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Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04K
SECRET COMMUNICATION; JAMMING OF COMMUNICATION
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3/00
Jamming of communication; Counter-measures
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H04K3/40
Jamming having variable characteristics
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H04K3/41
characterized by the control of the jamming activation or deactivation time
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H04K3/415
based on motion status or velocity, e.g. for disabling use of mobile phones in a vehicle
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