IPC Definitions - January 01, 2012

H04Q 9/00 - Definition fr

Informative references

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