EP0411671A3 - Acoustic apparatus - Google Patents

Acoustic apparatus Download PDF

Info

Publication number: EP0411671A3
Authority: EP; European Patent Office
Prior art keywords: acoustic apparatus; acoustic
Prior art date: 1989-08-04
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.): Granted

Application number

EP19900115030

Other versions

EP0411671B1 (en

EP0411671A2 (en

Inventor

Hiroshi Ono

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.)

GEN ENGINEERING Co Ltd

Original Assignee

Individual

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.)

1989-08-04

Filing date

1990-08-03

Publication date

1991-10-09

1989-08-04 Priority claimed from JP1202601A external-priority patent/JPH0832113B2/en

1989-08-04 Priority claimed from JP1202602A external-priority patent/JP2542563B2/en

1990-04-25 Priority claimed from JP2107441A external-priority patent/JPH046599A/en

1990-08-03 Application filed by Individual filed Critical Individual

1991-02-06 Publication of EP0411671A2 publication Critical patent/EP0411671A2/en

1991-10-09 Publication of EP0411671A3 publication Critical patent/EP0411671A3/en

1998-05-13 Application granted granted Critical

1998-05-13 Publication of EP0411671B1 publication Critical patent/EP0411671B1/en

2010-08-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

EP19900115030 1989-08-04 1990-08-03 Acoustic apparatus Expired - Lifetime EP0411671B1 (en)

Applications Claiming Priority (6)

Application Number	Priority Date	Filing Date	Title
JP202601/89		1989-08-04
JP202602/89		1989-08-04
JP1202601A JPH0832113B2 (en)	1989-08-04	1989-08-04	Hearing aid
JP1202602A JP2542563B2 (en)	1989-08-04	1989-08-04	Audio equipment
JP107441/90		1990-04-25
JP2107441A JPH046599A (en)	1990-04-25	1990-04-25	Acoustic device

Publications (3)

Publication Number	Publication Date
EP0411671A2 EP0411671A2 (en)	1991-02-06
EP0411671A3 true EP0411671A3 (en)	1991-10-09
EP0411671B1 EP0411671B1 (en)	1998-05-13

Family

ID=27310975

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19900115030 Expired - Lifetime EP0411671B1 (en)	1989-08-04	1990-08-03	Acoustic apparatus

Country Status (3)

Country	Link
EP (1)	EP0411671B1 (en)
CA (1)	CA2022002C (en)
DE (1)	DE69032304T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9084047B2 (en) *	2013-03-15	2015-07-14	Richard O'Polka	Portable sound system
US10149058B2 (en)	2013-03-15	2018-12-04	Richard O'Polka	Portable sound system
WO2020230462A1 (en)	2019-05-13	2020-11-19	ソニー株式会社	Acoustic reflector, speaker unit, and chair
CN114991327B (en) *	2022-06-30	2023-04-14	中国矿业大学	Sound insulation and noise reduction device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1782801A (en) *	1929-02-16	1930-11-25	Baehn Frederick	Radio loud-speaker
US2643727A (en) *	1950-01-31	1953-06-30	Elipson S A	Sound transmitting device with an ellipsoidal reflector
DE2508494A1 (en) *	1975-02-27	1976-09-02	Hansrichard Dipl Phys D Schulz	Focuser for electromagnetic or mechanical waves - for therapeutic local hyper therapy of human tissue with ultrasonic or microwaves
GB1561164A (en) *	1977-03-14	1980-02-13	Electro Controls Inc	Light-collecting reflector and stage-lighting spotlight
US4421200A (en) *	1981-12-16	1983-12-20	Ferralli Michael W	Elliptically shaped transducer enclosure

