A trackpad or other input/output device is detachable from a computer and adapted with a remote communication functionality using radio frequency (RF) or infrared (IR) technologies, thereby facilitating the performance of slide presentations and other graphic displays. A remote presentation capability...http://www.google.es/patents/US6035350?utm_source=gb-gplus-sharePatente US6035350 - Detachable I/O device with built-in RF/IR functionality to facilitate remote audio-visual presentation
Detachable I/O device with built-in RF/IR functionality to facilitate remote ...
