CH366570A - Telephone number switch - Google Patents

Telephone number switch

Info

Publication number
CH366570A
CH366570A CH6372558A CH6372558A CH366570A CH 366570 A CH366570 A CH 366570A CH 6372558 A CH6372558 A CH 6372558A CH 6372558 A CH6372558 A CH 6372558A CH 366570 A CH366570 A CH 366570A
Authority
CH
Switzerland
Prior art keywords
telephone number
number switch
switch
telephone
Prior art date
Application number
CH6372558A
Other languages
German (de)
Inventor
Willy Dipl Ing Lohs
Paul Walter
Kallhardt Heinrich
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH366570A publication Critical patent/CH366570A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Gear Transmission (AREA)
  • Push-Button Switches (AREA)
CH6372558A 1957-09-10 1958-09-09 Telephone number switch CH366570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES55062A DE1043405B (en) 1957-09-10 1957-09-10 Telephone number switch with pulse generator and brake regulator

Publications (1)

Publication Number Publication Date
CH366570A true CH366570A (en) 1963-01-15

Family

ID=7490199

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6372558A CH366570A (en) 1957-09-10 1958-09-09 Telephone number switch

Country Status (4)

Country Link
US (1) US3043917A (en)
CH (1) CH366570A (en)
DE (1) DE1043405B (en)
GB (1) GB850704A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2189944A (en) * 1937-10-09 1940-02-13 Bell Telephone Labor Inc Telephone call transmitter
DE1730681U (en) * 1956-07-17 1956-09-27 Krone Kg ADJUSTABLE DRIVE FOR PULSE GENERATING DEVICES, IN PARTICULAR FOR NUMBER SWITCHES IN TELEVISIONS.

Also Published As

Publication number Publication date
US3043917A (en) 1962-07-10
DE1043405B (en) 1958-11-13
GB850704A (en) 1960-10-05

Similar Documents

Publication Publication Date Title
FR1184943A (en) Switches
FR1222392A (en) Switches
FR1220637A (en) Switches
CH361034A (en) Speakerphone
CH358493A (en) Miniature switching mechanism
CH381280A (en) telephone
FR1204052A (en) Switchgear
FR1186868A (en) Switches
FR1188637A (en) Switches
FR1177312A (en) Switch
FR1173024A (en) Switch
CH364545A (en) Switch disconnectors
FR1236981A (en) Switches
FR1248194A (en) Switches
CH358138A (en) Switching device
FR1243752A (en) Switches
CH357453A (en) Program switch
FR1215100A (en) Switches
FR1198484A (en) Switches
CH359189A (en) Switch disconnectors
FR1194455A (en) Switch
CH366570A (en) Telephone number switch
FR1183181A (en) Switches
FR1229656A (en) Anti-coincident circuit
CH382805A (en) telephone