GB1528423A - Electronic timepiece - Google Patents
Electronic timepieceInfo
- Publication number
- GB1528423A GB1528423A GB4680376A GB4680376A GB1528423A GB 1528423 A GB1528423 A GB 1528423A GB 4680376 A GB4680376 A GB 4680376A GB 4680376 A GB4680376 A GB 4680376A GB 1528423 A GB1528423 A GB 1528423A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- display
- switch
- glass
- nov
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G21/00—Input or output devices integrated in time-pieces
- G04G21/08—Touch switches specially adapted for time-pieces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
1528423 Touch responsive switches DAINI SEIKOSHA KK 10 Nov 1976 [11 Nov 1975 (2)] 46803/76 Heading G1N [Also in Division G3] In an electronic timepiece with a display 13 controlled by a switch, the latter comprises two spaced electrodes 3, 4 which are insulated from each other but may be bridged by contact with the user's body, at least one of the electrodes being provided on the glass 1 of the timepiece. As shown both the electrodes are on the glass and they are formed by evaporation on its upper surface 1a; they may be recessed in the glass surface Fig. 3 (not shown). Alternatively one of the electrodes may be formed by case body 2 and thus permanently in contact with the user's body. The electrodes are connected in a known transistor switching circuit Fig. 2 (not shown). The display 13 may be of L.E.D. type and energized for a predetermined period when the switch is closed, or may be a liquid crystal display switched on and off by successive closures of the switch. The latter type of display may thus be switched off at night.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50135563A JPS5258965A (en) | 1975-11-11 | 1975-11-11 | Electronic watch |
| JP50135561A JPS5258963A (en) | 1975-11-11 | 1975-11-11 | Electronic watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1528423A true GB1528423A (en) | 1978-10-11 |
Family
ID=26469390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4680376A Expired GB1528423A (en) | 1975-11-11 | 1976-11-10 | Electronic timepiece |
Country Status (6)
| Country | Link |
|---|---|
| BR (1) | BR7607514A (en) |
| CA (1) | CA1090589A (en) |
| DE (1) | DE2650707A1 (en) |
| FR (1) | FR2331831A1 (en) |
| GB (1) | GB1528423A (en) |
| HK (1) | HK88979A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH643978B (en) * | 1980-03-07 | Suisse Horlogerie | STATIC SENSOR FOR WATCH PART. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742699A (en) * | 1972-01-14 | 1973-07-03 | Hmw Industries | Solid state watch display switch |
| JPS4893868A (en) * | 1972-03-17 | 1973-12-04 | ||
| JPS5531912B2 (en) * | 1973-04-19 | 1980-08-21 | ||
| DE2429193A1 (en) * | 1973-07-18 | 1975-02-06 | Andre Vogt | Electronic watch time display - employing electroluminescent diodes with bistable circuit controlling diode energisation |
-
1976
- 1976-11-05 DE DE19762650707 patent/DE2650707A1/en not_active Withdrawn
- 1976-11-09 FR FR7633743A patent/FR2331831A1/en not_active Withdrawn
- 1976-11-10 GB GB4680376A patent/GB1528423A/en not_active Expired
- 1976-11-10 BR BR7607514A patent/BR7607514A/en unknown
- 1976-11-10 CA CA265,372A patent/CA1090589A/en not_active Expired
-
1979
- 1979-12-27 HK HK88979A patent/HK88979A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2331831A1 (en) | 1977-06-10 |
| CA1090589A (en) | 1980-12-02 |
| BR7607514A (en) | 1977-09-20 |
| HK88979A (en) | 1980-01-04 |
| DE2650707A1 (en) | 1977-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921110 |