US3927365A - Switch operating device - Google Patents

Switch operating device Download PDF

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Publication number
US3927365A
US3927365A US34552773A US3927365A US 3927365 A US3927365 A US 3927365A US 34552773 A US34552773 A US 34552773A US 3927365 A US3927365 A US 3927365A
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United States
Prior art keywords
switching
transformers
transformer
group
operating device
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 - Lifetime
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English (en)
Inventor
Koji Kodama
Yujiro Kasai
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of USB345527I5 publication Critical patent/USB345527I5/en
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Publication of US3927365A publication Critical patent/US3927365A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic 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
    • H03K17/60—Electronic 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
    • H03K17/601—Electronic 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 using transformer coupling
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic 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
    • H03K17/60—Electronic 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
    • H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors
    • H03K17/6271—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors with several outputs only and without selecting means

Definitions

  • ABSTRACT A switch operating device comprising a driving transformer having the input side supplied with switching current, a plurality of switching transformers whose primary sides are connected in series to the output side of said driving transformer and a plurality of switching circuits connected to the corresponding secondary sides of said plurality of switching transformers.
  • This invention relates to a switch operating device for quick simultaneous control of the operation'of'a plural ity of switching circuits, for example, for reading out data from elements constituting a computer memory and storing data in said elements.
  • this type of switch operating device is widely applied, for example, in thosecircuits'for read ing out or storing signals having a plurality of bits which are used in the memory device of a data treating apparatus.
  • Said device is provided with a switching transformer for each of a plurality of switching elements for their simultaneous operation.
  • These switching trans transistor nonconducting, causing the switching circuit former are supplied with pulse current'to effect the for supplying driving voltage (+V) and one terminal 13A of a control switch 2 having the other terminal 138 grounded.
  • One terminal on the secondaryside of each of said plural transformer 3 to 3, is connected to the base of each of the transistors or the switching elements constituting switching circuits, for example, NPN transistors 4 to 4,, and the other terminal on the secondary side of the transformer is connected tothe' emitter of the switching element or NPN transistor.”
  • the collector and emitter of the transistor constitute the output terminals of the switching circuit.
  • the conventional operating device of the abovementioned arrangement was operated in the following manner.
  • the control switch 2 When the control switch 2 was open, the potentials of the primary windings of the transformers 3, to 3,, and that of the terminal 13 were maintained at plus V volts while the potential of the terminal 138 was at ground potential.
  • the control switch 2 When the control switch 2 was closed, the potential of the terminal 13A dropped toward ground while the potentials of the primary windings were maintained at plus V volts.
  • this transient voltage drop propagated from the tenninal 13A to one end of the secondary winding of the transformer 3n. Accordingly, a potential difference.
  • the prior art switch operating device raised a problem withzthe successively delayed operation of the respective switching elements. This originated with the fact that when the control switch 2 was closed, transient current was propogated to the respective transformer'3, to 3 in the order mentioned, namely, starting with the unit (3n) nearest to the control switch 2, causing the corresponding switching circuits to be actuated inthe'order' of 3,, to unit 3 in a successively ,delayed sequence. 'Similary when the control switch 2 was opened, the switching elements were cut off in succession, starting with the unit (4n) connected to the aforesaid transformer 3,, closest to the control switch 2.
  • This invention has been accompished in view of the above-mentioned circumstances and is intended to provide a-switch operating device easy of manufacture which" promi riently reduces the delay operation of a switching element and effects the simultaneous actuation of numerous switching circuits by means of a single circuit, thereby realizing the high speed operation of an apparatus like an electronic computer for which extremely quick work is demanded.
  • a switch. operating device comprising a driving transformer having the input side supplied with switching current; a plurality of switching transformers having the primary sides serially connected to the output side of said driving transformer; and a plurality of switching circuits-connected to the secondary sides of the corresponding switching transformers.
  • a switch operating device comprising a driving transfonner having the input side supplied with switching current; a plurality of switching transformers having the primary sides serially connected across one terminal onthe input side of said drive transformer and the terminal of a source of said switching current as well as to theoutput side of said driving transformer.
  • referential numeral 11 is a power supply terminal impressed with drive voltage (+V).
  • This power supply terminal 11 is connected to one terminal on the primary side of a driving transformer 12 so as to supply pulse current to a plurality of the later described switching transformers 14 to 14,,
  • the other terminal on the primary side of said driving transformer 12 is connected to one terminal 13a of a control switch 13 for generating pulse current, the other terminal 13b of which is grounded.
  • the control switch 13 When the control switch 13 is closed, a transient current propagates in the direction of the indicated arrow a.
  • Both terminals on the secondary side of the driving transformer 12 are connected to both ends of a circuit consisting of the serially connected primary sides of a plurality of switching trans- ,forrners 14 to 14,,
  • One terminal on the secondary side of each of said switching transformers 14 to 14, is connected to the base of each o'fa plurality of, for example, NPN transistors 16, to 16, constituting switching circuits 15 to 15
  • the collectors of said NPN transistors 16 to 16, are connected to the output terminals 15 to 15,,a on one side of the switching circuits 15 to 15,.
  • the emitters of said NPN transistors 16 to 16, are connected to the other terminal on the secordary side of each of the switching transformers 14 to l4, and also to the output terminals 15 to 15, on the opposite side of the switching circuits 15 to 15
  • the arrows b and c in FIG. 2 indicate the direction of a steady state current induced in thesecondary winding of the transformer 12.
  • control switch 13 When the control switch 13 is not actuated, no voltage is induced on the secondary side of the transformer 12 and no voltage difference appears across both terminals of the secondary side. Now, however, the control switch 13 is actuated. Upon said actuation, pulse current flows through the primary side of the driving transformer 12, and voltages of opposite polarity plus v and minus v are simultaneously induced on the terminals of the secondary side thereof. The transient voltage rise pluse v on the upper terminal of the secondary side propagates to the upper end of the primary winding of the switching transfonner 14 plus causing a first transient current to flow therein.
  • the transient voltage drop minus v on the lower terminal of the'secondary side of the transformer propagates to the lower end of the primary winding of the transformer 14,, thus causing a second transient current to fow therein.
  • the transient voltage rise plus v propagated to the switching transformer 14 and the transient voltage drop minus v propagated to the switching transformer 14, are simultaneously propagated to the switching transformers 14 and 14 respectively, and thus first and second transient currents flow simultaneously in the primary windings of the switching transformers 14,
  • the induced first transient current in the direction of the arrow 12 propagates through the primary sides of the switching transformers 14 to 14 in the order mentioned, namely, starting with the unit 14, whereas the induced second transient current in the direction of the steady state current propagates arrow c in the opposite way through the primary sides of the switching transformers 14,, to 14,, namely, starting with the unit 14,, Now assuming that the propagation or delay time of the transient voltage rise and drop in each primary winding of the switching transformers 14 to 14,, is At, the whole time delay therein will be N divided by 2 X A t.
  • the switch operating device of this invention ehables energization of all the switching transformers 14 to 14,, twice as fast as that when a single stream of induced transient voltage is propogated way through all the switching transformers 14 to 14,,
  • terminal 13a As current i1 runs out from terminal 13a to terminal 13b, terminal 13a has its potential reduced to zero.
  • FIG. 3 differs from that of FIG. 2 in that the driving transformer 22 consists of a balance-unbalance converison transformer, namely, a baluns (or balancing) transformer.
  • the power supply terminal 11 is connected to one terminal on the input or primary side of said baluns transformer 22 and the other terminal on the input side, namely, one terminal on the secondary side of said baluns transformer 22 is connected to one terminal of the control switch 13.
  • One terminal on the output side, namely, the other terminal of the primary side of said baluns transformer 22 is connected to one terminal on the primary side of the switching transformer 14,, and the other terminal on the output side, namely, on the secondary side is connected to one terminal on the primary side of a switching transformer 14,,
  • the control switch 13 When the control switch 13 is closed, two streams of induced transient voltages pulse V and minus V propogate through both output terminals of the baluns transformer 22.
  • One stream of transient voltage propagates through a group of switching transformers, starting with one terminal in the primary side of the unit 14 toward the central unit of said series and the other stream of the voltage minus v propagates through the group of transformers in the opposite way, starting with an outer terminal on the primary side of the unit 14,, similarly toward the central unit.
  • both ends of a circuit consisting of the serially connect primary sides of a first group of switching transformers 14, to 14, are connected between the power supply terminal 11 and one terminal on the primary side of the driving transformer 12.
  • To both terminals on the secondary sides of the driving transformer 12 having the primary side connected in the aforesaid manner are connected both ends of a circuit consisting of the serially connected primary sides of a second group of switching transformers 14 to 14,,.
  • the first group of switching transformers 14 to 14 and the second group of switching transformers l4,,, to 14, are connected to a first group of switching circuits 15 to 15 and second group of switching circuits 15,,, to 15 respectively.
  • the power supply terminal 11 is impressed with driving voltage (+V) to actuate the control switch 13.
  • driving voltage (+V) to actuate the control switch 13.
  • two streams of transient voltages plus v and minus v are transmitted through the primary side of the driving transformer 12 simultaneously and are induced on the secondary side of said transformer 12.
  • the transient voltage passing through the primary side of the transformer 12 propagates through the first group of switching transformers 14 to 14, in the order mentioned, namely, starting with the unit 14,, nearest to the driving transformer 12, thereby successively actuating the transistors 16, to 16, connected to the secondary sides of the switching transformers 14, to l4,,,.
  • the time required for said both streams of transient voltage to be propagate through the first and second groups of switching transformers 14, to 14 and 14,,, to 14,, is one third of that which is required for a single stream of pulse current to travel through said both groups of switching transformers in one way only from, for example, the aforesaid unit 14,
  • the induced pulse current is supplied to the base-emitter regions of the switching transistors 16, to 16,, connected to the secondary sides of the corresponding switching transformers 14, to 14,, so as to actuate said switching transistors 16, to 16,,
  • switching circuits 15, to 15 constituting a first group are successively cut off, starting with the unit 15 and switching circuits 15,,, to 15,, constituting a second 8. group are also successively cut off toward the central unit, starting with both end circuits l5,,, and 15
  • the switching circuits 15, to 15, are successively turned on or off with a prominently minimized time delay.
  • FIG. 5 a further embodiment of this invention.
  • the driving transformer consists of a balance-unbalance conversion transformer, namely, a baluns transformer 22.
  • a baluns transformer 22 Between the power supply terminal 11 and one input terminal, namely, one terminal on the primary side of the baluns transformer 22 are connected both ends of a circuit consisting of the serially connected primary sides of a first group of switching transformers 14, to 14 having a number substantially equal to one third of the total switching transformers 14, to 14, having a required number n.
  • the other input terminal namely, one terminal on the secondary side of said baluns transformer 22 is connected to one terminal of the control switch 13.
  • One output terminal, namely, the other terminal on the primary side of said baluns transformer 22 is connected to one terminal on the primary side of a switching transformer l4,,, constituting one of the endunits of thesecond group of switchingtransformers l4,,, to 14,,
  • the other output terminal, namely, one terminal on the secondary side of said baluns transformer 22 is connected to one terminal on the primary side of a switching transformer 14,, constituting the opposite end unit of the second group of switching transformers 14,,, to 14,,.
  • the above-mentioned arrangement of FIG. 5 causes two streams of transient voltages plus v and minus v to propagate through both input terminals of the baluns transformer 22.
  • the first stream of transient voltage propogates through the first group of switching transformers l4,,, to" 14, in the order mentioned, namely, starting with one terminal on the primary side of the switching transformer 14,,
  • the second stream of transient voltage passes through the second group of switching transformers toward the central unit, starting with one ter minal on the primary side of the transformer 14,,
  • the third stream of transient voltage is propagated through the second group of switching transformers toward the central unit, starting with the one terminal on the primary side of the switching transformer 14,,.
  • the streams of transient voltages are collectively propagated through the whole series of switching transformers 14, to 14,, three times quicker than when a single stream of pulse current moves through said entire series of switching transformers 14, to 14,,. Therefore, the switching circuits are successively turned on or off with an exceedingly reduced time delay.
  • the polarity of the driving power source, the resultant direction in which the pulse current passes and the arrangement of the switching circuits are not limited to those described in connection with the foregoing embodiments, but may be obviously used in any modification, insofar as they do not depart from the object of this invention.
  • a switch operating device comprising a driving transformer having the input side thereof supplied with switching current; a plurality of switching transformers having the primary sides thereof serially connected to the output side of driving transformer; and a plurality of switching circuits connected to the secondary sides of said switching transformers.
  • the switch operating device wherein the driving transformer has a primary winding connected across the terminals of a power source through a control switch and a secondary winding connected to the serially connected primary sides of said plurality of switching transformers.
  • the switch operating device wherein the driving transformer is a balance-unbalance conversion or baluns type having two input terminals connected between the terminals of a power source through a control switch and two output terminals connected to the serially connected primary sides of said pluarlity of switching transformers.
  • a switch operating device comprising a driving transformer having the input side thereof supplied with switching current; a first plurality of switching transformers whose primary sides are serially connected between one inout terminal of said driving transformer and the source of said switching current, a second plurality of switching transformers whose primary sides are serially connected between the output terminals of said driving transfomier; and a plurality of switching circuits connected to the secondary sides of said first and second plurality of switching transformers.
  • the switch operating device wherein the driving transformer has a primary winding connected across the terminals of a power source through a control switch and the serially connected primary sides of a first group of switching transformers; and a secondary winding connected to the serially connected primary sides of a second group of switching transformers.
  • the driving transformer is a balance-unbalance conversion or baluns type having two input terminals connected across the terminals of the power source through the control switch and the serially connected primary sides of the first group of switching transformers; and two output terminals connected to the serially connected primary sides of the second group of switching transformers.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electronic Switches (AREA)
US34552773 1972-03-31 1973-03-28 Switch operating device Expired - Lifetime US3927365A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3246572A JPS5331350B2 (ja) 1972-03-31 1972-03-31

