GB661168A - Improvements in or relating to electric signal transducer units - Google Patents

Improvements in or relating to electric signal transducer units

Info

Publication number
GB661168A
GB661168A GB22874/47A GB2287447A GB661168A GB 661168 A GB661168 A GB 661168A GB 22874/47 A GB22874/47 A GB 22874/47A GB 2287447 A GB2287447 A GB 2287447A GB 661168 A GB661168 A GB 661168A
Authority
GB
United Kingdom
Prior art keywords
electrodes
polarized
capacitor
particles
piezo
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
GB22874/47A
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.)
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
Publication of GB661168A publication Critical patent/GB661168A/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
    • 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)
GB22874/47A 1946-08-31 1947-08-18 Improvements in or relating to electric signal transducer units Expired GB661168A (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
GB661168A true GB661168A (en) 1951-11-21

Family

ID=26703957

Family Applications (2)

Application Number Title Priority Date Filing Date
GB22874/47A Expired GB661168A (en) 1946-08-31 1947-08-18 Improvements in or relating to electric signal transducer units
GB22282/48A Expired GB672236A (en) 1946-08-31 1948-08-24 Improvements in or relating to electro-mechanical transducers

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB22282/48A Expired GB672236A (en) 1946-08-31 1948-08-24 Improvements in or relating to electro-mechanical transducers

Country Status (4)

Country Link
BE (1) BE483710A (forum.php)
CH (1) CH286656A (forum.php)
FR (1) FR969232A (forum.php)
GB (2) GB661168A (forum.php)

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 (nl) * 1958-04-03 1966-03-09 Philips Nv Inrichting voor het omzetten van kleine gelijkspanningen in daarmee nagenoeg evenredige wisselspanningen
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 (forum.php)
FR969232A (fr) 1950-12-15
CH286656A (fr) 1952-10-31

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