FR781600A - Telephone recording and reproducing device - Google Patents

Telephone recording and reproducing device

Info

Publication number
FR781600A
FR781600A FR781600DA FR781600A FR 781600 A FR781600 A FR 781600A FR 781600D A FR781600D A FR 781600DA FR 781600 A FR781600 A FR 781600A
Authority
FR
France
Prior art keywords
reproducing device
telephone recording
telephone
recording
reproducing
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
Otto Jaeger
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 FR781600A publication Critical patent/FR781600A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/10—Telephonic communication systems specially adapted for combination with other electrical systems with dictation recording and playback systems
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42221—Conversation recording systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
FR781600D 1934-09-29 1934-11-20 Telephone recording and reproducing device Expired FR781600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2082303X 1934-09-29

Publications (1)

Publication Number Publication Date
FR781600A true FR781600A (en) 1935-05-18

Family

ID=31994867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781600D Expired FR781600A (en) 1934-09-29 1934-11-20 Telephone recording and reproducing device

Country Status (6)

Country Link
US (1) US2082303A (en)
BE (1) BE406363A (en)
CH (3) CH183345A (en)
FR (1) FR781600A (en)
GB (1) GB434634A (en)
NL (1) NL41916C (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442851A (en) * 1940-08-03 1948-06-08 Farnsworth Res Corp Traffic signaling system
BE476355A (en) * 1946-10-09
US2527145A (en) * 1946-12-06 1950-10-24 Bell Telephone Labor Inc Magnetic recorder and transmitter
US2519318A (en) * 1946-12-24 1950-08-15 Hattie B Kuhlik Sound recording and reproducing apparatus
US2612565A (en) * 1948-05-24 1952-09-30 Herman S Heller Safety device for preventing accidental erasing or double recording on magnetic record tape
DE883003C (en) * 1949-09-01 1953-07-13 Siemens Ag Magnetic sound recording device for automatic recording of calls
US2673242A (en) * 1949-12-17 1954-03-23 Telephone Answering And Record Means for controlling telephone answering devices
US2784254A (en) * 1951-01-05 1957-03-05 Lane John Dexter System for telephone answering and recording and for message recording and reproducing
US2757238A (en) * 1951-09-19 1956-07-31 Edison Inc Thomas A Remotely-controlled dictationrecording system
GB1300228A (en) * 1969-09-19 1972-12-20 Learning Appliances Ltd Amplifier switching means

Also Published As

Publication number Publication date
CH185855A (en) 1936-08-15
US2082303A (en) 1937-06-01
NL41916C (en) 1937-11-15
CH185856A (en) 1936-08-15
CH183345A (en) 1936-03-31
GB434634A (en) 1935-09-05
BE406363A (en) 1934-12-31

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