IT1001997B - Circuito di pilotaggio per elet tromagnete di stampa - Google Patents
Circuito di pilotaggio per elet tromagnete di stampaInfo
- Publication number
- IT1001997B IT1001997B IT3177173D IT3177173D IT1001997B IT 1001997 B IT1001997 B IT 1001997B IT 3177173 D IT3177173 D IT 3177173D IT 3177173 D IT3177173 D IT 3177173D IT 1001997 B IT1001997 B IT 1001997B
- Authority
- IT
- Italy
- Prior art keywords
- piloting circuit
- printing electromagnet
- electromagnet
- printing
- piloting
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1883—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings by steepening leading and trailing edges of magnetisation pulse, e.g. printer drivers
-
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Impact Printers (AREA)
- Protection Of Static Devices (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT31771/73A IT1001996B (it) | 1973-11-28 | 1973-11-28 | Calcestruzzo incorporante dei corpi pieni oppure cavi a forma sferica c pseudo sferica in vetro |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1001997B true IT1001997B (it) | 1976-04-30 |
Family
ID=11234335
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT31771/73A IT1001996B (it) | 1973-11-28 | 1973-11-28 | Calcestruzzo incorporante dei corpi pieni oppure cavi a forma sferica c pseudo sferica in vetro |
IT3177173D IT1001997B (it) | 1973-11-28 | 1973-11-28 | Circuito di pilotaggio per elet tromagnete di stampa |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT31771/73A IT1001996B (it) | 1973-11-28 | 1973-11-28 | Calcestruzzo incorporante dei corpi pieni oppure cavi a forma sferica c pseudo sferica in vetro |
Country Status (3)
Country | Link |
---|---|
US (1) | US3909681A (it) |
JP (1) | JPS5821405B2 (it) |
IT (2) | IT1001996B (it) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1030929B (it) * | 1974-12-20 | 1979-04-10 | Honeywell Inf Systems | Circuito di pilotaggio per elettromagnete di stampa |
US4032766A (en) * | 1976-05-17 | 1977-06-28 | Tally Corporation | Wide range current flow fault detector |
US4071874A (en) * | 1976-06-28 | 1978-01-31 | Xerox Corporation | Hammer protection circuit |
JPS5319754U (it) * | 1976-07-30 | 1978-02-20 | ||
DE2732512C2 (de) * | 1977-07-19 | 1979-09-13 | Frankl & Kirchner Gmbh & Co Kg Fabrik Fuer Elektromotoren U. Elektrische Apparate, 6830 Schwetzingen | Schutzschaltungsanordnung für einen elektronischen Schaltverstärker vor einem Elektromagneten |
GB1604402A (en) * | 1977-07-20 | 1981-12-09 | Lucas Industries Ltd | Solenoid drive circuits |
NL177294C (nl) * | 1977-11-03 | 1985-09-02 | Philips Nv | Drukker, voorzien van een slaginrichting met opnemer. |
US4327394A (en) * | 1978-02-27 | 1982-04-27 | The Bendix Corporation | Inductive load drive circuit utilizing a bi-level output comparator and a flip-flop to set three different levels of load current |
JPS5910315B2 (ja) * | 1978-04-06 | 1984-03-08 | 株式会社リコー | 衝撃型プリンタの印字ハンマ−駆動制御装置 |
US4173030A (en) * | 1978-05-17 | 1979-10-30 | General Motors Corporation | Fuel injector driver circuit |
DE2828678A1 (de) * | 1978-06-30 | 1980-04-17 | Bosch Gmbh Robert | Verfahren und einrichtung zum betrieb eines elektromagnetischen verbrauchers, insbesondere eines einspritzventils in brennkraftmaschinen |
US4227230A (en) * | 1978-09-19 | 1980-10-07 | Texas Instruments Incorporated | Switch mode driver |
DE2915317A1 (de) * | 1979-04-14 | 1980-10-23 | Binder Magnete | Schaltung zur steuerung eines impulsmagneten |
