577500 filed on 02/06/1984US Classes:370/385, Having a separate signaling network370/362, Bus switch370/369, Having time and space switches370/381, Having details of control storage arrangement370/458Using time slotsExaminersPrimary: Olms, Douglas W.Attorney, Agent or FirmInternational ClassH04Q 11/04 (20060101)Foreign Application Priority Data1983-02-18 CAAbstractA digital switching system which is comprised of a circuit switching network under control of a main system control for carrying and switching transmission paths for signals transmitted between peripherals (i.e. lines, trunks, service circuits, etc.), and a separate message switching network under control of the main system control for carrying supervisory and control signals related to the status of the peripherals between peripheral unit management circuit controller(s) and the main system control. | |
