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US3487323A
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Balanced differential amplifier with dual collector current regulating means
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US3523235A
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Self-oscillating switching type power supply
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US3504263A
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Self-oscillating switching type power supply
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US3562621A
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Inrush current limiting circuit for rectifier circuits with capacitive load
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GB1177553A
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DC Voltage Modifying Arrangement.
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US3474325A
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Control circuitry for switching-type power supply
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US3381202A
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Dc voltage magneitude modifying arrangement
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US3439251A
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Regulated power supply with switching transistors
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US3474346A
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Electronic ripple filter and amplifier used therein
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US3418557A
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Voltage control system involving timed energization of a pair of power handling transistors
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US3356930A
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Flip-flip controlled switching regulator with volatage, current and power limiting features and with filter circuit load change sensor
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US3345580A
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Starting arrangement for flux oscillator
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US3345554A
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Regulating system with periodically inhibted forld-back characteristic
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CA832607A
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Control circuitry for switching type power supply
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CA791265A
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Dc voltage step-up arrangement
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CA818032A
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Inrush current limiting circuit for rectifier circuits with capacitive load
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CA828317A
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Power supply with switching transistors
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CA893304A
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Self-oscillating switching type power supply
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CA814034A
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Voltage control system
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CA811825A
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Switching regulator and control system therefor
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