JPS6397973U - - Google Patents
Info
- Publication number
- JPS6397973U JPS6397973U JP19147086U JP19147086U JPS6397973U JP S6397973 U JPS6397973 U JP S6397973U JP 19147086 U JP19147086 U JP 19147086U JP 19147086 U JP19147086 U JP 19147086U JP S6397973 U JPS6397973 U JP S6397973U
- Authority
- JP
- Japan
- Prior art keywords
- brightness
- adjustment circuit
- contrast
- display device
- ambient illuminance
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図はこの考案の一実施例によるハードウエ
ア概略構成図、第２図はＣＲＴ輝度調整方法を一
般的に説明する為のＣＲＴ画面図、第３図は従来
のハードウエア概略構成図である。
図中、１はブライト調整回路、２はコントラス
ト調整回路、３はブラウン管、６は輝度制御部、
７は受光センサ。なお、各図中、同一符号は同一
又は相当部分を示す。
Fig. 1 is a schematic diagram of a hardware configuration according to an embodiment of this invention, Fig. 2 is a CRT screen diagram for generally explaining the CRT brightness adjustment method, and Fig. 3 is a schematic diagram of a conventional hardware configuration. . In the figure, 1 is a brightness adjustment circuit, 2 is a contrast adjustment circuit, 3 is a cathode ray tube, 6 is a brightness control section,
7 is a light receiving sensor. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
コントラスト調整回路を備えた表示装置において
、周囲照度を測定する受光センサと、周囲照度値
に応じたブライト及びコントラストの最適設定値
をそれぞれ予め記憶してなり、上記ブライト調整
回路とコントラスト調整回路に制御信号を送出す
る輝度制御部を設けたことを特徴とする表示装置
。 In a display device equipped with a brightness adjustment circuit and a contrast adjustment circuit that adjust the brightness of a display screen, a light receiving sensor that measures ambient illuminance and optimal settings for brightness and contrast according to the ambient illuminance value are stored in advance. . A display device comprising a brightness control section that sends control signals to the brightness adjustment circuit and the contrast adjustment circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19147086U JPS6397973U (en) | 1986-12-12 | 1986-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19147086U JPS6397973U (en) | 1986-12-12 | 1986-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6397973U true JPS6397973U (en) | 1988-06-24 |
Family
ID=31145645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19147086U Pending JPS6397973U (en) | 1986-12-12 | 1986-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6397973U (en) |
-
1986
- 1986-12-12 JP JP19147086U patent/JPS6397973U/ja active Pending