JPS648049A - Recording device - Google Patents
Recording deviceInfo
- 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
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.
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)
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 |
-
1987
- 1987-06-30 JP JP16288887A patent/JP2693442B2/en not_active Expired - Fee Related
Patent Citations (4)
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 |