AR223549A1 - PIEZOELECTRIC TRANSDUCER - Google Patents

PIEZOELECTRIC TRANSDUCER

Info

Publication number: AR223549A1
Authority: AR; Argentina
Prior art keywords: piezoelectric transducer; piezoelectric; transducer
Prior art date: 1979-09-19

Application number

AR282490A

Other languages

Spanish (es)

Original Assignee

Siemens Ag

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.)

1979-09-19

Filing date

1980-09-11

Publication date

1981-08-31

1980-09-11 Application filed by Siemens Ag filed Critical Siemens Ag

1981-08-31 Application granted granted Critical

1981-08-31 Publication of AR223549A1 publication Critical patent/AR223549A1/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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for telephonic receivers
- 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
- H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)
Apparatuses For Generation Of Mechanical Vibrations (AREA)

AR282490A 1979-09-19 1980-09-11 PIEZOELECTRIC TRANSDUCER AR223549A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19792937922 DE2937922A1 (en)	1979-09-19	1979-09-19	PIEZOELECTRIC CONVERTER

Publications (1)

Publication Number	Publication Date
AR223549A1 true AR223549A1 (en)	1981-08-31

Family

ID=6081296

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AR282490A AR223549A1 (en)	1979-09-19	1980-09-11	PIEZOELECTRIC TRANSDUCER

Country Status (10)

Country	Link
EP (1)	EP0025955B1 (en)
JP (1)	JPS5651200A (en)
AR (1)	AR223549A1 (en)
AT (1)	ATE11478T1 (en)
AU (1)	AU538420B2 (en)
BR (1)	BR8005981A (en)
DE (1)	DE2937922A1 (en)
FI (1)	FI74183C (en)
GR (1)	GR70029B (en)
ZA (1)	ZA805775B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3131349C2 (en) *	1981-08-07	1983-05-11	Rosenthal Technik Ag, 8672 Selb	Piezoelectric three-tone generator
US4413198A (en) *	1981-12-30	1983-11-01	Motorola, Inc.	Piezoelectric transducer apparatus
DE3446183A1 (en) *	1984-12-18	1986-06-26	Siemens AG, 1000 Berlin und 8000 München	Piezo-electric transducer
JPS6295399U (en) *	1985-12-03	1987-06-18
AU588989B2 (en) *	1986-04-10	1989-09-28	Alcatel Australia Limited	An improved transducer
DE4311701C2 (en) *	1993-04-08	1999-08-26	Siemens Ag	Arrangement for generating acoustic signals, in particular tone calls in telecommunication devices

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB202938A (en) *	1922-02-06	1923-08-07	Signal Gmbh	Improvements in acoustic apparatus
DE2119911B2 (en) *	1971-04-23	1973-11-15	Siemens Ag, 1000 Berlin U. 8000 Muenchen	Electroacoustic converter, in particular microphone for telephone systems
BE759888A (en) *	1969-12-05	1971-06-04	Siemens Ag	ELECTRO-ACOUSTIC TRANSDUCER, ESPECIALLY MICROPHONE FOR TELEPHONE SYSTEMS
GB1370164A (en) *	1972-01-30	1974-10-16	Mullard Ltd	Piezoelectric transducer
DE2223531B1 (en) *	1972-05-15	1973-11-08	Siemens Ag	ELECTROACOUSTIC CONVERTER
US4006371A (en) *	1973-03-19	1977-02-01	Whitewater Electronics, Inc.	Electroacoustical transducer comprising piezoelectric element
US4056741A (en) *	1973-04-18	1977-11-01	Airco, Inc.	Audible signal generating apparatus having selectively controlled audible output
US3922672A (en) *	1974-03-04	1975-11-25	Mallory & Co Inc P R	Audible alarm device
JPS5330296A (en) *	1976-09-01	1978-03-22	Seiko Instr & Electronics Ltd	Electro-acoustic transducer

