FR1229127A - Piezoelectric transducer device, in particular for phonograph read heads - Google Patents

Piezoelectric transducer device, in particular for phonograph read heads

Info

Publication number
FR1229127A
FR1229127A FR798772A FR798772A FR1229127A FR 1229127 A FR1229127 A FR 1229127A FR 798772 A FR798772 A FR 798772A FR 798772 A FR798772 A FR 798772A FR 1229127 A FR1229127 A FR 1229127A
Authority
FR
France
Prior art keywords
phonograph
piezoelectric transducer
transducer device
read heads
heads
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
FR798772A
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.)
Sonotone Corp
Original Assignee
Sonotone 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 Sonotone Corp filed Critical Sonotone Corp
Application granted granted Critical
Publication of FR1229127A publication Critical patent/FR1229127A/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
    • 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)
  • Transducers For Ultrasonic Waves (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
FR798772A 1958-07-01 1959-06-29 Piezoelectric transducer device, in particular for phonograph read heads Expired FR1229127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74601558A 1958-07-01 1958-07-01

Publications (1)

Publication Number Publication Date
FR1229127A true FR1229127A (en) 1960-09-05

Family

ID=24999147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798772A Expired FR1229127A (en) 1958-07-01 1959-06-29 Piezoelectric transducer device, in particular for phonograph read heads

Country Status (5)

Country Link
BE (1) BE580282A (en)
CH (1) CH373432A (en)
DE (1) DE1146273B (en)
FR (1) FR1229127A (en)
GB (1) GB878935A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110336487B (en) * 2019-07-30 2024-04-26 长安大学 Road piezoelectric transduction device and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE907951C (en) * 1940-05-08 1954-04-01 Rudolf Kuerth Piezoelectric ultrasonic transducer
FR1043035A (en) * 1951-05-29 1953-11-05 Csf Improvements to ultrasonic wave generators
DE914074C (en) * 1951-11-10 1954-06-24 Siemens Ag Process for the production of ceramic oscillating bodies
DE1728983U (en) * 1954-09-30 1956-08-30 Siemens Ag PIEZOELECTRIC TUBE SWINGER.

Also Published As

Publication number Publication date
CH373432A (en) 1963-11-30
DE1146273B (en) 1963-03-28
GB878935A (en) 1961-10-04
BE580282A (en) 1959-11-03

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