Patent ReferencesMatrix display Portable personal computer and mobile telephone device Portable telephone apparatus including electronic notebook function Cellular portable radiotelephone Radio communication device having a moveable housing element and keypad disposed therein Back illuminated LCD apparatus with light attenuating means for even light distribution and method of manufacture Function for facilitating use of a double-acting communication device and a double-acting communication device Communication device with two modes of operation Patent #: 6047196 InventorsAssigneeApplicationNo. 09/236960 filed on 01/25/1999US Classes:345/168Including keyboardExaminersPrimary: Hjerpe, RichardAssistant: Eisen, Alexander Attorney, Agent or FirmInternational ClassesG06F 1/16 (20060101)H04M 1/23 (20060101) H04M 1/02 (20060101) Foreign Application Priority Data1998-01-29 FIAbstractA mobile communication device has a body portion (2) and a lid (7) hingeably coupled to the body portion (2). The lid (7) is moveable about a hinged joint (8) between open and closed positions in which a surface portion of the body portion (2) is respectively uncovered and covered by the lid. A first plurality of data input keys (11b) are provided on said surface portion of the body portion (2) whilst a second plurality of data input keys (11a) are provided on an inner surface of the lid (7). The first and second plurality of keys combine, when the lid (7) is open, to provide a QWERTY keyboard. A third plurality of keys (10) on an outer surface of the lid (7) provide a set of telephone keys for use when the lid (7) is closed. An electronic display (6) is provided on a surface of the body portion (2), the display (6) being visible to a user when the lid (7) is in both the open and closed positions. Display control means is arranged to display information on the display (6) with a first orientation when the lid (7) is in the open position and with a second orientation, substantially at right angles to said first orientation, when the lid (7) is in the closed position.Other References
Field of SearchDISPLAY PERIPHERAL INTERFACE INPUT DEVICE | |