IPC Definitions - January 01, 2012
H04Q 9/00 - Definition
Attention is drawn to the following places, which may be of interest for search:
Electric programme-control systems | G05B 19/02 |
Transmission systems for measured values, control signals | G08C |
Toy vehicles | A63H 17/00 |
Electric circuits specially adapted for vehicles | B60R 16/02 |
Applications of remote control devices for cranes | B66C 13/40 |
Electric permutation locks | E05B 49/00 |
Input and output arrangements for digital data processing | G06F 3/00 |
Individual entry or exit registers | G07C 9/00 |
Circuit arrangements for providing remote control of switching means in a power distribution network | H02J 13/00 |
Remote-control of tuned circuits | H03J 9/00 |
Data switching networks | H04L 12/00 |
Telephonic communication systems adapted for combination with other electrical systems | H04M 11/00 |
Receiver circuitry of television systems | H04N 5/44 |