Patents Assigned to Primax Electronics Ltd.
  • Patent number: 11966530
    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.
    Type: Grant
    Filed: April 24, 2023
    Date of Patent: April 23, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Chiang Huang, Chao-Wei Lee, Hsueh-Chao Chang, Sian-Yi Chiu
  • Patent number: 11960138
    Abstract: An active alignment machine includes a base, a first pillar, a second pillar, a distribution module, a first alignment module, a second alignment module and a third alignment module. The first pillar has a first pillar top surface. The second pillar has a second pillar top surface. The first pillar top surface and the second pillar top surface cooperatively support plural assembling specifications. The distribution module is installed on the base and arranged between the first pillar and the second pillar. The first alignment module, the second alignment module and third alignment module are replaceable to be assembled with or dissembled from the first pillar top surface and the second pillar top surface. The first alignment module, the second alignment module and third alignment module work with the distribution module to perform the active alignment on a first-type product, a second-type product and a third-type product, respectively.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: April 16, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Ching-Hui Chang, Yi-Hou Chen
  • Patent number: 11941216
    Abstract: A touch pad includes a circuit board, plural LED light-emitting elements, a light guide plate and a light-transmissible touch structure. A touch sensing layer is formed on a top surface of the circuit board. The touch sensing layer includes plural touch sensing units. The plural LED light-emitting elements are arranged between the plural touch sensing units. The light guide plate is located over the touch sensing layer and arranged beside the plural LED light-emitting elements. The light-transmissible touch structure includes plural light-transmissible patterns. The light-transmissible touch structure is located over the plural LED light-emitting elements and the light guide plate. A touch control operation is performed on the light-transmissible touch structure by the user. The two terminals of each LED light-emitting element are respectively installed on blank regions of two corresponding sensing circuit regions.
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: March 26, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Chien-Hui Wu
  • Patent number: 11927788
    Abstract: A light guide module is provided, which includes a circuit board, one or more light-emitting elements, a light guide plate, a first reflective layer and a second reflective layer. The one or more light-emitting elements are disposed on the circuit board. The light guide plate is located on the circuit board, in which the light guide plate has a thick portion and a thin portion connected to the thick portion, and the thin portion is located over the one or more light-emitting elements, and a side surface of the thick portion adjacent to the thin portion is laterally adjacent to the one or more light-emitting elements. The first reflective layer covers a side surface of the thick portion away from the thin portion. The second reflective layer covers an upper surface of the thick portion and an upper surface of the thin portion.
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: March 12, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chia-Ming Li, Hui-Ling Lin
  • Patent number: 11915889
    Abstract: A control device is provided. A key structure of the control device includes a keycap, an optical film layer and a membrane switch. A protrusion structure is formed on the optical film layer or the membrane switch. When the keycap is pressed down by the user, the arrangement of the protrusion structure can facilitate the user to trigger the underlying membrane switch more precisely.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: February 27, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Yung-Tai Pan, Chun-Nan Su, Chien-Pang Chien, Ting-Sheng Wang
  • Patent number: 11907428
    Abstract: A touch device includes a touch panel, a circuit board, a vibrating unit and a pressure detection module. The touch panel includes two press regions. When different press regions of the touch panel are pressed by the user, the vibration feedback values generated by different press regions are different.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: February 20, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chieh-Hung Hsieh, Wei-Chiang Huang, Chao-Wei Lee, Hsueh-Chao Chang, Sian-Yi Chiu
  • Patent number: 11899857
    Abstract: A touchpad module includes a base plate, a touch member, a supporting structure and a pressure sensing unit. The touch member is movable toward the base plate. The supporting structure is arranged between the base plate and the touch member. The pressure sensing unit is installed on the touch member. The pressure sensing unit is arranged between the touch member and the base plate. While the touch member is pressed in response to an external pressing force, the touch member is moved downwardly toward the base plate to compress the supporting structure. Consequently, the supporting structure is subjected to deformation, and the touch member has a displacement amount. According to the displacement amount, a magnitude of the pressing force is sensed by the pressure sensing unit, and a pressure sensing signal is outputted from the pressure sensing unit.
