CH352368A - Device for recording and reproducing or transmitting telephone messages - Google Patents

Device for recording and reproducing or transmitting telephone messages

Info

Publication number
CH352368A
CH352368A CH352368DA CH352368A CH 352368 A CH352368 A CH 352368A CH 352368D A CH352368D A CH 352368DA CH 352368 A CH352368 A CH 352368A
Authority
CH
Switzerland
Prior art keywords
reproducing
recording
telephone messages
transmitting telephone
transmitting
Prior art date
Application number
Other languages
German (de)
Inventor
Waldman Herbert
Original Assignee
Robo Sonic Ind Inc
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 Robo Sonic Ind Inc filed Critical Robo Sonic Ind Inc
Publication of CH352368A publication Critical patent/CH352368A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
    • H04M1/6545—Telephone line monitoring circuits therefor, e.g. ring detectors mechanically actuating hook switch, e.g. lifting handset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/652—Means for playing back the recorded messages by remote control over a telephone line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Telephonic Communication Services (AREA)
CH352368D 1956-10-29 1956-10-29 Device for recording and reproducing or transmitting telephone messages CH352368A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB32991/56A GB813653A (en) 1956-10-29 1956-10-29 Improvements in telephone message recording and message repeat back systems
JP2839056A JPS357957B1 (en) 1956-10-29 1956-11-08

Publications (1)

Publication Number Publication Date
CH352368A true CH352368A (en) 1961-02-28

Family

ID=70227705

Family Applications (1)

Application Number Title Priority Date Filing Date
CH352368D CH352368A (en) 1956-10-29 1956-10-29 Device for recording and reproducing or transmitting telephone messages

Country Status (5)

Country Link
JP (1) JPS357957B1 (en)
BE (1) BE552200A (en)
CH (1) CH352368A (en)
FR (1) FR1161263A (en)
GB (1) GB813653A (en)

Also Published As

Publication number Publication date
BE552200A (en) 1957-04-29
JPS357957B1 (en) 1960-06-27
GB813653A (en) 1959-05-21
FR1161263A (en) 1958-08-25

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