Silicon-controlled rectifier shift register and ring counter

Claim 2

A control circuit comprising: a plurality of cascaded stages, each stage including a siliconcontrolled rectifier having anode, cathode and gate electrodes; the anode electrodes of all of said silicon-controlled rectifiers being coupled to a voltage source; the cathode electrode of each of said silicon-controlled rectifiers being coupled through a separate voltage transfer means to the gate electrode of the silicon-controlled rectifier of the subsequent stage of said stages; separate voltage storage means coupled between a common potential point and the cathode electrode of each of said silicon-controlled rectifier means; switching means coupled between a common potential point and the cathode electrodes of said silicon-controlled rectifiers; and voltage switching means coupled to said voltage transfer means and said switching means.

Claim 3

A control circuit as defined in claim 1 wherein separate input signal circuit means are coupled to each of the gate electrodes of all of said silicon-controlled rectifiers and separate output signal circuit means are coupled to each anode electrode of all of said silicon-controlled rectifiers.

Claim 4

A control circuit as defined in claim 2 wherein said separate input signal means and said separate voltage transfer means are interconnected in any desired sequence.

Claim 5

A control circuit as defined in claim 1 wherein each of said separate voltage storage means comprises a capacitor.

Claim 6

A control circuit as defined in claim 1 wherein each of said separate voltage transfer means comprises a transistor having its collector coupled to the cathode electrode of the silicon-controlled rectifier of one of said stages, its emitter coupled to the gate electrode of the silicon-controlled rectifier of the subsequent stage and its base coupled to said voltage-switching means.

Claim 7

A control circuit as defined in claim 1 wherein said switching means comprises a plurality of circuits, one for each stage of said stages, each including a transistor having its emitter connected to a common potential point, its collector connected to the cathode electrode of the silicon-controlled rectifier of the associated stage of said stages and its base electrode coupled to said voltage-switching means.

Claim 8

A control circuit as defined in claim 1 wherein: said switching means comprised a plurality of circuits, one for each stage of said stages, each including a first transistor having its base coupled to said voltage-switching means, its emitter connected to ground and its collector coupled to said voltage source; and a second transistor having its base connected to the collector of said first transistor, its emitter connected to a common potentiaL point and its collector connected to the cathode of the silicon-controlled rectifier of the associated stage of said stages.

Claim 9

A control circuit as defined in claim 2 wherein the voltage transfer means included in the last stage of said stages is coupled back to said input circuit means connected to said first stage of said stages.

Claim 10

A control circuit as defined in claim 1 wherein: said switching means comprises a first transistor having its emitter connected to a common potential point, its collector coupled to said voltage source and its base coupled to said voltage-switching means; and a second transistor having its base connected to the collector of said first transistor, its emitter connected to a common potential point and its collector coupled to the cathodes of the silicon-controlled rectifiers of all of said stages.

Claim 11

A control circuit as defined in claim 2 wherein each of said separate output circuit means comprises: a relay having first, second, third and fourth contacts and a coil, said coil being coupled between said voltage source and the anode of the silicon-controlled rectifier of the stage of said stages to which said output means is connected; a first transistor having a base electrode coupled to said fourth relay contact, an emitter electrode coupled to a common potential point and a collector electrode coupled to said voltage source; a silicon-controlled rectifier having a gate electrode coupled to said second relay contact, an anode electrode coupled to said voltage source, and a cathode electrode; a second transistor having an emitter electrode connected to a common potential point, a base electrode coupled to said collector electrode of said first transistor, and a collector electrode coupled to said cathode electrode of said output circuit silicon-controlled rectifier; and output signal terminal means coupled to said anode electrode of said output circuit silicon-controlled rectifier.

Claim 12

A control circuit as defined in claim 1 wherein all of said circuits are constructed on plug-in-type printed circuit boards and a prewired chassis is provided to receive said plug-in printed circuit boards.

Claim 13

A control circuit as defined in claim 1 wherein all of said circuits are constructed on a printed circuit board and said board is placed in a sealed container having a plug to provide external circuit connections to said printed circuit board.

