US PATENT SUBCLASS 235 / *
.~.~ Optical (235/454)


Current as of: June, 1999
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235 /   HD   REGISTERS

*  DD  CODED RECORD SENSORS (235/435) {1}
*  DD  .~ Particular sensor structure (235/439) {1}
*.~.~ Optical (235/454) {1}
FOR 106  DF  .~.~.~> Hand held (235/472)