Abstract: Techniques for interacting with an electronic display board are disclosed. According to one embodiment, a remote controller includes a laser generator, several motion sensors, a Micro Central Unit has data process capability and memory inside to store programs and a transceiver or a transmitter. A laser beam from the laser generator facilitates a writing movement on the electronic data board, the motion sensors detect the movement of the remote controller, and the MCU calculate the sensor data to derive the movement, the transmitter transmits the movement from the controller to the electronic data board. In accordance of the detected movement, the movement of the remote controller corresponding to the laser is electronically represented on the electronic display board.

Abstract: Techniques for interacting with an electronic display board are disclosed. According to one embodiment, a remote controller includes a laser generator, several motion sensors, a Micro Central Unit has data process capability and memory inside to store programs and a transceiver or a transmitter. A laser beam from the laser generator facilitates a writing movement on the electronic data board, the motion sensors detect the movement of the remote controller, and the MCU calculate the sensor data to derive the movement, the transmitter transmits the movement from the controller to the electronic data board. In accordance of the detected movement, the movement of the remote controller corresponding to the laser is electronically represented on the electronic display board.

Abstract: The invention pertains to an improved LCOS microdevice that eliminates colored lights required generally in a prior art system. According to one aspect of the present invention, the LCOS structure uses color filters directly in the LCOS chip. Depending on the number of colors being used, the color filters are arranged repeatedly according to a predefined pattern across an entire LCOS chip to coincide with pixels in the microdevice. When a white light is focused onto the LCOS microdevice, it reflects a color image that is then magnified and projected onto a display screen.