Patents Assigned to Primax Electronics Ltd.
  • Patent number: 11675399
    Abstract: A fixing device is provided for fixing an expansion card in an electronic device. The fixing device includes a supporting base, a fastening element and an actuating element. The supporting base includes a sliding rail. The sliding rail is located under the expansion card. The sliding rail includes plural first positioning structures. The fastening element includes a sliding part and a locking part. The sliding part is movably installed on the sliding rail. The locking part is protruded from the sliding part. The expansion card is arranged between the locking part and an expansion port of the electronic device. The actuating element includes a pressing part and an elastic part. The pressing part is connected with the sliding part through the elastic part. The pressing part includes a second positioning structure. The second positioning structure is detachably engaged with one of the plural first positioning structures.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: June 13, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Rong-Fu Lee
  • Patent number: 11677434
    Abstract: A data transmission method for use between a wireless transmitter and a wireless receiver of a wireless peripheral device is provided. In a frequency hopping procedure, the wireless transmission data is re-transmitted through a secondary transmission channel. Consequently, a transmission delay problem is reduced. Moreover, the wireless receiver issues a special acknowledgement packet with loadable information to the wireless transmitter. Consequently, the master control power of the frequency hopping procedure is switched from the wireless transmitter to the wireless receiver. In addition, the information control capability of the wireless receiver to control the wireless transmitter in the communication application level can be increased.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: June 13, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Chien-Nan Lin
  • Patent number: 11651912
    Abstract: A control device includes a display panel and a key structure. The key structure is located over the display panel. The key structure includes a circuit board, a keycap, an elastic element and a conducting element. The circuit board includes a circuit structure. The circuit structure includes a first circuit pattern and a second circuit pattern. The first circuit pattern and the second circuit pattern are separated from each other by a gap. The conducting element is disposed on a support part of the elastic element. When the keycap is pressed down, the keycap is moved downwardly to push the support part. After the support part is moved downwardly for a specified travel distance, the conducting element is contacted with the first circuit pattern and the second circuit pattern. Consequently, the first circuit pattern and the second circuit pattern are electrically connected with each other.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: May 16, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Yung-Tai Pan, Jui-Jen Cheng
  • Patent number: 11646167
    Abstract: A keyboard device includes plural key structures. Each key structure includes a base plate, a keycap, a membrane circuit board, a connecting member and an elastic element. The keycap includes a pressing post. The membrane circuit board is arranged between the base plate and the keycap. The connecting member is penetrated through the membrane circuit board and connected between the keycap and the base plate. The keycap is movable upwardly or downwardly relative to the membrane circuit board. The elastic element is arranged between the keycap and the membrane circuit board. The elastic element includes a resilience piece and plural supporting ribs. The plural supporting ribs are arranged between the resilience piece and the keycap. The plural supporting ribs are contacted with the pressing post of the keycap. Consequently, there is a gap between the pressing post and the resilience piece.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: May 9, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chuang-Shu Jhuang, Dan Li, Sheng-Huang Huang
  • Patent number: 11640215
    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.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: May 2, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Chiang Huang, Chao-Wei Lee, Hsueh-Chao Chang, Sian-Yi Chiu
  • Patent number: 11624867
    Abstract: The present disclosure provides a keycap, including: a light-guiding microstructure layer made of a first material, the light-guiding microstructure layer including a base layer and a plurality of microstructures disposed on a lower surface of the base layer; and a light-transmitting layer disposed over the light-guiding microstructure layer and in contact with the base layer, the light-transmitting layer being made of a second material different from the first material. The present disclosure further provides a method of manufacturing the above-mentioned keycap and a key structure including the above-mentioned keycap.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: April 11, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Che-An Li, Lei-Lung Tsai
  • Patent number: 11625112
    Abstract: An input device includes a casing, a base member, a ball member, a control ring and a gravity wheel. The casing includes an upper cover and a lower cover. The upper cover has an opening. The ball member is installed on the base member. The ball member is partially exposed outside the opening. The control ring is arranged around the base member. The control ring is partially exposed outside the opening. The control ring is freely rotatable around the base member. The control ring includes a first inclined part, a rack structure, and a lateral wall. The lateral wall is connected with the first inclined part and the rack structure. The gravity wheel is engaged with the rack structure. Consequently, the rotation of the control ring is suppressed by the gravity wheel.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: April 11, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Yung-Tai Pan, Chun-Che Wu, Ting-Sheng Wang
  • Patent number: 11626259
