JPS5899663U - synchro scope - Google Patents
synchro scopeInfo
- Publication number
- JPS5899663U JPS5899663U JP19402381U JP19402381U JPS5899663U JP S5899663 U JPS5899663 U JP S5899663U JP 19402381 U JP19402381 U JP 19402381U JP 19402381 U JP19402381 U JP 19402381U JP S5899663 U JPS5899663 U JP S5899663U
- Authority
- JP
- Japan
- Prior art keywords
- brightness
- circuit
- input signal
- absence
- setting 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 description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Television Receiver Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例に係る画面輝度調整装置が適
用されたシンクロスコープのブロック図である。第２図
は従来のアンブランキング回路の一具体例の回路図であ
る。第３図は本考案に係る輝度設定回路の一実施例の回
路図である。
１５・・・入力信号有無検知回路、１６・・・第一の輝
度設定回路、１７・・・第二の輝度設定回路、ＳＷ□。
ＳＷ２・・・スイッチ。FIG. 1 is a block diagram of a synchroscope to which a screen brightness adjustment device according to an embodiment of the present invention is applied. FIG. 2 is a circuit diagram of a specific example of a conventional unblanking circuit. FIG. 3 is a circuit diagram of an embodiment of the brightness setting circuit according to the present invention. 15... Input signal presence/absence detection circuit, 16... First brightness setting circuit, 17... Second brightness setting circuit, SW□. SW2...Switch.
Claims (1)
り、シンクロスコープの入力信号の有無を検知する入力
信号有無検知回路と、 ブラウン管に映出される観測波形の輝度を第１の輝度レ
ベルに設定する第一の輝度設定回路と、前記観測波形の
輝度を前記第１の輝度レベルより低い第２の輝度レベル
に設定する第二の輝度設定回路と、 前記入力信号有無検知回路が入力信号を検知したときは
前記第一の輝度設定回路を選択し、前記入力信号有無検
知回路が入力信号を検知しぴいとき前記第二の輝度設定
回路を選択するよう切替わるスイッチ手段とを有するこ
とを特徴とするシンクロスコープ。[Claim for Utility Model Registration] An input signal presence/absence detection circuit that detects the presence or absence of an input signal to a synchroscope based on the presence or absence of a trigger pulse of a trigger circuit of an automatic sweep circuit; a first brightness setting circuit that sets the brightness of the observed waveform to a second brightness level that is lower than the first brightness level; and a second brightness setting circuit that sets the brightness of the observed waveform to a second brightness level that is lower than the first brightness level; a switch means that selects the first brightness setting circuit when the circuit detects an input signal, and selects the second brightness setting circuit when the input signal presence/absence detection circuit detects the input signal; A synchronoscope characterized by having.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19402381U JPS5899663U (en) | 1981-12-28 | 1981-12-28 | synchro scope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19402381U JPS5899663U (en) | 1981-12-28 | 1981-12-28 | synchro scope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5899663U true JPS5899663U (en) | 1983-07-06 |
Family
ID=30107355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19402381U Pending JPS5899663U (en) | 1981-12-28 | 1981-12-28 | synchro scope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5899663U (en) |
-
1981
- 1981-12-28 JP JP19402381U patent/JPS5899663U/en active Pending
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