BE759888A - Transducteur electro-acoustique, notamment microphone pour installations telephoniques - Google Patents

Transducteur electro-acoustique, notamment microphone pour installations telephoniques

Info

Publication number: BE759888A
Authority: BE; Belgium
Prior art keywords: electro; acoustic transducer; telephone systems; especially microphone; microphone
Prior art date: 1969-12-05

Application number

Other languages

English (en)

French (fr)

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.)

1969-12-05

Publication date

1971-06-04

1971-06-04 Publication of BE759888A publication Critical patent/BE759888A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

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

BE759888D 1969-12-05 Transducteur electro-acoustique, notamment microphone pour installations telephoniques BE759888A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE1961217A DE1961217C3 (de)	1969-12-05	1969-12-05	Elektroakustischer Wandler, insbesondere Mikrofon für Fernsprechanlagen

Publications (1)

Publication Number	Publication Date
BE759888A true BE759888A (fr)	1971-06-04

Family

ID=5753162

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE759888D BE759888A (fr)	1969-12-05		Transducteur electro-acoustique, notamment microphone pour installations telephoniques

Country Status (13)

Country	Link
AT (1)	AT308860B (de)
BE (1)	BE759888A (de)
BG (1)	BG20138A3 (de)
BR (1)	BR7024166D0 (de)
CH (1)	CH522995A (de)
DE (1)	DE1961217C3 (de)
FI (1)	FI56601C (de)
FR (1)	FR2070741B1 (de)
GB (1)	GB1293670A (de)
LU (1)	LU62172A1 (de)
NL (1)	NL172504C (de)
SE (1)	SE366190B (de)
ZA (1)	ZA708029B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2119911B2 (de) *	1971-04-23	1973-11-15	Siemens Ag, 1000 Berlin U. 8000 Muenchen	Elektroakustischer Wandler, insbe sondere Mikrofon fur Fernsprechanlagen
DE2831411C2 (de) *	1978-07-17	1983-10-06	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Elektroakustischer Wandler mit mit piezoelektrischer Schicht versehener Membran
DE2937922A1 (de) *	1979-09-19	1981-04-09	Siemens AG, 1000 Berlin und 8000 München	Piezoelektrischer wandler
DE3005708C2 (de) *	1980-02-15	1984-08-30	Siemens AG, 1000 Berlin und 8000 München	Wandlerplatte für piezoelektrische Wandler
DE3425173A1 (de) *	1984-07-09	1986-01-16	Fernsprech- und Signalbaugesellschaft mbH Schüler & Vershoven, 4300 Essen	Piezoelektrische fernsprechkapsel
DE3425176A1 (de) *	1984-07-09	1986-02-20	Fernsprech Und Signalbau Kg Sc	Piezoelektrische fernsprechkapsel
DE3518819A1 (de) *	1985-05-24	1986-11-27	Siemens AG, 1000 Berlin und 8000 München	Elektroakustischer wandler
DE3609461A1 (de) *	1986-03-20	1987-09-24	Siemens Ag	Elektroakustischer wandler
DE8712014U1 (de) *	1987-09-04	1987-10-29	Chen, Ding Pang, Taipeh/T'ai-pei	Umfangselement für einen Lautsprecher
CN1015289B (zh) *	1988-08-10	1992-01-01	西门子公司	电声转换器
CN114390405B (zh) *	2021-12-10	2023-11-28	深圳羽声电子有限公司	一种振动膜及使用其的音箱

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB112333A (en) *	1917-01-24	1918-01-10	Alexander Marr	Improvements in or relating to Apparatus for the Reproduction of Sounds.
FR1334235A (fr) *	1961-09-29	1963-08-02	Siemens Ag	Transformateur électro-acoustique
DE1288146B (de) *	1962-10-31	1969-01-30	Siemens Ag	Elektroakustischer Wandler

