GB897734A - Improvements in piezoelectric transducers - Google Patents

Improvements in piezoelectric transducers

Info

Publication number
GB897734A
GB897734A GB25390/58A GB2539058A GB897734A GB 897734 A GB897734 A GB 897734A GB 25390/58 A GB25390/58 A GB 25390/58A GB 2539058 A GB2539058 A GB 2539058A GB 897734 A GB897734 A GB 897734A
Authority
GB
United Kingdom
Prior art keywords
pick
polarization
crystal
conductor
electric
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
GB25390/58A
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.)
Bosch Security Systems Inc
Original Assignee
Electro Voice 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 Electro Voice Inc filed Critical Electro Voice Inc
Publication of GB897734A publication Critical patent/GB897734A/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)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electron Beam Exposure (AREA)
GB25390/58A 1958-03-03 1958-08-07 Improvements in piezoelectric transducers Expired GB897734A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71865858A 1958-03-03 1958-03-03
US721188A US3381149A (en) 1958-03-03 1958-03-13 Multichannel piezoelectric transducer
US741517A US3056860A (en) 1958-03-03 1958-06-12 Phonograph pickup

Publications (1)

Publication Number Publication Date
GB897734A true GB897734A (en) 1962-05-30

Family

ID=27418981

Family Applications (2)

Application Number Title Priority Date Filing Date
GB25390/58A Expired GB897734A (en) 1958-03-03 1958-08-07 Improvements in piezoelectric transducers
GB5325/59A Expired GB919157A (en) 1958-03-03 1959-02-16 Piezoelectric transducer

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5325/59A Expired GB919157A (en) 1958-03-03 1959-02-16 Piezoelectric transducer

Country Status (3)

Country Link
US (2) US3381149A (cs)
GB (2) GB897734A (cs)
NL (1) NL236717A (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578994A (en) * 1969-10-22 1971-05-18 Dynamics Corp Massa Div Piezoelectric clamped-free beam type transducer
US3624264A (en) * 1970-02-18 1971-11-30 Arnold Lazarus Method and apparatus for sound and vibration detection
GB1381727A (en) * 1971-08-26 1975-01-29 English Electric Co Ltd Devices incorporating cavity resonators
JPS5613719U (cs) 1979-07-13 1981-02-05
US5170089A (en) * 1989-12-20 1992-12-08 General Electric Company Two-axis motion apparatus utilizing piezoelectric material
US5268611A (en) * 1992-03-16 1993-12-07 Rockwell International Corporation Anisotropic transducer
CH711008A1 (de) * 2015-04-30 2016-10-31 Kistler Holding Ag Kontaktkraft-Prüfvorrichtung, Verwendung einer solchen Kontaktkraft-Prüfvorrichtung und Verfahren zur Herstellung einer solchen Kontaktkraft-Prüfvorrichtung.
US10773822B2 (en) 2016-05-29 2020-09-15 Neoex Systems, Inc. System and method for the transfer of cryogenic fluids

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944118A (en) * 1960-07-05 Binaural phonograph pickup
US1869556A (en) * 1927-01-28 1932-08-02 Rca Corp Method and means for vibrating crystals
BE34841A (cs) * 1927-01-28
US1906214A (en) * 1927-03-19 1933-04-25 Communications Patents Inc High frequency phonograph apparatus
US1930536A (en) * 1927-11-19 1933-10-17 Westinghouse Electric & Mfg Co Oscillation generator
US1907425A (en) * 1928-12-19 1933-05-09 Bell Telephone Labor Inc Piezo electric resonator
US1907427A (en) * 1928-12-19 1933-05-09 Bell Telephone Labor Inc Piezo-electric crystal
FR747504A (cs) * 1931-12-14 1933-06-16
US2271200A (en) * 1939-07-19 1942-01-27 Bell Telephone Labor Inc Wave filter
US2439499A (en) * 1942-08-20 1948-04-13 Brush Dev Co Piezoelectric motor
US2387472A (en) * 1943-08-17 1945-10-23 Rca Corp Square-law detector
US2476848A (en) * 1945-07-05 1949-07-19 Farnsworth Res Corp Variable resistance phonograph pickup and system
US2518348A (en) * 1946-08-16 1950-08-08 Bell Telephone Labor Inc Apparatus for the determination of viscosity of liquids
US2545737A (en) * 1947-11-01 1951-03-20 Goodrich Co B F Variable resistance pickup element
USRE23813E (en) * 1947-12-26 1954-04-20 Piezoelectric transducer and method for producing same
US2625663A (en) * 1948-05-08 1953-01-13 Gulton Mfg Corp Transducer
US2596494A (en) * 1948-06-12 1952-05-13 Brush Dev Co Ceramic electromechanical transducer
BE489589A (cs) * 1948-06-12
US2775460A (en) * 1951-05-15 1956-12-25 Ian M Shivack Binaural recording system
US2851541A (en) * 1954-07-28 1958-09-09 Electro Voice Electromechanical transducer
US2900536A (en) * 1954-11-18 1959-08-18 Astatic Corp Design of electro-mechanical transducer elements
US2834158A (en) * 1955-01-28 1958-05-13 Gulton Ind Inc Ultrasonic drill
US2944117A (en) * 1955-06-20 1960-07-05 Erie Resistor Corp Bender type piezoelectric transducer
US2838696A (en) * 1955-08-15 1958-06-10 Bell Telephone Labor Inc Torsional transducers of ethylene diamine tartrate and dipotassium tartrate
US2838695A (en) * 1955-08-15 1958-06-10 Bell Telephone Labor Inc Multi-section quartz torsional transducers
NL110623C (cs) * 1958-02-10

Also Published As

Publication number Publication date
GB919157A (en) 1963-02-20
US3056860A (en) 1962-10-02
NL236717A (cs)
US3381149A (en) 1968-04-30

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