FR1416447A - Coding device for telecommunications installations, in particular for selection in telephone installations - Google Patents

Coding device for telecommunications installations, in particular for selection in telephone installations

Info

Publication number
FR1416447A
FR1416447A FR988181A FR988181A FR1416447A FR 1416447 A FR1416447 A FR 1416447A FR 988181 A FR988181 A FR 988181A FR 988181 A FR988181 A FR 988181A FR 1416447 A FR1416447 A FR 1416447A
Authority
FR
France
Prior art keywords
installations
selection
coding device
telecommunications
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
FR988181A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
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
Priority claimed from DES87426A external-priority patent/DE1205587B/en
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Priority to FR988181A priority Critical patent/FR1416447A/en
Application granted granted Critical
Publication of FR1416447A publication Critical patent/FR1416447A/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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • 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
    • H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of dc signals of alternating polarity, coded pulses or impedance dialling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR988181A 1963-09-20 1964-09-15 Coding device for telecommunications installations, in particular for selection in telephone installations Expired FR1416447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR988181A FR1416447A (en) 1963-09-20 1964-09-15 Coding device for telecommunications installations, in particular for selection in telephone installations

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DES87426A DE1205587B (en) 1963-09-20 1963-09-20 Button dialing device for telephone systems
DES92787A DE1209610B (en) 1963-09-20 1964-08-25 Button dialing device for telephone systems
DES92833A DE1209611B (en) 1963-09-20 1964-08-27 Button dialing device for telephone systems
FR988181A FR1416447A (en) 1963-09-20 1964-09-15 Coding device for telecommunications installations, in particular for selection in telephone installations

Publications (1)

Publication Number Publication Date
FR1416447A true FR1416447A (en) 1965-11-05

Family

ID=27437568

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988181A Expired FR1416447A (en) 1963-09-20 1964-09-15 Coding device for telecommunications installations, in particular for selection in telephone installations

Country Status (1)

Country Link
FR (1) FR1416447A (en)

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