0
- BE BE759888D patent/BE759888A/xx not_active IP Right Cessation
1969
- 1969-12-05 DE DE1961217A patent/DE1961217C3/de not_active Expired
1970
- 1970-11-05 CH CH1639370A patent/CH522995A/de not_active IP Right Cessation
- 1970-11-11 AT AT1015070A patent/AT308860B/de not_active IP Right Cessation
- 1970-11-17 GB GB54534/70D patent/GB1293670A/en not_active Expired
- 1970-11-18 BG BG016089A patent/BG20138A3/xx unknown
- 1970-11-25 NL NLAANVRAGE7017251,A patent/NL172504C/xx not_active IP Right Cessation
- 1970-11-26 BR BR224166/70A patent/BR7024166D0/pt unknown
- 1970-11-26 ZA ZA708029A patent/ZA708029B/xx unknown
- 1970-12-03 FR FR7043478A patent/FR2070741B1/fr not_active Expired
- 1970-12-03 FI FI3263/70A patent/FI56601C/fi active
- 1970-12-03 LU LU62172D patent/LU62172A1/xx unknown
- 1970-12-07 SE SE16544/70A patent/SE366190B/xx unknown

Also Published As

Publication number	Publication date
BR7024166D0 (pt)	1973-01-09
NL172504C (nl)	1983-09-01
DE1961217C3 (de)	1978-08-24
GB1293670A (en)	1972-10-18
NL172504B (nl)	1983-04-05
FI56601C (fi)	1980-02-11
LU62172A1 (de)	1971-05-12
NL7017251A (de)	1971-06-08
CH522995A (de)	1972-05-15
AT308860B (de)	1973-07-25
FR2070741A1 (de)	1971-09-17
DE1961217A1 (de)	1971-06-16
DE1961217B2 (de)	1972-10-12
SE366190B (de)	1974-04-08
FI56601B (fi)	1979-10-31
BG20138A3 (bg)	1975-10-30
ZA708029B (en)	1971-08-25
FR2070741B1 (de)	1976-03-19

Similar Documents

Publication	Publication Date	Title
BE801282A (fr)	1973-12-26	Casque telephonique
NL7409685A (nl)	1975-01-27	Elektrostatische microfoon of telefoon.
CA949674A (en)	1974-06-18	Electrostatic electroacoustic transducer
CA933277A (en)	1973-09-04	Electrostatic electroacoustic transducer
BE759888A (fr)	1971-06-04	Transducteur electro-acoustique, notamment microphone pour installations telephoniques
NL155162B (nl)	1977-11-15	Piezo-elektrische microfoon.
BE756400A (fr)	1971-03-01	Enceinte acoustique
ATA312972A (de)	1975-01-15	Elektrodynamisches mikrophon
IT978221B (it)	1974-09-20	Trasduttore elettroacustico spe cialmente microfono per impian ti telefonici
CA948304A (en)	1974-05-28	Acoustical transducers
BE782498R (fr)	1972-10-23	Transducteur electroacoustique, notamment microphone pour installation
SE7508032L (sv)	1976-01-19	Kopplingsanordning for knappstyrda telefon-, duplextelefon- eller hogtalaranleggningar
AT318029B (de)	1974-09-25	Elektroakustischer Wandler, insbesondere Mikrophon für Fernsprechanlagen
CH528129A (fr)	1972-09-15	Enceinte acoustique pour dispositifs de reproduction sonore
BE754249A (fr)	1971-02-01	Montage pour installations de telecommunications, notamment pour centraux telephoniques
ZA705816B (en)	1971-04-28	An electrostatic electroacoustic transducer
BE756414A (fr)	1971-03-01	Circuit acoustique perfectionne pour transducteurs electro-acoustiques
CA802338A (en)	1968-12-24	Acoustic signalling means particularly for telephone sets
ES158716Y (es)	1971-04-01	Un aparato acustico de senales.
FR1442852A (fr)	1966-06-17	Transducteur acoustique pour combiné téléphonique
BE800139A (fr)	1973-09-17	Combines telephoniques, microphones et appareils similaires
AU410849B2 (en)	1968-01-18	Acoustic signalling means particularly for telephone sets
AU411997B2 (en)	1971-04-29	Electret transducer
NL149920B (nl)	1976-06-15	Inrichting voor gesproken tijdmelding.
CH425897A (it)	1966-12-15	Disco disinfettante per microfono o per ricevitore telefonico

Legal Events

Date	Code	Title	Description
1988-06-30	RE	Patent lapsed	Owner name: SIEMENS A.G. Effective date: 19871231

Date

Code

Title

Description

1988-06-30

Patent lapsed

Owner name: SIEMENS A.G.

Effective date: 19871231