Voltage regulating device utilizing series transistors controlled by means including zener diodes

Claim 2

A wave amplitude regulating device adapted to be connected to a source of electrical waves, said device comprising a first and a second input terminal, a first and a second output terminal, a transistor having a base, a collector and an emitter, the collector and emitter being connected in a series circuit between the first input and the first output terminals to pass electrical waves therebetween, a transformer having a primary winding and a secondary winding, the primary winding being connected in a series circuit between the first and second input terminals, said last-mentioned series circuit including a zener diode polarized to pass electrical waves from the first input terminal to the second input terminal responsive to potentials above the zener breakdown potential, the secondary winding of said transformer being conNected between the first input terminal and base of the transistor and polarized to oppose waves impressed on the transistor in the forward direction of the transistor.

Claim 3

A wave amplitude regulating device comprising the combination of claim 1 wherein the transformer secondary has more turns than the primary.

Claim 4

A wave amplitude regulating device comprising the combination of claim 1 wherein a first capacitor is connected in parallel with the primary winding of the transformer.

Claim 5

A wave amplitude regulating device comprising the combination of claim 1 wherein a second capacitor is connected in parallel with the secondary winding of the transformer

Claim 6

A wave amplitude regulating device comprising the combination of claim 1 in combination with a second transistor having a base, a collector and an emitter, the collector and emitter of said second transistor being connected in a series circuit between the second input and second output terminals, a second zener diode connected in the series circuit which includes the primary winding and the first-mentioned zener diode, said zener diodes being oppositely polarized, a second secondary winding on said transformer and connected between the second input terminal and the base of said second transistor, said second secondary winding being polarized to oppose waves impressed on said second transistor in its forward direction, a first diode connected between said first input and first output terminals, said first diode and said first transistor being oppositely polarized, and a second diode connected between said second input and second output terminals, said second diode and said second transistor being oppositely polarized.

Claim 7

A regulated power supply adapted to be connected to two terminal alternating current sources, said power supply comprising a first transistor having a base, a collector and an emitter, the collector being adapted to be connected to one of the terminals of the alternating current source, a second transistor having a base, a collector and an emitter, the collector of the second transistor being adapted to be connected to the second terminal of the alternating current source, a transformer having a primary winding and a pair of secondary windings, the primary winding being connected in a series circuit between the collectors of the first and second transistors, said series circuit including a pair of zener diodes polarized to pass current in opposite directions, one of the secondary windings of said transformer being connected between the collector and base of the first transistor and polarized to oppose charges impressed on the collector of the transistor in the forward current direction of the transistor, and the other of the secondary winding of said transformer being connected between the collector and base of the second transistor and polarized to oppose charges impressed on the collector of the transistor in the forward current direction of the transistor, a first pair of diodes connected respectively to the emitters of the first and second transistors to pass current in the forward direction of the first and second transistors, and a second pair of diodes, each diode of said second pair being connected in parallel with a diode of the first pair and the associated transistor to pass current in the opposite direction from said transistor.

Claim 8

A regulated power supply adapted to be connected to two terminal alternating current sources, said power supply comprising a first transistor having a base, a collector and an emitter, the collector being adapted to be connected to one of the terminals of the alternating current source, a second transistor having a base, a collector and an emitter, the collector of the second transistor being adapted to be connected to the second terminal of the alternating current source, a transformer having a primary winding and a pair of secondary windings, the primary winding being connected in a series circuit between the collectors of the first and second transistors, said series circuit including a pair of zener diodes polarized to pass current in opposite directions, one of the secondary windings of said transformer being connected between the collector and base of the first transistor and polarized to oppose charges impressed on the collector of the transistor in the forward current direction of the transistor, and the other of the secondary winding of said transformer being connected between the collector and base of the second transistor and polarized to oppose charges impressed on the collector of the transistor in the forward current direction of the transistor, a first pair of diodes connected respectively to the emitters of the first and second transistors to pass current in the forward direction of the first and second transistors, and a second pair of diodes, each diode of said second pair being connected in parallel with a diode of the first pair and the associated transistor to pass current in the opposite direction from said transistor.

