Removable trackball for a handheld wireless communication...

Details Removable trackball for a handheld wireless communication... Removable trackball for a handheld wireless communication...

2011-06-28

2011-06-28

Sharma, Sujatha (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S090300, C455S575100, C345S163000, C345S167000

Reexamination Certificate

active

07970431

ABSTRACT:
A handheld wireless communication device cradleable by an user during text entry. A display and key field are located on a front face of the device. The key field includes alphanumeric input keys and menu control keys. Additionally, an user-removable trackball navigation tool is provided on the device. The trackball navigation tool can be releasably snap-engaged or releasably friction-engaged in the body of the device. The removable trackball navigation tool enables the user to independently remove the trackball navigation tool from the device and perform self-maintenance on the device with respect to the navigation tool.

REFERENCES:
patent: 5889507 (1999-03-01), Engle et al.
patent: 5914702 (1999-06-01), Derocher et al.
patent: 6810271 (2004-10-01), Wood et al.
patent: 7193613 (2007-03-01), Jam
patent: 7456759 (2008-11-01), Griffin et al.
patent: 7505798 (2009-03-01), Hofer et al.
patent: 2003/0094354 (2003-05-01), Badarneh
patent: 2005/0053225 (2005-03-01), Griffin
patent: 2007/0259697 (2007-11-01), Griffin et al.
patent: 571068 (1993-11-01), None
CA Office Action—2,581,514 Mailed May 2, 2008.

Affiliated with

Also associated with

Rating

Removable trackball for a handheld wireless communication... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Removable trackball for a handheld wireless communication..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Removable trackball for a handheld wireless communication... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2708893