FR2472899B1 - ELECTRO-ACOUSTIC TRANSDUCER - Google Patents

ELECTRO-ACOUSTIC TRANSDUCER

Info

Publication number: FR2472899B1
Authority: FR; France
Prior art keywords: electro; acoustic transducer; acoustic; transducer
Prior art date: 1979-12-31
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

FR8027358A

Other languages

French (fr)

Other versions

FR2472899A1 (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.)

Sony Corp

Original Assignee

Sony 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.)

1979-12-31

Filing date

1980-12-23

Publication date

1985-09-13

1980-12-23 Application filed by Sony Corp filed Critical Sony Corp

1981-07-03 Publication of FR2472899A1 publication Critical patent/FR2472899A1/en

1985-09-13 Application granted granted Critical

1985-09-13 Publication of FR2472899B1 publication Critical patent/FR2472899B1/en

Status Expired legal-status Critical Current

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
- H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
- 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

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Headphones And Earphones (AREA)

FR8027358A 1979-12-31 1980-12-23 ELECTRO-ACOUSTIC TRANSDUCER Expired FR2472899B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP54172668A JPS6028200B2 (en)	1979-12-31	1979-12-31	electroacoustic transducer

Publications (2)

Publication Number	Publication Date
FR2472899A1 FR2472899A1 (en)	1981-07-03
FR2472899B1 true FR2472899B1 (en)	1985-09-13

Family

ID=15946149

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8027358A Expired FR2472899B1 (en)	1979-12-31	1980-12-23	ELECTRO-ACOUSTIC TRANSDUCER

Country Status (11)

Country	Link
JP (1)	JPS6028200B2 (en)
AT (1)	AT369940B (en)
AU (1)	AU540983B2 (en)
BR (1)	BR8008627A (en)
CA (1)	CA1160732A (en)
DE (1)	DE3048779A1 (en)
ES (1)	ES498231A0 (en)
FR (1)	FR2472899B1 (en)
GB (2)	GB2067378B (en)
IT (1)	IT1146224B (en)
NL (1)	NL191225C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58173998U (en) *	1982-05-14	1983-11-21	シャープ株式会社	electrodynamic speaker
JPS5920797U (en) *	1982-07-26	1984-02-08	シャープ株式会社	electrodynamic speaker
JPS62121900U (en) *	1986-01-24	1987-08-03
JP2674777B2 (en) *	1988-04-15	1997-11-12	松下電工株式会社	Scanner for light beam scanning
NO169210C (en) *	1989-07-06	1992-05-20	Nha As	ELECTRODYNAMIC AUDIO FOR HEARING DEVICE.
DE4243308C2 (en) *	1992-12-21	1996-08-22	Sennheiser Electronic	Dynamic electro-acoustic transducer, especially headphones
DE4434630A1 (en) *	1994-09-28	1996-04-04	Nokia Deutschland Gmbh	UV adhesive for fixing coated wires in a moving coil of loudspeaker
DE19630169A1 (en) *	1996-07-26	1998-01-29	Nokia Deutschland Gmbh	Voice coil contact arrangement
JP2005505982A (en) *	2001-10-04	2005-02-24	コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ	Electroacoustic transducer having a movable coil and a movable holding element for connecting leads of the movable coil
JP4159408B2 (en)	2003-05-26	2008-10-01	パイオニア株式会社	Speaker
ITBO20110356A1 (en)	2011-06-21	2012-12-22	Gd Spa	WHEELING UNIT OF A WRAPPING MATERIAL TAPE
DE102015201940A1 (en) *	2015-02-04	2016-08-04	Sennheiser Electronic Gmbh & Co. Kg	Electrodynamic transducer
JP2019161542A (en) *	2018-03-15	2019-09-19	オンキヨー株式会社	Diaphragm, speaker unit including the same, headphone, earphone, and method of manufacturing diaphragm
WO2020183865A1 (en) *	2019-03-13	2020-09-17	アンデン株式会社	Sound generator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB776280A (en) *	1954-05-26	1957-06-05	Cole E K Ltd	Improvements in or relating to moving coil loudspeakers and microphones
US3032615A (en) *	1960-02-02	1962-05-01	Rca Corp	Acoustic devices
US3284581A (en) *	1963-06-03	1966-11-08	Columbia Broadcasting Syst Inc	Loud speaker construction
DE1907850U (en) *	1964-06-05	1965-01-07	Blaupunkt Werke Gmbh	LOUDSPEAKER WITH LEADS TO A VOICE COIL.
NL6712007A (en) *	1967-08-31	1969-03-04
AU414741B2 (en) *	1968-06-26	1971-07-09	Girling Limited	Improvements in vehicle braking systems
DE1951162A1 (en) *	1969-10-10	1971-04-22	Witt Horst C	Work platform for the construction of chimneys or the like.

