GB368862A - Improvements in or relating to impulse transmitters for use in telephone or like systems - Google Patents

Improvements in or relating to impulse transmitters for use in telephone or like systems

Info

Publication number
GB368862A
GB368862A GB38070/30A GB3807030A GB368862A GB 368862 A GB368862 A GB 368862A GB 38070/30 A GB38070/30 A GB 38070/30A GB 3807030 A GB3807030 A GB 3807030A GB 368862 A GB368862 A GB 368862A
Authority
GB
United Kingdom
Prior art keywords
arm
pin
shaft
key
pawl
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
GB38070/30A
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
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 Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Publication of GB368862A publication Critical patent/GB368862A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Transmission Devices (AREA)
  • Lock And Its Accessories (AREA)
  • Mechanical Control Devices (AREA)
  • Telephone Set Structure (AREA)
GB38070/30A 1930-02-03 1930-12-17 Improvements in or relating to impulse transmitters for use in telephone or like systems Expired GB368862A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US425422A US1837236A (en) 1930-02-03 1930-02-03 Impulse sender

Publications (1)

Publication Number Publication Date
GB368862A true GB368862A (en) 1932-03-17

Family

ID=23686505

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38070/30A Expired GB368862A (en) 1930-02-03 1930-12-17 Improvements in or relating to impulse transmitters for use in telephone or like systems

Country Status (4)

Country Link
US (1) US1837236A (enrdf_load_stackoverflow)
BE (1) BE376876A (enrdf_load_stackoverflow)
FR (1) FR711859A (enrdf_load_stackoverflow)
GB (1) GB368862A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558827A (en) * 1947-08-09 1951-07-03 Haven Benjamin H De Ash receiver

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434959A (en) * 1945-09-15 1948-01-27 Bell Telephone Labor Inc Call transmitter for interstate telephone communication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558827A (en) * 1947-08-09 1951-07-03 Haven Benjamin H De Ash receiver

Also Published As

Publication number Publication date
BE376876A (enrdf_load_stackoverflow)
FR711859A (fr) 1931-09-19
US1837236A (en) 1931-12-22

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