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Antenna-cap-for-computer-device-utilizing-a-radio-card

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Antenna cap for computer device utilizing a radio card

Details

Inventors: West, Guy J.; Mahany, Ronald L.;
Assignee: Norand Corporation (Cedar Rapids, IA)
Primary Examiner: Bowler; Alyssa H.
Assistant Examiner: Davis; Walter D.
Attorney, Agent or Firm: Stanford & Bennett LLP

A computer device for receiving and utilizing a radio card. The radio transceiver is self contained inside the radio card and has antenna contacts disposed on the radio card on one end and an electrical interface on the other. The computer device receives the radio card such that it engages the electrical interface. The computer device additionally has and cap which covers the opening into which the radio has been inserted. Antenna contacts are disposed on the cap to engage the antenna contacts on the radio card. At least one antenna is operably connected to the radio card through the cap. A band is used to attach the cap to the housing of the computer device. The antenna or antennas are embedded in the cap, in the band, or embedded in or attached to the housing of the computer device. Positioning two similar antennas in different position creates an antenna diversity scheme. Shielding can be added to the cap to help reduce the escape of electronic noise. A micro shield ribbon can be used to connect the antenna and the antenna contacts on the cap.

DETAILED DESCRIPTION We claim: 1.
A computer device comprising: a radio card having a radio card electrical interface and radio card antenna contacts disposed thereon; a housing having an external surface, wherein said external surface includes an opening having a periphery; a second electrical interface disposed within the opening of said housing; said radio card electrical interface communicatively coupling with said second electrical interface upon insertion of said radio card through the opening of said housing; a cap sized to engage said opening of said housing; cap antenna contacts disposed on said cap to communicatively couple with said radio card antenna contacts upon engaging said cap with said opening of said housing; and a first antenna connected to said cap antenna contacts.
2.
The computer device of claim 1 wherein said cap includes a lip disposed to sealingly engage said housing at the periphery of said opening.
3.
The computer device of claim 2 wherein said lip is outwardly extending.
4.
The computer device of claim 1 wherein said first antenna is disposed in said cap.
5.
The computer device of claim 1 further comprising: a second antenna; and said second antenna connected to said cap antenna contacts.
6.
The computer device of claim 5 wherein said first antenna and said second antenna are disposed in said cap.
7.
The computer device of claim 6 wherein said first antenna and said second antenna are designed to transmit or receive different radio frequency signals.
8.
The computer device of claim 1 further comprising a band, said band including a first end connected to said housing and a second end connected to said cap.
9.
The computer device of claim 8 further comprising: a second antenna; and said second antenna connected to said cap antenna contacts.
10.
The computer device of claim 9 wherein said first antenna is disposed in said cap and said second antenna is disposed in said band.
11.
The computer device of claim 10 wherein said first antenna and said second antenna are designed to transmit or receive different range of radio frequency signals

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