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JPS6420147A - Video printer - Google Patents

Video printer

Info

Publication number
JPS6420147A
JPS6420147A JP62177548A JP17754887A JPS6420147A JP S6420147 A JPS6420147 A JP S6420147A JP 62177548 A JP62177548 A JP 62177548A JP 17754887 A JP17754887 A JP 17754887A JP S6420147 A JPS6420147 A JP S6420147A
Authority
JP
Japan
Prior art keywords
pulse width
data
signal
video signal
pal
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
JP62177548A
Other languages
Japanese (ja)
Inventor
Hiroyoshi Zama
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.)
Alps Alpine Co Ltd
Original Assignee
Alps 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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP62177548A priority Critical patent/JPS6420147A/en
Publication of JPS6420147A publication Critical patent/JPS6420147A/en
Pending legal-status Critical Current

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  • Dot-Matrix Printers And Others (AREA)

Abstract

PURPOSE:To avoid the difference in printing density independently of the video signal system, without requiring the selection of the video signal system and the adjustment of an output voltage, by discriminating the system of television video signals, controlling the feeding pitch of papers and, changing time period of power supply to heat generating elements thereby to control the printing density. CONSTITUTION:Upon depression of a start button, CPU 5 detects the pulse width of a vertical synchronizing signal VS of video signal and accordingly detects the system of the video signal. Then, CPU 5 changes the pulse width of a pulse signal PT, in compliance with the PAL/NTSC, which drives each of heat generating elements of a thermal head 8. In a memory 5a attached to CPU 5, there are stored data T2 indicating the pulse width in the case of PAL system and data T1 indicating the pulse width in the case of NTSC system. When PAL system is detected, the pulse signal PT having the pulse width indicated by the data T2 is outputted to the thermal head 8. On the other hand, in the case of NTSC system detected, the pulse signal PT having the pulse width indicated by the data T1 is outputted. The pulse width of the data T2 is set to be for the most suitable density of printing. In the data T1, the printing density in the NTSC system is determined to be the same as in the PAL system.
JP62177548A 1987-07-16 1987-07-16 Video printer Pending JPS6420147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62177548A JPS6420147A (en) 1987-07-16 1987-07-16 Video printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62177548A JPS6420147A (en) 1987-07-16 1987-07-16 Video printer

Publications (1)

Publication Number Publication Date
JPS6420147A true JPS6420147A (en) 1989-01-24

Family

ID=16032876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62177548A Pending JPS6420147A (en) 1987-07-16 1987-07-16 Video printer

Country Status (1)

Country Link
JP (1) JPS6420147A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0462712A2 (en) * 1990-05-31 1991-12-27 Mitsubishi Denki Kabushiki Kaisha Signal processor for video printer
US5093828A (en) * 1989-03-21 1992-03-03 Datawatt B.V. Method of exchanging data
JPH0839843A (en) * 1994-07-27 1996-02-13 Konami Co Ltd Video printer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5093828A (en) * 1989-03-21 1992-03-03 Datawatt B.V. Method of exchanging data
EP0462712A2 (en) * 1990-05-31 1991-12-27 Mitsubishi Denki Kabushiki Kaisha Signal processor for video printer
JPH0839843A (en) * 1994-07-27 1996-02-13 Konami Co Ltd Video printer

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