DK130560B - Piezoelektrisk transor. - Google Patents

Piezoelektrisk transor.

Info

Publication number: DK130560B
Authority: DK; Denmark
Prior art keywords: piezoelectric transducer; piezoelectric; transducer
Prior art date: 1969-09-23

Application number

DK418470AA

Other languages

English (en)

Other versions

DK130560C (da

Inventor

H W Schafft

Original Assignee

Motorola Inc

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.)

1969-09-23

Filing date

1970-08-14

Publication date

1975-03-03

1970-08-14 Application filed by Motorola Inc filed Critical Motorola Inc

1975-03-03 Publication of DK130560B publication Critical patent/DK130560B/da

1975-08-18 Application granted granted Critical

1975-08-18 Publication of DK130560C publication Critical patent/DK130560C/da

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
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/09—Elastic or damping supports
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension

Landscapes

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

DK418470AA 1969-09-23 1970-08-14 Piezoelektrisk transor. DK130560B (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US86021869A	1969-09-23	1969-09-23

Publications (2)

Publication Number	Publication Date
DK130560B true DK130560B (da)	1975-03-03
DK130560C DK130560C (da)	1975-08-18

Family

ID=25332746

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK418470AA DK130560B (da)	1969-09-23	1970-08-14	Piezoelektrisk transor.

Country Status (9)

Country	Link
US (1)	US3588552A (da)
JP (1)	JPS4944658B1 (da)
DE (2)	DE7035291U (da)
DK (1)	DK130560B (da)
ES (1)	ES383842A1 (da)
FR (1)	FR2062964B3 (da)
GB (1)	GB1284966A (da)
IL (1)	IL35230A (da)
NL (1)	NL7014052A (da)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1006969A (en) *	1973-07-26	1977-03-15	Lyle E. Shoot	Piezoelectric transducer
US3948089A (en) *	1973-10-12	1976-04-06	Westinghouse Electric Corporation	Strain gauge apparatus
FR2282677A1 (fr) *	1974-08-22	1976-03-19	Tretiakoff Oleg	Calculatrice electronique de poche pour aveugles
JPS51130216A (en) *	1975-05-07	1976-11-12	Matsushita Electric Ind Co Ltd	Electromechanical transducer
JPS5254419A (en) *	1975-10-29	1977-05-02	Pioneer Electronic Corp	Electroacoustic transducer
DE3169146D1 (en) *	1980-11-07	1985-04-04	Hitachi Ltd	Piezoelectric ceramic transducer
GB2155731A (en) *	1983-11-01	1985-09-25	John David Gregson	Ultrasonic transducers
US4675960A (en) *	1985-12-30	1987-06-30	Motorola, Inc.	Method of manufacturing an electrically variable piezoelectric hybrid capacitor
JPS6367448U (da) *	1986-06-27	1988-05-06
JP3120260B2 (ja) *	1992-12-26	2000-12-25	日本碍子株式会社	圧電／電歪膜型素子
US5471721A (en) *	1993-02-23	1995-12-05	Research Corporation Technologies, Inc.	Method for making monolithic prestressed ceramic devices
US5632841A (en) *	1995-04-04	1997-05-27	The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration	Thin layer composite unimorph ferroelectric driver and sensor
JP3768789B2 (ja) *	2000-09-07	2006-04-19	アルプス電気株式会社	超音波振動子及びウエット処理用ノズル並びにウエット処理装置
DE50204498D1 (de) *	2001-01-31	2005-11-17	Caterpillar Inc	Piezoelektrischer Aktor
US7681290B2 (en) *	2006-10-20	2010-03-23	The Boeing Company	Piezoelectric bimorph beam manufacturing method
DE102008011414A1 (de) *	2008-02-27	2009-09-10	Continental Automotive Gmbh	Verfahren zum Polarisieren einer Piezokeramik
US9743190B2 (en)	2015-03-31	2017-08-22	Bose Corporation	Acoustic diaphragm
US9769570B2 (en)	2015-03-31	2017-09-19	Bose Corporation	Acoustic diaphragm
CN109935223B (zh) *	2017-12-19	2021-04-20	北京长城电子装备有限责任公司	一种超小尺寸低频发射换能器

1969
- 1969-09-23 US US860218A patent/US3588552A/en not_active Expired - Lifetime
1970
- 1970-08-14 DK DK418470AA patent/DK130560B/da unknown
- 1970-08-21 GB GB40319/70A patent/GB1284966A/en not_active Expired
- 1970-08-27 JP JP45074611A patent/JPS4944658B1/ja active Pending
- 1970-09-03 IL IL35230A patent/IL35230A/xx unknown
- 1970-09-21 ES ES383842A patent/ES383842A1/es not_active Expired
- 1970-09-22 FR FR707034351A patent/FR2062964B3/fr not_active Expired
- 1970-09-23 DE DE7035291U patent/DE7035291U/de not_active Expired
- 1970-09-23 NL NL7014052A patent/NL7014052A/xx not_active Application Discontinuation
- 1970-09-23 DE DE19702046901 patent/DE2046901B2/de active Pending

Also Published As

Publication number	Publication date
GB1284966A (en)	1972-08-09
DE2046901B2 (de)	1972-02-17
FR2062964A7 (da)	1971-07-02
US3588552A (en)	1971-06-28
IL35230A (en)	1974-03-14
ES383842A1 (es)	1973-03-01
IL35230A0 (en)	1970-11-30
NL7014052A (da)	1971-03-25
JPS4944658B1 (da)	1974-11-29
DE2046901A1 (de)	1971-04-22
FR2062964B3 (da)	1973-06-08
DK130560C (da)	1975-08-18
DE7035291U (de)	1971-02-25

Publication	Publication Date	Title
CH547489A (de)	1974-03-29	Beschleunigungsaufnehmer.
AT318032B (de)	1974-09-25	Schallwandler
DK130560B (da)	1975-03-03	Piezoelektrisk transor.
CH515499A (de)	1971-11-15	Piezoelektrischer Druckwandler
BE801293A (fr)	1973-10-15	Transducteur
NL167060C (nl)	1981-10-15	Piezo-elektrische inrichting.
NL159509B (nl)	1979-02-15	Seismische trilinrichting.
ES193023Y (es)	1975-01-16	Un dispositivo transductor electromecanico.
CH489010A (de)	1970-04-15	Messwandler
OA03688A (fr)	1971-12-24	Transducteur acoustique.
NL165543C (nl)	1981-04-15	Piezo-elektrische inrichting.
NL155162B (nl)	1977-11-15	Piezo-elektrische microfoon.
CH509580A (de)	1971-06-30	Druckmesswandler
IL34068A (en)	1973-06-29	Piezoelectric transducer
IT979752B (it)	1974-09-30	Trasduttore piezoelettrico
SE381192B (sv)	1975-12-01	Piezoelektriskt svengningssystem
IT999333B (it)	1976-02-20	Trasduttori
DK130805B (da)	1975-04-14	Magnetosriktiv transducer.
DE2130588B2 (de)	1973-08-30	Piezoelektrische baueinheit
CH522997A (de)	1972-05-15	Piezoelektrischer Wandler
IT957225B (it)	1973-10-10	Trasduttore elettroacustico
CH514789A (it)	1971-10-31	Trasduttore oleodinamico
BE757836A (fr)	1971-04-01	Transducteurs ultrasoniques
DK146000C (da)	1983-10-10	Elektroakustisk transducer
IT957218B (it)	1973-10-10	Trasduttore elettroacustico