GB665190A - Method of manufacturing piezoelectric crystal devices - Google Patents

Method of manufacturing piezoelectric crystal devices

Info

Publication number
GB665190A
GB665190A GB19865/50A GB1986550A GB665190A GB 665190 A GB665190 A GB 665190A GB 19865/50 A GB19865/50 A GB 19865/50A GB 1986550 A GB1986550 A GB 1986550A GB 665190 A GB665190 A GB 665190A
Authority
GB
United Kingdom
Prior art keywords
crystals
piezoelectric crystal
piezo
crystal devices
base
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
GB19865/50A
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.)
Brush Development Co
Original Assignee
Brush Development Co
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 Brush Development Co filed Critical Brush Development Co
Publication of GB665190A publication Critical patent/GB665190A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

665,190. Piezo-electric crystals. BRUSH DEVELOPMENT CO. Oct. 22, 1947 [June 2, 1944[, No. 19865/50. Divided out of 665,100 under which a Specification was laid open to inspection under Sect. 91 of the Acts, May 31, 1948. Drawings to Specification. Class 40 (viii). A piezo-electric instrument is made by connecting a plurality of crystal elements to a flatbase such that in operation they expand in a direction normal to the base, working the free ends of the crystals until all are in a single plane parallel to the base and then enclosing the crystals in a housing having a vibration-transmitting portion. The constructional features of the instrument described are described in Specification 600,853, [Group XL (c)]. Specification 665,189 also is referred to.
GB19865/50A 1942-07-30 1947-10-22 Method of manufacturing piezoelectric crystal devices Expired GB665190A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US452906A US2413462A (en) 1942-07-30 1942-07-30 Transducer
US665190XA 1944-06-02 1944-06-02
US665100XA 1946-11-30 1946-11-30

Publications (1)

Publication Number Publication Date
GB665190A true GB665190A (en) 1952-01-16

Family

ID=27370984

Family Applications (3)

Application Number Title Priority Date Filing Date
GB19864/50A Expired GB665189A (en) 1942-07-30 1947-10-22 Method of manufacturing piezoelectric crystal devices
GB28242/47A Expired GB665100A (en) 1942-07-30 1947-10-22 Method of manufacturing piezoelectric crystal devices
GB19865/50A Expired GB665190A (en) 1942-07-30 1947-10-22 Method of manufacturing piezoelectric crystal devices

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB19864/50A Expired GB665189A (en) 1942-07-30 1947-10-22 Method of manufacturing piezoelectric crystal devices
GB28242/47A Expired GB665100A (en) 1942-07-30 1947-10-22 Method of manufacturing piezoelectric crystal devices

Country Status (2)

Country Link
US (1) US2413462A (en)
GB (3) GB665189A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477246A (en) * 1945-05-16 1949-07-26 Bell Telephone Labor Inc Submarine signaling device
US2605346A (en) * 1945-09-18 1952-07-29 Roland M Goglick Waterproof microphone
US2546313A (en) * 1946-12-26 1951-03-27 Brush Dev Co Testing instrument for acoustic devices
US2613261A (en) * 1948-12-08 1952-10-07 Massa Frank Underwater transducer
US2689947A (en) * 1949-09-26 1954-09-21 William J Fry Variable resonant frequency ultrasonic generator
US3090939A (en) * 1953-05-13 1963-05-21 Massa Frank Tessellated electromechanical transducer element
US2842686A (en) * 1954-03-03 1958-07-08 Musser C Walton Piezoelectric gage
US3054982A (en) * 1959-02-16 1962-09-18 Robert J Kieser Hydrostatic pressure transducer
US3149301A (en) * 1959-09-01 1964-09-15 Charles E Green Electroacoustic transducer
US3221296A (en) * 1960-01-21 1965-11-30 Allen R Milne Spherical hydrophone
US3469445A (en) * 1967-07-20 1969-09-30 United Aircraft Corp Gas flow measuring system
DK148428C (en) * 1983-02-03 1985-11-25 Grundfos As LEVEL DETECTOR WITH A PIEZOELECTRIC CRYSTAL
US9392375B2 (en) * 2012-08-10 2016-07-12 Kyocera Corporation Acoustic generator, acoustic generation device, and electronic device

Also Published As

Publication number Publication date
GB665100A (en) 1952-01-16
US2413462A (en) 1946-12-31
GB665189A (en) 1952-01-16

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