GB504501A - Printing telegraph automatic exchange system - Google Patents

Printing telegraph automatic exchange system

Info

Publication number
GB504501A
GB504501A GB13945/38A GB1394538A GB504501A GB 504501 A GB504501 A GB 504501A GB 13945/38 A GB13945/38 A GB 13945/38A GB 1394538 A GB1394538 A GB 1394538A GB 504501 A GB504501 A GB 504501A
Authority
GB
United Kingdom
Prior art keywords
relay
distributers
relays
line
broker
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
GB13945/38A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 US144273A priority Critical patent/US2132684A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to GB13945/38A priority patent/GB504501A/en
Priority to FR838203D priority patent/FR838203A/fr
Priority to BE428199D priority patent/BE428199A/xx
Publication of GB504501A publication Critical patent/GB504501A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Relay Circuits (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB13945/38A 1937-05-22 1938-05-10 Printing telegraph automatic exchange system Expired GB504501A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US144273A US2132684A (en) 1937-05-22 1937-05-22 Printing telegraph automatic exchange system
GB13945/38A GB504501A (en) 1937-05-22 1938-05-10 Printing telegraph automatic exchange system
FR838203D FR838203A (fr) 1937-05-22 1938-05-20 Systèmes automatiques à bureaux centraux téléimprimeurs
BE428199D BE428199A (forum.php) 1937-05-22 1938-05-21

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US144273A US2132684A (en) 1937-05-22 1937-05-22 Printing telegraph automatic exchange system
GB13945/38A GB504501A (en) 1937-05-22 1938-05-10 Printing telegraph automatic exchange system

Publications (1)

Publication Number Publication Date
GB504501A true GB504501A (en) 1939-04-26

Family

ID=26250134

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13945/38A Expired GB504501A (en) 1937-05-22 1938-05-10 Printing telegraph automatic exchange system

Country Status (4)

Country Link
US (1) US2132684A (forum.php)
BE (1) BE428199A (forum.php)
FR (1) FR838203A (forum.php)
GB (1) GB504501A (forum.php)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2568756A (en) * 1945-09-05 1951-09-25 Int Standard Electric Corp Reservation system
US2609439A (en) * 1949-09-20 1952-09-02 Teleregister Corp Indicator setting mechanism operable by means of character comparisons
NL82351C (forum.php) * 1950-06-14
US2664459A (en) * 1951-10-02 1953-12-29 Roelof M M Oberman Automatic switching means for use in telegraph systems and the like
NL261984A (forum.php) * 1960-03-21
NL279134A (forum.php) * 1961-05-31

Also Published As

Publication number Publication date
US2132684A (en) 1938-10-11
BE428199A (forum.php) 1938-06-30
FR838203A (fr) 1939-03-01

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