Laptop computer with an integrated multi-mode antenna

Details Laptop computer with an integrated multi-mode antenna Laptop computer with an integrated multi-mode antenna

1996-02-20

1997-11-04

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

343702, G06F 116, H01Q 124

Patent

active

056846720

ABSTRACT:
An antenna is integrated into the laptop to increase the efficiency, convenience and ruggedness of radio frequency transmission. The antenna extends from the laptop's cover when in use for maximum efficiency but retracts when not in use for ruggedness and convenience. The antenna is a multi-modal antenna to permit efficient transmission and reception in more than one range of frequencies. The multi-modal antenna is made up of multiple segments for transmitting and receiving at different frequencies that are matched to a single terminating circuit.

REFERENCES:
patent: 4953113 (1990-08-01), Chadima, Jr. et al.
patent: 5373300 (1994-12-01), Jenness et al.
patent: 5504494 (1996-04-01), Chatzipetros et al.
patent: 5526411 (1996-06-01), Krieter
patent: 5546094 (1996-08-01), Egashira
patent: 5550552 (1996-08-01), Oxley
patent: 5555459 (1996-09-01), Kraus et al.
patent: 5557288 (1996-09-01), Kato et al.

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