BE849303A - TRANDUCTOR. - Google Patents

TRANDUCTOR.

Info

Publication number: BE849303A
Authority: BE; Belgium
Prior art keywords: tranductor
Prior art date: 1975-12-11

Application number

BE173173A

Other languages

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.)

1975-12-11

Filing date

1976-12-10

Publication date

1977-04-01

1976-12-10 Application filed filed Critical

1977-04-01 Publication of BE849303A publication Critical patent/BE849303A/en

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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane

Landscapes

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

BE173173A 1975-12-11 1976-12-10 TRANDUCTOR. BE849303A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB5081275A GB1545517A (en)	1975-12-11	1975-12-11	Transducer

Publications (1)

Publication Number	Publication Date
BE849303A true BE849303A (en)	1977-04-01

Family

ID=10457472

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE173173A BE849303A (en)	1975-12-11	1976-12-10	TRANDUCTOR.

Country Status (6)

Country	Link
JP (1)	JPS5292507A (en)
BE (1)	BE849303A (en)
DE (1)	DE2656068A1 (en)
FR (1)	FR2335118A1 (en)
GB (1)	GB1545517A (en)
NL (1)	NL7613813A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2037535B (en) *	1978-12-14	1983-01-12	Rank Organisation Ltd	Moving coil transducers
DE3301848C2 (en) *	1983-01-20	1984-11-08	Siemens AG, 1000 Berlin und 8000 München	Ultrasonic transducer
US4536673A (en) *	1984-01-09	1985-08-20	Siemens Aktiengesellschaft	Piezoelectric ultrasonic converter with polyurethane foam damper
GB9404585D0 (en) *	1994-03-08	1994-04-20	Smith Jonathan N	Loudspeaker
GB2301507B (en) *	1994-03-08	1997-11-19	Jonathan Neil Smith	Electromagnetic loudspeaker
WO1999026451A1 (en) *	1996-06-10	1999-05-27	Masanao Okuda	Thin electromagnetic transducer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1815564A (en) *	1929-06-13	1931-07-21	Westinghouse Electric & Mfg Co	Translating device
US3674946A (en) *	1970-12-23	1972-07-04	Magnepan Inc	Electromagnetic transducer
US3873784A (en) *	1973-03-29	1975-03-25	Audio Arts Inc	Acoustic transducer

1975
- 1975-12-11 GB GB5081275A patent/GB1545517A/en not_active Expired
1976
- 1976-12-10 FR FR7637247A patent/FR2335118A1/en active Granted
- 1976-12-10 DE DE19762656068 patent/DE2656068A1/en not_active Ceased
- 1976-12-10 BE BE173173A patent/BE849303A/en not_active IP Right Cessation
- 1976-12-11 JP JP14930076A patent/JPS5292507A/en active Pending
- 1976-12-13 NL NL7613813A patent/NL7613813A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE2656068A1 (en)	1977-06-23
JPS5292507A (en)	1977-08-04
FR2335118A1 (en)	1977-07-08
FR2335118B1 (en)	1982-04-23
GB1545517A (en)	1979-05-10
NL7613813A (en)	1977-06-14

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Legal Events

Date

Code

Title

Description

1987-06-30

RE

Patent lapsed

Owner name: WHARFEDALE LTD

Effective date: 19861231