Control systems and methods for head-mounted information systems

A method of controlling a head-mounted information system comprising a frame configured to be mounted on a head of a user, a display unit coupled to the frame, the display unit comprising a display for producing an image, a sensor unit coupled to the frame, the sensor unit comprising one or more motion sensors, and, a processor unit coupled to the frame, the processor unit connected to receive signals from the one or more motion sensors and configured to process the one or more motion signals to produce outputs representing parameters relating to user performance of a physical activity, the processor unit comprising a processor and a memory accessible by the processor, the method comprising:

• monitoring the signals from the motion sensors;
• entering a gesture control mode upon occurrence of a gesture control enable signal;
• and,
• in the gesture control mode:
• displaying a menu comprising a plurality of menu items on the display;
• and,
• converting signals received from the motion sensors into menu navigation commands.

A head-mounted information system comprising:

• a frame configured to be mounted on a head of a user;
• a display unit coupled to the frame, the display unit comprising a display for producing an image, the display coupled to the frame at a display location positioned such that the display is at an edge of a field of vision of the user when the frame is mounted on the head of the user;
• a sensor unit coupled to the frame, the sensor unit comprising a 3-axis accelerometer and a 3-axis gyroscope;
• and,
• a processor unit coupled to the frame, the processor unit connected to receive signals from the sensor unit and configured to process the one or more motion signals to produce outputs representing parameters relating to user performance of a physical activity, the processor unit comprising a processor and a memory accessible by the processor, and configured to control the display unit based on the signals received from the sensor unit.