1979
- 1979-12-31 JP JP54172668A patent/JPS6028200B2/en not_active Expired
1980
- 1980-12-18 GB GB8040668A patent/GB2067378B/en not_active Expired
- 1980-12-18 GB GB8118364A patent/GB2076257B/en not_active Expired
- 1980-12-18 AU AU65526/80A patent/AU540983B2/en not_active Ceased
- 1980-12-22 NL NL8006984A patent/NL191225C/en not_active IP Right Cessation
- 1980-12-23 FR FR8027358A patent/FR2472899B1/en not_active Expired
- 1980-12-23 CA CA000367435A patent/CA1160732A/en not_active Expired
- 1980-12-23 DE DE19803048779 patent/DE3048779A1/en active Granted
- 1980-12-23 AT AT0630380A patent/AT369940B/en not_active IP Right Cessation
- 1980-12-29 IT IT50471/80A patent/IT1146224B/en active
- 1980-12-30 ES ES498231A patent/ES498231A0/en active Granted
- 1980-12-30 BR BR8008627A patent/BR8008627A/en unknown

Also Published As

Publication number	Publication date
NL8006984A (en)	1981-08-03
AU6552680A (en)	1981-07-09
IT8050471A0 (en)	1980-12-29
ES8204902A1 (en)	1982-05-01
DE3048779C2 (en)	1989-01-12
NL191225B (en)	1994-10-17
NL191225C (en)	1995-03-16
JPS6028200B2 (en)	1985-07-03
GB2067378A (en)	1981-07-22
BR8008627A (en)	1981-07-28
GB2067378B (en)	1983-12-21
DE3048779A1 (en)	1981-09-17
ATA630380A (en)	1982-06-15
FR2472899A1 (en)	1981-07-03
JPS5698097A (en)	1981-08-07
CA1160732A (en)	1984-01-17
AT369940B (en)	1983-02-10
AU540983B2 (en)	1984-12-13
GB2076257A (en)	1981-11-25
GB2076257B (en)	1983-11-30
IT1146224B (en)	1986-11-12
ES498231A0 (en)	1982-05-01

Publication	Publication Date	Title
DK416277A (en)	1978-03-22	ELECTRO-ACOUSTIC TRANSDUCER
DE3062506D1 (en)	1983-05-05	An improved electro-acoustic transducer element
KR840005297A (en)	1984-11-05	Electroacoustic transducer
NL7903908A (en)	1979-11-26	ELECTRO-ACOUSTIC TRANSDUCER.
BR8006417A (en)	1981-04-14	DISPLACEMENT TRANSDUCER
FR2462837B1 (en)	1986-05-23	ULTRASONIC TRANSDUCER
AR216604A1 (en)	1979-12-28	ELECTROACOUSTIC TRANSDUCER
ES494331A0 (en)	1981-04-01	IMPROVEMENTS IN ELECTROACOUSTIC TRANSDUCERS
FR2466931B1 (en)	1986-05-23	DIRECTIONAL ELECTROACOUSTIC TRANSDUCER
BE886850A (en)	1981-04-16	MAGNETIC TRANSDUCER
DK491680A (en)	1981-05-20	SOUND MUMPING MEASURES
FR2472899B1 (en)	1985-09-13	ELECTRO-ACOUSTIC TRANSDUCER
ES496947A0 (en)	1981-12-16	AN ELECTROACOUSTIC TRANSDUCER
BR7902346A (en)	1979-10-23	TRANSDUCER
JPS5696599A (en)	1981-08-04	Electroacoustic transducer
FI801064A (en)	1980-10-10	SOUND SOLARS KLAEMMA FOER ISOLERADE LEDNINGAR
BR8005981A (en)	1981-03-31	PIEZOELECTRIC TRANSDUCER
IT1080558B (en)	1985-05-16	ELECTROACOUSTIC TRANSDUCER
AT383682B (en)	1987-08-10	Force transducer
BE895154Q (en)	1983-03-16	FORCE TRANSDUCER
BR8005910A (en)	1981-03-31	ELECTRIC ACOUSTIC TRANSDUCERS
IT1154054B (en)	1987-01-21	ELECTROACOUSTIC TRANSDUCER
AR216250A1 (en)	1979-11-30	ELECTROACOUSTIC TRANSDUCER
AR228018A1 (en)	1983-01-14	ELECTROACOUSTIC TRANSDUCER
FR2521380B2 (en)	1987-11-27	ACOUSTIC TRANSDUCER