Class 318/298 - Simultaneous energization

Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which means are provided for energizing
No. of patents: 3
Last issue date: 02/05/2008

Number	Title	Issue Date
7327109	Adjustable bridge for acoustic stringed instruments A bridge for providing adjustable active string length on acoustic stringed musical instruments comprised of a concavity surrounding a plurality of individually adjustable saddles that are arranged individually and independently to support each string and be freely ...	02/05/2008
7292004	Motor driving apparatus A motor driving apparatus for driving a motor includes a single-phase rectifier circuit having an input connected to a single-phase AC power supply, an inverter circuit that is connected to the single-phase rectifier circuit and applies a current and a voltage to th...	11/06/2007
4473790	Control circuit for suppression of line resonances in current feedback pulse width modulation control systems with a minimum d-c filter A variable speed a-c drive motor is controlled by a current feedback pulse width modulation scheme which effectively isolates the controlled motor current from variations in the input d-c voltage. An additional control loop is provided to superimpose a co...	09/25/1984

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