GB8414282D0 - Transducers - Google Patents

Transducers

Info

Publication number: GB8414282D0
Authority: GB; United Kingdom
Prior art keywords: transducers
Prior art date: 1983-12-05
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.): Granted

Application number

GB848414282A

Other versions

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.)

KAY L

Original Assignee

KAY L

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.)

1983-12-05

Filing date

1984-06-05

Publication date

1984-07-11

1984-06-05 Application filed by KAY L filed Critical KAY L

1984-07-11 Publication of GB8414282D0 publication Critical patent/GB8414282D0/en

1984-11-30 Priority to AU36090/84A priority Critical patent/AU573655B2/en

1984-11-30 Priority to US06/676,818 priority patent/US4704556A/en

1984-12-04 Priority to AT84308392T priority patent/ATE41542T1/en

1984-12-04 Priority to DE8484308392T priority patent/DE3477287D1/en

1984-12-04 Priority to EP84308392A priority patent/EP0144234B1/en

1985-07-10 Publication of GB2151025A publication Critical patent/GB2151025A/en

1987-10-07 Application granted granted Critical

1987-10-07 Publication of GB2151025B publication Critical patent/GB2151025B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- 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
- B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
- B06B1/085—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction using multiple elements, e.g. arrays

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Ultra Sonic Daignosis Equipment (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Geophysics And Detection Of Objects (AREA)

GB08414282A 1983-12-05 1984-06-05 Transducer Expired GB2151025B (en)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
AU36090/84A AU573655B2 (en)	1983-12-05	1984-11-30	Transducer array
US06/676,818 US4704556A (en)	1983-12-05	1984-11-30	Transducers
AT84308392T ATE41542T1 (en)	1983-12-05	1984-12-04	CONVERTER.
DE8484308392T DE3477287D1 (en)	1983-12-05	1984-12-04	Improvements relating to transducers
EP84308392A EP0144234B1 (en)	1983-12-05	1984-12-04	Improvements relating to transducers

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NZ20647583A NZ206475A (en)	1983-12-05	1983-12-05	Ultrasonic transducer array provides beam steering

Publications (3)

Publication Number	Publication Date
GB8414282D0 true GB8414282D0 (en)	1984-07-11
GB2151025A GB2151025A (en)	1985-07-10
GB2151025B GB2151025B (en)	1987-10-07

Family

ID=19920605

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08414282A Expired GB2151025B (en)	1983-12-05	1984-06-05	Transducer

Country Status (3)

Country	Link
JP (1)	JPS60157060A (en)
GB (1)	GB2151025B (en)
NZ (1)	NZ206475A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU573655B2 (en) *	1983-12-05	1988-06-16	Kay, L.	Transducer array
US6775388B1 (en)	1998-07-16	2004-08-10	Massachusetts Institute Of Technology	Ultrasonic transducers
JP2000050387A (en)	1998-07-16	2000-02-18	Massachusetts Inst Of Technol <Mit>	Parameteric audio system
US7391872B2 (en)	1999-04-27	2008-06-24	Frank Joseph Pompei	Parametric audio system
US6771785B2 (en)	2001-10-09	2004-08-03	Frank Joseph Pompei	Ultrasonic transducer for parametric array
US20040114770A1 (en)	2002-10-30	2004-06-17	Pompei Frank Joseph	Directed acoustic sound system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7802688A (en) *	1978-03-13	1979-09-17	Philips Nv	DEVICE FOR CONVERSION FROM ACOUSTIC TO ELECTRICAL VIBRATIONS AND VERSIONS, EQUIPPED WITH AT LEAST ONE CONDENSER ELECTRICAL ELEMENT CONNECTED TO AN ELECTRONIC CIRCUIT.
DE3103357C2 (en) *	1981-01-31	1982-10-21	Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln	Ultrasonic transducer

1983
- 1983-12-05 NZ NZ20647583A patent/NZ206475A/en unknown
1984
- 1984-06-05 GB GB08414282A patent/GB2151025B/en not_active Expired
- 1984-12-05 JP JP59257272A patent/JPS60157060A/en active Pending

Also Published As

Publication number	Publication date
GB2151025A (en)	1985-07-10
NZ206475A (en)	1988-09-29
GB2151025B (en)	1987-10-07
JPS60157060A (en)	1985-08-17

Publication	Publication Date	Title
DE3472004D1 (en)	1988-07-14	Transducers
GB2138144B (en)	1986-07-16	Cardio-respiration transducer
GB8322886D0 (en)	1983-09-28	Transducer means
GB2148504B (en)	1987-01-07	Force transducer
GB8407922D0 (en)	1984-05-02	Transducer
EP0140618A3 (en)	1986-03-12	Acoustic transducer
GB2139769B (en)	1987-05-20	Force transducer
GB2164226B (en)	1987-03-18	Electroacoustic transducer
GB8425064D0 (en)	1993-01-27	Acoustic transducer
GB8321609D0 (en)	1983-09-14	Transducer
GB8409946D0 (en)	1984-05-31	Transducers
GB8625837D0 (en)	1986-12-03	Displacement transducer
GB8309904D0 (en)	1983-05-18	Transducer
GB8411493D0 (en)	1984-06-13	Electro-acoustic transducer
GB8409932D0 (en)	1984-05-31	Acoustic ranging
GB8427095D0 (en)	1984-12-05	Transducer
GB8320398D0 (en)	1983-09-01	Transducer
GB2151025B (en)	1987-10-07	Transducer
GB8316385D0 (en)	1983-07-20	Transducer
GB2123651B (en)	1986-08-06	Transducers
GB8333605D0 (en)	1984-02-15	Transducers
GB8425213D0 (en)	1984-11-14	Electro-acoustic transducer
GB8312279D0 (en)	1983-06-08	Transducer
GB8515896D0 (en)	1985-07-24	Tranducer
GB2121646B (en)	1985-08-07	Transducer

Legal Events

Date	Code	Title	Description
1991-01-30	PCNP	Patent ceased through non-payment of renewal fee