ATE11478T1 - PIEZOELECTRICAL TONE TRANSDUCER. - Google Patents

PIEZOELECTRICAL TONE TRANSDUCER.

Info

Publication number: ATE11478T1
Authority: AT; Austria
Prior art keywords: piezoelectrical; tone transducer; tone; transducer; piezoelectrical tone
Prior art date: 1979-09-19

Application number

AT80105477T

Other languages

German (de)

Inventor

Klaus Baier

Erwin Martin

Original Assignee

Siemens Aktiengesellschaft

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

1980-09-12

Publication date

1985-02-15

1980-09-12 Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft

1985-02-15 Application granted granted Critical

1985-02-15 Publication of ATE11478T1 publication Critical patent/ATE11478T1/en

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)

AT80105477T 1979-09-19 1980-09-12 PIEZOELECTRICAL TONE TRANSDUCER. ATE11478T1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19792937922 DE2937922A1 (en)	1979-09-19	1979-09-19	PIEZOELECTRIC CONVERTER
EP80105477A EP0025955B1 (en)	1979-09-19	1980-09-12	Piezo-electric ringing transducer

Publications (1)

Publication Number	Publication Date
ATE11478T1 true ATE11478T1 (en)	1985-02-15

Family

ID=6081296

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT80105477T ATE11478T1 (en)	1979-09-19	1980-09-12	PIEZOELECTRICAL TONE 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 JP JP12806380A patent/JPS5651200A/en active Pending
- 1980-09-17 GR GR62906A patent/GR70029B/el unknown
- 1980-09-18 FI FI802943A patent/FI74183C/en not_active IP Right Cessation
- 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

Also Published As

Publication number	Publication date
AU538420B2 (en)	1984-08-16
EP0025955B1 (en)	1985-01-23
EP0025955A1 (en)	1981-04-01
AU6250980A (en)	1981-04-09
AR223549A1 (en)	1981-08-31
FI74183C (en)	1987-12-10
JPS5651200A (en)	1981-05-08
BR8005981A (en)	1981-03-31
FI802943A7 (en)	1981-03-20
DE2937922A1 (en)	1981-04-09
DE2937922C2 (en)	1988-11-24
ZA805775B (en)	1981-09-30
FI74183B (en)	1987-08-31
GR70029B (en)	1982-07-23

Publication	Publication Date	Title
IT8124818A0 (en)	1981-11-02	ELECTROACOUSTIC TRANSDUCER.
NL7702968A (en)	1977-09-21	TRANSDUCER.
PL200966A1 (en)	1978-07-17	ELECTRO-ACOUSTIC TRANSDUCER
NL7903908A (en)	1979-11-26	ELECTRO-ACOUSTIC TRANSDUCER.
EP0039740A4 (en)	1982-04-22	SPEAKER.
NO802555L (en)	1981-06-22	ACOUSTIC LOGING SYSTEM.
IT8023694A0 (en)	1980-07-25	ULTRASONIC TRANSDUCER.
ES494331A0 (en)	1981-04-01	IMPROVEMENTS IN ELECTROACOUSTIC TRANSDUCERS
FR2466931B1 (en)	1986-05-23	DIRECTIONAL ELECTROACOUSTIC TRANSDUCER
NL7901066A (en)	1979-08-21	MICROPHONE.
DK491680A (en)	1981-05-20	SOUND MUMPING MEASURES
NL191225C (en)	1995-03-16	Electro-acoustic transducer.
IT8119889A0 (en)	1981-02-20	ACOUSTIC TRANSDUCER.
ES496947A0 (en)	1981-12-16	AN ELECTROACOUSTIC TRANSDUCER
BR7902346A (en)	1979-10-23	TRANSDUCER
FI810624A7 (en)	1981-08-30	Electroacoustic transducer.
ATE11478T1 (en)	1985-02-15	PIEZOELECTRICAL TONE TRANSDUCER.
FI811684A7 (en)	1981-12-03	Improved sound generator.
NL7703582A (en)	1977-10-04	ELECTRO-ACOUSTIC TRANSDUCER.
NL7901067A (en)	1979-08-21	MICROPHONE.
IT1080558B (en)	1985-05-16	ELECTROACOUSTIC TRANSDUCER
IT7825444A0 (en)	1978-07-07	PROCEDURE FOR THE EXCITATION OF ELECTROACOUSTIC TRANSDUCERS.
NL7903612A (en)	1979-11-12	TONE LOWER UNIT.
IT8124615A0 (en)	1981-10-21	MAGNETORESISTING TRANSDUCER.
NL7903611A (en)	1979-11-12	TONE LOWER UNIT.

Legal Events

Date	Code	Title	Description
1989-07-15	REN	Ceased due to non-payment of the annual fee