JPS53119632A - Brightness modulation system - Google Patents

Brightness modulation system

Info

Publication number
JPS53119632A
JPS53119632A JP3423877A JP3423877A JPS53119632A JP S53119632 A JPS53119632 A JP S53119632A JP 3423877 A JP3423877 A JP 3423877A JP 3423877 A JP3423877 A JP 3423877A JP S53119632 A JPS53119632 A JP S53119632A
Authority
JP
Japan
Prior art keywords
black
modulation system
brightness modulation
white
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
JP3423877A
Other languages
Japanese (ja)
Inventor
Shoichi Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP3423877A priority Critical patent/JPS53119632A/en
Publication of JPS53119632A publication Critical patent/JPS53119632A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve display effect by composing red, green and blue video signals to obtain a black-and-white video signal and by brightness-modulating the only chrominance signal of the selected black-and-white video signal to drive a black-and-white monitor for display.
COPYRIGHT: (C)1978,JPO&Japio
JP3423877A 1977-03-28 1977-03-28 Brightness modulation system Pending JPS53119632A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3423877A JPS53119632A (en) 1977-03-28 1977-03-28 Brightness modulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3423877A JPS53119632A (en) 1977-03-28 1977-03-28 Brightness modulation system

Publications (1)

Publication Number Publication Date
JPS53119632A true JPS53119632A (en) 1978-10-19

Family

ID=12408566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3423877A Pending JPS53119632A (en) 1977-03-28 1977-03-28 Brightness modulation system

Country Status (1)

Country Link
JP (1) JPS53119632A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60207194A (en) * 1984-03-30 1985-10-18 関西日本電気株式会社 Contrast display unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234240A (en) * 1975-09-08 1977-03-16 Kubota Ltd Threshing and separating device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234240A (en) * 1975-09-08 1977-03-16 Kubota Ltd Threshing and separating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60207194A (en) * 1984-03-30 1985-10-18 関西日本電気株式会社 Contrast display unit

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