JPH0171796U - - Google Patents
Info
- Publication number
- JPH0171796U JPH0171796U JP1987165806U JP16580687U JPH0171796U JP H0171796 U JPH0171796 U JP H0171796U JP 1987165806 U JP1987165806 U JP 1987165806U JP 16580687 U JP16580687 U JP 16580687U JP H0171796 U JPH0171796 U JP H0171796U
- Authority
- JP
- Japan
- Prior art keywords
- brightness
- illuminance
- converts
- output voltage
- level signal
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図、第２図はこの考案によるデイスプレイ
装置の一実施例を示し、第１図は斜視図、第２図
はブロツク図であり、第３図、第４図は従来例を
示し、第３図はデイスプレイ装置の斜視図、第４
図はブロツク図である。図において、１はデイス
プレイ部、３は光センサー、４は輝度判別回路、
５は輝度制御回路である。なお、図中、同一符は
同一、又は相当部分を示す。
1 and 2 show an embodiment of the display device according to this invention, FIG. 1 is a perspective view, FIG. 2 is a block diagram, FIGS. 3 and 4 show a conventional example, and FIG. Figure 3 is a perspective view of the display device; Figure 4 is a perspective view of the display device;
The figure is a block diagram. In the figure, 1 is a display unit, 3 is a light sensor, 4 is a brightness discrimination circuit,
5 is a brightness control circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
したレベル信号に変換する光センサーと、この光
センサーからのレベル信号を出力電圧に変換する
輝度判別回路と、この輝度判別回路からの出力電
圧により、上記光センサーで測定された照度に応
じて画面の輝度を決定する輝度制御回路とを備え
たデイスプレイ装置。 A light sensor that measures ambient illuminance and converts it into a level signal proportional to the illuminance, a brightness discrimination circuit that converts the level signal from this light sensor into an output voltage, and an output voltage from this brightness discrimination circuit. A display device comprising: a brightness control circuit that determines screen brightness according to illuminance measured by the optical sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165806U JPH0171796U (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165806U JPH0171796U (en) | 1987-10-29 | 1987-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171796U true JPH0171796U (en) | 1989-05-15 |
Family
ID=31452628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987165806U Pending JPH0171796U (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171796U (en) |
-
1987
- 1987-10-29 JP JP1987165806U patent/JPH0171796U/ja active Pending