Claim 14

A control circuit comprising: a plurality of stages, each stage including a silicon-controlled rectifier having cathode, anode and gate electrodes and a first transistor having emitter, collector and base electrodes; a voltage source; an ''''on''''-'''' off'''' switch; means to couple the emitter electrodes of all of said first transistors to a common potential point; separate resistive means coupled between the base electrodes of each of said first transistors and said ''''on''''-'''' off'''' switch; means to couple the collector electrode of said first transistors of each stage to the cathode electrode of the silicon-controlled rectifier included in the same stage; a plurality of signal storage means; means to couple a different one of said plurality of signal storage means between a common potential point and the cathode electrodes of each of said silicon-controlled rectifiers; a plurality of signal transfer means; and means to couple a different one of said plurality of signal transfer means between the cathode electrode of each of said silicon-controlled rectifiers and the gate electrode of the silicon-controlled rectifier in the subsequent stage.

Claim 15

A control circuit comprising: a plurality of stages, each stage including a silicon-controlled rectifier having cathode, anode and gate electrodes and a first transistor having emitter, collector and base electrodes; a voltage source; an ''''on''''-'''' off'''' switch; means to couple the emitter electrodes of all of said first transistors to a common potential point; separate resistive means coupled between the base electrodes of each of said first transistors and said ''''on''''-'''' off'''' switch; means to couple the collector electrode of said first transistors of each stage to the cathode electrode of the silicon-controlled rectifier included in the same stage; a plurality of signal storage means; means to couple a different one of said plurality of signal storage means between a common potential point and the cathode electrodes of each of said silicon-controlled rectifiers; a plurality of signal transfer means; and means to couple a different one of said plurality of signal transfer means between the cathode electrode of each of said silicon-controlled rectifiers and the gate electrode of the silicon-controlled rectifier in the subsequent stage.

Claim 16

A control circuit as defined in claim 13 wherein separate input signal circuit means are coupled to each of the gate electrodes of all of said silicon-controlled rectifiers and separate output signal circuit means are coupled to each anode electrode of all of said silicon-controlled rectifiers.

Claim 17

A control circuit as defined in claim 14 wherein sAid inputs and voltage transfer means are interconnected in any desired sequence.

Claim 18

A control circuit comprising: a plurality of stages, each stage including a silicon-controlled rectifier having anode, cathode and gate electrodes, a first transistor having emitter, collector and base electrodes and a second transistor having emitter, collector and base electrodes; a voltage source; a first transmission line selectively connected to said voltage source; a second transmission line selectively connected to said voltage source; means to couple the emitter electrode of said first transistor to a common potential point; means to couple the emitter electrode of said second transistors of all of said stages to a common potential point; separate resistive means connected between the base electrode of each of said second transistors of all of said stages and said second transmission line; means to couple the collector electrode of the second transistor of each of said stages to the base electrode of the first transistor in the same stage; separate resistive means for coupling the base electrode of said first transistor and the collector electrode of the second transistor of each of said stages to said voltage source; a plurality of signal storage means; means to couple a different one of said plurality of signal storage means between a point of common potential and the cathode of said silicon-controlled rectifier of each of said stages; a plurality of signal transfer means; and means to couple a different one of said plurality of signal transfer means between the cathode electrode of said silicon-controlled rectifier of each of said stages and the gate electrode of the silicon-controlled rectifier of the subsequent stage.

Claim 19

A control circuit comprising: a plurality of stages, each stage including a silicon-controlled rectifier having anode, cathode and gate electrodes, a first transistor having emitter, collector and base electrodes and a second transistor having emitter, collector and base electrodes; a voltage source; a first transmission line selectively connected to said voltage source; a second transmission line selectively connected to said voltage source; means to couple the emitter electrode of said first transistor to a common potential point; means to couple the emitter electrode of said second transistors of all of said stages to a common potential point; separate resistive means connected between the base electrode of each of said second transistors of all of said stages and said second transmission line; means to couple the collector electrode of the second transistor of each of said stages to the base electrode of the first transistor in the same stage; separate resistive means for coupling the base electrode of said first transistor and the collector electrode of the second transistor of each of said stages to said voltage source; a plurality of signal storage means; means to couple a different one of said plurality of signal storage means between a point of common potential and the cathode of said silicon-controlled rectifier of each of said stages; a plurality of signal transfer means; and means to couple a different one of said plurality of signal transfer means between the cathode electrode of said silicon-controlled rectifier of each of said stages and the gate electrode of the silicon-controlled rectifier of the subsequent stage.

