US2323030A - Electrode for piezoelectric crystal oscillators - Google Patents

Electrode for piezoelectric crystal oscillators Download PDF

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Publication number
US2323030A
US2323030A US341302A US34130240A US2323030A US 2323030 A US2323030 A US 2323030A US 341302 A US341302 A US 341302A US 34130240 A US34130240 A US 34130240A US 2323030 A US2323030 A US 2323030A
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US
United States
Prior art keywords
crystal
electrode
electrodes
oscillator
grid
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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 - Lifetime
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US341302A
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English (en)
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Gruetzmacher Johannes
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Individual
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Individual
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    • 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
US341302A 1939-07-11 1940-06-19 Electrode for piezoelectric crystal oscillators Expired - Lifetime US2323030A (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
US2323030A true US2323030A (en) 1943-06-29

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ID=25763700

Family Applications (1)

Application Number Title Priority Date Filing Date
US341302A Expired - Lifetime US2323030A (en) 1939-07-11 1940-06-19 Electrode for piezoelectric crystal oscillators

Country Status (3)

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US (1) US2323030A (de)
CH (2) CH223989A (de)
NL (1) NL57684C (de)

Cited By (20)

* 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
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
US2736823A (en) * 1952-03-31 1956-02-28 Sperry Rand Corp Acoustic transducer and damping assembly
US2741754A (en) * 1950-12-27 1956-04-10 Clevite Corp Disk transducer
US2832058A (en) * 1948-09-10 1958-04-22 Gen Electric Electroacoustic transducer
US2833999A (en) * 1953-09-28 1958-05-06 Douglas H Howry Transducer
US3069574A (en) * 1957-12-06 1962-12-18 Realisations Ultrasoniques Sa Piezoelectric 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
US4156800A (en) * 1974-05-30 1979-05-29 Plessey Handel Und Investments Ag Piezoelectric transducer
US20020130594A1 (en) * 2001-03-13 2002-09-19 Frank Hermle Form-adaptable electrode structure in layer construction
US20040183397A1 (en) * 2000-05-31 2004-09-23 Kam Chan Hin Surface acoustic wave device
US20180036939A1 (en) * 2015-02-04 2018-02-08 Ohio State Innovation Foundation Systems and methods for additive manufacturing
US20200376520A1 (en) * 2019-05-30 2020-12-03 Unictron Technologies Corporation Ultrasonic transducer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE975750C (de) * 1945-02-06 1962-07-26 Siemens Ag Quarzsender zur Erzeugung von Ultraschall
DE1082071B (de) * 1953-09-26 1960-05-19 Siemens Ag Piezoelektrischer Schwinger

Cited By (23)

* 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
US3069574A (en) * 1957-12-06 1962-12-18 Realisations Ultrasoniques Sa Piezoelectric 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
US4156800A (en) * 1974-05-30 1979-05-29 Plessey Handel Und Investments Ag Piezoelectric transducer
US20040183397A1 (en) * 2000-05-31 2004-09-23 Kam Chan Hin Surface acoustic wave device
US20020130594A1 (en) * 2001-03-13 2002-09-19 Frank Hermle Form-adaptable electrode structure in layer construction
US6815874B2 (en) * 2001-03-13 2004-11-09 Eads Deutschland Gmbh Form-adaptable electrode structure in layer construction
US20180036939A1 (en) * 2015-02-04 2018-02-08 Ohio State Innovation Foundation Systems and methods for additive manufacturing
US11220042B2 (en) * 2015-02-04 2022-01-11 Ohio State Innovation Foundation Systems and methods for additive manufacturing
US20200376520A1 (en) * 2019-05-30 2020-12-03 Unictron Technologies Corporation Ultrasonic transducer
US11534796B2 (en) * 2019-05-30 2022-12-27 Unictron Technologies Corporation Ultrasonic transducer

Also Published As

Publication number Publication date
CH225992A (de) 1943-03-15
CH223989A (de) 1942-10-31
NL57684C (de)

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