EP0429264A3 - Microphone apparatus - Google Patents

Microphone apparatus Download PDF

Info

Publication number: EP0429264A3
Authority: EP; European Patent Office
Prior art keywords: microphone apparatus; microphone
Prior art date: 1989-11-20
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19900312516

Other versions

EP0429264A2 (en

Inventor

Kiminori Ono

Michio Matsumoto

Hiroyuki Naono

Hiroshi Kobayashi

Yuuji Yamashina

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.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electric Industrial Co Ltd

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.)

1989-11-20

Filing date

1990-11-16

Publication date

1992-03-04

1990-11-16 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

1991-05-29 Publication of EP0429264A2 publication Critical patent/EP0429264A2/en

1992-03-04 Publication of EP0429264A3 publication Critical patent/EP0429264A3/en

Status Withdrawn legal-status Critical Current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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/01—Noise reduction using microphones having different directional characteristics
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/07—Mechanical or electrical reduction of wind noise generated by wind passing a microphone

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Circuit For Audible Band Transducer (AREA)
Details Of Audible-Bandwidth Transducers (AREA)
Telephone Set Structure (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

EP19900312516 1989-11-20 1990-11-16 Microphone apparatus Withdrawn EP0429264A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP1301699A JPH03162100A (en)	1989-11-20	1989-11-20	Microphone equipment and video integration camera mounted with the microphone equipment
JP301699/89		1989-11-20

Publications (2)

Publication Number	Publication Date
EP0429264A2 EP0429264A2 (en)	1991-05-29
EP0429264A3 true EP0429264A3 (en)	1992-03-04

Family

ID=17900089

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19900312516 Withdrawn EP0429264A3 (en)	1989-11-20	1990-11-16	Microphone apparatus

Country Status (3)

Country	Link
EP (1)	EP0429264A3 (en)
JP (1)	JPH03162100A (en)
KR (1)	KR910011082A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE29902393U1 (en) *	1999-02-10	2000-07-20	Peiker, Andreas, 61381 Friedrichsdorf	Device for detecting sound waves in a vehicle
JP2003249003A (en) *	2002-02-25	2003-09-05	Canon Inc	Recorder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3102530A1 (en) *	1980-01-28	1981-11-26	Victor Company Of Japan, Ltd., Yokohama, Kanagawa	VARIABLE ALIGNMENT MICROPHONE SYSTEM
EP0084982A2 (en) *	1982-01-27	1983-08-03	Racal Acoustics Limited	Improvements in and relating to communications systems
US4442323A (en) *	1980-07-19	1984-04-10	Pioneer Electronic Corporation	Microphone with vibration cancellation

1989
- 1989-11-20 JP JP1301699A patent/JPH03162100A/en active Pending
1990
- 1990-11-16 EP EP19900312516 patent/EP0429264A3/en not_active Withdrawn
- 1990-11-20 KR KR1019900018825A patent/KR910011082A/en not_active Application Discontinuation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3102530A1 (en) *	1980-01-28	1981-11-26	Victor Company Of Japan, Ltd., Yokohama, Kanagawa	VARIABLE ALIGNMENT MICROPHONE SYSTEM
US4442323A (en) *	1980-07-19	1984-04-10	Pioneer Electronic Corporation	Microphone with vibration cancellation
EP0084982A2 (en) *	1982-01-27	1983-08-03	Racal Acoustics Limited	Improvements in and relating to communications systems

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS. vol. 36, no. 3, August 1990, NEW YORK US K. ONO ET AL.: 'NOISE-CANCELLING MICROPHONE FOR VIDEO CAMERAS' *

Also Published As

Publication number	Publication date
EP0429264A2 (en)	1991-05-29
KR910011082A (en)	1991-06-29
JPH03162100A (en)	1991-07-12

Legal Events

Date	Code	Title	Description
1991-04-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-05-29	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB NL
1992-01-16	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-03-04	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB NL
1992-11-11	17P	Request for examination filed	Effective date: 19920814
1994-06-22	17Q	First examination report despatched	Effective date: 19940510
1995-01-25	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1995-03-15	18D	Application deemed to be withdrawn	Effective date: 19940921

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