FR969232A - Transducteurs ou lecteurs piézo-électriques au titanate - Google Patents

Transducteurs ou lecteurs piézo-électriques au titanate

Info

Publication number
FR969232A
FR969232A FR969232DA FR969232A FR 969232 A FR969232 A FR 969232A FR 969232D A FR969232D A FR 969232DA FR 969232 A FR969232 A FR 969232A
Authority
FR
France
Prior art keywords
readers
piezoelectric
transducers
titanate
titanate transducers
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
English (en)
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 FR969232A publication Critical patent/FR969232A/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
    • 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
    • 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR969232D 1946-08-31 1948-07-16 Transducteurs ou lecteurs piézo-électriques au titanate Expired FR969232A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US661168XA 1946-08-31 1946-08-31
US286656XA 1947-09-09 1947-09-09

Publications (1)

Publication Number Publication Date
FR969232A true FR969232A (fr) 1950-12-15

Family

ID=26703957

Family Applications (1)

Application Number Title Priority Date Filing Date
FR969232D Expired FR969232A (fr) 1946-08-31 1948-07-16 Transducteurs ou lecteurs piézo-électriques au titanate

Country Status (4)

Country Link
BE (1) BE483710A (enrdf_load_html_response)
CH (1) CH286656A (enrdf_load_html_response)
FR (1) FR969232A (enrdf_load_html_response)
GB (2) GB661168A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752428A (en) * 1951-05-03 1956-06-26 Shure Bros Phonograph translating device
DE1112581B (de) * 1958-04-03 1961-08-10 Philips Nv Schwingkondensator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233047A (en) * 1961-10-02 1966-02-01 Teleprompter Corp Stereo piezoelectric transducer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752428A (en) * 1951-05-03 1956-06-26 Shure Bros Phonograph translating device
DE1112581B (de) * 1958-04-03 1961-08-10 Philips Nv Schwingkondensator

Also Published As

Publication number Publication date
BE483710A (enrdf_load_html_response)
GB661168A (en) 1951-11-21
CH286656A (fr) 1952-10-31
GB672236A (en) 1952-05-21

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