1979
- 1979-09-19 DE DE19792937922 patent/DE2937922A1/en active Granted
1980
- 1980-09-11 AR AR282490A patent/AR223549A1/en active
- 1980-09-12 EP EP80105477A patent/EP0025955B1/en not_active Expired
- 1980-09-12 AT AT80105477T patent/ATE11478T1/en not_active IP Right Cessation
- 1980-09-17 GR GR62906A patent/GR70029B/el unknown
- 1980-09-17 JP JP12806380A patent/JPS5651200A/en active Pending
- 1980-09-18 BR BR8005981A patent/BR8005981A/en unknown
- 1980-09-18 AU AU62509/80A patent/AU538420B2/en not_active Ceased
- 1980-09-18 ZA ZA00805775A patent/ZA805775B/en unknown
- 1980-09-18 FI FI802943A patent/FI74183C/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
ATE11478T1 (en)	1985-02-15
DE2937922C2 (en)	1988-11-24
BR8005981A (en)	1981-03-31
EP0025955B1 (en)	1985-01-23
EP0025955A1 (en)	1981-04-01
ZA805775B (en)	1981-09-30
DE2937922A1 (en)	1981-04-09
AU6250980A (en)	1981-04-09
JPS5651200A (en)	1981-05-08
AU538420B2 (en)	1984-08-16
FI74183C (en)	1987-12-10
FI74183B (en)	1987-08-31
FI802943A (en)	1981-03-20
GR70029B (en)	1982-07-23

Publication	Publication Date	Title
MX148756A (en)	1983-06-14	IMPROVED ULTRASONIC TRANSDUCER
ES492684A0 (en)	1981-02-16	AN ACOUSTIC TRANSDUCER DEVICE
FR2472325B1 (en)	1986-06-27	ELECTROMECHANICAL TRANSDUCER
DK153608C (en)	1989-01-02	PIEZO-ELECTRICAL TRANSDUCER
AR212933A1 (en)	1978-11-15	ELECTROACOUSTIC TRANSDUCER
GB2052918B (en)	1984-04-18	Piezoelectric transducers
BR8006417A (en)	1981-04-14	DISPLACEMENT TRANSDUCER
AR216604A1 (en)	1979-12-28	ELECTROACOUSTIC TRANSDUCER
FR2462837B1 (en)	1986-05-23	ULTRASONIC TRANSDUCER
ES494331A0 (en)	1981-04-01	IMPROVEMENTS IN ELECTROACOUSTIC TRANSDUCERS
FR2466931B1 (en)	1986-05-23	DIRECTIONAL ELECTROACOUSTIC TRANSDUCER
AR217200A1 (en)	1980-02-29	DISPLACEMENT TRANSDUCER
FR2472899B1 (en)	1985-09-13	ELECTRO-ACOUSTIC TRANSDUCER
ES496947A0 (en)	1981-12-16	AN ELECTROACOUSTIC TRANSDUCER
IT1129239B (en)	1986-06-04	PIEZOELECTRIC ACCELEROMETER
BR7902346A (en)	1979-10-23	TRANSDUCER
ES491440A0 (en)	1980-12-16	TRANSDUCER DEVICE
AR223549A1 (en)	1981-08-31	PIEZOELECTRIC TRANSDUCER
AT383682B (en)	1987-08-10	Force transducer
BE895154Q (en)	1983-03-16	FORCE TRANSDUCER
JPS5687824A (en)	1981-07-16	Piezoelectric transducer
BR8005910A (en)	1981-03-31	ELECTRIC ACOUSTIC TRANSDUCERS
AR216250A1 (en)	1979-11-30	ELECTROACOUSTIC TRANSDUCER
MX146012A (en)	1982-04-29	IMPROVEMENTS IN ELECTROACOUSTIC TRANSDUCER
AR228018A1 (en)	1983-01-14	ELECTROACOUSTIC TRANSDUCER