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JPS56109770A - Recording system - Google Patents

Recording system

Info

Publication number
JPS56109770A
JPS56109770A JP1238480A JP1238480A JPS56109770A JP S56109770 A JPS56109770 A JP S56109770A JP 1238480 A JP1238480 A JP 1238480A JP 1238480 A JP1238480 A JP 1238480A JP S56109770 A JPS56109770 A JP S56109770A
Authority
JP
Japan
Prior art keywords
gate
elements
block
blocks
circuit
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
JP1238480A
Other languages
Japanese (ja)
Inventor
Mutsuo Ogawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP1238480A priority Critical patent/JPS56109770A/en
Publication of JPS56109770A publication Critical patent/JPS56109770A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • B41J2/355—Control circuits for heating-element selection

Landscapes

  • Electronic Switches (AREA)
  • Fax Reproducing Arrangements (AREA)

Abstract

PURPOSE:To record inexpensive and better picture information dispensing with stabilizing power source by controlling the energizing time for the blocks comprising a plurality of thermo-sensitive recording elements corresponding to the number of elements in the block. CONSTITUTION:For example, in a thermal head designed to form 2,048 thermosensitive elements divided into 8 blocks, the number of elements 5 connected to a DC power source device of a driving circuit 4 varies within the range of 0-256 in each block. Power is supplied to the block by a time corresponding to the number of the elements driven by means of a gate circuit 3. In other words, when a picture information (b) is inputted into a shift register 8, it is counted with a counter 92 and transmitted to a logic circuit 94 via a decoder 93. Based on the input, the logic circuit 94 selects a proper gate from among ANd gate blocks connected to a timer block 95. Then, when a recording starting signal (e) is inputted, gate is opened and a signal (f) is outputted to open the gate circuit 3 only for a specified time (the combination of T1-T4).
JP1238480A 1980-02-06 1980-02-06 Recording system Pending JPS56109770A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1238480A JPS56109770A (en) 1980-02-06 1980-02-06 Recording system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1238480A JPS56109770A (en) 1980-02-06 1980-02-06 Recording system

Publications (1)

Publication Number Publication Date
JPS56109770A true JPS56109770A (en) 1981-08-31

Family

ID=11803762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1238480A Pending JPS56109770A (en) 1980-02-06 1980-02-06 Recording system

Country Status (1)

Country Link
JP (1) JPS56109770A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148781A (en) * 1982-03-02 1983-09-03 Sony Corp Density correction circuit for printer with heat-sensitive head
JPS5989073A (en) * 1982-11-12 1984-05-23 Hitachi Ltd recording device
JPH01500414A (en) * 1986-07-24 1989-02-16 イーストマン・コダック・カンパニー Thermal printer device with temperature compensation function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148781A (en) * 1982-03-02 1983-09-03 Sony Corp Density correction circuit for printer with heat-sensitive head
JPS5989073A (en) * 1982-11-12 1984-05-23 Hitachi Ltd recording device
JPH01500414A (en) * 1986-07-24 1989-02-16 イーストマン・コダック・カンパニー Thermal printer device with temperature compensation function

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