GB757025A - Improvements in automatic telephone exchange systems - Google Patents

Improvements in automatic telephone exchange systems

Info

Publication number
GB757025A
GB757025A GB1647353A GB1647353A GB757025A GB 757025 A GB757025 A GB 757025A GB 1647353 A GB1647353 A GB 1647353A GB 1647353 A GB1647353 A GB 1647353A GB 757025 A GB757025 A GB 757025A
Authority
GB
United Kingdom
Prior art keywords
finger
energize
contacts
magnets
magnet
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
GB1647353A
Other languages
English (en)
Inventor
Benjamin Bertie Johnson
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.)
Telephone Manufacturing Co Ltd
Original Assignee
Telephone Manufacturing Co Ltd
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
Priority to BE529644D priority Critical patent/BE529644A/xx
Application filed by Telephone Manufacturing Co Ltd filed Critical Telephone Manufacturing Co Ltd
Priority to GB1647353A priority patent/GB757025A/en
Publication of GB757025A publication Critical patent/GB757025A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB1647353A 1953-06-15 1953-06-15 Improvements in automatic telephone exchange systems Expired GB757025A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE529644D BE529644A (enrdf_load_stackoverflow) 1953-06-15
GB1647353A GB757025A (en) 1953-06-15 1953-06-15 Improvements in automatic telephone exchange systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1647353A GB757025A (en) 1953-06-15 1953-06-15 Improvements in automatic telephone exchange systems

Publications (1)

Publication Number Publication Date
GB757025A true GB757025A (en) 1956-09-12

Family

ID=10077973

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1647353A Expired GB757025A (en) 1953-06-15 1953-06-15 Improvements in automatic telephone exchange systems

Country Status (2)

Country Link
BE (1) BE529644A (enrdf_load_stackoverflow)
GB (1) GB757025A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904634A (en) * 1954-04-14 1959-09-15 North Electric Co Automatic telephone system
US3008010A (en) * 1954-12-22 1961-11-07 Int Standard Electric Corp Telephone systems
US3127480A (en) * 1960-09-09 1964-03-31 Ericsson Telefon Ab L M Automatic telephone system
US3257513A (en) * 1963-01-22 1966-06-21 Bell Telephone Labor Inc Communications switching network
US3272924A (en) * 1960-07-18 1966-09-13 Ass Elect Ind Automatic telecommunication switching systems
US3542970A (en) * 1967-04-28 1970-11-24 Itt Crossbar switching system with relatively uniform growth characteristics

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904634A (en) * 1954-04-14 1959-09-15 North Electric Co Automatic telephone system
US3008010A (en) * 1954-12-22 1961-11-07 Int Standard Electric Corp Telephone systems
US3272924A (en) * 1960-07-18 1966-09-13 Ass Elect Ind Automatic telecommunication switching systems
US3127480A (en) * 1960-09-09 1964-03-31 Ericsson Telefon Ab L M Automatic telephone system
US3257513A (en) * 1963-01-22 1966-06-21 Bell Telephone Labor Inc Communications switching network
US3542970A (en) * 1967-04-28 1970-11-24 Itt Crossbar switching system with relatively uniform growth characteristics

Also Published As

Publication number Publication date
BE529644A (enrdf_load_stackoverflow)

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