DIFF Subgroup
H04H 20/63 to plural spots in a confined site, e.g. MATV [Master Antenna Television]
Introduced: January 2008
Full Title
Arrangements for broadcast or for distribution combined with broadcast > Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers > for local area broadcast, e.g. instore broadcast > to plural spots in a confined site, e.g. MATV [Master Antenna Television]
No child classifications to compare. This is a leaf node in both IPC and CPC.