    Type: Grant
    Filed: March 8, 2023
    Date of Patent: February 13, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Chiang Huang, Hung-Wei Kuo, Chao-Wei Lee, Chen-Yu Wu
  • Patent number: 11900743
    Abstract: A security authentication method is provided. In a step (a), a to-be-recognized image information and a to-be-recognized voice information about a user are provided. Then, a step (b) is performed to identify and judge whether the to-be-recognized image information and the to-be-recognized voice information comply with a registered image information and a registered voice information, respectively. In a step (c), if the judging condition of the step (b) is satisfied, a security information prompt signal is generated. In a step (d), a to-be-recognized security information is provided by the user. Then, a step (e) is performed to identify and judge whether the to-be-recognized security information complies with an abnormal warning information. In a step (f), if the judging condition of the step (e) is satisfied, an abnormal state warning and processing process is performed.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: February 13, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Hsiu-Wen Wang, Chih-Wen Lin
  • Patent number: 11887792
    Abstract: A key structure includes a base plate, a keycap, a membrane circuit board and an elastic plate. The keycap is located over the base plate. The keycap includes a top wall and a skirt part. The membrane circuit board is arranged between the keycap and the base plate. The membrane circuit board includes a pressure sensing structure. The elastic plate is arranged between the keycap and the membrane circuit board. The elastic plate includes a triggering part. The triggering part is extended toward the membrane circuit board and aligned with the pressure sensing structure. While the keycap is moved downwardly toward the elastic plate, the skirt part of the keycap is correspondingly moved to press the elastic plate. Consequently, the triggering part is moved downwardly to press the pressure sensing structure.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: January 30, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Che-An Li, Lei-Lung Tsai
  • Patent number: 11870158
    Abstract: An ultra-wideband antenna for a wireless headphone is provided, which includes a first portion and a second portion. One side of the first portion has at least two slots. The second portion is laterally adjacent to and separated from the first portion. The second portion includes a main body portion and an extension portion, and one side of the main body portion is close to the at least two slots, and another side of the main body portion is connected to the extension portion, in which an included angle between the main body portion and the extension portion is in a range of between 85 degrees and 135 degrees. A wireless headphone including the above-mentioned ultra-wideband antenna is also provided.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: January 9, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Yung-Tai Pan, Chun-Kai Wang, Yih-Shiuan Shin, Chi-Chan Lee, Yen-Tsung Fu
  • Patent number: 11870336
    Abstract: An input system includes a first input device and a second input device. Each of the first input device and the second input device includes a main body, a first connecting port, at least two second connecting ports, a power switching circuit and a control unit. When the first connecting port of the first input device is connected with an external power source, the power switching circuit of the first input device receives a first voltage from the external power source. When one of the second connecting ports of the first input device is connected with one of the second connecting ports of the second input device, the first voltage is converted into a second voltage by the power switching circuit of the first input device and the second voltage is transmitted to the second input device.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: January 9, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chuan-Tai Hsiao, Chun-Han Huang, Tse-Ping Kuan, Hung-Wei Kuo
  • Patent number: 11861079
    Abstract: A luminous touch pad module includes a touch member, a touch sensing circuit board, a first light guide plate, a second light guide plate, a first light-emitting element, a first light-guiding element and a second light-emitting element. The touch member, the second light guide plate, the first light guide plate and the touch sensing circuit board are sequentially arranged from top to bottom. The first light-emitting element is aligned with the first light guide plate. The second light-emitting element is located under the touch sensing circuit board. The second light-emitting element is aligned with the first light-guiding element. A light beam emitted by the first light-emitting element is transmitted to the touch member through the first light guide plate. A light beam emitted by the second light-emitting element is transmitted to the touch member through the first light-guiding element and the second light guide plate sequentially.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: January 2, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Ming-Hui Yeh
  • Patent number: 11860397
    Abstract: A light guide module includes a light guide plate, a light-emitting element and a covering layer. The light guide plate includes plural first light-guiding dots and plural second light-guiding dots. The light-emitting element is installed on a lateral edge part of the light guide plate. The covering layer includes a non-shading region, a separation region and a shading region. The plural first light-guiding dots of the light guide plate are aligned with the non-shading region of the covering layer. The plural second light-guiding dots of the light guide plate are aligned with the shading region of the covering layer. The plural second light-guiding dots are covered by the shading region of the covering layer.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: January 2, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Jia-Hung Lin
  • Patent number: 11862411
    Abstract: A membrane circuit board includes a first membrane substrate, a spacer substrate, a second membrane substrate and a third membrane substrate. The first membrane substrate includes a first gas channel and a first conductive contact. The spacer substrate includes a first gas hole and a second gas hole. The second membrane substrate includes a second gas channel, a second conductive contact, a third gas hole and a fourth gas hole. The second gas channel is in communication with the third gas hole and the fourth gas hole. The second gas channel is in communication with the first gas channel through the first gas hole and the second gas hole. The third membrane substrate includes a third gas channel. The third gas channel is in communication with the second gas channel through the third gas hole and the fourth gas hole.
