(0)H04H:0/0:
IPC6
SECTION H - ELECTRICITY
BROADCAST COMMUNICATION
H04H
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H 04 H

 BROADCAST COMMUNICATION (transmission in general H 04 B; multiplex communication H 04 J)
 

Note
 

This subclass covers:
 

-

 distribution of entertainment or informative matter simultaneously to a number of receiving stations over transmission lines or over radio waves;
 

-

 recording of the use made of the broadcast service.

 

 

 
 

 1
/ 00 Broadcast distribution systems

1
/ 02 • Wired systems  

1
/ 04 • • using carrier waves  

1
/ 06 • • • having frequencies in two or more frequency bands, e.g. medium wave and VHF  

1
/ 08 • • • combined with telephone network over which the broadcast is continuously available (telephone systems in general H 04 M)  

1
/ 10 • • using signals not modulated on a carrier  

1
/ 12 • • • not sharing the network with any other service  

1
/ 14 • • combined with power distribution network  
 

 3
/ 00 Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
 

 5
/ 00 Stereophonic broadcast systems (multiplex systems in general H 04 J)
 

 7
/ 00 Studio equipment (for television H 04 N); Interconnection of studios (arrangements for producing a reverberation or echo sound G 10 K 15/08) [5]

7
/ 02 • Mobile studios  

7
/ 04 • Monitoring programmes  
 

 9
/ 00 Recording the use made of the broadcast service