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FR88620E - 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
FR88620E
FR88620E FR27808A FR27808A FR88620E FR 88620 E FR88620 E FR 88620E FR 27808 A FR27808 A FR 27808A FR 27808 A FR27808 A FR 27808A FR 88620 E FR88620 E FR 88620E
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
FR27808A
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 Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Corp filed Critical Siemens and Halske AG
Priority to FR27808A priority Critical patent/FR88620E/en
Application granted granted Critical
Publication of FR88620E publication Critical patent/FR88620E/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)
FR27808A 1963-09-20 1965-08-10 Coding device for telecommunications installations, in particular for selection in telephone installations Expired FR88620E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR27808A FR88620E (en) 1963-09-20 1965-08-10 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
FR27808A FR88620E (en) 1963-09-20 1965-08-10 Coding device for telecommunications installations, in particular for selection in telephone installations

Publications (1)

Publication Number Publication Date
FR88620E true FR88620E (en) 1967-03-03

Family

ID=27437567

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27808A Expired FR88620E (en) 1963-09-20 1965-08-10 Coding device for telecommunications installations, in particular for selection in telephone installations

Country Status (1)

Country Link
FR (1) FR88620E (en)

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