HK8797A - Electro-acoustic device - Google Patents
Electro-acoustic deviceInfo
- Publication number
- HK8797A HK8797A HK8797A HK8797A HK8797A HK 8797 A HK8797 A HK 8797A HK 8797 A HK8797 A HK 8797A HK 8797 A HK8797 A HK 8797A HK 8797 A HK8797 A HK 8797A
- Authority
- HK
- Hong Kong
- Prior art keywords
- electro
- acoustic device
- volume
- setting
- acoustic
- Prior art date
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
- H04R3/007—Protection circuits for transducers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3927902A DE3927902A1 (de) | 1989-08-24 | 1989-08-24 | Elektro-akustisches geraet |
Publications (1)
Publication Number | Publication Date |
---|---|
HK8797A true HK8797A (en) | 1997-01-31 |
Family
ID=6387738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK8797A HK8797A (en) | 1989-08-24 | 1997-01-23 | Electro-acoustic device |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0464273B1 (xx) |
JP (1) | JPH0389612A (xx) |
KR (1) | KR910005718A (xx) |
AT (1) | ATE134462T1 (xx) |
DD (1) | DD295485A5 (xx) |
DE (2) | DE3927902A1 (xx) |
ES (1) | ES2085325T3 (xx) |
HK (1) | HK8797A (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4137605C2 (de) * | 1991-11-15 | 1995-08-31 | Grundig Emv | Optische Warnanzeige für ein elektroakustisches Gerät |
KR100367235B1 (ko) * | 2000-07-14 | 2003-01-10 | 대한민국 | 플라즈마 반응을 이용한 고밀도 폴리에틸렌의가교처리방법 및 이를 이용하여 제조된 잠열축열재 |
JP4626145B2 (ja) * | 2003-12-19 | 2011-02-02 | パナソニック株式会社 | 音声出力レベル設定方法及び装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3225205A1 (de) * | 1982-07-06 | 1984-01-19 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Verfahren zur einstellung von steuergroessen in rundfunk- und fernsehgeraeten |
DE3409855A1 (de) * | 1984-03-17 | 1985-09-19 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Elektronisches geraet, insbesondere fernsehgeraet |
DE3429508A1 (de) * | 1984-08-10 | 1986-02-20 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth | Verfahren zur pegel- und lautstaerkeeinstellung in einem nf-verstaerker und anordnung zur durchfuehrung des verfahrens |
DE3722752A1 (de) * | 1987-07-09 | 1989-01-19 | Engel Ludwig Dipl Ing Bidovsky | Einrichtung zur einstellung, speicherung und zum abruf beliebig vieler fester und variabler einstellgroessen an elektrischen geraeten |
JPH01165068A (ja) * | 1987-12-19 | 1989-06-29 | Pioneer Electron Corp | マガジンディスクプレーヤ |
-
1989
- 1989-08-24 DE DE3927902A patent/DE3927902A1/de not_active Withdrawn
-
1990
- 1990-08-20 DE DE59010150T patent/DE59010150D1/de not_active Expired - Fee Related
- 1990-08-20 EP EP90203539A patent/EP0464273B1/de not_active Expired - Lifetime
- 1990-08-20 ES ES90203539T patent/ES2085325T3/es not_active Expired - Lifetime
- 1990-08-20 AT AT90203539T patent/ATE134462T1/de not_active IP Right Cessation
- 1990-08-22 DD DD90343587A patent/DD295485A5/de not_active IP Right Cessation
- 1990-08-23 JP JP2220163A patent/JPH0389612A/ja active Pending
- 1990-08-24 KR KR1019900013075A patent/KR910005718A/ko not_active Application Discontinuation
-
1997
- 1997-01-23 HK HK8797A patent/HK8797A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0464273A1 (de) | 1992-01-08 |
JPH0389612A (ja) | 1991-04-15 |
KR910005718A (ko) | 1991-03-30 |
EP0464273B1 (de) | 1996-02-21 |
DE59010150D1 (de) | 1996-03-28 |
DD295485A5 (de) | 1991-10-31 |
ATE134462T1 (de) | 1996-03-15 |
ES2085325T3 (es) | 1996-06-01 |
DE3927902A1 (de) | 1991-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20060820 |