NO169930C - Sammensatt hoeyttaler - Google Patents

Sammensatt hoeyttaler

Info

Publication number: NO169930C
Authority: NO; Norway
Prior art keywords: tweeter; support; piezoelectric; main loudspeaker; radiation
Prior art date: 1985-09-02

Application number

NO862429A

Other languages

English (en)

Norwegian (no)

Other versions

NO169930B (no

NO862429L (no

NO862429D0 (no

Inventor

Franco Tontini

Carlo Sancisi

Original Assignee

Sipe Srl

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.)

1985-09-02

Filing date

1986-06-18

Publication date

1992-08-19

1986-06-18 Application filed by Sipe Srl filed Critical Sipe Srl

1986-06-18 Publication of NO862429D0 publication Critical patent/NO862429D0/no

1987-03-03 Publication of NO862429L publication Critical patent/NO862429L/no

1992-05-11 Publication of NO169930B publication Critical patent/NO169930B/no

1992-08-19 Publication of NO169930C publication Critical patent/NO169930C/no

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Dental Preparations (AREA)
Percussion Or Vibration Massage (AREA)
Cosmetics (AREA)
Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

NO862429A 1985-09-02 1986-06-18 Sammensatt hoeyttaler NO169930C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT00625/85A IT1187062B (it)	1985-09-02	1985-09-02	Altoparlante multiplo,con "tweeter" piezoelettrico supportato con mezzi che consentono lo sfruttamento della membrana dell'altoparlante principale quale superficie riflettente della radiazione emessa posteriormente dal disco ceramico e dalla membrana dell"tweeter" piezoelettrico

Publications (4)

Publication Number	Publication Date
NO862429D0 NO862429D0 (no)	1986-06-18
NO862429L NO862429L (no)	1987-03-03
NO169930B NO169930B (no)	1992-05-11
NO169930C true NO169930C (no)	1992-08-19

Family

ID=11293510

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO862429A NO169930C (no)	1985-09-02	1986-06-18	Sammensatt hoeyttaler

Country Status (11)

Country	Link
EP (1)	EP0220354B1 (de)
JP (1)	JPH0738752B2 (de)
KR (1)	KR950002765B1 (de)
AT (1)	ATE65149T1 (de)
CA (1)	CA1287394C (de)
DE (1)	DE3583442D1 (de)
DK (1)	DK171190B1 (de)
ES (1)	ES8707839A1 (de)
FI (1)	FI86941C (de)
IT (1)	IT1187062B (de)
NO (1)	NO169930C (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3167153B2 (ja) *	1991-09-30	2001-05-21	パイオニア株式会社	スピーカ用スペーサ
GB9317345D0 (en) *	1993-08-20	1993-10-06	Centralforce Ltd	Loudspeaker
AUPS279202A0 (en)	2002-06-05	2002-06-27	Sportzwhistle Pty Ltd	Transducer mounting
JP5392335B2 (ja) *	2011-10-12	2014-01-22	株式会社デンソー	車両存在通報装置
KR101451687B1 (ko) *	2013-08-20	2014-10-22	임창수	코엑셜 효과의 2웨이 스피커
US11627416B2 (en)	2021-08-27	2023-04-11	Apple Inc.	Two-way integrated speaker with piezoelectric diaphragm as tweeter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS52145215A (en) *	1976-05-28	1977-12-03	Nippon Gakki Seizo Kk	Complex type speaker
JPS55154899A (en) *	1979-05-22	1980-12-02	Pioneer Electronic Corp	Compound loudspeaker
US4283606A (en) *	1979-07-16	1981-08-11	Cerwin Vega, Inc.	Coaxial loudspeaker system
JPS56112196A (en) *	1980-02-08	1981-09-04	Matsushita Electric Ind Co Ltd	Composite type speaker
JPS5753798U (de) *	1980-09-11	1982-03-29
JPS5912699A (ja) *	1982-07-13	1984-01-23	Matsushita Electric Ind Co Ltd	複合型スピ−カ
US4475014A (en) *	1982-09-13	1984-10-02	Harman-Motive Inc.	Acoustical transducer
JPS5963592U (ja) *	1982-10-20	1984-04-26	フォスタ−電機株式会社	複合スピ−カ

1985
- 1985-09-02 IT IT00625/85A patent/IT1187062B/it active
- 1985-09-09 AT AT85830227T patent/ATE65149T1/de not_active IP Right Cessation
- 1985-09-09 EP EP85830227A patent/EP0220354B1/de not_active Expired - Lifetime
- 1985-09-09 DE DE8585830227T patent/DE3583442D1/de not_active Expired - Fee Related
1986
- 1986-05-29 DK DK251586A patent/DK171190B1/da not_active IP Right Cessation
- 1986-05-30 FI FI862323A patent/FI86941C/fi not_active IP Right Cessation
- 1986-06-05 ES ES555745A patent/ES8707839A1/es not_active Expired
- 1986-06-12 KR KR1019860004662A patent/KR950002765B1/ko not_active Expired - Fee Related
- 1986-06-18 NO NO862429A patent/NO169930C/no not_active IP Right Cessation
- 1986-07-08 JP JP61158908A patent/JPH0738752B2/ja not_active Expired - Lifetime
- 1986-07-11 CA CA000513575A patent/CA1287394C/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FI86941B (fi)	1992-07-15
IT1187062B (it)	1987-12-16
NO169930B (no)	1992-05-11
FI862323L (fi)	1987-03-03
EP0220354B1 (de)	1991-07-10
NO862429L (no)	1987-03-03
DK251586A (da)	1987-03-03
EP0220354A2 (de)	1987-05-06
JPS6253590A (ja)	1987-03-09
CA1287394C (en)	1991-08-06
JPH0738752B2 (ja)	1995-04-26
DK251586D0 (da)	1986-05-29
IT8500625A0 (it)	1985-09-02
KR870003670A (ko)	1987-04-18
ATE65149T1 (de)	1991-07-15
KR950002765B1 (ko)	1995-03-24
DK171190B1 (da)	1996-07-15
DE3583442D1 (de)	1991-08-14
ES555745A0 (es)	1987-09-01
NO862429D0 (no)	1986-06-18
FI86941C (fi)	1992-10-26
FI862323A0 (fi)	1986-05-30
EP0220354A3 (en)	1988-01-07
ES8707839A1 (es)	1987-09-01

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Legal Events

Date	Code	Title	Description
2003-02-10	MM1K	Lapsed by not paying the annual fees	Free format text: LAPSED IN DECEMBER 2003