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JPS5742265A - Print pulse width control system for heat sensing recorder - Google Patents
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JPS5742265A - Print pulse width control system for heat sensing recorder - Google Patents

Print pulse width control system for heat sensing recorder

Info

Publication number
JPS5742265A
JPS5742265A JP55117768A JP11776880A JPS5742265A JP S5742265 A JPS5742265 A JP S5742265A JP 55117768 A JP55117768 A JP 55117768A JP 11776880 A JP11776880 A JP 11776880A JP S5742265 A JPS5742265 A JP S5742265A
Authority
JP
Japan
Prior art keywords
video signal
writing
case
bit
twice
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.)
Granted
Application number
JP55117768A
Other languages
Japanese (ja)
Other versions
JPH0247152B2 (en
Inventor
Takashi Saito
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP55117768A priority Critical patent/JPS5742265A/en
Publication of JPS5742265A publication Critical patent/JPS5742265A/en
Publication of JPH0247152B2 publication Critical patent/JPH0247152B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40031—Circuits exciting or modulating particular heads for reproducing continuous tone value scales for a plurality of reproducing elements simultaneously

Landscapes

  • Electronic Switches (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Heads (AREA)
  • Fax Reproducing Arrangements (AREA)

Abstract

PURPOSE:To enable excellent printing and to improve the quality of picture, by shortening the print pulse width in case of standard two-writing than that in one- writing. CONSTITUTION:A video signal is inputted to one of line memories 10a, 10b from one input terminal PIX. In this case, the video signal of line is shifted N times to a shift register 2 in M-bit unit by other line memory. The video signal in M-bit transferred to the register 2 is stored in a latch circuit 3 and the video signal in next M-bit is stored in the latch circuit 3. While the video signal in next M-bit is transferred to the register 2, M sets of heating resistors 1a selected at a Y shift register 7 are energized and the electricity sensing recording paper is color developed. In case of the standard mode with twice writing, the clock frequency is twice as much of the case of high quality mode of one writing and the video signal for one line's share stored in line memory 10a or 10b is read out twice for twice writing.
JP55117768A 1980-08-28 1980-08-28 Print pulse width control system for heat sensing recorder Granted JPS5742265A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55117768A JPS5742265A (en) 1980-08-28 1980-08-28 Print pulse width control system for heat sensing recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55117768A JPS5742265A (en) 1980-08-28 1980-08-28 Print pulse width control system for heat sensing recorder

Publications (2)

Publication Number Publication Date
JPS5742265A true JPS5742265A (en) 1982-03-09
JPH0247152B2 JPH0247152B2 (en) 1990-10-18

Family

ID=14719835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55117768A Granted JPS5742265A (en) 1980-08-28 1980-08-28 Print pulse width control system for heat sensing recorder

Country Status (1)

Country Link
JP (1) JPS5742265A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58146265U (en) * 1982-03-29 1983-10-01 北辰工業株式会社 Toner guide plate for dry type electronic copying machine
JPS58205374A (en) * 1982-05-26 1983-11-30 Nec Corp Heat-sensing recorder
JPS59141872A (en) * 1983-02-02 1984-08-14 Fuji Xerox Co Ltd Heat-sensitive recorder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02150138U (en) * 1989-05-23 1990-12-25

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115923A (en) * 1974-07-31 1976-02-07 Hitachi Electronics
JPS5255831A (en) * 1975-06-04 1977-05-07 Nippon Telegr & Teleph Corp <Ntt> Dot-type printing system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115923A (en) * 1974-07-31 1976-02-07 Hitachi Electronics
JPS5255831A (en) * 1975-06-04 1977-05-07 Nippon Telegr & Teleph Corp <Ntt> Dot-type printing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58146265U (en) * 1982-03-29 1983-10-01 北辰工業株式会社 Toner guide plate for dry type electronic copying machine
JPS58205374A (en) * 1982-05-26 1983-11-30 Nec Corp Heat-sensing recorder
JPS59141872A (en) * 1983-02-02 1984-08-14 Fuji Xerox Co Ltd Heat-sensitive recorder

Also Published As

Publication number Publication date
JPH0247152B2 (en) 1990-10-18

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