BE436177A - - Google Patents

Info

Publication number
BE436177A
BE436177A BE436177A BE436177A BE436177A BE 436177 A BE436177 A BE 436177A BE 436177 A BE436177 A BE 436177A BE 436177 A BE436177 A BE 436177A BE 436177 A BE436177 A BE 436177A
Authority
BE
Belgium
Application number
BE436177A
Other languages
French (fr)
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 filed Critical
Publication of BE436177A publication Critical patent/BE436177A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/30Devices which can set up and transmit only one digit at a time
    • H04M1/31Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/34Lost-motion or other arrangements for ensuring a pause between successive digit transmissions

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Transmission Devices (AREA)
BE436177A 1938-08-27 1939-08-26 BE436177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25188/38A GB518721A (en) 1938-08-27 1938-08-27 Improvements in impulse senders of the type used in telephone systems

Publications (1)

Publication Number Publication Date
BE436177A true BE436177A (en) 1939-09-30

Family

ID=10223660

Family Applications (1)

Application Number Title Priority Date Filing Date
BE436177A BE436177A (en) 1938-08-27 1939-08-26

Country Status (3)

Country Link
US (1) US2276514A (en)
BE (1) BE436177A (en)
GB (1) GB518721A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522004A (en) * 1947-12-24 1950-09-12 Telephonics Corp Electric impulse transmitter pawl silencer

Also Published As

Publication number Publication date
US2276514A (en) 1942-03-17
GB518721A (en) 1940-03-06

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