GB2019048A - Analog Liquid Crystal Timepiece - Google Patents
Analog Liquid Crystal TimepieceInfo
- Publication number
- GB2019048A GB2019048A GB7907863A GB7907863A GB2019048A GB 2019048 A GB2019048 A GB 2019048A GB 7907863 A GB7907863 A GB 7907863A GB 7907863 A GB7907863 A GB 7907863A GB 2019048 A GB2019048 A GB 2019048A
- Authority
- GB
- United Kingdom
- Prior art keywords
- indication
- liquid crystal
- displaying
- analog
- calendar
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
- G04G9/06—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Liquid Crystal Substances (AREA)
Abstract
An analog liquid crystal timepiece includes a liquid crystal display device which has two or three concentrically arranged arrays of radially disposed display elements for displaying the time of day indication in analog form as Fig. 1(a) and for displaying calendar indication or chronograph indication as Fig. 1(b). A manually operable switch is provided for selectively displaying the time of day indication and the calendar or chronograph indication. When two of the indications overlap they are distinguished from one another by producing visually different displays, for example, of different contrast. <IMAGE>
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2568478A JPS54118875A (en) | 1978-03-07 | 1978-03-07 | Analog type liquid crystal watch |
JP3264278A JPS54125071A (en) | 1978-03-22 | 1978-03-22 | Analog type liquid crystal watch |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2019048A true GB2019048A (en) | 1979-10-24 |
GB2019048B GB2019048B (en) | 1982-09-08 |
Family
ID=26363341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7907863A Expired GB2019048B (en) | 1978-03-07 | 1979-03-06 | Analogue liquid crystal timepiece |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH636242B (en) |
DE (1) | DE2908764A1 (en) |
FR (1) | FR2419538A1 (en) |
GB (1) | GB2019048B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2204429A (en) * | 1987-04-24 | 1988-11-09 | Salim Emile Kahil | Clock or watch |
GB2213965A (en) * | 1987-12-23 | 1989-08-23 | Goro Saito | Analog display on an electronic timepiece |
CN103261978A (en) * | 2010-12-16 | 2013-08-21 | 斯沃奇集团研究和开发有限公司 | Method and device for obtaining a continuous movement of a display means |
US9465261B2 (en) | 2011-10-28 | 2016-10-11 | Polyic Gmbh & Co. Kg | Display device |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55104784A (en) * | 1979-02-06 | 1980-08-11 | Seiko Epson Corp | Liquid crystal watch |
JPS55137583A (en) * | 1979-04-13 | 1980-10-27 | Hitachi Ltd | Liquid crystal display unit drive system |
JPS55163487A (en) * | 1979-06-07 | 1980-12-19 | Seikosha Co Ltd | Displaying device |
CH631861GA3 (en) * | 1980-02-18 | 1982-09-15 |
-
1979
- 1979-03-05 FR FR7905625A patent/FR2419538A1/en not_active Withdrawn
- 1979-03-06 GB GB7907863A patent/GB2019048B/en not_active Expired
- 1979-03-06 DE DE19792908764 patent/DE2908764A1/en not_active Withdrawn
- 1979-03-07 CH CH221379A patent/CH636242B/en unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2204429A (en) * | 1987-04-24 | 1988-11-09 | Salim Emile Kahil | Clock or watch |
GB2204429B (en) * | 1987-04-24 | 1991-09-04 | Salim Emile Kahil | Timepiece. |
GB2213965A (en) * | 1987-12-23 | 1989-08-23 | Goro Saito | Analog display on an electronic timepiece |
CN103261978A (en) * | 2010-12-16 | 2013-08-21 | 斯沃奇集团研究和开发有限公司 | Method and device for obtaining a continuous movement of a display means |
CN103261978B (en) * | 2010-12-16 | 2016-02-17 | 斯沃奇集团研究和开发有限公司 | Obtain the method and apparatus of the continuous motion of display device |
US9465261B2 (en) | 2011-10-28 | 2016-10-11 | Polyic Gmbh & Co. Kg | Display device |
Also Published As
Publication number | Publication date |
---|---|
CH636242B (en) | |
GB2019048B (en) | 1982-09-08 |
DE2908764A1 (en) | 1979-09-13 |
CH636242GA3 (en) | 1983-05-31 |
FR2419538A1 (en) | 1979-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 19990305 |