Patents Assigned to Walltop International Corporation
  • Patent number: 9690398
    Abstract: A capacitive pointer is disclosed. The capacitive pointer comprises a conductive refill, a refill cover, an elastomer, a pressure sensor, a sensor board, a control circuit board, a pointer tip, a first frame and a second frame. The conductive refill penetrates and combines with the refill cover. The pressure sensor is mounted on the sensor board. The conductive refill applies a tip pressure against on the pressure sensor through the refill cover pushing the elastomer to sense the tip pressure of the capacitive pointer. The sensor board electrically connects the control circuit board to calculate a tip pressure value of the capacitive pointer. The pointer tip electrically connects the control circuit board. The first frame and the second frame are located between the conductive refill and the refill cover and combine to secure the control circuit board.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: June 27, 2017
    Assignee: Walltop International Corporation
    Inventor: Chung-Hsuan Li