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USB345527I5 USB345527I5 (ja) 1975-01-28
US3927365A true US3927365A (en) 1975-12-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163887A (en) * 1977-03-18 1979-08-07 A.G. Fur Industrielle Elektronik Agie Losone B. Locarno Pulse generator for electroerosive processing
US4447741A (en) * 1982-09-27 1984-05-08 Northern Telecom Limited Base drive circuit for power transistors
WO1998026505A1 (en) * 1996-12-12 1998-06-18 Hadland Photonics Limited High voltage ramp generator
US20160329889A1 (en) * 2015-05-07 2016-11-10 Ge Energy Power Conversion Technology Ltd. Gate drive circuit to reduce parasitic coupling

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356931A (en) * 1965-11-19 1967-12-05 Hughes Aircraft Co High voltage transformer
US3601690A (en) * 1970-02-16 1971-08-24 Gen Dynamics Corp Multicoupler employing a multiple filar-wound transformer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356931A (en) * 1965-11-19 1967-12-05 Hughes Aircraft Co High voltage transformer
US3601690A (en) * 1970-02-16 1971-08-24 Gen Dynamics Corp Multicoupler employing a multiple filar-wound transformer

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163887A (en) * 1977-03-18 1979-08-07 A.G. Fur Industrielle Elektronik Agie Losone B. Locarno Pulse generator for electroerosive processing
US4447741A (en) * 1982-09-27 1984-05-08 Northern Telecom Limited Base drive circuit for power transistors
WO1998026505A1 (en) * 1996-12-12 1998-06-18 Hadland Photonics Limited High voltage ramp generator
GB2336959A (en) * 1996-12-12 1999-11-03 Hadland Photonics Limited High voltage ramp generator
US6198269B1 (en) 1996-12-12 2001-03-06 Drs Hadland Ltd. Converter with continuous currents flowing through secondary windings
GB2336959B (en) * 1996-12-12 2001-04-25 Hadland Photonics Ltd High voltage ramp generator
US20160329889A1 (en) * 2015-05-07 2016-11-10 Ge Energy Power Conversion Technology Ltd. Gate drive circuit to reduce parasitic coupling
CN106130322A (zh) * 2015-05-07 2016-11-16 通用电气能源能量变换技术有限公司 减少寄生耦合的栅极驱动电路
GB2540020A (en) * 2015-05-07 2017-01-04 Ge Energy Power Conversion Technology Ltd Gate drive circuit to reduce parasitic coupling
US9887697B2 (en) * 2015-05-07 2018-02-06 Ge Energy Power Conversion Technology Ltd Gate drive circuit to reduce parasitic coupling
GB2540020B (en) * 2015-05-07 2019-03-13 Ge Energy Power Conversion Technology Ltd Gate drive circuit to reduce parasitic coupling
CN106130322B (zh) * 2015-05-07 2020-10-02 通用电气能源能量变换技术有限公司 减少寄生耦合的栅极驱动电路

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Publication number Publication date
JPS5331350B2 (ja) 1978-09-01
USB345527I5 (ja) 1975-01-28
JPS48101038A (ja) 1973-12-20

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