GB474898A - Improvements relating to apparatus for use in the recording and reproduction of sound - Google Patents

Improvements relating to apparatus for use in the recording and reproduction of sound

Info

Publication number
GB474898A
GB474898A GB17301/37A GB1730137A GB474898A GB 474898 A GB474898 A GB 474898A GB 17301/37 A GB17301/37 A GB 17301/37A GB 1730137 A GB1730137 A GB 1730137A GB 474898 A GB474898 A GB 474898A
Authority
GB
United Kingdom
Prior art keywords
recording
reproducing
june
reproduction
sound
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
GB17301/37A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Publication of GB474898A publication Critical patent/GB474898A/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
    • G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
    • G11B31/003—Arrangements for the associated working of recording or reproducing apparatus with related apparatus with radio receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

474,898. Gramophone recording and reproducing circuits. ALLGEMEINE ELEKTRICITATS-GES. June 21, 1937, No. 17301. Convention date, June 20, 1936. [Class 40 (iv)] In apparatus for utilizing the amplifier and loudspeaker of a wireless set 3 with magnetic sound recording and reproducing apparatus 1, a separate casing 2 contains the matching transformers 6, 13, a rectifier 18 for feeding the recording microphone 4 and the recording head 15 from supply mains 16, and switches 7, 25 for changing over the connections from recording to reproducing. An earth connection is made to terminal 28 and a monitoring receiver 5 may be connected to terminals 22.
GB17301/37A 1936-06-20 1937-06-21 Improvements relating to apparatus for use in the recording and reproduction of sound Expired GB474898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE474898X 1936-06-20

Publications (1)

Publication Number Publication Date
GB474898A true GB474898A (en) 1937-11-09

Family

ID=6541780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17301/37A Expired GB474898A (en) 1936-06-20 1937-06-21 Improvements relating to apparatus for use in the recording and reproduction of sound

Country Status (1)

Country Link
GB (1) GB474898A (en)

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