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FR862821A - Sound recording device for roll-up recording media - Google Patents

Sound recording device for roll-up recording media

Info

Publication number
FR862821A
FR862821A FR862821DA FR862821A FR 862821 A FR862821 A FR 862821A FR 862821D A FR862821D A FR 862821DA FR 862821 A FR862821 A FR 862821A
Authority
FR
France
Prior art keywords
roll
sound
recording
recording device
recording media
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
Wilhelm Frick
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 FR862821A publication Critical patent/FR862821A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/26—Driving record carriers by members acting directly or indirectly thereon
    • G11B15/32—Driving record carriers by members acting directly or indirectly thereon through the reels or cores on to which the record carrier is wound
    • 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
    • H04M1/6515—Recording arrangements for recording a message from the calling party using magnetic tape

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR862821D 1939-01-11 1940-01-10 Sound recording device for roll-up recording media Expired FR862821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE213939X 1939-01-11

Publications (1)

Publication Number Publication Date
FR862821A true FR862821A (en) 1941-03-17

Family

ID=5815968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862821D Expired FR862821A (en) 1939-01-11 1940-01-10 Sound recording device for roll-up recording media

Country Status (3)

Country Link
CH (1) CH213939A (en)
FR (1) FR862821A (en)
NL (1) NL55658C (en)

Also Published As

Publication number Publication date
NL55658C (en)
CH213939A (en) 1941-03-31

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