JPS5430849A - Thermal head - Google Patents
Thermal headInfo
- Publication number
- JPS5430849A JPS5430849A JP9731477A JP9731477A JPS5430849A JP S5430849 A JPS5430849 A JP S5430849A JP 9731477 A JP9731477 A JP 9731477A JP 9731477 A JP9731477 A JP 9731477A JP S5430849 A JPS5430849 A JP S5430849A
- Authority
- JP
- Japan
- Prior art keywords
- thermal head
- voltage
- occurrence
- detecting
- prevent
- 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
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)
Abstract
PURPOSE:To make the voltage being applied to heating elements constant and prevent the occurrence of uneven density by detecting the voltage of the thermal head in a specified position and controlling supply voltage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9731477A JPS5430849A (en) | 1977-08-12 | 1977-08-12 | Thermal head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9731477A JPS5430849A (en) | 1977-08-12 | 1977-08-12 | Thermal head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5430849A true JPS5430849A (en) | 1979-03-07 |
Family
ID=14189016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9731477A Pending JPS5430849A (en) | 1977-08-12 | 1977-08-12 | Thermal head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5430849A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994007700A1 (en) * | 1992-09-25 | 1994-04-14 | Intermec Corporation | Thermal printhead with enhanced remote voltage sense capability |
US5714995A (en) * | 1992-09-25 | 1998-02-03 | Intermec Corporation | Thermal printhead with enhanced remote voltage sense capability |
-
1977
- 1977-08-12 JP JP9731477A patent/JPS5430849A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994007700A1 (en) * | 1992-09-25 | 1994-04-14 | Intermec Corporation | Thermal printhead with enhanced remote voltage sense capability |
US5625401A (en) * | 1992-09-25 | 1997-04-29 | Intermec Corporation | Thermal printhead with enhanced remote voltage sense capability |
US5714995A (en) * | 1992-09-25 | 1998-02-03 | Intermec Corporation | Thermal printhead with enhanced remote voltage sense capability |
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