International Business Machines Corporation

Richard Morgan Helms

John V Taglione

Witold Gajewski

Stephen Yik-fai Hon

Peter G Moogk

The invention provides an optical communications system having a dual mode of operation. It includes a communications module having an optically active portion with a wide-angle view; a light collimator; and a connector connecting the communications module and the light collimator to permit the module and collimator to be selectively positioned in a collimated or non-collimated position. When it is the collimated position, the communications module is positioned at the focal point of the collimator, and when in a non-collimated position the communications module is positioned away from focal point of the collimator; so that the communications system has a narrow field of view when operated in the collimated position, and has a wide field of view when operated in the non-collimated position.

Dual mode collimated communications transceiver

The invention provides an imaging system including a camera with an image sensor sensitive to light and a light emitter with the camera to transmit image data from the camera. It includes a controller to control the light emitter to illuminate a subject in the field of view of the camera.

Imaging system using a data transmitting light source for subject illumination

A stereo computer system with resources to produce and record surround sound channels. Such surround sound channels are played or recorded using an audio card added to the computer system, which audio card controls additional speakers and/or microphones. Software for redirecting instructions from existing stereo application programs and sending these instructions to the existing audio device driver and the additional audio device driver is provided. Resources for processing the digital audio data for either extracting surround sound channels from two channel data provided by the application, or for encoding two sets of two channel audio data recorded by the two audio cards is also included.

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Sunderland, Canada

Richard Morgan Helms