FR750846A - Device for the automatic recording of conversations, adapting to telephone devices - Google Patents

Device for the automatic recording of conversations, adapting to telephone devices

Info

Publication number
FR750846A
FR750846A FR750846DA FR750846A FR 750846 A FR750846 A FR 750846A FR 750846D A FR750846D A FR 750846DA FR 750846 A FR750846 A FR 750846A
Authority
FR
France
Prior art keywords
conversations
adapting
automatic recording
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
Karl Daniel
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 FR750846A publication Critical patent/FR750846A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N11/00—Arrangements for supplying grease from a stationary reservoir or the equivalent in or on the machine or member to be lubricated; Grease cups
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Telephone Set Structure (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Seasonings (AREA)
FR750846D 1932-05-21 1933-02-15 Device for the automatic recording of conversations, adapting to telephone devices Expired FR750846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE417924X 1932-05-21

Publications (1)

Publication Number Publication Date
FR750846A true FR750846A (en) 1933-08-19

Family

ID=6448780

Family Applications (1)

Application Number Title Priority Date Filing Date
FR750846D Expired FR750846A (en) 1932-05-21 1933-02-15 Device for the automatic recording of conversations, adapting to telephone devices

Country Status (5)

Country Link
US (1) US2085252A (en)
BE (1) BE394570A (en)
DE (1) DE79997C (en)
FR (1) FR750846A (en)
GB (1) GB417924A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286033A (en) * 1960-08-30 1966-11-15 Jerome H Lemelson Apparatus for magnetically recording and reproducing at a remote station over a telephone line

Also Published As

Publication number Publication date
BE394570A (en)
GB417924A (en) 1934-10-10
US2085252A (en) 1937-06-29
DE79997C (en)

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