US4293888A (en) * | 1979-06-25 | 1981-10-06 | International Business Machines Corporation | Print hammer drive circuit with compensation for voltage variation |
EP0026068B1 (en) * | 1979-09-22 | 1984-02-15 | LUCAS INDUSTRIES public limited company | Circuits for electromagnet energisation control |
US4326234A (en) * | 1980-06-06 | 1982-04-20 | Westinghouse Electric Corp. | Electrically held power relay circuit with reduced power dissipation |
US4344102A (en) * | 1980-09-18 | 1982-08-10 | Square D Company | Anti-telegraph control circuit for electromagnet coil |
DE3047488A1 (de) * | 1980-12-17 | 1982-07-22 | Brown, Boveri & Cie Ag, 6800 Mannheim | Elektronische schaltungsanordnung fuer ein elektromagnetisches schaltgeraet |
ZA828579B (en) * | 1981-12-09 | 1983-09-28 | Sperry Corp | Pulse width modulated control circuit for double solenoid valve |
US4706561A (en) * | 1984-10-25 | 1987-11-17 | Genicom Corporation | Printing activator test circuit generating back EMF |
US4667117A (en) * | 1984-10-31 | 1987-05-19 | International Business Machines Corporation | Self-timing and self-compensating print wire actuator driver |
US4674897A (en) * | 1985-08-26 | 1987-06-23 | Dataproducts, Inc. | Actuator for dot matrix printhead |
DE3620535A1 (de) * | 1986-06-19 | 1987-12-23 | Mannesmann Ag | Elektronische steuerschaltung, insbesondere fuer einen drucker |
DE3623908A1 (de) * | 1986-07-15 | 1988-01-21 | Spinner Gmbh Elektrotech | Steuerschaltung fuer die magnetspule eines elektromagneten |
IT1215449B (it) * | 1987-04-30 | 1990-02-14 | Honeywell Inf Systems | Circuito di comando per testina stampante a punti |
IT1228416B (it) * | 1987-07-14 | 1991-06-17 | Honeywell Bull Spa | Circuito di recupero di potenza. |
DE3739295C1 (de) * | 1987-11-20 | 1989-04-20 | Triumph Adler Ag | Verfahren zur Rueckpralldaempfung bei Druckhammermagneten in Schreib- oder aehnlichen Bueromaschinen |
JPH0396370A (ja) * | 1989-07-18 | 1991-04-22 | Brother Ind Ltd | 印字動作用ソレノイド駆動制御装置 |
JPH0396371A (ja) * | 1989-07-18 | 1991-04-22 | Brother Ind Ltd | 印字動作用ソレノイド駆動制御装置 |
DE4020836A1 (de) * | 1990-06-29 | 1992-01-02 | Kloeckner Humboldt Deutz Ag | Steuervorrichtung fuer ein elektromagnetisches ventil |
GB2269950A (en) * | 1992-08-22 | 1994-02-23 | Rover Group | Fuel injector controller with fault monitoring |
JP4033937B2 (ja) * | 1997-02-19 | 2008-01-16 | 株式会社日立製作所 | ソレノイドバルブの異常検出装置 |
JPH11311651A (ja) * | 1998-04-28 | 1999-11-09 | Mikuni Corp | 電磁コイル動作装置の故障判別装置 |
JP2007027465A (ja) * | 2005-07-19 | 2007-02-01 | Aisin Seiki Co Ltd | リニアソレノイドの駆動回路 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL279663A (it) * | 1961-07-05 | |||
US3206651A (en) * | 1961-11-30 | 1965-09-14 | Honeywell Inc | Circuit controlling flow of current |
US3235775A (en) * | 1962-06-22 | 1966-02-15 | Teletype Corp | Selector magnet driver |
US3582734A (en) * | 1969-04-24 | 1971-06-01 | Raytheon Co | Coil driver with high voltage switch |
US3549955A (en) * | 1969-08-19 | 1970-12-22 | T O Paine | Drive circuit for minimizing power consumption in inductive load |
US3859572A (en) * | 1973-03-16 | 1975-01-07 | Ibm | Magnetic coil driver circuit |
-
1973
- 1973-11-28 IT IT31771/73A patent/IT1001996B/it active
- 1973-11-28 IT IT3177173D patent/IT1001997B/it active
-
1974
- 1974-11-19 US US525220A patent/US3909681A/en not_active Expired - Lifetime
- 1974-11-26 JP JP49136095A patent/JPS5821405B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1001996B (it) | 1976-04-30 |
JPS5821405B2 (ja) | 1983-04-30 |
JPS5086931A (it) | 1975-07-12 |
US3909681A (en) | 1975-09-30 |
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