CA2051571A1 - Hammer energy control for quiet impact printer - Google Patents
Hammer energy control for quiet impact printerInfo
- Publication number
- CA2051571A1 CA2051571A1 CA 2051571 CA2051571A CA2051571A1 CA 2051571 A1 CA2051571 A1 CA 2051571A1 CA 2051571 CA2051571 CA 2051571 CA 2051571 A CA2051571 A CA 2051571A CA 2051571 A1 CA2051571 A1 CA 2051571A1
- Authority
- CA
- Canada
- Prior art keywords
- hammer
- platen
- impact
- velocity
- region
- 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.)
- Abandoned
Links
- 238000007639 printing Methods 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 230000004044 response Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 9
- 238000013459 approach Methods 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000002457 bidirectional effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000003116 impacting effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000005534 acoustic noise Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920004943 Delrin® Polymers 0.000 description 1
- 241000490229 Eucephalus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000032258 transport 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
- B41J9/00—Hammer-impression mechanisms
- B41J9/44—Control for hammer-impression mechanisms
Landscapes
- Handling Of Sheets (AREA)
- Dot-Matrix Printers And Others (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62556990A | 1990-12-11 | 1990-12-11 | |
| US625569 | 1990-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2051571A1 true CA2051571A1 (en) | 1992-06-12 |
Family
ID=24506688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2051571 Abandoned CA2051571A1 (en) | 1990-12-11 | 1991-09-17 | Hammer energy control for quiet impact printer |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0490643B1 (de) |
| JP (1) | JPH0798405B2 (de) |
| CA (1) | CA2051571A1 (de) |
| DE (1) | DE69111395T2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3503674B2 (ja) * | 1996-09-19 | 2004-03-08 | 日立プリンティングソリューションズ株式会社 | 印刷装置の印刷密度制限装置及び印刷密度制限方法 |
| JP2000052599A (ja) * | 1998-08-11 | 2000-02-22 | Hitachi Koki Co Ltd | 印刷装置のシャトル制御方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7604474A (en) * | 1976-04-27 | 1977-10-31 | Tealtronic Nederland B V | Electric typewriter hammer driving mechanism - has coil supplied with pulses fixed to hammer tip working in magnetic field |
| US4353656A (en) * | 1980-10-14 | 1982-10-12 | Xerox Corporation | Moving coil, multiple energy print hammer system including a closed loop servo |
| JPS61141574A (ja) * | 1984-12-14 | 1986-06-28 | Sharp Corp | 印字押圧力制御装置 |
| SE8802426L (sv) * | 1987-10-31 | 1989-05-01 | Triumph Adler Ag | Anordning foer avtryckning av paa en summatypsbaerare anordnade skrivtecken |
-
1991
- 1991-09-17 CA CA 2051571 patent/CA2051571A1/en not_active Abandoned
- 1991-12-07 JP JP32347891A patent/JPH0798405B2/ja not_active Expired - Fee Related
- 1991-12-10 EP EP19910311480 patent/EP0490643B1/de not_active Expired - Lifetime
- 1991-12-10 DE DE1991611395 patent/DE69111395T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0798405B2 (ja) | 1995-10-25 |
| EP0490643A3 (en) | 1992-10-21 |
| JPH04292965A (ja) | 1992-10-16 |
| DE69111395D1 (de) | 1995-08-24 |
| EP0490643A2 (de) | 1992-06-17 |
| EP0490643B1 (de) | 1995-07-19 |
| DE69111395T2 (de) | 1996-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |