Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04H
BROADCAST COMMUNICATION
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60/00
Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
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H04H60/35
Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
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H04H60/38
for identifying broadcast time or space
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