A user's remote wireless device is used to send messages to targeted destinations within the user's home environment via an in-home network. The remote wireless device presents a user-friendly menu that enables the user to select the format of the messages (e.g., audio, text and/or graphics). The messages...http://www.google.com.hk/patents/US20030140343?utm_source=gb-gplus-share專利 US20030140343 - Remote wireless device with EPG display, intercom and emulated control buttons
