DE3814545A1 - Thermokopf-ueberwachungsschaltkreis - Google Patents
Thermokopf-ueberwachungsschaltkreisInfo
- Publication number
- DE3814545A1 DE3814545A1 DE19883814545 DE3814545A DE3814545A1 DE 3814545 A1 DE3814545 A1 DE 3814545A1 DE 19883814545 DE19883814545 DE 19883814545 DE 3814545 A DE3814545 A DE 3814545A DE 3814545 A1 DE3814545 A1 DE 3814545A1
- Authority
- DE
- Germany
- Prior art keywords
- thermal head
- voltage
- control unit
- controller
- 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
Links
- 238000012544 monitoring process Methods 0.000 title claims description 23
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12293487U JPS6427250U (enExample) | 1987-08-11 | 1987-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3814545A1 true DE3814545A1 (de) | 1989-02-23 |
Family
ID=14848227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19883814545 Granted DE3814545A1 (de) | 1987-08-11 | 1988-04-29 | Thermokopf-ueberwachungsschaltkreis |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS6427250U (enExample) |
| DE (1) | DE3814545A1 (enExample) |
| GB (1) | GB2207889B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0671276B1 (en) * | 1994-03-09 | 1997-01-22 | Agfa-Gevaert N.V. | Thermal printer comprising a "real-time" temperature estimation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5560351A (en) * | 1978-10-30 | 1980-05-07 | Hitachi Denshi Ltd | Data collection system |
-
1987
- 1987-08-11 JP JP12293487U patent/JPS6427250U/ja active Pending
-
1988
- 1988-04-29 DE DE19883814545 patent/DE3814545A1/de active Granted
- 1988-08-10 GB GB8818995A patent/GB2207889B/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5560351A (en) * | 1978-10-30 | 1980-05-07 | Hitachi Denshi Ltd | Data collection system |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2207889A (en) | 1989-02-15 |
| JPS6427250U (enExample) | 1989-02-16 |
| GB8818995D0 (en) | 1988-09-14 |
| GB2207889B (en) | 1991-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |