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    Touchpad module that can be triggered by pressing down in all regions and computing device using the touchpad module
    1.
    发明授权
    Touchpad module that can be triggered by pressing down in all regions and computing device using the touchpad module 有权

    公开(公告)号：US11640215B1

    公开(公告)日：2023-05-02

    申请号：US17856802

    申请日：2022-07-01

    Applicant: Primax Electronics Ltd.

    Inventor： Wei-Chiang Huang ,  Chao-Wei Lee ,  Hsueh-Chao Chang ,  Sian-Yi Chiu

    IPC: G06F3/041 ,  G06F1/16

    Abstract: A touchpad module includes a touch member, a base plate, a supporting element and a switch. The touch member includes a first touch region and a second touch region. The base plate is located under the touch member. The supporting element is arranged between the touch member and the base plate. The supporting element is aligned with the second touch region. The switch is arranged between the touch member and the base plate. The switch is aligned with the second touch region. When a pressing force is applied to the second touch region of the touch member, the pressing force is transmitted to the base plate through the supporting element. Consequently, the base plate is subjected to deformation. The switch is triggered in response to the deformation of the base plate.

    Touchpad module
    2.
    发明授权
    Touchpad module 有权

    公开(公告)号：US12061765B1

    公开(公告)日：2024-08-13

    申请号：US18135647

    申请日：2023-04-17

    Applicant: Primax Electronics Ltd.

    Inventor： Chao-Wei Lee ,  Hsueh-Chao Chang

    IPC: G06F3/041 ,  G06F3/047

    CPC classification number: G06F3/047

    Abstract: A touchpad module includes a touch member, a touch sensitive circuit board and an additional solder resist layer. The touch sensitive circuit board is located under the touch member. The touch sensitive circuit board includes a substrate, a sensing wire layer and a solder resist layer. The sensing wire layer is installed on the substrate. The sensing wire layer and a portion of the substrate are covered by the solder resist layer. At least one exhaust channel is formed in the solder resist layer. The additional solder resist layer is arranged between the touch member and the touch sensitive circuit board. At least one additional exhaust channel is formed in the additional solder resist layer and arranged between the touch member and the touch sensitive circuit board. The at least one additional exhaust channel is in communication with the at least one exhaust channel.

    Touchpad module and computing device using same
    3.
    发明授权
    Touchpad module and computing device using same 有权

    公开(公告)号：US11966530B1

    公开(公告)日：2024-04-23

    申请号：US18138438

    申请日：2023-04-24

    Applicant: Primax Electronics Ltd.

    Inventor： Wei-Chiang Huang ,  Chao-Wei Lee ,  Hsueh-Chao Chang ,  Sian-Yi Chiu

    IPC: G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/0414 ,  G06F3/0447 ,  G06F2203/04105

    Abstract: A touchpad module includes a base plate, a touch member and at least one pressure sensing module. The touch member is located over the base plate. The touch member includes a touch plate and a touch sensitive circuit board. The pressure sensing module is arranged between the base plate and the touch member. The pressure sensing module includes a pressure sensor and a miniature supporting plate. The pressure sensor is installed on the miniature supporting plate. The pressure sensor is electrically connected with the touch sensitive circuit board through the miniature supporting plate. While the touch member is pressed in response to an external pressing force, the pressing force exerted on the touch member is sensed by the at least one pressure sensing module, and the pressure sensing module generates a pressure sensing signal.

    Touchpad module and computing device using same
    4.
    发明授权
    Touchpad module and computing device using same 有权

    公开(公告)号：US12013994B1

    公开(公告)日：2024-06-18

    申请号：US18139613

    申请日：2023-04-26

    Applicant: Primax Electronics Ltd.

    Inventor： Wei-Chiang Huang ,  Chao-Wei Lee ,  Hsueh-Chao Chang ,  Chieh-Hung Hsieh ,  Sian-Yi Chiu

    IPC: G06F3/03 ,  G06F1/16 ,  G06F3/0354 ,  G06F3/038 ,  H05F1/00

    CPC classification number: G06F3/03547 ,  G06F1/169 ,  G06F3/0383 ,  H05F1/00

    Abstract: A touchpad module for a computing device is provided. The touchpad module is installed within a fixing frame of the computing device. The touchpad module includes a base plate, a touch member, a conductive supporting structure, a first adhesive layer, a second adhesive layer and a conducting element. The touch member is located over the base plate. The conductive supporting structure is arranged between the base plate and the touch member. The conducting element is connected between the base plate and the fixing frame of the computing device. An electrostatic discharge path is defined by the touch member, the conductive supporting structure, the base plate, the conducting element and the fixing frame of the computing device collaboratively. In addition, static electricity generated on the touch member is guided out of the touchpad module through the electrostatic discharge path.

