CA989469A - Electromechanical oscillator - Google Patents

Electromechanical oscillator

Info

Publication number: CA989469A
Authority: CA; Canada
Prior art keywords: electromechanical oscillator; electromechanical; oscillator
Prior art date: 1973-03-22
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

CA193,826A

Other versions

CA193826S (en

Inventor

John N. Antonevich

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.)

Valeo Engine Cooling Inc

Original Assignee

Blackstone 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.)

1973-03-22

Filing date

1974-03-01

Publication date

1976-05-18

1974-03-01 Application filed by Blackstone Corp filed Critical Blackstone Corp

1976-05-18 Application granted granted Critical

1976-05-18 Publication of CA989469A publication Critical patent/CA989469A/en

Status Expired legal-status Critical Current

Links

Classifications

- 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
- B06B1/0207—Driving circuits
- B06B1/0223—Driving circuits for generating signals continuous in time
- B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
- B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
- B06B1/0261—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken from a transducer or electrode connected to the driving transducer
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/323—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator having more than two terminals

CA193,826A 1973-03-22 1974-03-01 Electromechanical oscillator Expired CA989469A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00343846A US3813616A (en)	1973-03-22	1973-03-22	Electromechanical oscillator

Publications (1)

Publication Number	Publication Date
CA989469A true CA989469A (en)	1976-05-18

Family

ID=23347933

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA193,826A Expired CA989469A (en)	1973-03-22	1974-03-01	Electromechanical oscillator

Country Status (3)

Country	Link
US (1)	US3813616A (en)
JP (1)	JPS49129465A (en)
CA (1)	CA989469A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4065687A (en) *	1973-03-28	1977-12-27	Taga Electric Co., Ltd.	Supersonic vibrator with means for detecting vibrating speed
US3967143A (en) *	1974-10-10	1976-06-29	Oki Electric Industry Company, Ltd.	Ultrasonic wave generator
US4227110A (en) *	1976-11-10	1980-10-07	Westinghouse Electric Corp.	Transducer control system
DE2906499C2 (en) *	1979-02-20	1981-07-09	Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart	Vibration generator for low operating voltages for ultrasonic liquid atomizers
US4469974A (en) *	1982-06-14	1984-09-04	Eaton Corporation	Low power acoustic fuel injector drive circuit
DD252287A3 (en) *	1985-06-20	1987-12-16	Leipzig Chemieanlagen	METHOD OF ATTACHING OR LOESEN SCREWABLE CONNECTIONS
US6836054B2 (en) *	2001-09-11	2004-12-28	Face International Corp.	Thickness mode piezoelectric transducer with resonant drive circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3432691A (en) *	1966-09-15	1969-03-11	Branson Instr	Oscillatory circuit for electro-acoustic converter

1973
- 1973-03-22 US US00343846A patent/US3813616A/en not_active Expired - Lifetime
1974
- 1974-03-01 CA CA193,826A patent/CA989469A/en not_active Expired
- 1974-03-18 JP JP49030152A patent/JPS49129465A/ja active Pending

Also Published As

Publication number	Publication date
JPS49129465A (en)	1974-12-11
US3813616A (en)	1974-05-28

Publication	Publication Date	Title
AU474137B2 (en)	1976-07-15	Auto-refractometer
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CA1017213A (en)	1977-09-13	Vibrator
CA984430A (en)	1976-02-24	Timer
CA1014627A (en)	1977-07-26	Variable oscillator
CA1015410A (en)	1977-08-09	Comparator-keyed oscillator
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AU476397B2 (en)	1976-09-16	A-cycloalkylbenzyl lactamimides
AU476505B2 (en)	1976-09-23	Alkylbenxyl lactamimides
CA989469A (en)	1976-05-18	Electromechanical oscillator
AU470647B2 (en)	1976-03-25	Phase demodular
AU472907B2 (en)	1976-06-10	Firecheck
CA996367A (en)	1976-09-07	Lock
AU486349B2 (en)	1976-03-11	Lock
AU476386B2 (en)	1976-09-16	Dibenzocycloheptenyl lactamimides
AU488691B2 (en)	1976-02-12	Comparator-keyed oscillator
AU471241B2 (en)	1976-04-15	Benzothiazolylureas
CA913709A (en)	1972-10-31	Simplified electromechanical oscillator
CA908861A (en)	1972-08-29	Electromechanical resonator
AU485017B2 (en)	1976-02-12	Piezoelectric resonator
AU485552B2 (en)	1976-06-17	2-acyl-4-oxo-pyrazino-isoquinolines
AU489560B2 (en)	1976-01-15	Amidinoureas
AU482866B2 (en)		Unsymmetrically-substituted-s-triazines
AU491458B2 (en)	1976-06-24	7-halomethyl-17-hydroxy-3-oxo-17 -pregn-4-ene-21-carboxylic acid -lactones