FR760981A - Improvements made to call dialers for telephone devices - Google Patents

Improvements made to call dialers for telephone devices

Info

Publication number
FR760981A
FR760981A FR760981DA FR760981A FR 760981 A FR760981 A FR 760981A FR 760981D A FR760981D A FR 760981DA FR 760981 A FR760981 A FR 760981A
Authority
FR
France
Prior art keywords
dialers
call
improvements made
telephone devices
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
Other languages
French (fr)
Inventor
Wormser
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 filed Critical
Application granted granted Critical
Publication of FR760981A publication Critical patent/FR760981A/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
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Mechanical Sealing (AREA)
FR760981D 1932-09-21 1933-09-20 Improvements made to call dialers for telephone devices Expired FR760981A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU760981X 1932-09-21
GB26069/33A GB430737A (en) 1932-09-21 1933-09-21 Improvements in calling dials for telephonic apparatus

Publications (1)

Publication Number Publication Date
FR760981A true FR760981A (en) 1934-03-06

Family

ID=10237874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR760981D Expired FR760981A (en) 1932-09-21 1933-09-20 Improvements made to call dialers for telephone devices

Country Status (2)

Country Link
FR (1) FR760981A (en)
GB (1) GB430737A (en)

Also Published As

Publication number Publication date
GB430737A (en) 1935-06-24

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