JPS56120974A - Electrochromic display clock - Google Patents
Electrochromic display clockInfo
- Publication number
- JPS56120974A JPS56120974A JP2435980A JP2435980A JPS56120974A JP S56120974 A JPS56120974 A JP S56120974A JP 2435980 A JP2435980 A JP 2435980A JP 2435980 A JP2435980 A JP 2435980A JP S56120974 A JPS56120974 A JP S56120974A
- Authority
- JP
- Japan
- Prior art keywords
- electric charge
- pulse
- color concentration
- instruction
- color
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0023—Visual time or date indication means by light valves in general
- G04G9/0029—Details
- G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
- G04G9/0052—Details electrical, e.g. selection or application of the operating voltage using means to adjust the display in accordance with the ambient light, e.g. switching or controlling a supplementary light source
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electric Clocks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2435980A JPS56120974A (en) | 1980-02-28 | 1980-02-28 | Electrochromic display clock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2435980A JPS56120974A (en) | 1980-02-28 | 1980-02-28 | Electrochromic display clock |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56120974A true JPS56120974A (en) | 1981-09-22 |
Family
ID=12135993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2435980A Pending JPS56120974A (en) | 1980-02-28 | 1980-02-28 | Electrochromic display clock |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56120974A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6448044A (en) * | 1987-07-24 | 1989-02-22 | Alpine Polyvision Inc | Electrochromic light modulation |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS525568A (en) * | 1975-07-02 | 1977-01-17 | Citizen Watch Co Ltd | Driving method of indication |
-
1980
- 1980-02-28 JP JP2435980A patent/JPS56120974A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS525568A (en) * | 1975-07-02 | 1977-01-17 | Citizen Watch Co Ltd | Driving method of indication |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6448044A (en) * | 1987-07-24 | 1989-02-22 | Alpine Polyvision Inc | Electrochromic light modulation |
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