    Abstract: A membrane circuit structure having a plurality of switch regions includes first, second and third membranes and a spacer layer. The second membrane is beneath the first membrane, and a lower surface of the second membrane is provided with a conductive pattern in at least one of the switch regions. The spacer layer is disposed between the first and second membranes. The third membrane is beneath the second membrane, and an upper surface of the third membrane is provided with first and second trigger portions separated from each other in the at least one of the switch regions, and the conductive pattern is able to be in contact with the first and second trigger portions, so that the first and second trigger portions are able to be electrically connected to each other through the conductive pattern.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: April 11, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Lei-Lung Tsai, Sheng-Fan Chang, Chin-Sung Pan
  • Patent number: 11619997
    Abstract: A touch module includes a base plate, a magnet, a touchpad and a magnetic board. The magnetic board includes a first wiring layer, a second wiring layer and a third wiring layer. The magnet is installed on the base plate. The touchpad is located over the base plate. The magnet is covered by the touchpad. The magnetic board is arranged between the touchpad and the magnet. The first wiring layer, the second wiring layer and the third wiring layer are in parallel with each other and stacked on each other. The second wiring layer is arranged between the first wiring layer and the third wiring layer. The first wiring layer is connected with the second sensing line through the third wiring layer. The first sensing line, the second sensing line and the third sensing line sense a magnetic field of the magnet and generates a vibrating effect.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: April 4, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Hung-Wei Kuo, Tse-Ping Kuan, Ying-Yen Huang, Wei-Chiang Huang
  • Patent number: 11614807
    Abstract: A mouse device includes a casing, a key module and a stopping assembly. The key module includes a switch and a keycap. When the keycap is in a pressable state and the keycap is pressed in response to an external force, the keycap is moved toward the switch to trigger the switch. The stopping assembly is disposed within the casing and aligned with the key module. The stopping assembly includes a movable block, a push block and a stopper. While the movable block is pushed and moved in response to a pushing force, the push block is correspondingly moved. While the push block is moved, the stopper is pushed by the push block, and the stopper is moved toward a region between the keycap and the switch. When the keycap is stopped by the stopper, the keycap is switched from the pressable state to a non-pressable state.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: March 28, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Shun-Biao Fan
  • Patent number: 11610745
    Abstract: A key structure includes a base plate, a switch element, a key pedestal and a keycap. The key pedestal includes an opening, a first hooking structure and a second hooking structure. The keycap includes an edge part, a triggering post, a third hooking structure and a fourth hooking structure. The third hooking structure and the fourth hooking structure are installed on the edge part. The switch element is installed on the base plate. The key pedestal is installed on the base plate. The triggering post is inserted into the opening to trigger the switch element. The third hooking structure of the keycap is movably connected with the first hooking structure of the key pedestal. The fourth hooking structure of the keycap is movably connected with the second hooking structure of the key pedestal. Consequently, the keycap is maintained in a horizontal state and not tilted.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: March 21, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Sheng-Fan Chang, Lei-Lung Tsai, Chin-Sung Pan
  • Patent number: 11604522
    Abstract: A dynamic data transmission format adjustment method is provided. Firstly, a peripheral device raw input data is acquired from a device main body of a wireless peripheral device. Then, the peripheral device raw input data is converted into a variable-bit-length peripheral device transmission data according to a dynamic data transmission format conversion rule. Then, a network transmission packet containing the variable-bit-length peripheral device transmission data is generated, and the network transmission packet is transmitted to a wireless receiver of the wireless peripheral device. Then, the variable-bit-length peripheral device transmission data in the network transmission packet is converted and restored into a fixed-bit-length peripheral device transmission data according to the dynamic data transmission format conversion rule. Then, the fixed-bit-length peripheral device transmission data is transmitted from the wireless receiver to a computer host.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: March 14, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chun-Nan Su, Chih-Feng Chien, Yun-Jung Lin, Chin-An Lin
  • Patent number: 11601003
    Abstract: A universal wireless charging receiver for an electronic device is provided. The universal wireless charging receiver includes a base casing, a first magnetic shielding element, a power supply module and an induction coil. The first magnetic shielding element, the power supply module and the induction coil are installed in the base casing. The power supply module is located over the first magnetic shielding element. A magnetic field is shielded by the first magnetic shielding element. Consequently, an eddy current is not generated by the power supply module through the magnetic field.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: March 7, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chia-Hsiang Tseng, Ling-Sheng Zeng, Chao Pang
  • Patent number: 11599209