Claim 20

A control circuit as defined in claim 16 wherein separate input signal circuit means are coupled to each of the gate electrodes of all of said silicon-controlled rectifiers and separate output signal circuit means are coupled to each anode electrode of all of said silicon-controlled rectifiers.

Claim 21

A control circuit as defined in claim 17 wherein said separate signal input means and said signal transfer means are interconnected in any desired sequence.

Claim 22

A control circuit comprising: a plurality of stages, each stage including a silicon-controlled rectifier having cathode, anode and gate electrodes; first and second transistors each having emitter, collector and base electrodes; a voltage source; a first transmission line selectively connected to said voltage source; a second transmission line selectively connected to said voltage source; means to couple the emitter electrode of said first transistor to a common potential point; means to couple the emitter electrode of said second transmitter to a common potential point; a first resistor connected between the base electrode of said first transistor and said second transmission line; means to couple the base electrode of said second transistor to the collector electrode of said first transistor; a second resistor connected between the base of said second transistor and said voltage source; means to couple the collector electrode of said second transistor to the cathode electrodes of the silicon-controlled rectifiers of all of said stages; a plurality of signal storage means; means to couple a different one of said plurality of signal storage means between a common potential point and the cathode electrode of said silicon-controlled rectifier of each of said stages; a plurality of signal transfer means; and means to couple a different one of said plurality of said signal transfer means between the signal storage means of each of said stages and the gate electrode of the silicon-controlled rectifier of the subsequent stage;

Claim 23

A control circuit comprising: a plurality of stages, each stage including a silicon-controlled rectifier having cathode, anode and gate electrodes; first and second transistors each having emitter, collector and base electrodes; a voltage source; a first transmission line selectively connected to said voltage source; a second transmission line selectively connected to said voltage source; means to couple the emitter electrode of said first transistor to a common potential point; means to couple the emitter electrode of said second transmitter to a common potential point; a first resistor connected between the base electrode of said first transistor and said second transmission line; means to couple the base electrode of said second transistor to the collector electrode of said first transistor; a second resistor connected between the base of said second transistor and said voltage source; means to couple the collector electrode of said second transistor to the cathode electrodes of the silicon-controlled rectifiers of all of said stages; a plurality of signal storage means; means to couple a different one of said plurality of signal storage means between a common potential point and the cathode electrode of said silicon-controlled rectifier of each of said stages; a plurality of signal transfer means; and means to couple a different one of said plurality of said signal transfer means between the signal storage means of each of said stages and the gate electrode of the silicon-controlled rectifier of the subsequent stage;

Claim 24

A control circuit as defined in claim 19 wherein separate input signal circuit means are coupled to each of the gate electrodes of all of said Silicon-controlled rectifiers and separate output signal means are coupled to the anode electrode of all of said silicon-controlled rectifiers.

Claim 25

A control circuit as defined in claim 20 wherein said separate signal input means and said signal transfer means are interconnected in any desired sequence.

Claim 26

A control circuit as defined in claim 13 wherein each one of said plurality of signal storage means is a capacitor.

Claim 27

A control circuit as defined in claim 16 wherein each one of said plurality of signal storage means is a capacitor.

Claim 28

A control circuit as defined in claim 19 wherein each one of said plurality of signal storage means is a capacitor.

Claim 29

A control circuit as defined in claim 13 wherein each one of said plurality of signal transfer means includes a transistor having a base electrode coupled to said ''''on''''-'''' off'''' switch, a collector electrode coupled to the cathode electrode of the silicon-controlled rectifier of one of said stages and an emitter electrode coupled to the gate electrode of the silicon-controlled rectifier included in the subsequent stage of said stages to which its collector electrode is coupled.

Claim 30

A control circuit as defined in claim 16 wherein each one of said plurality of signal transfer means includes a transistor having a base electrode coupled to said first transmission line, a collector electrode coupled to the cathode of the silicon-controlled rectifier of one of said stages and an emitter electrode coupled to the gate electrode of the silicon-controlled rectifier included in the subsequent stage of said stages to which its collector electrode is coupled.

