CA938559A - Hammer firing system for a high speed printer - Google Patents
Hammer firing system for a high speed printerInfo
- Publication number
- CA938559A CA938559A CA111600A CA111600A CA938559A CA 938559 A CA938559 A CA 938559A CA 111600 A CA111600 A CA 111600A CA 111600 A CA111600 A CA 111600A CA 938559 A CA938559 A CA 938559A
- Authority
- CA
- Canada
- Prior art keywords
- high speed
- firing system
- speed printer
- hammer firing
- hammer
- 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.)
- Expired
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
- B41J9/00—Hammer-impression mechanisms
- B41J9/26—Means for operating hammers to effect impression
- B41J9/38—Electromagnetic means
-
- 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
- B41J2/485—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters or image elements applicable to two or more kinds of printing or marking processes
- B41J2/495—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters or image elements applicable to two or more kinds of printing or marking processes by selective printing from a rotating helical member
-
- 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
- B41J9/42—Hammer-impression mechanisms with anti-rebound arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Impact Printers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4976770A | 1970-06-25 | 1970-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA938559A true CA938559A (en) | 1973-12-18 |
Family
ID=21961615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA111600A Expired CA938559A (en) | 1970-06-25 | 1971-04-28 | Hammer firing system for a high speed printer |
Country Status (5)
Country | Link |
---|---|
US (1) | US3678847A (en) |
CA (1) | CA938559A (en) |
DE (1) | DE2131710A1 (en) |
FR (1) | FR2097935A5 (en) |
GB (1) | GB1313273A (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3843955A (en) * | 1972-10-19 | 1974-10-22 | Potter Instrument Co Inc | Helical bar strip chart recorder |
US3948168A (en) * | 1974-08-14 | 1976-04-06 | Willison K. Vance | Digital printer |
US4019100A (en) * | 1975-05-16 | 1977-04-19 | Printronix, Inc. | Print hammer energizing and control circuit |
US4062285A (en) * | 1975-10-15 | 1977-12-13 | Xerox Corporation | Hammer driver controller for impact printers |
US4291992A (en) * | 1979-05-22 | 1981-09-29 | R. C. Sanders Technology Systems, Inc. | Printer pin control circuitry |
DE2933616C2 (en) * | 1979-08-20 | 1982-09-23 | Siemens AG, 1000 Berlin und 8000 München | Damping device for an electromagnetic drive designed as a hinged armature magnet system for the print hammer in a print hammer arrangement |
DE2953825C1 (en) * | 1979-08-20 | 1983-12-29 | Siemens AG, 1000 Berlin und 8000 München | Control device for the electromagnetic drive of a print hammer |
US4273040A (en) * | 1979-09-28 | 1981-06-16 | International Business Machines Corporation | Segmented drum bar helix printer |
US4353656A (en) * | 1980-10-14 | 1982-10-12 | Xerox Corporation | Moving coil, multiple energy print hammer system including a closed loop servo |
US4333398A (en) * | 1980-11-06 | 1982-06-08 | General Electric Company | Driving force control system for impact printer |
US4348119A (en) * | 1980-11-06 | 1982-09-07 | General Electric Company | Bounce control system for moving coil printing element |
JPS57109678A (en) * | 1980-12-27 | 1982-07-08 | Ricoh Co Ltd | Plunger type printing hammer |
US4522122A (en) * | 1983-05-03 | 1985-06-11 | Ncr Canada Ltd - Ncr Canada Ltee | Fast impact hammer for high speed printer |
US4665371A (en) * | 1983-10-27 | 1987-05-12 | Ncr Corporation | Character spacing circuit for controlling print hammer firing |
US4743821A (en) * | 1986-10-14 | 1988-05-10 | International Business Machines Corporation | Pulse-width-modulating feedback control of electromagnetic actuators |
IT1215449B (en) * | 1987-04-30 | 1990-02-14 | Honeywell Inf Systems | CONTROL CIRCUIT FOR POINT PRINTER HEAD |
DE69316860T2 (en) * | 1992-12-18 | 1998-08-06 | Ibm | Punching by magnetic repulsion with dynamic damping |
US6484613B1 (en) * | 1993-07-27 | 2002-11-26 | International Business Machines Corporation | Electromagnetic bounce back braking for punch press and punch press process |
EP0746752A4 (en) | 1993-08-19 | 2000-02-23 | Venturedyne Ltd | Particle sensor with low-pressure-drop air flow system |
US5726568A (en) * | 1995-06-07 | 1998-03-10 | International Business Machines Corporation | Magneto-repulsion punching with dynamic damping |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1204680A (en) * | 1958-06-02 | 1960-01-27 | Bull Machines Sa | Improvements to electronic trigger devices |
GB999372A (en) * | 1961-03-30 | 1965-07-21 | Scm Corp | Tape feed |
NL292717A (en) * | 1962-05-16 |
-
1970
- 1970-06-25 US US49767A patent/US3678847A/en not_active Expired - Lifetime
-
1971
- 1971-04-28 CA CA111600A patent/CA938559A/en not_active Expired
- 1971-06-16 GB GB2826971A patent/GB1313273A/en not_active Expired
- 1971-06-16 FR FR7121845A patent/FR2097935A5/fr not_active Expired
- 1971-06-25 DE DE19712131710 patent/DE2131710A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2131710A1 (en) | 1971-12-30 |
FR2097935A5 (en) | 1972-03-03 |
US3678847A (en) | 1972-07-25 |
GB1313273A (en) | 1973-04-11 |
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