FR933791A - Improvements to sound recording and reproduction heads - Google Patents

Improvements to sound recording and reproduction heads

Info

Publication number
FR933791A
FR933791A FR933791DA FR933791A FR 933791 A FR933791 A FR 933791A FR 933791D A FR933791D A FR 933791DA FR 933791 A FR933791 A FR 933791A
Authority
FR
France
Prior art keywords
sound recording
reproduction heads
reproduction
heads
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
Other languages
French (fr)
Inventor
Michael Lawrence Gayford
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR933791A publication Critical patent/FR933791A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Impact Printers (AREA)
FR933791D 1945-06-04 1946-09-21 Improvements to sound recording and reproduction heads Expired FR933791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1402145A GB596812A (en) 1945-06-04 1945-06-04 Improvements in or relating to electrical sound reproducing and/or recording devices

Publications (1)

Publication Number Publication Date
FR933791A true FR933791A (en) 1948-04-30

Family

ID=10033541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933791D Expired FR933791A (en) 1945-06-04 1946-09-21 Improvements to sound recording and reproduction heads

Country Status (2)

Country Link
FR (1) FR933791A (en)
GB (1) GB596812A (en)

Also Published As

Publication number Publication date
GB596812A (en) 1948-01-12

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