IT945061B - IMPROVEMENT IN ELECTROMECHANICAL OR ELECTROACOUSTIC TRANSDUCERS OF THE PIEZOELECTRIC TYPE - Google Patents

IMPROVEMENT IN ELECTROMECHANICAL OR ELECTROACOUSTIC TRANSDUCERS OF THE PIEZOELECTRIC TYPE

Info

Publication number: IT945061B
Authority: IT; Italy
Prior art keywords: electromechanical; improvement; piezoelectric type; electroacoustic transducers; electroacoustic
Prior art date: 1970-12-02

Application number

IT54236/71A

Other languages

Italian (it)

Original Assignee

Tibbetts Industries

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.)

1970-12-02

Filing date

1971-11-20

Publication date

1973-05-10

1971-11-20 Application filed by Tibbetts Industries filed Critical Tibbetts Industries

1973-05-10 Application granted granted Critical

1973-05-10 Publication of IT945061B publication Critical patent/IT945061B/en

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
- B06B1/0648—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 of rectangular shape

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)

IT54236/71A 1970-12-02 1971-11-20 IMPROVEMENT IN ELECTROMECHANICAL OR ELECTROACOUSTIC TRANSDUCERS OF THE PIEZOELECTRIC TYPE IT945061B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US9423270A	1970-12-02	1970-12-02

Publications (1)

Publication Number	Publication Date
IT945061B true IT945061B (en)	1973-05-10

Family

ID=22243917

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT54236/71A IT945061B (en)	1970-12-02	1971-11-20	IMPROVEMENT IN ELECTROMECHANICAL OR ELECTROACOUSTIC TRANSDUCERS OF THE PIEZOELECTRIC TYPE

Country Status (11)

Country	Link
US (1)	US3697790A (en)
JP (1)	JPS5438490B1 (en)
AT (1)	AT310273B (en)
CA (1)	CA941953A (en)
CH (1)	CH571799A5 (en)
DE (1)	DE2158723C3 (en)
ES (1)	ES397051A1 (en)
FR (1)	FR2116473B1 (en)
GB (1)	GB1365085A (en)
IT (1)	IT945061B (en)
NL (1)	NL7112773A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2282677A1 (en) *	1974-08-22	1976-03-19	Tretiakoff Oleg	POCKET ELECTRONIC CALCULATOR FOR THE BLIND
US4318023A (en) *	1980-02-21	1982-03-02	Physics International Company	Sagittally amplified piezoelectric actuator
US4933591A (en) *	1988-01-06	1990-06-12	Ford Aerospace Corporation	Double saggital pull stroke amplifier
US6715363B1 (en) *	1998-02-20	2004-04-06	Wilcoxon Research, Inc.	Method and apparatus for strain amplification for piezoelectric transducers
GB0221503D0 (en) *	2002-09-17	2002-10-23	1 Ltd	Loudspeaker
US7620193B2 (en) *	2002-12-20	2009-11-17	Newlands Technology Limited	Acoustic actuators
GB0229954D0 (en) *	2002-12-20	2003-01-29	Newlands Technology Ltd	Actuator
WO2011046508A1 (en) *	2009-10-16	2011-04-21	Siemens Medical Instruments Pte Ltd	Elastomeric suspensions and integrated frame structures for electronic components
WO2014097668A1 (en) *	2012-12-17	2014-06-26	京セラ株式会社	Acoustic generator, acoustic genera tion device, and electronic device
WO2014103951A1 (en) *	2012-12-25	2014-07-03	京セラ株式会社	Sound generator, sound generation device and electronic device
WO2014103424A1 (en) *	2012-12-25	2014-07-03	京セラ株式会社	Sound generator, sound generation device and electronic device
US10284986B2 (en) *	2015-04-29	2019-05-07	Goertek Inc.	Piezoelectric speaker and method for forming the same
US11800293B2 (en) *	2020-06-15	2023-10-24	Lg Display Co., Ltd.	Sound apparatus
JP7123196B2 (en) *	2021-01-06	2022-08-22	エルジーディスプレイカンパニーリミテッド	Sound generator and sound device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2386279A (en) *	1942-07-21	1945-10-09	Raymond W Tibbetts	Piezoelectric device
US2421586A (en) *	1944-09-20	1947-06-03	Tibbetts Lab Inc	Piezoelectric device
US2403692A (en) *	1944-12-29	1946-07-09	George C Tibbetts	Piezoelectric device
US2877362A (en) *	1954-10-29	1959-03-10	Tibbetts Lab Inc	Transducer sealing
US2912605A (en) *	1955-12-05	1959-11-10	Tibbetts Lab Inc	Electromechanical transducer
US3277433A (en) *	1963-10-17	1966-10-04	William J Toulis	Flexural-extensional electromechanical transducer
US3292020A (en) *	1963-11-01	1966-12-13	Bendix Corp	Transducer
US3383914A (en) *	1965-10-23	1968-05-21	Cornell Aeronautical Labor Inc	Skin friction transducer
US3545283A (en) *	1966-07-25	1970-12-08	Electra Scient Corp	Non-linear accelerometer
US3558936A (en) *	1967-07-19	1971-01-26	John J Horan	Resonant energy-conversion system
CH472668A (en) *	1967-09-05	1969-05-15	Kistler Instrumente Ag	Setup with a multi-component piezo measuring cell

