DE3273600D1 - Electrodynamic transducer - Google Patents

Electrodynamic transducer

Info

Publication number: DE3273600D1
Authority: DE; Germany
Prior art keywords: electrodynamic transducer; electrodynamic; transducer
Prior art date: 1981-12-10
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.): Expired

Application number

DE8282111252T

Other languages

German (de)

Inventor

Kai Borge Hansen

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.)

Pulse HVT ApS

Original Assignee

International Standard Electric Corp

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.)

1981-12-10

Filing date

1982-12-04

Publication date

1986-11-06

1982-12-04 Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp

1986-11-06 Application granted granted Critical

1986-11-06 Publication of DE3273600D1 publication Critical patent/DE3273600D1/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/10—Telephone receivers
- 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

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

DE8282111252T 1981-12-10 1982-12-04 Electrodynamic transducer Expired DE3273600D1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DK547381A DK148550C (en)	1981-12-10	1981-12-10	ELECTRODYNAMIC TRANSDUCER WITH MOBILE COIL

Publications (1)

Publication Number	Publication Date
DE3273600D1 true DE3273600D1 (en)	1986-11-06

Family

ID=8142738

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8282111252T Expired DE3273600D1 (en)	1981-12-10	1982-12-04	Electrodynamic transducer

Country Status (5)

Country	Link
EP (1)	EP0081780B1 (en)
AU (1)	AU556443B2 (en)
DE (1)	DE3273600D1 (en)
DK (1)	DK148550C (en)
NZ (1)	NZ202625A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3530869A1 (en) *	1985-08-29	1987-03-12	Sennheiser Electronic	Diaphragm for an electro-acoustic reproduction transducer
DK164621C (en) *	1989-10-09	1992-12-07	Kirk Acoustics As	ELECTRODYNAMIC TRANSDUCER
KR101539161B1 (en)	2011-02-25	2015-07-23	노키아 코포레이션	A transducer apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE347485A (en) *	1925-01-09
DE864269C (en) *	1948-10-31	1953-01-22	Charlotte Thomson	Electrodynamic voice coil with self-cooling
NL111663C (en) *	1956-10-11
BE562680A (en) *	1956-11-26
DE1230858B (en) *	1960-06-22	1966-12-22	Siemens Ag	Diaphragm for an electroacoustic transducer
DE1762676A1 (en) *	1968-08-02	1970-07-02	Peerles Mb Gmbh Feinmechanik U	Membrane for microphone system with omnidirectional characteristics or loudspeaker system
DE2322475C2 (en) *	1972-02-09	1981-10-08	Fernsprech- Und Signalbau Lehner & Co Kg, 4300 Essen	Electroacoustic transducer, in particular for speech and earphone capsules for telephone sets

1981
- 1981-12-10 DK DK547381A patent/DK148550C/en not_active IP Right Cessation
1982
- 1982-11-26 NZ NZ20262582A patent/NZ202625A/en unknown
- 1982-12-04 EP EP19820111252 patent/EP0081780B1/en not_active Expired
- 1982-12-04 DE DE8282111252T patent/DE3273600D1/en not_active Expired
- 1982-12-06 AU AU91132/82A patent/AU556443B2/en not_active Ceased

Also Published As

Publication number	Publication date
AU556443B2 (en)	1986-11-06
EP0081780A1 (en)	1983-06-22
DK547381A (en)	1983-06-11
DK148550C (en)	1986-04-21
EP0081780B1 (en)	1986-10-01
NZ202625A (en)	1985-08-16
DK148550B (en)	1985-07-29
AU9113282A (en)	1983-06-16

Publication	Publication Date	Title
DE3265798D1 (en)	1985-10-03	Mixed electroacoustic transducer
DE3364454D1 (en)	1986-08-21	Electroacoustic transducer
GB2138144B (en)	1986-07-16	Cardio-respiration transducer
GB2114397B (en)	1985-07-24	Flat-diaphragm electrodynamic transducer
GB8314336D0 (en)	1983-06-29	Electroacoustic transducer
GB2153629B (en)	1986-01-02	Electroacoustic transducer
GB8322886D0 (en)	1983-09-28	Transducer means
GB2164226B (en)	1987-03-18	Electroacoustic transducer
US4473722B1 (en)	1995-06-20	Electroacoustic transducers
GB8321609D0 (en)	1983-09-14	Transducer
GB2100005B (en)	1985-09-11	Force transducer
GB8309904D0 (en)	1983-05-18	Transducer
EP0168011A3 (en)	1988-07-13	Electrodynamic transducer
GB2110901B (en)	1985-09-25	Electronstatic transducer
DE3269415D1 (en)	1986-04-03	Electroacoustic transducer
GB2094099B (en)	1984-12-05	Loudspeaker
GB8320398D0 (en)	1983-09-01	Transducer
DE3269854D1 (en)	1986-04-17	Force transducers
GB2123651B (en)	1986-08-06	Transducers
GB2151025B (en)	1987-10-07	Transducer
DE3162963D1 (en)	1984-05-10	Electroacoustic transducers
DE3276146D1 (en)	1987-05-27	Loudspeaker
GB8530701D0 (en)	1986-01-22	Electrodynamic transducers
GB2094097B (en)	1985-06-05	Vibration transducer
DE3273600D1 (en)	1986-11-06	Electrodynamic transducer

Legal Events

Date	Code	Title	Description
1987-10-29	8364	No opposition during term of opposition
1989-09-28	8327	Change in the person/name/address of the patent owner	Owner name: ALCATEL N.V., AMSTERDAM, NL
1989-09-28	8328	Change in the person/name/address of the agent	Free format text: THIELE, D., DIPL.-ING., 7000 STUTTGART
1992-12-24	8128	New person/name/address of the agent	Representative=s name: MEISSNER, P., DIPL.-ING. PRESTING, H., DIPL.-ING.,
1992-12-24	8327	Change in the person/name/address of the patent owner	Owner name: KIRK ACOUSTICS A/S, HORSENS, DK
1999-01-14	8339	Ceased/non-payment of the annual fee