HK1012448A1 - Timepiece with electro acoustic transducer - Google Patents
Timepiece with electro acoustic transducer Download PDFInfo
- Publication number
- HK1012448A1 HK1012448A1 HK98113677A HK98113677A HK1012448A1 HK 1012448 A1 HK1012448 A1 HK 1012448A1 HK 98113677 A HK98113677 A HK 98113677A HK 98113677 A HK98113677 A HK 98113677A HK 1012448 A1 HK1012448 A1 HK 1012448A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- piezo
- plates
- zone
- electric
- timepiece according
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B21/00—Indicating the time by acoustic means
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G13/00—Producing acoustic time signals
- G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
- G04G13/021—Details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH02338/94A CH686600B5 (fr) | 1994-07-25 | 1994-07-25 | Pièce d'horlogerie comportant un transducteur électro-acoustique. |
| CH2338/94 | 1994-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HK1012448A1 true HK1012448A1 (en) | 1999-07-30 |
| HK1012448B HK1012448B (en) | 2000-05-05 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| CN1049746C (zh) | 2000-02-23 |
| CH686600GA3 (fr) | 1996-05-15 |
| DE69503324D1 (de) | 1998-08-13 |
| EP0694824B1 (fr) | 1998-07-08 |
| CH686600B5 (fr) | 1996-11-15 |
| DE69503324T2 (de) | 1999-03-04 |
| KR100369856B1 (ko) | 2003-04-07 |
| US5604718A (en) | 1997-02-18 |
| KR960006465A (ko) | 1996-02-23 |
| TW275672B (xx) | 1996-05-11 |
| CN1129820A (zh) | 1996-08-28 |
| JP3450528B2 (ja) | 2003-09-29 |
| EP0694824A1 (fr) | 1996-01-31 |
| JPH08123427A (ja) | 1996-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PF | Patent in force | ||
| PE | Patent expired |
Effective date: 20150709 |