A method and apparatus for providing safe and low-cost force feedback peripherals for consumer applications. A device microprocessor local to an interface device is coupled to the host by a first interface bus. The microprocessor receives host commands from the host computer on the first interface bus,...http://www.google.co.uk/patents/US6271833?utm_source=gb-gplus-sharePatent US6271833 - Low cost force feedback peripheral with button activated feel sensations