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Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04B
TRANSMISSION
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1/00
Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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H04B1/02
Transmitters
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H04B1/03
Constructional details, e.g. casings, housings
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H04B1/034
Portable transmitters
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H04B1/0343
to be carried on the body
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