JPH01152393U - - Google Patents
Info
- Publication number
- JPH01152393U JPH01152393U JP1988043745U JP4374588U JPH01152393U JP H01152393 U JPH01152393 U JP H01152393U JP 1988043745 U JP1988043745 U JP 1988043745U JP 4374588 U JP4374588 U JP 4374588U JP H01152393 U JPH01152393 U JP H01152393U
- Authority
- JP
- Japan
- Prior art keywords
- display
- photo sensor
- drive voltage
- brightness
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988043745U JPH01152393U (zh) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988043745U JPH01152393U (zh) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01152393U true JPH01152393U (zh) | 1989-10-20 |
Family
ID=31270136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988043745U Pending JPH01152393U (zh) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01152393U (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523182U (ja) * | 1991-09-10 | 1993-03-26 | リズム時計工業株式会社 | 時計の照明装置 |
-
1988
- 1988-03-31 JP JP1988043745U patent/JPH01152393U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523182U (ja) * | 1991-09-10 | 1993-03-26 | リズム時計工業株式会社 | 時計の照明装置 |