JPH0157869U - - Google Patents
Info
- Publication number
- JPH0157869U JPH0157869U JP15352587U JP15352587U JPH0157869U JP H0157869 U JPH0157869 U JP H0157869U JP 15352587 U JP15352587 U JP 15352587U JP 15352587 U JP15352587 U JP 15352587U JP H0157869 U JPH0157869 U JP H0157869U
- Authority
- JP
- Japan
- Prior art keywords
- brightness control
- control data
- memory
- input signal
- ray tube
- 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
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図はこの考案の一実施例のブロツク回路図
、第２図はこの実施例のメモリに標準輝度制御デ
ータを書き込む場合のフロー図、第３図はこの標
準輝度制御データが書込まれたメモリを装着した
ＣＲＴ装置において標準輝度制御データを最適輝
度制御データに書き替える場合のフロー図、第４
図はこのＣＲＴ装置の作動時の輝度レベル制御動
作のフロー図、第５図は従来のＣＲＴ装置の輝度
回路を含む要部のブロツク回路図である。
１，２，３……入力信号処理回路、１ｂ，２ｂ
，３ｂ……増幅器、６……ＣＲＴ、８……ＣＰＵ
、９……メモリ、１０……入力信号選択スイツチ
、１１……動作モード切換スイツチ、１２……ビ
ーム電流検出回路。なお、各図中、同一符号は同
一、または相当部分を示す。
Fig. 1 is a block circuit diagram of an embodiment of this invention, Fig. 2 is a flow diagram when standard brightness control data is written to the memory of this embodiment, and Fig. 3 is a flowchart when this standard brightness control data is written. Flowchart for rewriting standard brightness control data to optimal brightness control data in a CRT device equipped with memory, No. 4
This figure is a flowchart of the brightness level control operation during operation of this CRT device, and FIG. 5 is a block circuit diagram of the main part including the brightness circuit of a conventional CRT device. 1, 2, 3...Input signal processing circuit, 1b, 2b
, 3b...Amplifier, 6...CRT, 8...CPU
, 9...Memory, 10...Input signal selection switch, 11...Operation mode changeover switch, 12...Beam current detection circuit. In each figure, the same reference numerals indicate the same or corresponding parts.
補正 昭６３．２．２２
図面の簡単な説明を次のように補正する。
明細書第９頁第１８行「３ｂ」を「〜Ｎｂ」に
訂正する。
明細書第９頁第１７行「３」を「〜Ｎ」に訂正
する。Amendment February 22, 1981 The brief description of the drawing is amended as follows. "3b" on page 9, line 18 of the specification is corrected to "~Nb". "3" on page 9, line 17 of the specification is corrected to "~N".
Claims (1)
、それぞれ再生画像が最適輝度となる輝度制御デ
ータをメモリに書き込む手段と、選択された入力
信号の種類に対応する輝度制御データを上記メモ
リから読み出しかつ当該陰極線管装置の入力信号
処理回路の増幅利得を当該読み出した輝度制御デ
ータにもとづいて制御する手段とを備えた輝度制
御装置。 Means for writing brightness control data to a memory so that a reproduced image has an optimum brightness for each of a plurality of types of input signals of the cathode ray tube device, and a means for reading brightness control data corresponding to the selected type of input signal from the memory and the corresponding one. A brightness control device comprising means for controlling an amplification gain of an input signal processing circuit of a cathode ray tube device based on the read brightness control data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15352587U JPH0157869U (en) | 1987-10-07 | 1987-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15352587U JPH0157869U (en) | 1987-10-07 | 1987-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0157869U true JPH0157869U (en) | 1989-04-11 |
Family
ID=31429443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15352587U Pending JPH0157869U (en) | 1987-10-07 | 1987-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0157869U (en) |
-
1987
- 1987-10-07 JP JP15352587U patent/JPH0157869U/ja active Pending
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