JPS648049A - Recording device - Google Patents

Recording device

Info

Publication number
JPS648049A
JPS648049A JP16288887A JP16288887A JPS648049A JP S648049 A JPS648049 A JP S648049A JP 16288887 A JP16288887 A JP 16288887A JP 16288887 A JP16288887 A JP 16288887A JP S648049 A JPS648049 A JP S648049A
Authority
JP
Japan
Prior art keywords
head
drive
recording
bits
parameter
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
JP16288887A
Other languages
Japanese (ja)
Other versions
JP2693442B2 (en
Inventor
Kunihiko Miura
Kazuo Sasama
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
Toshiba Intelligent Technology Co Ltd
Original Assignee
Toshiba Corp
Toshiba Intelligent Technology 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, Toshiba Intelligent Technology Co Ltd filed Critical Toshiba Corp
Priority to JP16288887A priority Critical patent/JP2693442B2/en
Publication of JPS648049A publication Critical patent/JPS648049A/en
Application granted granted Critical
Publication of JP2693442B2 publication Critical patent/JP2693442B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Color, Gradation (AREA)

Abstract

PURPOSE:To accelerate the speed of recording by dividing a driving time when a black color is output by a binary output against a single dot to drive a recording head, integrating a head drive circuit which outputs gradients of 2<n> steps against a single dot and mounting said circuit inside the head. CONSTITUTION:An integrated circuit for drive (drive IC) 95 of a heating element 50 which constitutes a recording head 35 is provided with 32 output signal pads 105, and is driven at divided timing in units of 32 bits. Further, a total of 54 drive IC's 95 are used, and the total number of effective heating elements 50a provided is 1,728. Consequently, the effective heating elements 50a are driven at divided timing in units of 32 bits. For this reason, electric current which runs through a common electrode pattern 103 is significantly small, which prevents nonconformity attributed to voltage drop, electrode heating, etc. from occurring. In addition, the recording head 35 enables gradient recording of 2<n> steps when head application time is used as a parameter or head exposure time is used as a parameter.
JP16288887A 1987-06-30 1987-06-30 Recording device Expired - Fee Related JP2693442B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16288887A JP2693442B2 (en) 1987-06-30 1987-06-30 Recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16288887A JP2693442B2 (en) 1987-06-30 1987-06-30 Recording device

Publications (2)

Publication Number Publication Date
JPS648049A true JPS648049A (en) 1989-01-12
JP2693442B2 JP2693442B2 (en) 1997-12-24

Family

ID=15763159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16288887A Expired - Fee Related JP2693442B2 (en) 1987-06-30 1987-06-30 Recording device

Country Status (1)

Country Link
JP (1) JP2693442B2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58166074A (en) * 1982-03-29 1983-10-01 Toshiba Corp Thermal head
JPS60237764A (en) * 1984-05-11 1985-11-26 Mitsubishi Electric Corp Thermal head for gradational recording
JPS62116165A (en) * 1985-10-31 1987-05-27 Toshiba Corp Thermal head
JPS62179962A (en) * 1986-02-04 1987-08-07 Alps Electric Co Ltd Light emitting diode printing head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58166074A (en) * 1982-03-29 1983-10-01 Toshiba Corp Thermal head
JPS60237764A (en) * 1984-05-11 1985-11-26 Mitsubishi Electric Corp Thermal head for gradational recording
JPS62116165A (en) * 1985-10-31 1987-05-27 Toshiba Corp Thermal head
JPS62179962A (en) * 1986-02-04 1987-08-07 Alps Electric Co Ltd Light emitting diode printing head

Also Published As

Publication number Publication date
JP2693442B2 (en) 1997-12-24

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees