FR436734A - Call device for telephone systems - Google Patents

Call device for telephone systems

Info

Publication number
FR436734A
FR436734A FR436734A FR436734DA FR436734A FR 436734 A FR436734 A FR 436734A FR 436734 A FR436734 A FR 436734A FR 436734D A FR436734D A FR 436734DA FR 436734 A FR436734 A FR 436734A
Authority
FR
France
Prior art keywords
call device
telephone systems
telephone
systems
call
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
FR436734A
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.)
AUTOMATIC ELECTRIC C SOC
Original Assignee
AUTOMATIC ELECTRIC C SOC
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 AUTOMATIC ELECTRIC C SOC filed Critical AUTOMATIC ELECTRIC C SOC
Application granted granted Critical
Publication of FR436734A publication Critical patent/FR436734A/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
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Structure Of Telephone Exchanges (AREA)
FR436734A 1911-10-03 1911-10-11 Call device for telephone systems Expired FR436734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191121815T 1911-10-03

Publications (1)

Publication Number Publication Date
FR436734A true FR436734A (en) 1912-04-03

Family

ID=32567488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR436734A Expired FR436734A (en) 1911-10-03 1911-10-11 Call device for telephone systems

Country Status (2)

Country Link
FR (1) FR436734A (en)
GB (1) GB191121815A (en)

Also Published As

Publication number Publication date
GB191121815A (en) 1912-10-03

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