CH272710A - Appareil enregistreur de messages. - Google Patents

Appareil enregistreur de messages.

Info

Publication number
CH272710A
CH272710A CH272710DA CH272710A CH 272710 A CH272710 A CH 272710A CH 272710D A CH272710D A CH 272710DA CH 272710 A CH272710 A CH 272710A
Authority
CH
Switzerland
Prior art keywords
recording device
message recording
message
recording
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Frederick Hinton Franci George
Ernest Planer Felix
Original Assignee
Hinton Francis George Frederic
Ernest Planer Felix
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 Hinton Francis George Frederic, Ernest Planer Felix filed Critical Hinton Francis George Frederic
Publication of CH272710A publication Critical patent/CH272710A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
CH272710D 1945-09-14 1947-11-05 Appareil enregistreur de messages. CH272710A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB272710X 1945-09-14
GB81146X 1946-11-08

Publications (1)

Publication Number Publication Date
CH272710A true CH272710A (fr) 1950-12-31

Family

ID=26241947

Family Applications (1)

Application Number Title Priority Date Filing Date
CH272710D CH272710A (fr) 1945-09-14 1947-11-05 Appareil enregistreur de messages.

Country Status (3)

Country Link
CH (1) CH272710A (enrdf_load_stackoverflow)
FR (1) FR957150A (enrdf_load_stackoverflow)
GB (1) GB626672A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
GB626672A (en) 1949-07-19
FR957150A (enrdf_load_stackoverflow) 1950-02-16

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