Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUS3317675 A
Publication typeGrant
Publication dateMay 2, 1967
Filing dateOct 24, 1960
Priority dateOct 26, 1959
Publication numberUS 3317675 A, US 3317675A, US-A-3317675, US3317675 A, US3317675A
InventorsBentinck Speed Richard Francis, Dargie Martin Alfred, Desmond Simmons Brian, Devenish Allum Robin, Edmund Mann Victor, Frank Harris Lionel Roy, George Knight Ronald, Harry Bray Frederick, Richard Peddle Edward Arthur, Sholto Douglas William, William Ward Peter
Original AssigneeAss Elect Ind, Automatic Telephone & Elect, Ericsson Telephones Ltd, Gen Electric Co Ltd, Standard Telephones Cables Ltd
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Automatic telecommunication systems
US 3317675 A
Abstract  available in
Description  available in
Claims  available in
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2457046 *Jul 15, 1942Dec 21, 1948Automatic Elect LabTelephone signaling apparatus
US2709723 *Nov 12, 1953May 31, 1955Westinghouse Air Brake CoEncased microphones
US2918533 *Dec 19, 1956Dec 22, 1959IttRegister-translator crossbar telephone system
US2935569 *Sep 26, 1957May 3, 1960Bell Telephone Labor IncTime assignment speech interpolation system
US2957946 *Sep 23, 1958Oct 25, 1960Bell Telephone Labor IncSpeech interpolation system
US2984703 *May 19, 1954May 16, 1961International Standard Electric Companyhartley
US2994064 *Apr 11, 1955Jul 25, 1961Post OfficeInformation transmitting circuits
US2998493 *Aug 17, 1959Aug 29, 1961IttOffice translator arrangement for switching systems
US3001021 *Mar 18, 1954Sep 19, 1961Int Standard Electric CorpElectrical information storage arrangements
US3011029 *Mar 25, 1954Nov 28, 1961Bell Telephone Labor IncMagnetic drum translator for automatic toll switching center
US3046348 *Oct 12, 1959Jul 24, 1962Automatic Elect LabMemory for use in electronic telephone system
US3070665 *Sep 30, 1959Dec 25, 1962Automatic Elect LabElectronic communication system and counting circuits therefor
US3087022 *May 21, 1959Apr 23, 1963Gen Dynamics CorpAutomatic communication system
US3112371 *May 21, 1959Nov 26, 1963Gen Dynamics CorpAutomatic communication system
US3112372 *Oct 3, 1960Nov 26, 1963Bell Telephone Labor IncTelephone marker translating system
US3223785 *Dec 30, 1959Dec 14, 1965Bell Telephone Labor IncElectronic telephone switching system
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3983340 *Jan 27, 1975Sep 28, 1976Lynch Communication Systems, Inc.Automatic span line switch
Classifications
U.S. Classification370/381, 379/273, 379/22, 379/290, 379/244, 379/201.1, 379/32.4, 370/384
International ClassificationH04Q11/04
Cooperative ClassificationH04Q11/04
European ClassificationH04Q11/04