CH223989A - Piezo crystal oscillator. - Google Patents

Piezo crystal oscillator.

Info

Publication number
CH223989A
CH223989A CH223989DA CH223989A CH 223989 A CH223989 A CH 223989A CH 223989D A CH223989D A CH 223989DA CH 223989 A CH223989 A CH 223989A
Authority
CH
Switzerland
Prior art keywords
crystal oscillator
piezo crystal
piezo
oscillator
crystal
Prior art date
Application number
Other languages
German (de)
Inventor
Johannes Dr Ing Gruetzmacher
Original Assignee
Johannes Dr Ing Gruetzmacher
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 Johannes Dr Ing Gruetzmacher filed Critical Johannes Dr Ing Gruetzmacher
Publication of CH223989A publication Critical patent/CH223989A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
    • 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)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separating Particles In Gases By Inertia (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH223989D 1939-07-11 1940-06-27 Piezo crystal oscillator. CH223989A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE223989X 1939-07-11
DE231039X 1939-10-23

Publications (1)

Publication Number Publication Date
CH223989A true CH223989A (en) 1942-10-31

Family

ID=25763700

Family Applications (2)

Application Number Title Priority Date Filing Date
CH223989D CH223989A (en) 1939-07-11 1940-06-27 Piezo crystal oscillator.
CH225992D CH225992A (en) 1939-07-11 1940-11-23 Dust collector.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH225992D CH225992A (en) 1939-07-11 1940-11-23 Dust collector.

Country Status (3)

Country Link
US (1) US2323030A (en)
CH (2) CH223989A (en)
NL (1) NL57684C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082071B (en) * 1953-09-26 1960-05-19 Siemens Ag Piezoelectric transducer
DE1123137B (en) * 1957-12-06 1962-02-01 Paul Renaut Piezoelectric transmitter for material testing
DE975750C (en) * 1945-02-06 1962-07-26 Siemens Ag Quartz transmitter for generating ultrasound

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498737A (en) * 1946-06-07 1950-02-28 William H T Holden Electromechanical transducer
US2549872A (en) * 1948-03-26 1951-04-24 Bell Telephone Labor Inc Focusing ultrasonic radiator
US2567407A (en) * 1948-04-23 1951-09-11 Stromberg Carlson Co Electroacoustic transducer
US2832058A (en) * 1948-09-10 1958-04-22 Gen Electric Electroacoustic transducer
US2671862A (en) * 1949-01-11 1954-03-09 Republic Steel Corp Detector head for sonic inspection devices
US2728869A (en) * 1950-01-06 1955-12-27 Ultraschall A G Piezoelectric oscillator or vibrator for ultrasonic waves, especially as an instrument for therapeutical treatment and diagnosis
US2741754A (en) * 1950-12-27 1956-04-10 Clevite Corp Disk transducer
US2736823A (en) * 1952-03-31 1956-02-28 Sperry Rand Corp Acoustic transducer and damping assembly
US2833999A (en) * 1953-09-28 1958-05-06 Douglas H Howry Transducer
US3328610A (en) * 1964-07-13 1967-06-27 Branson Instr Sonic wave generator
US3431462A (en) * 1966-07-01 1969-03-04 James Electronics Inc Image conversion cathode ray tube with piezoelectric face element provided with rigidifying means
US3441904A (en) * 1967-12-15 1969-04-29 Us Navy Electro-mechanical directional transducer
US3521089A (en) * 1968-06-05 1970-07-21 Atomic Energy Commission Piezoelectric feedthrough device
US3851300A (en) * 1971-11-03 1974-11-26 Us Navy Transducer
GB1515287A (en) * 1974-05-30 1978-06-21 Plessey Co Ltd Piezoelectric transducers
GB2363011B (en) * 2000-05-31 2002-04-17 Acoustical Tech Sg Pte Ltd Surface acoustic wave device
DE10111948B4 (en) * 2001-03-13 2004-08-26 Eads Deutschland Gmbh Shape-adaptable electrode structure in layered construction and method of operation
US11220042B2 (en) * 2015-02-04 2022-01-11 Ohio State Innovation Foundation Systems and methods for additive manufacturing
TWM583052U (en) * 2019-05-30 2019-09-01 詠業科技股份有限公司 Ultrasonic transducer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975750C (en) * 1945-02-06 1962-07-26 Siemens Ag Quartz transmitter for generating ultrasound
DE1082071B (en) * 1953-09-26 1960-05-19 Siemens Ag Piezoelectric transducer
DE1123137B (en) * 1957-12-06 1962-02-01 Paul Renaut Piezoelectric transmitter for material testing

Also Published As

Publication number Publication date
NL57684C (en)
US2323030A (en) 1943-06-29
CH225992A (en) 1943-03-15

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