JPS55163980A - Digital convergence display system - Google Patents

Digital convergence display system

Info

Publication number
JPS55163980A
JPS55163980A JP7169779A JP7169779A JPS55163980A JP S55163980 A JPS55163980 A JP S55163980A JP 7169779 A JP7169779 A JP 7169779A JP 7169779 A JP7169779 A JP 7169779A JP S55163980 A JPS55163980 A JP S55163980A
Authority
JP
Japan
Prior art keywords
lattice
pattern
counter
flashing
lattice points
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
JP7169779A
Other languages
Japanese (ja)
Inventor
Kunihiko Mototani
Katsumi Morita
Susumu Tsujihara
Minoru Takeda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7169779A priority Critical patent/JPS55163980A/en
Publication of JPS55163980A publication Critical patent/JPS55163980A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/28—Arrangements for convergence or focusing

Abstract

PURPOSE:To make it possible to discriminate selected lattice points easily by flashing lattice points of a lattice pattern in a cross shape or by changing brightness. CONSTITUTION:Pattern lattice points are formed on a screen by a lattice pattern signal from a lattice pattern generating circuit 50. Meanwhile, cursor counter 12' determines horizontal and vertical addresses of the lattice pattern. When the output of read address counter 14' agrees with that of cursor counter 12', a signal flashing lattice points only determined by counter 12' is obtained from cross-pattern generation part 20. Next, the output of lattice pattern generating circuit 50 and that of cross pattern generation part 20 are supplied to a video signal generating circuit by way of AND circuit 34. Thus, the lattice pattern and selected lattice points are displayed on the screen flashing in a cross shape or changing in brightness.
JP7169779A 1979-06-07 1979-06-07 Digital convergence display system Pending JPS55163980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7169779A JPS55163980A (en) 1979-06-07 1979-06-07 Digital convergence display system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7169779A JPS55163980A (en) 1979-06-07 1979-06-07 Digital convergence display system

Publications (1)

Publication Number Publication Date
JPS55163980A true JPS55163980A (en) 1980-12-20

Family

ID=13467986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7169779A Pending JPS55163980A (en) 1979-06-07 1979-06-07 Digital convergence display system

Country Status (1)

Country Link
JP (1) JPS55163980A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0068420A2 (en) * 1981-06-24 1983-01-05 Hitachi, Ltd. Convergence distortion correction method and apparatus for color cathode-ray tube
JPS58201486A (en) * 1982-05-19 1983-11-24 Matsushita Electric Ind Co Ltd Digital convergence device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0068420A2 (en) * 1981-06-24 1983-01-05 Hitachi, Ltd. Convergence distortion correction method and apparatus for color cathode-ray tube
JPS58201486A (en) * 1982-05-19 1983-11-24 Matsushita Electric Ind Co Ltd Digital convergence device

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