The Strigear patented principle has many possible forms. For example, the tire side electric motor may be connected after the gear box. The preferred Strigear has one electric motor assembled on the engine fly-wheel and the other on the input shaft of an AMT ("Automated Manual Transmission").
The 114 claims in U S Patent 6,740,002 covers:
The EPO application 98950597.9 and similar applications in the US, China, India and Japan covers devices and methods for fast gear shifts.