Full bridge circuit and DC motor capable of fixing output...

Details Full bridge circuit and DC motor capable of fixing output... Full bridge circuit and DC motor capable of fixing output...

2006-12-14

2008-08-12

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Limitation of motor load, current, torque or force

C318S432000, C323S274000, C323S284000, C361S018000, C361S093100

Reexamination Certificate

active

07411367

ABSTRACT:
A full bridge circuit includes a first switch, a second switch, a third switch, a fourth switch, a first controller, a second controller, a first operational amplifier, a first multiplexer, a second operational amplifier, and a second multiplexer. The first controller includes a first output coupled to the first switch. The second controller includes a first output coupled to the third switch. The first operational amplifier includes a first input coupled to the first switch and the second switch, and a second input for receiving a first reference voltage. The second operational amplifier includes a first input coupled to the third switch and the fourth switch, and a second input for receiving a second reference voltage. The first multiplexer is coupled to the first operational amplifier, the first controller, and the second switch. The second multiplexer is coupled to the second operational amplifier, the second controller, and the fourth switch.

REFERENCES:
patent: 4506203 (1985-03-01), Redmond, Jr.
patent: 5481194 (1996-01-01), Schantz et al.
patent: 6268716 (2001-07-01), Burstein et al.
patent: 6396250 (2002-05-01), Bridge
patent: 6433497 (2002-08-01), Lee
patent: 2004/0155616 (2004-08-01), Iribe et al.
patent: 2006/0214611 (2006-09-01), Wang et al.

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