JPS55109090A - Color picture receiver of beam index system - Google Patents

Color picture receiver of beam index system

Info

Publication number
JPS55109090A
JPS55109090A JP1655279A JP1655279A JPS55109090A JP S55109090 A JPS55109090 A JP S55109090A JP 1655279 A JP1655279 A JP 1655279A JP 1655279 A JP1655279 A JP 1655279A JP S55109090 A JPS55109090 A JP S55109090A
Authority
JP
Japan
Prior art keywords
supplied
color picture
picture tube
signals
pulse
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
JP1655279A
Other languages
Japanese (ja)
Inventor
Akira Toyama
Takashi Hosono
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP1655279A priority Critical patent/JPS55109090A/en
Publication of JPS55109090A publication Critical patent/JPS55109090A/en
Pending legal-status Critical Current

Links

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

PURPOSE: To ensure the horizontal blanking of the ineffective screen by providing the means to detect the scanning beam into the color picture tube and then counting the signals of the above means.
CONSTITUTION: Both lens 6 and photoelectric converter 7 are provided at part of the funnel part of the color picture tube 1 in order to receive the light which is emitted when the electron beam scans the index fluorescent substance stripe. Then signal SD is delivered and then supplied to waveform shaping circuit 31 via band pass filter 30 to be turned into index pulse PI. Thus FF32 is reset with pulse PI, and horizontal address counter 33 starts counting. And when no ineffective screen is detected, gate circuit 27 opens, and thus gate signals PR∼PB are supplied to switching circuit 3. Then primary color signals R∼B are supplied to picture tube 1.
COPYRIGHT: (C)1980,JPO&Japio
JP1655279A 1979-02-15 1979-02-15 Color picture receiver of beam index system Pending JPS55109090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1655279A JPS55109090A (en) 1979-02-15 1979-02-15 Color picture receiver of beam index system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1655279A JPS55109090A (en) 1979-02-15 1979-02-15 Color picture receiver of beam index system

Publications (1)

Publication Number Publication Date
JPS55109090A true JPS55109090A (en) 1980-08-21

Family

ID=11919433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1655279A Pending JPS55109090A (en) 1979-02-15 1979-02-15 Color picture receiver of beam index system

Country Status (1)

Country Link
JP (1) JPS55109090A (en)

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