| http://www.w3.org/ns/prov#value | - In more sophisticated systems that are intended to provide a more secure optical out-of-band channel 104, the mounting portion 440 b is configured to provide more resistance against light escaping from the optical transmitter escaping into the local environment. [0060] The light source 303 of the optical transmitter 302 includes, for example, one of the lights located on the keyboard that is assoc
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