Class 323/291 - Using an electronic tube as the final control device

Subclass of Class 323 - Electricity: power supply or regulation systems
Definition: Subject matter wherein the final control device within the
No. of patents: 4
Last issue date: 01/15/2008

Number	Title	Issue Date
7319310	Regulated power supply unit An improved power supply unit includes a DC power source having a positive terminal and a negative terminal, and a voltage regulating circuit that includes a plurality of elements coupled in series between the positive and negative terminals of the DC power source t...	01/15/2008
7202645	Regulated power supply unit An improved power supply unit includes a DC power source having a positive terminal and a negative terminal, and a voltage regulating circuit that includes a plurality of elements coupled in series between the positive and negative terminals of the DC power source t...	04/10/2007
4680506	Inverter-type microwave oven power supply In a power-line-operated inverter-type power supply for the magnetron in a microwave oven, power is provided to the magnetron from the inverter by way of a series-excited resonant LC circuit, the magnetron load being connected in parallel with the tank ca...	07/14/1987
4595975	Efficient power supply suitable for inductive loads Disclosed is an Electrical Driving and Recovery System for a High Frequency environment. The recovery system can be applied to drive present day direct-current or alternating-current loads for better efficiency. It has a low-voltage source coupled to a vi...	06/17/1986

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