18485708. TOUCH SENSOR AND TOUCH SENSING METHOD simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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TOUCH SENSOR AND TOUCH SENSING METHOD

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Jinchul Lee of Seoul (KR)

Yoonkyung Choi of Seongnam-si (KR)

Bumsoo Kim of Hwaseong-si (KR)

Sanho Byun of Seoul (KR)

TOUCH SENSOR AND TOUCH SENSING METHOD - A simplified explanation of the abstract

This abstract first appeared for US patent application 18485708 titled 'TOUCH SENSOR AND TOUCH SENSING METHOD

Simplified Explanation

The abstract describes a touch sensor with a multi-driving scheme. It consists of a touch panel with input and output lines that can detect touch by measuring changes in mutual capacitance. The processing circuitry generates transmission signals with different polarities based on an encoding operation on a matrix. These signals are outputted in an unbalanced period when their phases sum up to a value greater than 0. Receiving signals are then received through the output lines and decoded based on the matrix. The receiving signals are generated by the change in mutual capacitance caused by touch.

  • The touch sensor uses a touch panel with input and output lines.
  • It detects touch by measuring changes in mutual capacitance.
  • The processing circuitry generates transmission signals with different polarities.
  • The transmission signals are outputted in an unbalanced period.
  • Receiving signals are received through the output lines.
  • The receiving signals are decoded based on a matrix.
  • The receiving signals are generated by the change in mutual capacitance caused by touch.

Potential Applications:

  • Touchscreens for electronic devices such as smartphones, tablets, and laptops.
  • Interactive displays for public information systems, kiosks, and digital signage.
  • Control panels for appliances, automotive interfaces, and industrial equipment.

Problems Solved:

  • Provides a reliable and accurate touch sensing mechanism.
  • Allows for multi-touch detection and gesture recognition.
  • Reduces false touch detection and improves touch sensitivity.

Benefits:

  • Enables precise and responsive touch input.
  • Supports multi-touch functionality.
  • Enhances user experience with intuitive touch interactions.
  • Increases the durability and lifespan of touch panels.


Original Abstract Submitted

A touch sensor of multi-driving scheme includes a touch panel including input lines and output lines, the touch panel causes a change in mutual capacitance in response to touch. Processing circuitry generates transmission signals to the input lines as a result of an encoding operation on a first matrix having an inverse matrix, each of the transmission signals has a first polarity or a second polarity opposite in phase to the first polarity; outputs the transmission signals in an unbalanced period when the sum of phases of the transmission signals is greater than 0; receives receiving signals through the output lines; and decodes the receiving signals based on the first matrix, the receiving signals generated by the change in the mutual capacitance in response to the touch.

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