CH286656A - A method in which an electromechanical device is given permanent piezoelectric properties and an electromechanical device obtained by this method. - Google Patents

A method in which an electromechanical device is given permanent piezoelectric properties and an electromechanical device obtained by this method.

Info

Publication number
CH286656A
CH286656A CH286656DA CH286656A CH 286656 A CH286656 A CH 286656A CH 286656D A CH286656D A CH 286656DA CH 286656 A CH286656 A CH 286656A
Authority
CH
Switzerland
Prior art keywords
electromechanical device
piezoelectric properties
given permanent
permanent piezoelectric
device obtained
Prior art date
Application number
Other languages
French (fr)
Inventor
Corporation Sonotone
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
Publication of CH286656A publication Critical patent/CH286656A/en

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)
CH286656D 1946-08-31 1948-06-29 A method in which an electromechanical device is given permanent piezoelectric properties and an electromechanical device obtained by this method. CH286656A (en)

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
CH286656A true CH286656A (en) 1952-10-31

Family

ID=26703957

Family Applications (1)

Application Number Title Priority Date Filing Date
CH286656D CH286656A (en) 1946-08-31 1948-06-29 A method in which an electromechanical device is given permanent piezoelectric properties and an electromechanical device obtained by this method.

Country Status (4)

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

Families Citing this family (3)

* 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
NL112654C (en) * 1958-04-03 1966-03-09 Philips Nv Device for converting small direct voltages into approximately proportional alternating voltages
US3233047A (en) * 1961-10-02 1966-02-01 Teleprompter Corp Stereo piezoelectric transducer

Also Published As

Publication number Publication date
GB672236A (en) 1952-05-21
BE483710A (en)
FR969232A (en) 1950-12-15
GB661168A (en) 1951-11-21

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