Claim 31

A control circuit as defined in claim 19 wherein each one of said plurality of signal transfer means includes a transistor having a base electrode coupled to said first transmission line, a collector electrode coupled to the cathode of the silicon-controlled rectifier of one of said stages and an emitter electrode coupled to the gate electrode of the silicon-controlled rectifier included in the subsequent stage of said stages to which its collector electrode is coupled.

Claim 32

A control circuit as defined in claim 17 wherein each of said separate output circuit means comprises: a relay having first, second, third and fourth contacts and a coil, said coil being coupled between said voltage source and the anode of the silicon-controlled rectifier to which said output means is coupled; a first transistor having a base electrode connected to said fourth relay contact, an emitter electrode connected to a common potential point and a collector electrode coupled to said voltage source; a silicon-controlled rectifier having a gate electrode coupled to said second relay contact, an anode electrode coupled to said voltage source, and a cathode electrode; a second transistor having an emitter electrode coupled to a common potential point, a base electrode coupled to said collector electrode of said first transistor, and a collector electrode coupled to said cathode electrode of said output circuit silicon-controlled rectifier; and output signal terminal means coupled to said anode electrode of said output circuit silicon-controlled rectifier.

Claim 33

A control circuit as defined in claim 20 wherein each of said separate output circuit means comprises: a relay having first, second, third and fourth contacts and a coil, said sand coil being coupled between said voltage source and the anode of the silicon-controlled rectifier to which said output means is coupled; a first transistor having a base electrode coupled to said fourth relay contact, an emitter electrode coupled to a said fourth relay contact, an emitter electrode coupled to a common potential point and a collector electrode coupled to said voltage source; a silicon-controlled rectifier having a gate electrode coupled to said second relay contact, an anode electrode coupled to said voltage source, and a cathode electrode; a second transistor having an emitter electrode coupled to a common potential point, a base electrode coupled to said collector electrode of said first transistor, and a collector electrode coupled to said cathode electrode of said output circuit silicon-controlled rectifier; and output signal terminal means coupled to said anode electrode of said output circuit silicon-controlled rectifier.

Claim 34

An output circuit comprising: a voltage source; a transmission line selectively coupled to said voltage source; a relay having first, second, third and fourth contacts and a coil, said coil having first and second terminals; means to apply an input signal to said first terminal of said relay coil; means to couple said second terminal of said relay coil to said voltage source; a first transistor having a base electrode connected to said fourth relay contact, an emitter electrode coupled to a common potential point, and a collector coupled to said voltage source; a silicon-controlled rectifier having a gate electrode coupled to said second relay contact, an anode electrode connected to said voltage source, and a cathode electrode; a second transistor having an emitter electrode connected to a common potential point, a base electrode connected to said collector electrode of said first transistor, and a collector electrode connected to said cathode electrode of said output circuit silicon-controlled rectifier; means to couple said first relay contact to said voltage source; means to couple said third relay contact to said transmission line; and output signal terminal means coupled to the anode electrode of said output circuit silicon-controlled rectifier.

Claim 35

An output circuit comprising: a voltage source; a transmission line selectively coupled to said voltage source; a relay having first, second, third and fourth contacts and a coil, said coil having first and second terminals; means to apply an input signal to said first terminal of said relay coil; means to couple said second terminal of said relay coil to said voltage source; a first transistor having a base electrode connected to said fourth relay contact, an emitter electrode coupled to a common potential point, and a collector coupled to said voltage source; a silicon-controlled rectifier having a gate electrode coupled to said second relay contact, an anode electrode connected to said voltage source, and a cathode electrode; a second transistor having an emitter electrode connected to a common potential point, a base electrode connected to said collector electrode of said first transistor, and a collector electrode connected to said cathode electrode of said output circuit silicon-controlled rectifier; means to couple said first relay contact to said voltage source; means to couple said third relay contact to said transmission line; and output signal terminal means coupled to the anode electrode of said output circuit silicon-controlled rectifier.

