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How Our Digital Radio Technology Works

The block diagram below shows an overview of our radio technology. There are two components, one connects to the robot vehicle, and the second connects to the OCU. The component on the vehicle samples video, audio, and sensor data (e.g. GPS) from the vehicle, encodes the data, combines the streams together, and encrypts it. This data is then sent to the OCU. The OCU component receives this data, decrypts it, extracts and decodes the streams and sends the resulting signals to the OCU. The OCU component also sends encrypted audio and control signals to the Vehicle component. The system works with NTSC or PAL video streams and analog audio, with signal levels conditioned as needed for the target system. The system also has standard RJ45 connectors that support 10/100 ethernet. These connectors can be used to send ethernet data from end to end (for example, from a digital x-ray system) and can optionally connect to an external computers for additional processing of video, audio, and control signals.

The system is highly modular. This supports the capability for output power and frequency agility, as well as ease of upgrades to radios and on board computing as technology advances.

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