GB2012520B - Speaker - Google Patents

Speaker

Info

Publication number: GB2012520B
Authority: GB; United Kingdom
Prior art keywords: speaker
Prior art date: 1978-01-12
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

GB7900188A

Other versions

GB2012520A (en

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.)

PEERLESS GmbH

Original Assignee

PEERLESS GmbH

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.)

1978-01-12

Filing date

1979-01-03

Publication date

1982-05-26

1979-01-03 Application filed by PEERLESS GmbH filed Critical PEERLESS GmbH

1979-07-25 Publication of GB2012520A publication Critical patent/GB2012520A/en

1982-05-26 Application granted granted Critical

1982-05-26 Publication of GB2012520B publication Critical patent/GB2012520B/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
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
- 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
- H04R9/06—Loudspeakers

Landscapes

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

GB7900188A 1978-01-12 1979-01-03 Speaker Expired GB2012520B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19782801137 DE2801137A1 (en)	1978-01-12	1978-01-12	SPEAKER

Publications (2)

Publication Number	Publication Date
GB2012520A GB2012520A (en)	1979-07-25
GB2012520B true GB2012520B (en)	1982-05-26

Family

ID=6029330

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7900188A Expired GB2012520B (en)	1978-01-12	1979-01-03	Speaker

Country Status (3)

Country	Link
DE (1)	DE2801137A1 (en)
FR (1)	FR2414842A1 (en)
GB (1)	GB2012520B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3070816D1 (en) *	1979-11-09	1985-08-01	Matsushita Electric Ind Co Ltd	Loud-speaker
EP0093736A1 (en) *	1981-11-17	1983-11-16	Linn Products Limited	Loudspeaker assembly
DE3309617A1 (en) *	1983-03-17	1984-09-20	Oskar 6837 St Leon-Rot Knecht	Electro-acoustic transducer
DE3641760A1 (en) *	1986-12-06	1988-06-16	Electronic Werke Deutschland	SPEAKER
DE102013104810A1 (en)	2013-05-08	2014-11-13	Eberspächer Exhaust Technology GmbH & Co. KG	VEHICLE GENERATOR FOR AN ANTI-VALL SYSTEM FOR INFLUENCING EXHAUST VACUUM AND / OR INTAKE NOISE OF A MOTOR VEHICLE

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB163727A (en) *	1919-08-13	1921-06-02	William Travis	Improvements in electrical resistance elements
US1966564A (en) *	1928-04-05	1934-07-17	Schlenker Vesper Anderson	Dynamic sound reproducer
DE833512C (en) *	1950-05-07	1952-03-10	Mix & Genest A G	Bracket for piston oscillator
FR1180456A (en) *	1957-08-01	1959-06-04		Electro-dynamic speaker
US2998496A (en) *	1958-04-29	1961-08-29	Joseph A Hassan	Loudspeaker construction
US3112375A (en) *	1960-01-20	1963-11-26	Mechanies For Electronic Inc	Loudspeaker construction
GB934995A (en) *	1961-05-16	1963-08-21	Goodmans Ind Ltd	Improvements in loudspeakers
US4013846A (en) *	1975-08-28	1977-03-22	Minnesota Mining And Manufacturing Company	Piston loudspeaker
GB1563511A (en) *	1976-03-19	1980-03-26	Harwood H	Diaphragms for electroacoustic transducers

1978
- 1978-01-12 DE DE19782801137 patent/DE2801137A1/en not_active Ceased
1979
- 1979-01-03 GB GB7900188A patent/GB2012520B/en not_active Expired
- 1979-01-11 FR FR7900645A patent/FR2414842A1/en active Granted

Also Published As

Publication number	Publication date
DE2801137A1 (en)	1979-07-19
FR2414842A1 (en)	1979-08-10
FR2414842B1 (en)	1981-03-27
GB2012520A (en)	1979-07-25

Publication	Publication Date	Title
GB2016863B (en)	1982-10-06	Loudspeaker arrangement
GB2028057B (en)	1982-12-22	Loudspeakers
GB2104344B (en)	1983-06-08	Microphone system
JPS54128327A (en)	1979-10-04	Headphone
GB2062408B (en)	1984-02-22	Speaker
GB2035113B (en)	1982-12-15	Fillering aid
JPS5526700A (en)	1980-02-26	Electret
GB2019160B (en)	1982-06-03	Headphones
GB2022362B (en)	1982-06-16	Speaker
HK30383A (en)	1983-09-02	Elecret microphone
GB2036505B (en)	1983-04-13	Ear-supported microphone
GB2045578B (en)	1983-05-05	Speaker device
GB2012520B (en)	1982-05-26	Speaker
JPS54111329A (en)	1979-08-31	Speaker
GB2037534B (en)	1983-02-16	Loudspeakers
JPS5591297A (en)	1980-07-10	Loudspeaker
JPS54107726A (en)	1979-08-23	Speaker
JPS54118230A (en)	1979-09-13	Speaker
JPS54109824A (en)	1979-08-28	Speaker
JPS557757A (en)	1980-01-19	Voice discriminater
JPS5497013A (en)	1979-07-31	Speaker device
JPS54118232A (en)	1979-09-13	Speaker
JPS54118231A (en)	1979-09-13	Speaker
JPS54109825A (en)	1979-08-28	Speaker
JPS54111328A (en)	1979-08-31	Speaker

Legal Events

Date	Code	Title	Description
1993-09-01	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930103