Regulator to control tracking of dual output converter

Claim 2

In a converter circuit including dual output means comprising rectifier means and filter means, a tracking regulator comprising, means to monitor the output signal ratio of the dual output means, energy storage means coupled to said dual output means at a junction of said rectifier means and said filter means, charging control means responsive to said means to monitor to control the charging of said energy storage means, and gating means connected in series with said energy storage means, said gating means responding to a voltage induced by said filter means to discharge the energy stored in said energy storage means into at least one of said dual output terminals to maintain the desired output signal ratio.

Claim 3

A converter circuit as described in claim 1 wherein said energy storage means comprises, a first capacitor coupled to one of said dual output means and a second capacitor coupled to the other of said dual output means, and said means to monitor comprises, a voltage divider shunting the dual output means and a comparator amplifier connected to compare the midpoint voltages of the voltage divider with respect to ground, and a first and second transistor responsive to said comparator amplifier and connected to complete a charging path for said first and second capacitors, respectively.

Claim 4

Apparatus to regulate tracking in a dual polarity output power supply having output rectifiers, dual output filters, and dual output terminals, a common reference terminal, means to monitor the magnitude balance of the dual polarity voltages of the dual output terminals with respect to the common reference terminal, a first and second energy storage means connected to said dual output filters and said output rectifiers, means responsive to said means to monitor to control the charging of said first and second energy storage means from said rectifiers, first and second gating means connected to said first and second energy storage means and responsive to voltages induced by said dual output filters to enable the discharge of said first and second energy storage means into said dual output terminals to maintain the magnitude balance of the dual polarity voltages.

Claim 5

Apparatus to regulate tracking in a dual polarity output power supply having output rectifiers, dual output filters, and dual output terminals, a common reference terminal, means to monitor the magnitude balance of the dual polarity voltages of the dual output terminals with respect to the common reference terminal, a first and second energy storage means connected to said dual output filters and said output rectifiers, means responsive to said means to monitor to control the charging of said first and second energy storage means from said rectifiers, first and second gating means connected to said first and second energy storage means and responsive to voltages induced by said dual output filters to enable the discharge of said first and second energy storage means into said dual output terminals to maintain the magnitude balance of the dual polarity voltages.

Claim 6

Apparatus as described in claim 3 wherein said means to monitor comprises, a voltage divider shunted across the dual output terminals and a comparator amplifier connected to the midpoint of said voltage divider and to the common reference terminal of said dual output terminals and said responsive means comprising, first and second transistors of opposite polarity type responsive to the output of said comparator amplifier.

Claim 7

A tracking regulator to maintain a fixed ratio between the dual output voltages of a dual output power supply generating dual pulse outputs which are coupled to dual filtering means, and dual output terminals connected in series, said tracking regulator comprising, means to monitor the ratio of the dual output voltages including a common reference terminal and dual impedances in the desired ratio interconnecting the dual output terminals, at least an energy storage device coupled via at least one of said dual filtering means to the one of the dual output terminals having the lesser magnitude, means to compare the ratio of the dual output voltages with the voltage drop ratio across said dual impedances, charging control means responsive to said means to compare the ratio to control the charging of said energy storage device by said pulse outputs, and gating means to discharge the energy stored in said energy storage device into the one of the dual output terminals having the lesser magnitude to maintain the said fixed ratio.

Claim 8

A tracking regulator to maintain a fixed ratio between the dual output voltages of a dual output power supply generating dual pulse outputs which are coupled to dual filtering means, and dual output terminals connected in series, said tracking regulator comprising, means to monitor the ratio of the dual output voltages including a common reference terminal and dual impedances in the desired ratio interconnecting the dual output terminals, at least an energy storage device coupled via at least one of said dual filtering means to the one of the dual output terminals having the lesser magnitude, means to compare the ratio of the dual output voltages with the voltage drop ratio across said dual impedances, charging control means responsive to said means to compare the ratio to control the charging of said energy storage device by said pulse outputs, and gating means to discharge the energy stored in said energy storage device into the one of the dual output terminals having the lesser magnitude to maintain the said fixed ratio.