    Abstract: A touchpad module includes a base plate, a touch member and an elastic structure between the touch member and the base plate. The elastic structure includes a supporting frame and a swingable resilience piece. There are a first fixing point and a second fixing point between the swingable resilience piece and the base plate. The swingable resilience piece includes a first resilience arm and a second resilience arm. The first resilience arm is connected between the first fixing point and a first inner side of the supporting frame. The second resilience arm is connected between the second fixing point and a second inner side of the supporting frame. When an external force is exerted on a first end of the touch member, the first resilience arm is correspondingly swung toward the base plate by using the first fixed point as a fulcrum.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: March 7, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Hsin-Chih Liu
  • Patent number: 11598751
    Abstract: A resonance detection system includes a vibration simulation mechanism and a vibration audio analysis device. The vibration simulation mechanism includes a mechanism body that accommodates a peripheral interface device, such as a notebook computer key input mechanical structure. The vibration simulation mechanism generates a vibration wave to the peripheral interface device generates a vibration audio signal in response to the vibration wave. The vibration simulation mechanism further includes a patch-type audio collector, such as a miniature auscultation radio patch, which is connected with the vibration audio analysis device. The patch-type audio collector is attached on the mechanism body containing the peripheral interface device. The vibration audio signal is collected by the patch-type audio collector.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: March 7, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chin-Sung Pan, Chien-Hung Liu, Chia-Wei Chang
  • Patent number: 11582395
    Abstract: A gimbal device for supporting an external photographing device includes a depth camera, a control unit and an actuator. The depth camera is configured to obtain spatial coordinates of a subject being photographed. The control unit is configured to determine a direction adjustment value of the gimbal device according to the spatial coordinates. The actuator is configured to receive the direction adjustment value and to adjust spatial orientation of the gimbal device according to the direction adjustment value, so that the external photographing device is able to track the subject being photographed. The control unit is further configured to obtain initial three-axis data of the gimbal device and three-axis data after the gimbal device is set to determine an angle difference between the initial three-axis data and the set three-axis data, and the actuator is further configured to receive the angle difference.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: February 14, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Hsiu-Wen Wang, Chih-Wen Lin
  • Patent number: 11579713
    Abstract: A mouse device includes a middle frame, a switch, a button plate, a slidable element and an elastic element. The middle frame includes an opening part and a first hook. The first hook is located beside the opening part. The switch is fixed at a position under the middle frame. The switch includes a triggering part. The button plate is located over the middle frame. The button plate includes a pressing rod. The pressing rod is penetrated downwardly through the opening part. The pressing rod includes a receiving groove and a first sleeve. The receiving groove is located over the first sleeve. The first sleeve includes a perforation. The slidable element includes a second sleeve and a second hook. The second sleeve is installed within the first sleeve. The second hook is engaged with the perforation. The elastic element is disposed within the second sleeve.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: February 14, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Ya-Jun Li, Qing-Lin Zeng
  • Patent number: 11574780
    Abstract: A key structure includes a keycap, a scissors-type connecting element, a first knocking part, a resilience element and a second knocking part. The scissors-type connecting element is coupled to a bottom surface of the keycap. The scissors-type connecting element includes an inner frame and an outer frame. The first knocking part is disposed within a space surrounded by the inner frame. The resilience element is located under the first knocking part. The second knocking part is coupled to the bottom surface of the keycap and faces the first knocking part. While the keycap is pressed down, the second knocking part knocks on the first knocking part, and the first knocking part is moved downwardly. When the keycap is not pressed down, the first knocking part is moved upwardly and returned to an original position in response to an elastic force of the resilience element.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: February 7, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventor: Lei-Lung Tsai
  • Patent number: 11567591
    Abstract: A roller module includes a supporting seat, a scroll wheel, a linkage rod, a torsion spring, a first magnet, a second magnet and a coil. The scroll wheel is installed on the supporting seat. The linkage rod includes a fulcrum segment, a resisting segment and an effort segment. The torsion spring is connected with the resisting segment. The first magnet is arranged between the second magnet and the effort segment. The coil is arranged around the second magnet. When the roller module is in a tactile mode, the first magnet and the second magnet are close to each other, and the torsion spring exerts a pulling force on the resisting segment. Consequently, the resisting segment is contacted with a toothed region of the scroll wheel. When the roller module is in a non-tactile mode, the resisting segment is moved away from the toothed region.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: January 31, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Chun-Nan Su, Chun-Che Wu
  • Patent number: 11567599
    Abstract: A touch panel and a manufacturing method of the touch panel are provided. The touch panel includes a touch circuit board, a cover plate and a glue layer. The glue layer is arranged between the touch circuit board and the cover plate to bond the touch circuit board and the cover plate. The glue layer contains an epoxy resin main agent and an epoxy resin hardener.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: January 31, 2023
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Wei-Ping Chan, Wei-Chiang Huang