    Force touch judgment method
    7.
    发明授权
    Force touch judgment method 有权

    公开(公告)号：US12153760B1

    公开(公告)日：2024-11-26

    申请号：US18381596

    申请日：2023-10-18

    Applicant: Primax Electronics Ltd.

    Inventor： Chieh-Hung Hsieh ,  Chao-Wei Lee ,  Hsueh-Chao Chang ,  Wei-Chiang Huang

    IPC: G06F3/041 ,  G01L1/00 ,  G06F3/01 ,  G06F3/0354

    Abstract: A force touch judgement method is applied to a force touch pad with two force sensors. Firstly, a force touch operation corresponding to a real force value is performed on a force touch position. Then, a first sensing signal value and a second sensing signal value corresponding to the force touch operation are respectively generated by the two force sensors. Then, the first sensing signal value and the second sensing signal value are added as a total sensing signal value. A calibration force value corresponding to the force touch position is obtained. A first calibration signal value and a second calibration signal value corresponding to the force touch position are added as a total calibration signal value. A ratio of the total sensing signal value to the total calibration signal value is equal to a ratio of the real force value to the calibration force value.

    METHOD FOR CALIBRATING SENSED FORCE OF TOUCH PAD MODULE
    8.
    发明公开
    METHOD FOR CALIBRATING SENSED FORCE OF TOUCH PAD MODULE 审中-公开

    公开(公告)号：US20240328885A1

    公开(公告)日：2024-10-03

    申请号：US18199294

    申请日：2023-05-18

    Applicant: Primax Electronics Ltd.

    Inventor： Chieh-Hung Hsieh ,  Hsueh-Chao Chang ,  Sian-Yi Chiu ,  Chao-Wei Lee ,  Wei-Chiang Huang

    IPC: G01L25/00 ,  G06F1/16 ,  G06F3/0354 ,  G06F3/041

    CPC classification number: G01L25/00 ,  G06F1/169 ,  G06F3/03547 ,  G06F3/04142 ,  G06F3/0418

    Abstract: A method for calibrating sensed force of a touch pad module is provided. The touch pad module includes a touch pad and force sensing elements disposed therebeneath. The method includes: obtaining a force reference table obtained before the touch pad module is assembled with an electronic device, the force reference table including a first data, which includes a first point of the touch pad and first force reference values corresponding to the first point and respectively corresponding to the force sensing elements; placing a calibration block on the first point after the touch pad module is assembled with the electronic device, so the force sensing elements respectively obtain first force test values corresponding to the first point; calculating first compensation ratios according to the first force reference values and the first force test values; and inputting the first compensation ratios into the force reference table.

    Touchpad module and computing device using same
    10.
    发明授权
    Touchpad module and computing device using same 有权

    公开(公告)号：US11726584B1

    公开(公告)日：2023-08-15

    申请号：US17952557

    申请日：2022-09-26

    Applicant: Primax Electronics Ltd.

    Inventor： Wei-Chiang Huang ,  Chao-Wei Lee ,  Hsueh-Chao Chang ,  Chieh-Hung Hsieh ,  Sian-Yi Chiu

    IPC: G06F3/033 ,  G06F3/0354 ,  G06F1/16 ,  G06F3/01 ,  G06F3/02

    CPC classification number: G06F3/03547 ,  G06F1/1616 ,  G06F3/016 ,  G06F3/0202

    Abstract: A touchpad module includes a base plate, a touch member, plural supporting elements, plural pressure sensing units and a feedback generation element. The base plate includes a plate body and plural elastic arms. The plural elastic arms are formed on the plate body. The plural supporting elements are arranged between the base plate and the touch member, and aligned with the corresponding elastic arms. While the touch member is moved toward the base plate, the plural supporting elements are move downwardly with the touch member to press the corresponding elastic arms. Consequently, the plural elastic arms are subjected to deformation. If the deformation amount of at least one of the plural elastic arms reaches a threshold value, the corresponding pressure sensing unit issues a pressure sensing signal. The feedback generation element generates a haptics feedback effect in response to the pressure sensing signal.

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