GB759685A - Improvements in and relating to coding devices for use in automatic telephone exchanges - Google Patents

Improvements in and relating to coding devices for use in automatic telephone exchanges

Info

Publication number
GB759685A
GB759685A GB2334450A GB2334450A GB759685A GB 759685 A GB759685 A GB 759685A GB 2334450 A GB2334450 A GB 2334450A GB 2334450 A GB2334450 A GB 2334450A GB 759685 A GB759685 A GB 759685A
Authority
GB
United Kingdom
Prior art keywords
digital information
pulses
relating
code signals
automatic telephone
Prior art date
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
GB2334450A
Inventor
Alexander Albert Chubb
Ronald Mawson
Maurice Moiese Levy
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB2334450A priority Critical patent/GB759685A/en
Priority to DEG6971A priority patent/DE969248C/en
Publication of GB759685A publication Critical patent/GB759685A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

759,685. Automatic exchange systems. GENERAL ELECTRIC CO., Ltd. Aug. 31, 1951 [Sept. 22, 1950], No. 23344/50. Drawings to Specification. Class 40 (4). Dialled digits are registered on a succession of switches whose bank terminals are fed by different code signals and the outputs from the wipers are fed together with other non-digital information to an output terminal. The code signals may take the form of pulses, a different pulse position being allocated for each digit and each digital position. The non-digital information, which may be the identity of a communication channel through the exchange may be impressed on the output either by gating the digital information only during prescribed periods indicative of the non- digital information ; or by the provision of further pulses occurring after the pulses denoting the digital information. The description is substantially identical with that referring to Figs. 3 and 17 of Specification 759,682. Specification 759,684 also is referred to.
GB2334450A 1950-09-22 1950-09-22 Improvements in and relating to coding devices for use in automatic telephone exchanges Expired GB759685A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2334450A GB759685A (en) 1950-09-22 1950-09-22 Improvements in and relating to coding devices for use in automatic telephone exchanges
DEG6971A DE969248C (en) 1950-09-22 1951-09-15 Circuit arrangement for converting a group of series of dialing currents into control signals and identifying a connection channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2334450A GB759685A (en) 1950-09-22 1950-09-22 Improvements in and relating to coding devices for use in automatic telephone exchanges

Publications (1)

Publication Number Publication Date
GB759685A true GB759685A (en) 1956-10-24

Family

ID=10194120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2334450A Expired GB759685A (en) 1950-09-22 1950-09-22 Improvements in and relating to coding devices for use in automatic telephone exchanges

Country Status (2)

Country Link
DE (1) DE969248C (en)
GB (1) GB759685A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158126B (en) * 1958-11-08 1963-11-28 Josef Dirr Coordinate switch for digit storage for telecommunications, especially telephone switching systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB596670A (en) * 1945-04-18 1948-01-08 Samuel Mellor Taylor Improvements in or relating to thermionic valve circuits
DE452242C (en) * 1925-03-17 1927-11-11 Karl Hersen Circuit arrangement for memory transmitters in telephone systems
DE478923C (en) * 1926-02-10 1929-07-13 Siemens & Halske Akt Ges Circuit arrangement for telephone systems with dialer operation
CH255842A (en) * 1941-07-11 1948-07-15 Standard Telephon & Radio Ag Telecommunication system.

Also Published As

Publication number Publication date
DE969248C (en) 1958-05-14

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