Claim 36

A control circuit as defined in claim 2 wherein each of said separate output circuit means comprising: a first, second, third and fourth transistors each having a base electrode, a collector electrode and an emitter electrode; an input terminal coupled to the anode of the silicon-controlled rectifier of the stage of said stages to which said output man means is coupled; means including a first diode for coupling the base electrode of said first transistor to said input terminal; means to connect the emitter electrode of said first, third and fourth transistors to potential point; first resistive means for coupling the collector electrode of said first transistor and the base electrode of said second transistor to said voltage source; second resistive means for coupling the collector electrode of said first transistor to said voltage source; means including second and third diodes and a resistor all connected in series for coupling the base electrode of said third transistor to said voltage source; third resistive means for coupling the collector electrode of said third transistor and the base electrode of said fourth transistor to said voltage source; a silicon-controlled rectifier having an anode, a cathode and a gate electrode; means to couple the anode electrode of said silicon-controlled rectifier to said voltage source; means to connect the cathode electrode of said silicon rectifier to the collector electrode of said fourth transistor; means to couple the gate electrode of said silicon-controlled rectifier to the emitter electrode of said second transistor; and a fourth diode connected between acid input terminal and the common point of said serially connected resistor and second diode.

Claim 37

A control circuit as defined in claim 17 wherein each of said separate output circuit means comprises: a first, second, third and fourth transistors each having a base electrode, a collector electrode and an emitter electrode; an input terminal coupled to the anode of the silicon-controlled rectifier of the stage of said stages to which said output means is connected; means including a first diode for coupling the base electrode of said first transistor to said input terminal; means to couple the emitter electrode of said first, third and fourth transistors to a common potential point; first resistive means for coupling the collector electrode of said first transistor and the base electrode of said second transistor to said voltage source; second resistive means for coupling the collector electrode of said second transistor to said voltage source; means including second and third diodes and a resistor all connected in series for coupling the base electrode of said third transistor to said voltage source; third resistive means for coupling the collector electrode of said third transistor and the base electrode of said fourth transistor to said voltage source; a silicon-controlled rectifier having an anode, a cathode and a gate electrode; means to couple the anode electrode of said silicon-controlled rectifier to said voltage source; means to couple the cathode electrode of said silicon rectifier to the collector electrode of said fourth transistor; means to couple the gate electrode of said silicon controlled rectifier to the emitter electrode of said second transistor; and a fourth diode coupled between said input terminal and the common point of said serially connected resistor and second diode.

Claim 38

A control circuit as defined in claim 20 wherein each of said separate output circuit means comprises: a first, second, third and fourth transistors each having a base electrode, a collector electrode and an emitter electrode; an input terminal coupled to the anode of the silicon-controlled rectifier of the stage of said stages to which said output means is coupled; means including a first diode for coupling the base electrode of said first transistor to said input terminal; means to couple the emitter electrode of said first, third and fourth transistors to a common potential point; first resistive means for coupling the collector electrode of said first transistor and the base electrode of said second transistor to said voltage source; second resistive means for coupling the collector electrode of said second transistor to said voltage source; means including second and third diodes and a resistor all connected in series for coupling the base electrode of said third transistor to said voltage source; third resistive means for coupling the collector electrode of said third transistor and the base electrode of said fourth transistor to said voltage source; a silicon-controlled rectifier having an anode, a cathode and a gate electrode; means to couple the anode electrode of said silicon-controlled rectifier to said voltage source; means to couple the a cathode electrode of said silicon rectifier to the collector electrode of said fourth transistor; means to couple and the gate electrode of said silicon-controlled rectifier to the emitter electrode of said second transistor; and a fourth diode connected between said input terminal and the common point of said serially connected resistor and second diode.

Claim 39

A control circuit as defined in claim 2 wherein each of said separate output circuit means comprises: an input terminal coupled to the anode of the silicon-controlled rectifier of the stage of said stages to which said output circuit means is coupled; a diode coupled between said bolt voltage source and said input terminal; a relay having a coil connected across said diode; and a normally open switch connected between said input terminal and a common potential point in such a manner that said input terminal is connected to said common potential point when said switch is closed.

Claim 40

A control circuit as defined in claim 14 wherein each of said separate output circuit means comprises: a an input terminal coupled to the anode of the silicon-controlled rectifier of the stage of said stages to which said output circuit means is coupled; a diode coupled between said voltage source and said input terminal; a relay having a coil connected across said diode; and a normally open switch connected between said input terminal and to a common potential point in such a manner that said input terminal is connected to said common potential point when said switch is closed.

