Resources Contact Us Home
Button input apparatus with display function and portable electronic device having the same

Image Number 4 for United States Patent #7294794.

A button input apparatus with a display function, which generates a switch signal in response to a user's press, and a portable electronic device having the same. The button input apparatus includes: a plurality of lever buttons each having a transparent window in at least a portion thereof, and one fixed edge on one side of the transparent window, so that the buttons are elastically vertically flexible; a switch substrate, which is disposed below the plurality of lever buttons, including openings respectively corresponding to the transparent windows, and generating a switch signal according to a motion of any of the plurality of lever buttons via a plurality of switches disposed to respectively correspond to elastic parts of the lever buttons; and a display panel, which provides an image in an area corresponding to each of the transparent windows, at least a portion of the display panel being disposed below the plurality of lever buttons.

  Recently Added Patents
Non-intrusive processor tracing
Load control device
Compounds, compositions and methods for reducing lipid levels
Radio frequency power delivery system
Encryption using alternate authentication key
Pet grooming brush and vacuum attachment
Inhibitors of the mevalonate pathway of Streptococcus pneumoniae
  Randomly Featured Patents
Internal stabilization of polycarbonate resins
Device for creating and displaying liquid-medium movement within a vessel containing a dioramic scene
Dispensing apparatus
Method and apparatus of measuring the specific activity of dehydrogenases in tissue
5-esters of milbemycins for controlling parasitic pests
Preventing loss of traced information in a data processing apparatus
Hand truck apparatus
Binuclear iridium(I) phosphine complexes and their use as catalyst in the asymmetric hydroamination of olefins
Safety syringe
Ring-closure method for 1-carbacephalosporin six-membered ring