1990
- 1990-07-26 CA CA 2022002 patent/CA2022002C/en not_active Expired - Fee Related
- 1990-08-03 DE DE1990632304 patent/DE69032304T2/en not_active Expired - Fee Related
- 1990-08-03 EP EP19900115030 patent/EP0411671B1/en not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1782801A (en) *	1929-02-16	1930-11-25	Baehn Frederick	Radio loud-speaker
US2643727A (en) *	1950-01-31	1953-06-30	Elipson S A	Sound transmitting device with an ellipsoidal reflector
DE2508494A1 (en) *	1975-02-27	1976-09-02	Hansrichard Dipl Phys D Schulz	Focuser for electromagnetic or mechanical waves - for therapeutic local hyper therapy of human tissue with ultrasonic or microwaves
GB1561164A (en) *	1977-03-14	1980-02-13	Electro Controls Inc	Light-collecting reflector and stage-lighting spotlight
US4421200A (en) *	1981-12-16	1983-12-20	Ferralli Michael W	Elliptically shaped transducer enclosure

Also Published As

Publication number	Publication date
EP0411671B1 (en)	1998-05-13
CA2022002A1 (en)	1991-02-05
DE69032304D1 (en)	1998-06-18
EP0411671A2 (en)	1991-02-06
DE69032304T2 (en)	1999-02-04
CA2022002C (en)	1999-10-05

Publication	Publication Date	Title
GB2235229B (en)	1993-04-28	Well apparatus
GB2262789B (en)	1993-10-06	Well apparatus
EP0430513A3 (en)	1992-03-04	Microphone apparatus
GB2236369B (en)	1993-05-12	Connection apparatus
EP0406773A3 (en)	1991-03-06	Auto-playing apparatus
EP0413406A3 (en)	1991-07-17	Zone-forming apparatus
EP0434006A3 (en)	1991-08-28	Auto-playing apparatus
GB8929300D0 (en)	1990-02-28	Apparatus
GB8912832D0 (en)	1989-07-19	Bale-wrapper apparatus
GB8900030D0 (en)	1989-03-01	Apparatus
HUT56038A (en)	1991-07-29	Chip-transporting apparatus
GB2270306B (en)	1994-05-25	Feeder-folder apparatus
GB2228899B (en)	1993-08-11	Date-stamping apparatus
EP0411671A3 (en)	1991-10-09	Acoustic apparatus
GB8905616D0 (en)	1989-04-26	Egg-cleaning apparatus
EP0435337A3 (en)	1991-10-09	Acoustic apparatus
GB2238420B (en)	1994-06-01	Acoustic device
GB8906045D0 (en)	1989-04-26	Apparatus
HUT56040A (en)	1991-07-29	Chip-transporting apparatus
GB8929065D0 (en)	1990-02-28	Apparatus
HU908281D0 (en)	1991-06-28	Meat-smoking apparatus
EP0429264A3 (en)	1992-03-04	Microphone apparatus
GB8924453D0 (en)	1989-12-20	Metronmic apparatus
IL89638A0 (en)	1989-09-28	Acoustic insulation apparatus
GB8918790D0 (en)	1989-09-27	Cracker-making apparatus

Legal Events

Date	Code	Title	Description
1990-12-22	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
1991-02-06	17P	Request for examination filed	Effective date: 19900803
1991-02-06	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1991-08-22	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-10-09	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1994-03-09	17Q	First examination report despatched	Effective date: 19940121
1995-05-31	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: GEN ENGINEERING CO., LTD.
1997-06-26	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1997-11-06	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1997-11-06	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1998-02-19	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1998-03-27	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1998-05-13	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1998-05-13	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT Effective date: 19980513
1998-06-18	REF	Corresponds to:	Ref document number: 69032304 Country of ref document: DE Date of ref document: 19980618
1998-07-10	ET	Fr: translation filed
1998-07-29	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19980729 Year of fee payment: 9
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1999-03-19	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1999-03-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1999-05-06	26N	No opposition filed
1999-08-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990803
2000-03-22	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19990803
2000-04-28	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000428
2000-06-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000601
2000-07-28	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST