背景技术是介绍本领域技术现状，引用别人专利太正常了，就跟论文的参考文献一个性质，怎么到你嘴里就是抄袭了？
你说的US6209672这篇专利，在背景技术部分中引用了几十篇专利，那也是抄袭别人的？
随便摘录一段“Furutani U.S. Pat. No. 5,495,906 describes a vehicle having an internal combustion engine driving a first set of wheels through a variable-ratio transmission and an electric motor driving a second set of wheels. The engine is apparently intended to be run continuously; at low speeds, it drives a generator to charge batteries providing energy to the motor, and at higher speeds the engine or both engine and motor propels the vehicle. In some circumstances the transmission may not be required; compare, for example, col. 3, lines 4-8 with col. 5, lines 59-64.

U.S. Pat. No. 5,842,534 to Frank shows a "charge depletion" control method for hybrid vehicles; in this scheme, the internal combustion engine is essentially used only when the state of the batteries is such that the vehicle cannot otherwise reach a recharging point. See col. 3, lines 50-55. In normal operation, the batteries are recharged from an external power source. Frank also discusses two-mode brake pedal operation, wherein mechanical brakes are engaged in addition to regenerative braking when the pedal is depressed beyond a preset point.

U.S. Pat. No. 5,823,280 to Lateur et al shows a parallel hybrid wherein the shafts of an internal combustion engine and first and second electric motors are all coaxial; the engine is connected to the first motor by a clutch, and the first motor to the second by a planetary gearset, allowing the speeds of the motors to be varied so as to operate them in their most efficient range. See col. 4, line 57 - col. 5, line 60.

U.S. Pat. No. 5,826,671 to Nakae et al shows a parallel hybrid wherein torque from an internal combustion engine is combined with that from a motor in a planetary gearset; a clutch is provided therebetween. The specific invention relates to sensing of engine warmup conditions, so as to limit emission of unburnt fuel and thus lower emissions.

U.S. Pat. No. 5,846,155 to Taniguchi et al shows a parallel hybrid wherein torque from an internal combustion engine and a motor is again combined in a planetary gearset; the specific improvement appears to be the use of a continuously-variable transmission. ”

【 在 pndxy 的大作中提到: 】
: 给你看byd的说明书，别犟嘴了，抄别人东西不认账。
: [upload=1][/upload]
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FROM 114.113.120.*