Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5129964A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens AGfiledCriticalSiemens and Halske AG
Publication of GB1017790ApublicationCriticalpatent/GB1017790A/en
H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Telephonic Communication Services
(AREA)
Exchange Systems With Centralized Control
(AREA)
Meter Arrangements
(AREA)
Abstract
1,017,790. Automatic exchange systems. SIEMENS & HALSKE A.G. Dec. 15, 1964 [Dec. 16, 1963], No. 51299/64. Heading H4K. In a network such as the German national trunk dialling network in which exchanges are arranged in a top rank A, one or more intermediate ranks B and a bottom rank C, those in the ranks B, C being grouped, in order to assist routing, all the exchanges in the ranks B, C are connected to two exchanges of the next higher rank.
GB5129964A1963-12-161964-12-15Improvements in or relating to telecommunications systems
ExpiredGB1017790A
(en)
Circuit arrangement for the selection of connection paths in multi-level switching matrices in telecommunication systems, in particular telephone systems
Ribbon cable for multiple wiring of components of a communication system that are arranged one above the other and carry voice cores, in particular of switching matrices of telephone exchanges
A circuit provision for telecommunication switching installations, especially of telephone installations with selective call with indirectly adjustable connecting organs. (Machine-translation by Google Translate, not legally binding)