Communications: radio wave antennas – Antennas – With radio cabinet
Patent
1996-09-18
1998-04-14
Le, Hoanganh T.
Communications: radio wave antennas
Antennas
With radio cabinet
343895, 343906, H01Q 124
Patent
active
057397937
ABSTRACT:
A mobile communication information terminal apparatus comprises a mobile mainframe; a radio portion which is provided in the mainframe for transmitting and receiving via a radio channel; a control portion which is provided in the mainframe and connected to the radio portion for transmitting and receiving communication information; an operating portion which is provided in the mainframe for providing the communication information with the control portion by an operation from outside; a storage portion which is provided in the main frame for storing the communication information; an antenna attachment portion which is provided on a surface of the mainframe; a helical antenna which is provide in the antenna attachment portion and electrically connected to the radio portion; a combination antenna/touch pen comprising an electrical conductor portion having a predetermined length, which is attached into the antenna attachment portion along with a central axis of the helical antenna, wherein a tip of the combination antenna/touch pen is tapered like a pencil, the electrical conductor is electrically connected to the radio portion when the combination antenna/touch pen is attached into the antenna attachment portion, and an operation can be possible to the operating portion from outside; and a switching means for switching from the helical antenna to the combination antenna/touch pen when the combination antenna/touch pen is attached to the antenna attachment portion; wherein according to the operation of the switching means, the control portion reads out the communication information from the storage portion and carries out communication via the combination antenna/touch pen.
REFERENCES:
patent: 5214437 (1993-05-01), Hensler
patent: 5343213 (1994-08-01), Kottke et al.
patent: 5479178 (1995-12-01), Ha
patent: 5594457 (1997-01-01), Wingo
IBM Technical Disclosure Bulletin, vol. 38, No. 5, May 1995, New York, US, pp. 513-514 XP000519662, "Stylus Storage Within An Antenna."
Le Hoanganh T.
Mitsubishi Denki & Kabushiki Kaisha
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