Claim 9

A regulated power supply adapted to be connected to an alternating current source, said power supply comprising a first and a second input terminal, a first transister having a base, a collector and an emitter, the collector being connected to the first input terminal, a second transistor having a base, a collector and an emitter, the collector of the second transistor being connected to the second input terminals a pair of zener diodes connected respectively to the bases of the transistors respectively, each zener diode being polarized to pass current in a forward direction toward the corresponding base, first means connected to the terminAl of the first of said zener diodes opposite the base of the first transistor and connecting said diode into the circuit from the second input terminal to the second output terminal, second means connected to the terminal of the second of said zener diodes opposite the base of the second transistor and connecting said diode into the circuit between the first input terminal and first output terminal, a pair of resistors, the first resistor being connected between the collector and base of the first transistor and the second resistor being connected between the collector and base of the second transistor, a first pair of diodes connected respectively to the emitters of the first and second transistors to pass current in the forward direction of the first and second transistors, and a second pair of diodes, each diode of said second pair being connected in parallel with a diode of the first pair and the associated transistor to pass current in the opposite direction from said transistor.

Claim 10

A regulated power supply adapted to be connected to an alternating current source, said power supply comprising a first and a second input terminal, a first transister having a base, a collector and an emitter, the collector being connected to the first input terminal, a second transistor having a base, a collector and an emitter, the collector of the second transistor being connected to the second input terminals a pair of zener diodes connected respectively to the bases of the transistors respectively, each zener diode being polarized to pass current in a forward direction toward the corresponding base, first means connected to the terminAl of the first of said zener diodes opposite the base of the first transistor and connecting said diode into the circuit from the second input terminal to the second output terminal, second means connected to the terminal of the second of said zener diodes opposite the base of the second transistor and connecting said diode into the circuit between the first input terminal and first output terminal, a pair of resistors, the first resistor being connected between the collector and base of the first transistor and the second resistor being connected between the collector and base of the second transistor, a first pair of diodes connected respectively to the emitters of the first and second transistors to pass current in the forward direction of the first and second transistors, and a second pair of diodes, each diode of said second pair being connected in parallel with a diode of the first pair and the associated transistor to pass current in the opposite direction from said transistor.

Claim 11

A regulated power supply according to claim 7, in which said first and second means include respective diodes in series with said zener diodes and oppositely polarized relative thereto.

Claim 12

A regulated power supply adapted to be connected to an alternating current source, said power supply comprising a first and a second input terminal, a first transistor having a base, a collector and an emitter, the collector being connected to the first input terminal, a second transistor having a base, a collector and an emitter, the collector of the second transistor being connected to the second input terminal, a pair of zener diodes connected respectively to the bases of the transistors respectively, each zener diode being polarized to be broken down when the corresponding transistor is conductive, first means connected to the terminal of the first of said zener diodes opposite the base of the first transistor and connecting said diode into the circuit from the second input terminal to the second output terminal, second means connected to the terminal of the second of said zener diodes opposite the base of the second transistor and connecting said diode into the circuit between the first input terminal and first output terminal, a pair of resistors, the first resistor being connected between the collector and base of the first transistor and the second resistor being connected between the collector and base of the second transistor, and a pair of diodes connected in parallel with the respective transistors and polarized oppositely relative to the corresponding transistors.

Claim 13

A regulated power supply adapted to be connected to an alternating current source, said power supply comprising a first and a second input terminal, a first transistor having a base, a collector and an emitter, the collector being connected to the first input terminal, a second transistor having a base, a collector and an emitter, the collector of the second transistor being connected to the second input terminal, a pair of zener diodes connected respectively to the bases of the transistors respectively, each zener diode being polarized to be broken down when the corresponding transistor is conductive, first means connected to the terminal of the first of said zener diodes opposite the base of the first transistor and connecting said diode into the circuit from the second input terminal to the second output terminal, second means connected to the terminal of the second of said zener diodes opposite the base of the second transistor and connecting said diode into the circuit between the first input terminal and first output terminal, a pair of resistors, the first resistor being connected between the collector and base of the first transistor and the second resistor being connected between the collector and base of the second transistor, and a pair of diodes connected in parallel with the respective transistors and polarized oppositely relative to the corresponding transistors.

Claim 14

A power supply according to claim 9, in which said first and second means comprise respective first and second diodes connected in series with said respective zener diodes and oppositely polarized relative thereto.