Claim 9

A tracking regulator to maintain a balance between the dual output vOltages of a power supply having dual output terminals of opposite polarity comprising, means to monitor the balance of the dual output voltages including a common reference terminal and two series connected impedances of equal value connected at a common junction, said series connected impedances interconnecting the dual output terminals of said power supply, a first and second energy storage capacitor respectively coupled to each of said dual output terminals, means to compare the voltage at the common junction with the voltage at the common reference terminal, charging control means including a first and second transistor coupling said first and second energy storage capacitors to said common reference terminal, said first and second transistors being responsive to said means to compare to control the charging of said first and second energy storage capacitors, respectively, and gating means to discharge the energy stored in said first and second energy storage capacitors into one of said dual output terminals in order to maintain said voltage balance, said gating means comprising first and second diodes connected in series with said first and second energy storage capacitors and said dual output terminals, respectively.

Claim 10

A tracking regulator to maintain a balance between the dual output vOltages of a power supply having dual output terminals of opposite polarity comprising, means to monitor the balance of the dual output voltages including a common reference terminal and two series connected impedances of equal value connected at a common junction, said series connected impedances interconnecting the dual output terminals of said power supply, a first and second energy storage capacitor respectively coupled to each of said dual output terminals, means to compare the voltage at the common junction with the voltage at the common reference terminal, charging control means including a first and second transistor coupling said first and second energy storage capacitors to said common reference terminal, said first and second transistors being responsive to said means to compare to control the charging of said first and second energy storage capacitors, respectively, and gating means to discharge the energy stored in said first and second energy storage capacitors into one of said dual output terminals in order to maintain said voltage balance, said gating means comprising first and second diodes connected in series with said first and second energy storage capacitors and said dual output terminals, respectively.

Claim 11

A power supply comprising, a source of pulse signals of one polarity, a second source of pulse signals of the opposite polarity, first and second filter means to derive DC signals of opposite polarity from said first and second pulse signals, first and second output terminals connected to said first and second filter means, a common reference for said first and second output terminals, a first capacitor and a first diode connected in series and connecting said source of pulse signals of one polarity to said common reference, said first diode poled to conduct current in response to said first filter means, a first transistor of one polarity type shunting said first diode and having its conductivity direction opposite to that of said first diode, a second capacitor and a second diode connected in series and connecting said second source of pulse signals of the opposite polarity to said common reference, said second diode poled to conduct current in response to said second filter means, a second transistor of an opposite polarity type shunting said second diode and having its conductivity direction opposite to that of said second diode, a voltage divider having a first and second impedance of equal magnitude connected in series and interconnecting said first and second output terminals, a comparator amplifier having a first input connected to said common reference and a second input connected to the junction of said first and second impedances, the output of said comparator amplifier being connected in parallel to the control electrode of said first and second transistors whereby in response to unequal signal magnitudes at said first and second output terminals one of said transistors is biased conducting to charge one of said capacitors and the series connected one of said diodes is biased conducting by the filter to discharge the capacitor into an output terminal to restore the balance of magnitudes.

Claim 12

A power supply comprising, a source of pulse signals of one polarity, a second source of pulse signals of the opposite polarity, first and second filter means to derive DC signals of opposite polarity from said first and second pulse signals, first and second output terminals connected to said first and second filter means, a common reference for said first and second output terminals, a first capacitor and a first diode connected in series and connecting said source of pulse signals of one polarity to said common reference, said first diode poled to conduct current in response to said first filter means, a first transistor of one polarity type shunting said first diode and having its conductivity direction opposite to that of said first diode, a second capacitor and a second diode connected in series and connecting said second source of pulse signals of the opposite polarity to said common reference, said second diode poled to conduct current in response to said second filter means, a second transistor of an opposite polarity type shunting said second diode and having its conductivity direction opposite to that of said second diode, a voltage divider having a first and second impedance of equal magnitude connected in series and interconnecting said first and second output terminals, a comparator amplifier having a first input connected to said common reference and a second input connected to the junction of said first and second impedances, the output of said comparator amplifier being connected in parallel to the control electrode of said first and second transistors whereby in response to unequal signal magnitudes at said first and second output terminals one of said transistors is biased conducting to charge one of said capacitors and the series connected one of said diodes is biased conducting by the filter to discharge the capacitor into an output terminal to restore the balance of magnitudes.