JPH0188577U - - Google Patents
Info
- Publication number
- JPH0188577U JPH0188577U JP18579687U JP18579687U JPH0188577U JP H0188577 U JPH0188577 U JP H0188577U JP 18579687 U JP18579687 U JP 18579687U JP 18579687 U JP18579687 U JP 18579687U JP H0188577 U JPH0188577 U JP H0188577U
- Authority
- JP
- Japan
- Prior art keywords
- contrast
- setting
- section
- brightness adjustment
- brightness
- 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
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図はこの考案の一実施例の回路図、第２図
はこの考案の他の実施例の回路図、第３図は従来
のＣＲＴのデイスプレイのコントラストおよびブ
ライトネス調整装置のブロツク回路図である。
２…ビデオアンプ、４…コントラスト設定部、
５…ビデオ出力回路、７…ブライトネス設定部、
８…ＣＲＴデイスプレイ、９，９ａ〜９ｎ、１１
，１１ａ〜１１ｎ…ロータリースイツチ、１０，
１０ａ〜１０ｎ，１２，１２ａ〜１２ｎ…分圧抵
抗。なお、各図中、同一符号はそれぞれ同一また
は相当部分を示している。
Fig. 1 is a circuit diagram of one embodiment of this invention, Fig. 2 is a circuit diagram of another embodiment of this invention, and Fig. 3 is a block circuit diagram of a conventional CRT display contrast and brightness adjustment device. . 2...Video amplifier, 4...Contrast setting section,
5...Video output circuit, 7...Brightness setting section,
8...CRT display, 9, 9a to 9n, 11
, 11a to 11n... rotary switch, 10,
10a to 10n, 12, 12a to 12n...dividing voltage resistors. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
スト設定部およびビデオ出力回路の出力のＤＣ値
を設定するブライトネス設定部を、それぞれ複数
個の固定抵抗器を直列接続した分圧抵抗と、この
分圧抵抗を順次短絡するロータリースイツチとで
構成してなるＣＲＴデイスプレイのコントラスト
およびブライトネス調整装置。 (2) コントラスト調整部またはブライトネス調
整部は、直列接続された複数個のロータリースイ
ツチと、これらのロータリースイツチの端子間に
それぞれ接続されている複数の固定抵抗とで構成
されたものである実用新案登録請求の範囲第１項
記載のＣＲＴデイスプレイのコントラストおよび
ブライトネス調整装置。[Claims for Utility Model Registration] (1) The contrast setting section for setting the gain of the video amplifier and the brightness setting section for setting the DC value of the output of the video output circuit are each made up of a plurality of fixed resistors connected in series. A CRT display contrast and brightness adjustment device consisting of a piezoresistor and a rotary switch that sequentially shorts the voltage-dividing resistor. (2) A utility model in which the contrast adjustment section or brightness adjustment section is composed of a plurality of rotary switches connected in series and a plurality of fixed resistors each connected between the terminals of these rotary switches. A contrast and brightness adjustment device for a CRT display as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18579687U JPH0188577U (en) | 1987-12-03 | 1987-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18579687U JPH0188577U (en) | 1987-12-03 | 1987-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0188577U true JPH0188577U (en) | 1989-06-12 |
Family
ID=31477061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18579687U Pending JPH0188577U (en) | 1987-12-03 | 1987-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0188577U (en) |
-
1987
- 1987-12-03 JP JP18579687U patent/JPH0188577U/ja active Pending