Communications: radio wave antennas – Antennas – Plural separate diverse type
Patent
1997-07-01
1999-06-22
Kim, Robert
Communications: radio wave antennas
Antennas
Plural separate diverse type
343702, H01Q 2100
Patent
active
059146915
ABSTRACT:
An antenna apparatus includes a magnetic-current-type antenna, an electric-field-type antenna, and switch. The magnetic-current-type antenna and the electric-field-type antenna are switched according to use conditions by the switch.
REFERENCES:
patent: 4633519 (1986-12-01), Gotoh et al.
patent: 5767811 (1998-06-01), Mandai et al.
Mandai Harufumi
Tsuru Teruhisa
Kim Robert
Murata Manufacturing Co. Ltd.
Nguyen Tu T.
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