Electronic device

• US 20090303680A1
• Filed: 02/25/2009
• Published: 12/10/2009
• Est. Priority Date: 06/10/2008
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Mihara, Daisuke, Tatsukami, Ikki
• Granted Patent: US 8,213,166 B2
• Time in Patent Office: Days
• US Class Current: 361/679.550
• CPC Class Codes: G06F 1/1616 with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
• CPC Class Codes: G06F 1/1656 Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203
• CPC Class Codes: G06F 1/1671 Special purpose buttons or auxiliary keyboards, e.g. retractable mini keypads, keypads or buttons that remain accessible at closed laptop G06F1/1666 takes precedence
• CPC Class Codes: G06F 1/169 the I/O peripheral being an integrated pointing device, e.g. trackball in the palm rest area, mini-joystick integrated between keyboard keys, touch pads or touch stripes G06F1/1643 takes precedence; constructional details of pointing devices G06F3/033
• CPC Class Codes: G06F 1/20 Cooling means

Abstract

An electronic device includes: a casing; a detachable cover having a plate shape forming a part of a top surface of the casing; and an electrostatic touch sensor disposed on an inner surface of the cover to detect a touch location of a finger on an outer surface of the cover.

Claims

1. An electronic device comprising:

a casing;

a detachable cover having a plate shape forming a part of a top surface of the casing; and

an electrostatic touch sensor disposed on an inner surface of the cover to detect a touch location of a finger on an outer surface of the cover.

2. The electronic device according to claim 1, further comprising a display unit which has a display screen and is supported by a main unit to be freely opened and closed relative to the main unit,

wherein the casing is a casing of a main unit having a keyboard disposed on a top surface of the main unit and an operational circuit, and the electrostatic touch sensor is a pointing device which controls movement of a cursor on the display screen depending on movement of a user'"'"'s finger touching the outer surface of the cover.

3. The electronic device according to claim 1, wherein the cover includes an engagement claw at an edge, and the casing has an engagement hole in to which the engagement claw is engaged.