Resources Contact Us Home
Interactive sequential key system to input characters on small keypads

Image Number 3 for United States Patent #7561072.

This invention discloses an interactive sequential system to input letters of the English alphabet and of many world languages, numbers, punctuation marks and many other symbols on keypads with few buttons. The invention includes a device for receiving input characters from a user, having a keypad with a plurality of keys arranged in rows and columns forming a keypad array; a display screen showing a plurality of character sets arranged in rows and columns forming a character set onscreen array wherein each element in the character set array is mapped to each element in the keypad array; and a processor for receiving a selection of one of the plurality of keys on the keypad to designate a character set by its corresponding location coordinate as mapped on the keypad array. Sequential key selection drills down through nested arrays.

  Recently Added Patents
Semiconductor device and manufacturing method thereof
Method for manufacturing photoelectric conversion device
Heat retaining device
Relative pose estimation of non-overlapping cameras using the motion of subjects in the camera fields of view
Transducer displacement protection
Control method of LPI lamp for LPI vehicle and logic therefor
Method for determining an object class of an object, from which light is emitted and/or reflected to a vehicle
  Randomly Featured Patents
Inverse collimation for nuclear medicine imaging
Accumulator cell assembly
Can coatings, methods for coating can and cans coated thereby
Discharge apparatus for flowable media
Perpendicular magnetic recording medium
Hitch rocker for a work vehicle
Scan converter for converting a video signal for a television receiver
Automatic frequency selection for peaking
Short coupling with variable geometry for trailers
Furniture article with edge molding