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CH423888A - Telephone dial of the blind angle type - Google Patents

Telephone dial of the blind angle type

Info

Publication number
CH423888A
CH423888A CH1341965A CH1341965A CH423888A CH 423888 A CH423888 A CH 423888A CH 1341965 A CH1341965 A CH 1341965A CH 1341965 A CH1341965 A CH 1341965A CH 423888 A CH423888 A CH 423888A
Authority
CH
Switzerland
Prior art keywords
angle type
telephone dial
blind angle
blind
dial
Prior art date
Application number
CH1341965A
Other languages
Italian (it)
Inventor
Dal Monte Giorgio Ing Dr
Callegari Luciano
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of CH423888A publication Critical patent/CH423888A/en

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
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices 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
    • H04M1/34—Lost-motion or other arrangements for ensuring a pause between successive digit transmissions
    • 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
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mechanical Operated Clutches (AREA)
  • Transmission Devices (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Telephone Set Structure (AREA)
CH1341965A 1964-10-28 1965-09-28 Telephone dial of the blind angle type CH423888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2313264 1964-10-28

Publications (1)

Publication Number Publication Date
CH423888A true CH423888A (en) 1966-11-15

Family

ID=11204116

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1341965A CH423888A (en) 1964-10-28 1965-09-28 Telephone dial of the blind angle type

Country Status (9)

Country Link
US (1) US3430003A (en)
BE (1) BE670756A (en)
CH (1) CH423888A (en)
DE (1) DE1261172C2 (en)
DK (1) DK116374B (en)
GB (1) GB1106216A (en)
LU (1) LU49650A1 (en)
NL (1) NL6513866A (en)
NO (1) NO117135B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252875A (en) * 1939-11-10 1941-08-19 Bell Telephone Labor Inc Call transmitter device
NL208105A (en) * 1955-06-25 1900-01-01 Automatic Telephone & Elect

Also Published As

Publication number Publication date
NL6513866A (en) 1966-04-29
NO117135B (en) 1969-07-07
LU49650A1 (en) 1965-12-20
GB1106216A (en) 1968-03-13
US3430003A (en) 1969-02-25
BE670756A (en) 1966-01-31
DE1261172B (en) 1968-02-15
DE1261172C2 (en) 1976-11-11
DK116374B (en) 1970-01-05

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