JPS58154982U - CRT brightness adjustment device - Google Patents

CRT brightness adjustment device

Info

Publication number
JPS58154982U
JPS58154982U JP5135982U JP5135982U JPS58154982U JP S58154982 U JPS58154982 U JP S58154982U JP 5135982 U JP5135982 U JP 5135982U JP 5135982 U JP5135982 U JP 5135982U JP S58154982 U JPS58154982 U JP S58154982U
Authority
JP
Japan
Prior art keywords
adjustment device
crt
brightness adjustment
crt brightness
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
Application number
JP5135982U
Other languages
Japanese (ja)
Inventor
正武 高島
Original Assignee
株式会社写研
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社写研 filed Critical 株式会社写研
Priority to JP5135982U priority Critical patent/JPS58154982U/en
Publication of JPS58154982U publication Critical patent/JPS58154982U/en
Pending legal-status Critical Current

Links

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図は本考案の一実施例である。 １・・・・・・ＣＲＴ、２・・・・・・管面、３・・・
・・・画面領域、４・・・・・・光電変換素子、５・・
・・・・増幅器、６・・・・・・輝度コントロール回路
。The figure shows one embodiment of the present invention. 1...CRT, 2...Tube surface, 3...
...Screen area, 4...Photoelectric conversion element, 5...
...Amplifier, 6...Brightness control circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＣＲＴ管面の一端に取り付けた光電変換素子と、該光電
変換素子からの信号を受けてＣＲＴの輝度を調整する輝
度コントロール回路とから成ることを特徴とするＣＲＴ
輝度調整装置。A CRT comprising a photoelectric conversion element attached to one end of the CRT tube surface, and a brightness control circuit that adjusts the brightness of the CRT in response to a signal from the photoelectric conversion element.
Brightness adjustment device.
JP5135982U 1982-04-09 1982-04-09 CRT brightness adjustment device Pending JPS58154982U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5135982U JPS58154982U (en) 1982-04-09 1982-04-09 CRT brightness adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5135982U JPS58154982U (en) 1982-04-09 1982-04-09 CRT brightness adjustment device

Publications (1)

Publication Number Publication Date
JPS58154982U true JPS58154982U (en) 1983-10-17

Family

ID=30062078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5135982U Pending JPS58154982U (en) 1982-04-09 1982-04-09 CRT brightness adjustment device

Country Status (1)

Country Link
JP (1) JPS58154982U (en)

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