FR1287812A - Lecteur électromécanique - Google Patents

Lecteur électromécanique

Info

Publication number
FR1287812A
FR1287812A FR859318A FR859318A FR1287812A FR 1287812 A FR1287812 A FR 1287812A FR 859318 A FR859318 A FR 859318A FR 859318 A FR859318 A FR 859318A FR 1287812 A FR1287812 A FR 1287812A
Authority
FR
France
Prior art keywords
electromechanical reader
electromechanical
reader
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
FR859318A
Other languages
English (en)
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.)
CBS Broadcasting Inc
Original Assignee
Columbia Broadcasting System Inc
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 Columbia Broadcasting System Inc filed Critical Columbia Broadcasting System Inc
Priority to FR859318A priority Critical patent/FR1287812A/fr
Application granted granted Critical
Publication of FR1287812A publication Critical patent/FR1287812A/fr
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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR859318A 1961-04-20 1961-04-20 Lecteur électromécanique Expired FR1287812A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR859318A FR1287812A (fr) 1961-04-20 1961-04-20 Lecteur électromécanique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR859318A FR1287812A (fr) 1961-04-20 1961-04-20 Lecteur électromécanique

Publications (1)

Publication Number Publication Date
FR1287812A true FR1287812A (fr) 1962-03-16

Family

ID=8753452

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859318A Expired FR1287812A (fr) 1961-04-20 1961-04-20 Lecteur électromécanique

Country Status (1)

Country Link
FR (1) FR1287812A (fr)

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