    Type: Grant
    Filed: July 15, 2022
    Date of Patent: January 2, 2024
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chuang-Shu Jhuang, De-Guang Zhu, Rong-Biao Xu
  • Patent number: 11825055
    Abstract: An optical module positioning method for an image processing device is provided. The image processing device includes a scanning platform and an optical module. The scanning platform includes a first region, a second region, a third region and a fourth region. The fourth region is arranged between the first region and the second region. The first region is arranged between the third region and the fourth region. The optical module positioning method includes the following steps. Firstly, the optical module is driven to perform a scanning operation to acquire a scanned image while the optical module is not moved. Then, by judging the color values of two ends of the scanned image, the region where the optical module is stayed can be recognized according to the associated color values.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: November 21, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Kun-Lin Wu
  • Patent number: 11809063
    Abstract: An audio and video streaming device includes a device main body and a lens cover. The device main body includes a power source, a lens element, an audio and video output unit and a sensing and controlling module. When the power source is in an on state and a relationship between the lens cover and the lens element is in an opened state, the sensing and controlling module issues an audio and video streaming signal to the audio and video output unit. When the power source is in the on state and the relationship between the lens cover and the lens element is in a closed state, the sensing and controlling module stops issuing the audio and video streaming signal, and the power source is maintained in the on state.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: November 7, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Yung-Tai Pan, Yu-Cheng Ma
  • Patent number: 11810736
    Abstract: A light adjusting structure is disposed between a light source in a device and a light exiting surface of the device. The light adjusting structure includes at least one visible light absorbing pattern defining a plurality of light-transmitting regions, and a ratio of a thickness of the at least one visible light absorbing pattern to a width of one of the light-transmitting regions is greater than or equal to 0.5, and a vertical projection of the at least one visible light absorbing pattern presents a checkerboard pattern or a mesh pattern.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: November 7, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Yu-Zeng Yang
  • Patent number: 11810733
    Abstract: A key structure includes a supporting frame, a keycap, a stabilizer bar and two flexible hooks. The supporting frame includes at least one supporting hook. The keycap is located over the supporting frame. The keycap includes two connecting parts. The stabilizer bar includes a transverse bar part and two branch bar parts. The transverse bar part is locked in the at least one supporting hook of the supporting frame. The two flexible hooks are arranged between the keycap and the stabilizer bar. Each of the two flexible hooks includes a coupling terminal and a hook part. Each of the two connecting parts of the keycap is detachably connected with the coupling terminal of the corresponding flexible hook. Each of the two branch bar parts of the stabilizer bar is locked in the hook part of the corresponding flexible hook.
    Type: Grant
    Filed: October 25, 2022
    Date of Patent: November 7, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Sheng-An Tsai, Chun-Che Wu
  • Patent number: 11810735
    Abstract: A control device includes a display panel and plural key structures. Each key structure includes a keycap, an optical film layer, an elastic element, plural raised structures and a membrane switch. The optical film layer includes a light-transmissible region and a supporting region. The plural raised structures are formed on the supporting region and arranged around the light-transmissible region. The membrane switch includes an upper film layer and a lower film layer. Moreover, a light beam emitted by the display panel is transmitted upwardly through a second opening of the lower film layer, a first opening of the upper film layer, the light-transmissible region, a hollow part of the elastic element and the keycap. When the keycap is pressed down, the first circuit contact point of the upper film layer and the corresponding second circuit contact point of the lower film layer are contacted with each other.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: November 7, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Ching Kuo, Ting-Sheng Wang, Rong-Fu Lee
  • Patent number: 11797108
    Abstract: A mouse device includes a roller module. The roller module includes a base member, a scroll wheel, a magnetic conductor, a swingable arm, a driving motor and an actuating element. The scroll wheel is installed on the base member. The magnetic conductor is located beside the scroll wheel. When the scroll wheel is rotated, the magnetic conductor is correspondingly rotated. The swingable arm is installed on the base member. The swingable arm includes a magnetic element. The swingable arm is swingable relative to the magnetic conductor. When the swingable arm is swung to a first position, the magnetic element is aligned with the magnetic conductor. Consequently, a magnetic attraction force between the magnetic element and the magnetic conductor is generated. When the swingable arm is swung to a second position, the magnetic attraction force between the magnetic element and the magnetic conductor is eliminated.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: October 24, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chun-Nan Su, Chun-Che Wu, Shu-An Huang, Chun-Lin Chu, Ming-Hao Hsieh, Sheng-An Tsai, Li-Kuei Cheng