(under subclass 124) Subject matter wherein object and reference beams are required to store information.
SEE OR SEARCH THIS CLASS, SUBCLASS:
216, for circuits used to read/write holos:graphic memories.
SEE OR SEARCH CLASS
235, Registers,
457, for holos:graphic card readers.
359, Optics: Systems (Including Communication) and Elements, 1+, for storage systems where there is a holos:graphic storage medium storing information signal absent any electrical circuitry.
