| 摘要 |
A method and apparatus are disclosed for providing audio-visual communication between registered users. Similar to the traditional walkie-talkie, a user depresses a button to transmit audio information, such as voice, and releases the same button to receive audio information from a transmitting device. Additionally, when communicating to another unit, the transmitting unit can also simultaneously send streaming video or still pictures in conjunction with audio communication. Both the audio and streaming video are transmitted and received in real-time. Still pictures may be stored or transmitted at any time. Each unit comprises a transmitter, antenna, camera, speaker, display screen and battery that are compact enough to be taken anywhere and allow for mobility. To enable security of the device, users must register with each other while within range before any communication can begin. This invention will allow users to communicate with each other for both business and recreational purposes.
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