JPS5757681A - Heat-sensitive recording device - Google Patents

Heat-sensitive recording device

Info

Publication number
JPS5757681A
JPS5757681A JP55133564A JP13356480A JPS5757681A JP S5757681 A JPS5757681 A JP S5757681A JP 55133564 A JP55133564 A JP 55133564A JP 13356480 A JP13356480 A JP 13356480A JP S5757681 A JPS5757681 A JP S5757681A
Authority
JP
Japan
Prior art keywords
data
image signal
input
circuit
output
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
JP55133564A
Other languages
Japanese (ja)
Other versions
JPS6226627B2 (en
Inventor
Takashi Ozeki
Mamoru Mizuguchi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55133564A priority Critical patent/JPS5757681A/en
Publication of JPS5757681A publication Critical patent/JPS5757681A/en
Publication of JPS6226627B2 publication Critical patent/JPS6226627B2/ja
Granted 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
    • B41J2/36—Print density control

Landscapes

  • Electronic Switches (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

PURPOSE:To obtain a substantially uniform change in the recording thickness among the individual gradations, byu a device wherein data of an image signal from an A/D converter is added by logical sum data and logical product dat among the digits of that image signal data as gradation recording data. CONSTITUTION:An analg image signal 1 is converted into a digital image signal through an A/D coverter 2 and then input to storage circuits 31, 32, 33. Outputs from the storage circuits are input to a moltiplexer 6 together with output data from an OR circuit 4 and an AND circuit 5. Data taken out from the multiplexer 6 is serially input to a shift register 7 and stored therein. The stored data is latched by a latch pulse LP to be output to a driving circuit 9 in parallel, so that power is selectively fed to a plurality of heat emitting resistance materials 11 disposed in alignment on a base of a thermal heat 10, in accordance with the output data.
JP55133564A 1980-09-25 1980-09-25 Heat-sensitive recording device Granted JPS5757681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55133564A JPS5757681A (en) 1980-09-25 1980-09-25 Heat-sensitive recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55133564A JPS5757681A (en) 1980-09-25 1980-09-25 Heat-sensitive recording device

Publications (2)

Publication Number Publication Date
JPS5757681A true JPS5757681A (en) 1982-04-06
JPS6226627B2 JPS6226627B2 (en) 1987-06-10

Family

ID=15107746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55133564A Granted JPS5757681A (en) 1980-09-25 1980-09-25 Heat-sensitive recording device

Country Status (1)

Country Link
JP (1) JPS5757681A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697938A (en) * 1984-04-17 1987-10-06 Tokyo Electric Co., Ltd. Multi-tint thermal printing apparatus control system
JPH0236958A (en) * 1988-07-27 1990-02-06 Perifueraru Intaafueisu Ltd Kk Power conduction control method in multi-gradation thermal recording
JP2014079882A (en) * 2012-10-12 2014-05-08 Fujitsu Component Ltd Thermal printer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63259848A (en) * 1987-04-17 1988-10-26 Audio Technica Corp Optical pickup head

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5479048A (en) * 1977-12-07 1979-06-23 Hitachi Ltd Heat sensitive recorder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5479048A (en) * 1977-12-07 1979-06-23 Hitachi Ltd Heat sensitive recorder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697938A (en) * 1984-04-17 1987-10-06 Tokyo Electric Co., Ltd. Multi-tint thermal printing apparatus control system
JPH0236958A (en) * 1988-07-27 1990-02-06 Perifueraru Intaafueisu Ltd Kk Power conduction control method in multi-gradation thermal recording
JP2014079882A (en) * 2012-10-12 2014-05-08 Fujitsu Component Ltd Thermal printer

Also Published As

Publication number Publication date
JPS6226627B2 (en) 1987-06-10

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