H-bridge apparatus and method

Details H-bridge apparatus and method H-bridge apparatus and method

2005-02-15

2005-02-15

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

C318S111000, C318S112000, C318S038000, C318S041000, C318S051000

Reexamination Certificate

active

06856106

ABSTRACT:
An apparatus has a first H-bridge having a first motor contact on a shared first side and a second motor contact on a second side. The apparatus also has a half H-bridge having a third motor contact on a third side, wherein the shared first side of the first H-bridge and the third side of the half H-bridge may be operated as a second H-bridge. Another apparatus has a first H-bridge having a first motor contact on a shared first side and a second motor contact on a second side. The other apparatus also has a switch coupled to a third motor contact, wherein the shared first side of the first H-bridge and the switch may be operated as a partial H-bridge. A method of operating an alternate H-bridge and a method of flexibly using an H-bridge circuit on an ASIC are also provided.

REFERENCES:
patent: 5576943 (1996-11-01), Keir
patent: 5917295 (1999-06-01), Mongeau
patent: 6307579 (2001-10-01), Kida
patent: 6496283 (2002-12-01), Kabeya
patent: 6583591 (2003-06-01), Echols et al.

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