Resources Contact Us Home
Touch screen display circuit and voltage measurement circuit

Image Number 19 for United States Patent #6961015.

A touch screen display circuit is disclosed which includes means for measuring a voltage at two separate input terminals which represent a location on a touch screen where pressure was applied. The display circuit includes means for defining a time period during which the voltage is measured and means for converting the measured voltage to a digital value. The means for measuring a voltage includes an amplifier and a capacitor which are configured as an integrator. The means for converting comprises a counter that measures an amount of time required for the capacitor to dissipate its charge. A touch screen display system having a touch screen which includes first and second sheets of conductive materials positioned in a spaced apart relationship is disclosed. The touch screen display system utilizes a means coupled to the first and second sheets for measuring a voltage at two separate input terminals, a means for defining a time period during which the voltage is measured and a means for converting the voltage to a digital value.

  Recently Added Patents
Search result ranking with search string certainty weighting
Applying effects to a video in-place in a document
Carrier for a control unit of a motor vehicle, control unit and motor vehicle
Method for batchwise slaking of burnt lime in a slaker
Semiconductor light emitting device and method for manufacturing the same
Thiazole derivatives for the treatment of diseases such as cancer
  Randomly Featured Patents
Print server, mobile computing device, system and method for printing using a mobile computing device
Amides and sulphonamides of benzylamines having heterocyclic substituents
Self-adjusting rotary chuck
Sample processing device with a chamber forming member
Method and apparatus for retrofitting drilling rigs with a catch pan
Device for storing article protecting automobile body
Surgical instrument with rotatable shaft
Belt conveyor
Wireless communication system with a modulation bandwidth comparable to or exceeding the bandwidth of the transmitter and/or receiver antennas
Systems, methods, and apparatus for providing promotion information to a mobile device