FR1429909A - Call dial for telephone sets - Google Patents

Call dial for telephone sets

Info

Publication number
FR1429909A
FR1429909A FR13052A FR13052A FR1429909A FR 1429909 A FR1429909 A FR 1429909A FR 13052 A FR13052 A FR 13052A FR 13052 A FR13052 A FR 13052A FR 1429909 A FR1429909 A FR 1429909A
Authority
FR
France
Prior art keywords
telephone sets
call dial
dial
call
telephone
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
FR13052A
Other languages
French (fr)
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.)
Deutsche Fernsprecher GmbH
Original Assignee
Deutsche Fernsprecher GmbH
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 Deutsche Fernsprecher GmbH filed Critical Deutsche Fernsprecher GmbH
Priority to FR13052A priority Critical patent/FR1429909A/en
Application granted granted Critical
Publication of FR1429909A publication Critical patent/FR1429909A/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
    • H04M1/30—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)
FR13052A 1965-04-13 1965-04-13 Call dial for telephone sets Expired FR1429909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR13052A FR1429909A (en) 1965-04-13 1965-04-13 Call dial for telephone sets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR13052A FR1429909A (en) 1965-04-13 1965-04-13 Call dial for telephone sets

Publications (1)

Publication Number Publication Date
FR1429909A true FR1429909A (en) 1966-02-25

Family

ID=8576314

Family Applications (1)

Application Number Title Priority Date Filing Date
FR13052A Expired FR1429909A (en) 1965-04-13 1965-04-13 Call dial for telephone sets

Country Status (1)

Country Link
FR (1) FR1429909A (en)

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