HK45979A - Electronic wristwatch - Google Patents
Electronic wristwatchInfo
- Publication number
- HK45979A HK45979A HK45979A HK45979A HK45979A HK 45979 A HK45979 A HK 45979A HK 45979 A HK45979 A HK 45979A HK 45979 A HK45979 A HK 45979A HK 45979 A HK45979 A HK 45979A
- Authority
- HK
- Hong Kong
- Prior art keywords
- electronic wristwatch
- wristwatch
- electronic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
- G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
- G04G9/126—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals provided with means for displaying at will a time indication or a date or a part thereof
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electric Clocks (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49039616A JPS50133868A (en) | 1974-04-08 | 1974-04-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK45979A true HK45979A (en) | 1979-07-13 |
Family
ID=12558029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK45979A HK45979A (en) | 1974-04-08 | 1979-07-05 | Electronic wristwatch |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS50133868A (en) |
DE (1) | DE2515303B2 (en) |
GB (1) | GB1495568A (en) |
HK (1) | HK45979A (en) |
MY (1) | MY8000044A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2365150A1 (en) * | 1976-09-17 | 1978-04-14 | Seiko Instr & Electronics | Electronic timepiece with variable colour display - is controlled by display function selector switch and uses mixture of liquid crystals |
JPS6060727U (en) * | 1983-09-30 | 1985-04-27 | 日本電気株式会社 | electrochromic display device |
WO2006051058A1 (en) * | 2004-11-12 | 2006-05-18 | Siemens Aktiengesellschaft | Printed circuit board with an electrochromic component and production method therefor |
CN102835731A (en) * | 2012-07-24 | 2012-12-26 | 云南瑞升烟草技术(集团)有限公司 | Paper-making method reconstituted tobacco with stripes or patterns |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3453038A (en) * | 1966-06-15 | 1969-07-01 | Du Pont | Compartmented electrochromic device |
JPS4934868A (en) * | 1972-07-31 | 1974-03-30 |
-
1974
- 1974-04-08 JP JP49039616A patent/JPS50133868A/ja active Pending
-
1975
- 1975-04-07 GB GB1417875A patent/GB1495568A/en not_active Expired
- 1975-04-08 DE DE19752515303 patent/DE2515303B2/en not_active Withdrawn
-
1979
- 1979-07-05 HK HK45979A patent/HK45979A/en unknown
-
1980
- 1980-12-30 MY MY8000044A patent/MY8000044A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS50133868A (en) | 1975-10-23 |
MY8000044A (en) | 1980-12-31 |
DE2515303A1 (en) | 1975-10-16 |
GB1495568A (en) | 1977-12-21 |
DE2515303B2 (en) | 1979-04-12 |
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