1970
- 1970-12-02 US US94232A patent/US3697790A/en not_active Expired - Lifetime
1971
- 1971-09-17 NL NL7112773A patent/NL7112773A/xx not_active Application Discontinuation
- 1971-10-22 CA CA125,825A patent/CA941953A/en not_active Expired
- 1971-11-05 ES ES397051A patent/ES397051A1/en not_active Expired
- 1971-11-09 GB GB5186871A patent/GB1365085A/en not_active Expired
- 1971-11-20 IT IT54236/71A patent/IT945061B/en active
- 1971-11-26 DE DE2158723A patent/DE2158723C3/en not_active Expired
- 1971-12-01 FR FR7143142A patent/FR2116473B1/fr not_active Expired
- 1971-12-01 AT AT1035971A patent/AT310273B/en active
- 1971-12-01 CH CH1749371A patent/CH571799A5/xx not_active IP Right Cessation
- 1971-12-02 JP JP9681071A patent/JPS5438490B1/ja active Pending

Also Published As

Publication number	Publication date
DE2158723C3 (en)	1980-07-03
FR2116473A1 (en)	1972-07-13
FR2116473B1 (en)	1975-08-29
CH571799A5 (en)	1976-01-15
ES397051A1 (en)	1975-03-01
US3697790A (en)	1972-10-10
GB1365085A (en)	1974-08-29
AU3644171A (en)	1973-06-21
DE2158723B2 (en)	1979-10-11
NL7112773A (en)	1972-06-06
DE2158723A1 (en)	1972-06-15
JPS5438490B1 (en)	1979-11-21
AT310273B (en)	1973-09-25
CA941953A (en)	1974-02-12

Publication	Publication Date	Title
IT982996B (en)	1974-10-21	IMPROVEMENT IN ELECTROACOUSTIC TRANSDUCERS WITH ACTIVE ELEMENT OF PIEZOELECTRIC TYPE
IT962159B (en)	1973-12-20	IMPROVEMENT IN DISPLACEMENT AND OR MOVEMENT TRANSDUCERS
FR1522700A (en)	1968-04-26	Piezoelectric transducer
IT974113B (en)	1974-06-20	IMPROVEMENT IN DIFFERENTIAL PRESSURE TRANSDUCERS
IT965256B (en)	1974-01-31	IMPROVEMENT IN HYDRAULIC MECHANICAL FORCE TRANSDUCERS
AT269514B (en)	1969-03-25	Piezoelectric transducer
CH481546A (en)	1969-11-15	Piezoelectric electro-mechanical transducer
IT945061B (en)	1973-05-10	IMPROVEMENT IN ELECTROMECHANICAL OR ELECTROACOUSTIC TRANSDUCERS OF THE PIEZOELECTRIC TYPE
IT995318B (en)	1975-11-10	IMPROVED BINDER OF THE VELVET TYPE
IT972504B (en)	1974-05-31	PERFECTION IN ELECTROACOUSTIC TRANSDUCERS
CH515499A (en)	1971-11-15	Piezoelectric pressure transducer
AT320794B (en)	1975-02-25	PIEZOELECTRIC DRIVE
CH522325A (en)	1972-06-15	Piezoelectric component
AT327294B (en)	1976-01-26	PIEZOELECTRIC FILTER ARRANGEMENT
IT961893B (en)	1973-12-10	IMPROVEMENT IN ELECTROACOUSTIC TRANSDUCERS OF THE ELECTRO-STATIC TYPE
SE351286C (en)	1979-07-30	PIEZOELECTRIC GUESTAR
OA03688A (en)	1971-12-24	Acoustic transducer.
NL155162B (en)	1977-11-15	PIEZO-ELECTRIC MICROPHONE.
AT341577B (en)	1978-02-10	PIEZOELECTRIC RESONATOR
AT293065B (en)	1971-09-27	Piezoelectric accelerometer transducer
BE774997A (en)	1972-03-01	PIEZO-ELECTRIC RESONATOR
IT979752B (en)	1974-09-30	PIEZOELECTRIC TRANSDUCER
IT965193B (en)	1974-01-31	IMPROVEMENT IN PIEZOELECTRIC TRANSDUCERS
SE381192B (en)	1975-12-01	PIEZOELECTRIC SWING SYSTEM
IT990176B (en)	1975-06-20	IMPROVEMENT IN BOURDON TYPE MANOMETERS