Claim 41

A control circuit as defined in claim 17 wherein each of said separate output circuit means comprises: an input terminal coupled to the anode of the silicon-controlled rectifier of the stage of said stages to which said output circuit means is coupled; a diode coupled between said voltage source and said input terminal; a relay having a coil connected across said diode; and a normally open switch connected between said input terminal and a common potential point in such a manner that said input terminal is connected to said common potential point when said switch is closed.

Claim 42

A control circuit as defined in claim 20 wherein each of said separate output circuit means comprises: an input terminal coupled to the anode of the silicon-controlled rectifier of the stage of said stages to which said output circuit means is coupled; a diode coupled between said voltage source and said input terminal; a relay having a coil connected across said diode; and a normally open switch connected between said input terminal and a common potential point in such a manner that said input terminal is connected to said o common potential point when said switch is closed.

Claim 43

An output circuit comprising: a voltage source; a first, second, third and fourth transistor each having a base electrode, emitter and collector electrode; an input terminal; a voltage source; means including a first diode for coupling the base electrode of said first transistor to said input terminal; means to connect the emitter electrode of said first, third and fourth transistor to a common potential point; first resistive means for coupling the collector electrode of said first transistors and the base electrode of said second transistor to said voltage source; second resistive means for coupling the collector electrode of said second transistor to said voltage source; voltage dropping means and a resistor all connected in series to the base electrode of said third transistor; means to selectively couple said base electrode of said third transistor to said voltage source; third resistive means for coupling the collector electrode of said third transistor and the base electrode of said fourth transistor to said voltage source; A silicon-controlled rectifier having an anode, a cathode and a gate electrode; means to couple the anode electrode of said silicon-controlled rectifier to said voltage source; means to connect the cathode electrode of said silicon rectifier to the collector electrode of said fourth transistor; and a second diode connected between said input terminal and the common point of said serially connected resistor and said voltage-dropping means.

Claim 44

An output circuit comprising: a voltage source; a first, second, third and fourth transistor each having a base electrode, emitter and collector electrode; an input terminal; a voltage source; means including a first diode for coupling the base electrode of said first transistor to said input terminal; means to connect the emitter electrode of said first, third and fourth transistor to a common potential point; first resistive means for coupling the collector electrode of said first transistors and the base electrode of said second transistor to said voltage source; second resistive means for coupling the collector electrode of said second transistor to said voltage source; voltage dropping means and a resistor all connected in series to the base electrode of said third transistor; means to selectively couple said base electrode of said third transistor to said voltage source; third resistive means for coupling the collector electrode of said third transistor and the base electrode of said fourth transistor to said voltage source; A silicon-controlled rectifier having an anode, a cathode and a gate electrode; means to couple the anode electrode of said silicon-controlled rectifier to said voltage source; means to connect the cathode electrode of said silicon rectifier to the collector electrode of said fourth transistor; and a second diode connected between said input terminal and the common point of said serially connected resistor and said voltage-dropping means.

Claim 45

A control circuit as defined in claim 2 wherein each of said separate output circuit means includes means for selectively shorting the anode of the silicon-controlled rectifier connected to said output circuit means to a common potential point

Claim 46

A control circuit as defined in claim 14 wherein each of said separate output circuit means includes means for selectively shorting the anode of the silicon-controlled rectifier connected to said output circuit means to a common potential point.

Claim 47

A control circuit as defined in cal claim 17 wherein each of said separate output circuit means includes means for e selectively shorting the anode of the silicon-controlled rectifier connected to said output circuit means to a common potential point.

Claim 48

A control circuit as defined in claim 20 wherein each of said separate output circuit means includes means for selectively shorting the anode of the silicon-controlled rectifier connected to said output circuit means to a common potential point.

Claim 49

A control cirCuit as defined in claim 14 wherein means are provided for coupling the signal transfer means of the last stage of said stages to said input signal circuit means coupled to the first stage of said stages.

Claim 50

A control circuit as defined in claim 17 wherein means are provided for coupling the signal transfer means of the last stage of said stages to said input signal circuit means coupled to the first stage of said stages.

Claim 51

A control circuit as defined in claim 20 wherein means are provided for coupling the signal transfer means of the last stage of said stages to said input signal circuit means coupled to the first stage of said stages.