FR1238024A - Improvements to the reading heads of electrophones - Google Patents

Improvements to the reading heads of electrophones

Info

Publication number
FR1238024A
FR1238024A FR806382A FR806382A FR1238024A FR 1238024 A FR1238024 A FR 1238024A FR 806382 A FR806382 A FR 806382A FR 806382 A FR806382 A FR 806382A FR 1238024 A FR1238024 A FR 1238024A
Authority
FR
France
Prior art keywords
electrophones
reading heads
heads
reading
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
FR806382A
Other languages
French (fr)
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.)
Decca Record Co Ltd
Original Assignee
Decca Record Co Ltd
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 Decca Record Co Ltd filed Critical Decca Record Co Ltd
Application granted granted Critical
Publication of FR1238024A publication Critical patent/FR1238024A/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R11/12—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
    • 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)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Ropes Or Cables (AREA)
  • Springs (AREA)
FR806382A 1958-10-09 1959-09-30 Improvements to the reading heads of electrophones Expired FR1238024A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3231658A GB856997A (en) 1958-10-09 1958-10-09 Improvements in or relating to gramophone pickups

Publications (1)

Publication Number Publication Date
FR1238024A true FR1238024A (en) 1960-11-28

Family

ID=10336715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806382A Expired FR1238024A (en) 1958-10-09 1959-09-30 Improvements to the reading heads of electrophones

Country Status (6)

Country Link
BE (1) BE583019A (en)
CH (1) CH375539A (en)
DE (1) DE1096626B (en)
FR (1) FR1238024A (en)
GB (1) GB856997A (en)
NL (1) NL244111A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445574A1 (en) * 1978-12-26 1980-07-25 Burundukov Valentin ELECTRODYNAMIC READING HEAD

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL99355C (en) * 1956-03-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445574A1 (en) * 1978-12-26 1980-07-25 Burundukov Valentin ELECTRODYNAMIC READING HEAD

Also Published As

Publication number Publication date
NL244111A (en)
BE583019A (en) 1960-01-18
CH375539A (en) 1964-02-29
DE1096626B (en) 1961-01-05
GB856997A (en) 1960-12-21

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