GB920162A - Solenoid-driving circuit - Google Patents

Solenoid-driving circuit

Info

Publication number
GB920162A
GB920162A GB4176261A GB4176261A GB920162A GB 920162 A GB920162 A GB 920162A GB 4176261 A GB4176261 A GB 4176261A GB 4176261 A GB4176261 A GB 4176261A GB 920162 A GB920162 A GB 920162A
Authority
GB
United Kingdom
Prior art keywords
hammer
solenoid
paper
transistor circuit
driving circuit
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
Application number
GB4176261A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NCR Corp
Original Assignee
NCR Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to US8185961A priority Critical
Application filed by NCR Corp filed Critical NCR Corp
Publication of GB920162A publication Critical patent/GB920162A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/18Modifications for indicating state of switch
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J9/00Hammer-impression mechanisms
    • B41J9/44Control for hammer-impression mechanisms
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/64Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors having inductive loads
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/18Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of receivers
    • H04L13/182Printing mechanisms

Abstract

920,162. Selective printing. NATIONAL CASH REGISTER CO. Nov. 22, 1961 [Jan. 10, 1961], No. 41762/61. Drawings to Specification. Class 100 (4). [Also in Group XL (c)] In a high-speed printer the current in the hammer-actuating solenoid is limited by a transistor circuit (see Group XL (c)) to a value not substantially greater than is required to saturate the associated electromagnet. The printer may be of the type comprising an array of type wheels rotating at 1,200 r.p.m. above the paper. Each character is printed by movement of a hammer in the form of a thin rod under the control of the transistor circuit. The printing time may be 50 Ás.; the paper being moved in steps at 20 lines per second.
GB4176261A 1961-01-10 1961-11-22 Solenoid-driving circuit Expired GB920162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US8185961A true 1961-01-10 1961-01-10

Publications (1)

Publication Number Publication Date
GB920162A true GB920162A (en) 1963-03-06

Family

ID=22166860

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4176261A Expired GB920162A (en) 1961-01-10 1961-11-22 Solenoid-driving circuit

Country Status (6)

Country Link
US (1) US3123746A (en)
CH (1) CH380994A (en)
DE (1) DE1214450B (en)
GB (1) GB920162A (en)
NL (1) NL273222A (en)
SE (1) SE318140B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254705A (en) * 1977-04-15 1981-03-10 Hitachi Koki Company Limited Printing magnet drive device

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB999374A (en) * 1961-03-30 1965-07-21 Scm Corp Printer hammer mech
NL279663A (en) * 1961-07-05
US3235775A (en) * 1962-06-22 1966-02-15 Teletype Corp Selector magnet driver
US3241002A (en) * 1962-11-05 1966-03-15 Eaton Mfg Co Control for electromagnetic coupling apparatus
US3409785A (en) * 1965-11-10 1968-11-05 Ibm Wide band electronically variable level shifter
FR1543794A (en) * 1966-12-30 Ibm Drive system for a printing hammer
DE1614530C2 (en) * 1967-05-23 1975-11-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen
IT1030929B (en) * 1974-12-20 1979-04-10 Honeywell Inf Systems Driving circuit for printing electromagnet
US4572927A (en) * 1983-03-09 1986-02-25 Gte Communication Systems Corporation Current limiter for telephone office signalling
US5784244A (en) * 1996-09-13 1998-07-21 Cooper Industries, Inc. Current limiting circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805620A (en) * 1951-12-15 1957-09-10 Rosen Leo Control means for high speed printing apparatus
US2915966A (en) * 1955-06-13 1959-12-08 Sperry Rand Corp High speed printer
US2896130A (en) * 1955-09-16 1959-07-21 Burroughs Corp Transistor actuated device
US3018419A (en) * 1955-09-26 1962-01-23 Sperry Rand Corp Regenerative actuator drive circuits
DE1076420B (en) * 1956-02-14 1960-02-25 Olympia Werke Ag Printing unit controlled by a memory device for printing machines, in particular office machines
US2990478A (en) * 1957-02-25 1961-06-27 Thompson Ramo Wooldridge Inc Anti-saturation circuits for transistor amplifiers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254705A (en) * 1977-04-15 1981-03-10 Hitachi Koki Company Limited Printing magnet drive device

Also Published As

Publication number Publication date
US3123746A (en) 1964-03-03
DE1214450B (en) 1966-04-14
SE318140B (en) 1969-12-01
CH380994A (en) 1964-08-14
NL273222A (en)

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