Patents Assigned to Primax Electronics
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Patent number: 12374920Abstract: A wireless charging device includes a device body, a covering member, a fan module and airflow adjustment element. The device body includes a top wall, a bottom wall and a first airflow outlet. The first airflow outlet is formed in the top wall. An airflow channel and a second airflow outlet are defined between the covering member and the device body. The second airflow outlet is located under the bottom wall. The fan module is installed within the covering member. The fan module has an air outlet, and the air outlet faces the airflow channel. The airflow adjustment element is installed on the bottom wall. An airflow from the fan module is split into a first-portion airflow and a second-portion airflow by the airflow adjustment element. The first-portion airflow flows out of the first airflow outlet. The second-portion airflow flows out of the second airflow outlet.Type: GrantFiled: October 4, 2022Date of Patent: July 29, 2025Assignee: Primax Electronics Ltd.Inventor: Bo-An Chen
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Patent number: 12362110Abstract: The present invention provides a keycap, which includes a lower plate and an upper cover. The lower plate has at least two engaging holes recessed inwardly from an upper surface of the lower plate and separated from each other. The upper cover is configured to be detachably assembled on the lower plate, in which the upper cover has at least two buckle members disposed on an inner top surface of the upper cover and respectively corresponding to the at least two engaging holes, and each of the buckle members has two buckle portions separated from each other, and each of the buckle portions has a protrusion protruding laterally outward, and each of the protrusions is configured to engage with a portion of the corresponding engaging hole.Type: GrantFiled: March 20, 2023Date of Patent: July 15, 2025Assignee: Primax Electronics Ltd.Inventors: Sheng-Fan Chang, Che-An Li, Chang-Huan Shen, Chuang-Shu Jhuang
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Patent number: 12326377Abstract: 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.Type: GrantFiled: May 18, 2023Date of Patent: June 10, 2025Assignee: Primax Electronics Ltd.Inventors: Chieh-Hung Hsieh, Hsueh-Chao Chang, Sian-Yi Chiu, Chao-Wei Lee, Wei-Chiang Huang
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Patent number: 12321537Abstract: A mouse device includes a casing and a roller module. The roller module is disposed within the casing. The roller module includes a scroll wheel, a supporting seat, a magnetic ratchet and a permanent magnet. The supporting seat includes a first support part and a second support part. The magnetic ratchet is arranged between the scroll wheel and the first support part of the supporting seat. As the scroll wheel is rotated, the magnetic ratchet is correspondingly rotated. The magnetic ratchet includes plural tooth structures. The permanent magnet is installed on the first support part of the supporting seat. The permanent magnet is aligned with one of the plural tooth structures of the magnetic ratchet. While the magnetic ratchet is rotated with the scroll wheel, a magnetic attractive force between the plural tooth structures and the at least one permanent magnet is generated.Type: GrantFiled: February 22, 2024Date of Patent: June 3, 2025Assignee: Primax Electronics Ltd.Inventors: Chun-Nan Su, Chun-Che Wu, Sheng-An Tsai, Shu-An Huang, Li-Kuei Cheng
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Patent number: 12288652Abstract: An icon display module includes a light blocking structure, a first light-emitting element, a second light-emitting element, a first light-guiding pattern structure and a second light-guiding pattern structure. The light blocking structure includes an accommodation space and a first light-blocking part. The accommodation space is divided into a first region and a second region by the first light-blocking part. When the first light-emitting element emits a first light beam, the first light beam is guided by the first light-guiding pattern structure and the second light-guiding pattern structure and projected on the target. Consequently, a first icon and a second icon are shown on the target. When the second light-emitting element emits a second light beam, the second light beam is guided by the first light-guiding pattern structure and projected to the target. Consequently, the first icon is shown on the target.Type: GrantFiled: November 22, 2023Date of Patent: April 29, 2025Assignee: Primax Electronics Ltd.Inventors: Jia-Hung Lin, Hui-Ling Lin
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Patent number: 12266484Abstract: A force-sensitive key module and a force-sensitive switch structure are provided. The force-sensitive switch structure includes a first protective layer, a second protective layer, a first conductive layer, a second conductive layer and a force-sensitive layer. The first protective layer receives a pressing force. The second conductive layer is aligned with the first conductive layer. The force-sensitive layer is installed on the first conductive layer or the second conductive layer. When the first protective layer receives the pressing force, an electric connection between the first conductive layer and the second conductive layer is established, and the force-sensitive layer generates an analog sensing signal in response to the pressing force. When a magnitude of the pressing force is changed, the analog sensing signal is correspondingly changed according to an impedance change of the force-sensitive layer.Type: GrantFiled: February 22, 2023Date of Patent: April 1, 2025Assignee: Primax Electronics Ltd.Inventors: Che-An Li, Yi-Liang Chen, Lei-Lung Tsai
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Patent number: 12254138Abstract: A method for calibrating a functional icon display position of a control device is provided. The control device includes a transparent key and a display panel. The method includes the following steps. Firstly, an image capturing device is used to photograph a functional icon, and thus a real spatial relationship of the functional icon in a visible region of the transparent key is obtained. Then, a position offset amount is obtained according to a result of comparing the real spatial relationship with a reference spatial relationship. If the position offset amount is larger than the enable calibration threshold value, a calibrated icon display start coordinate position is obtained according to the position offset amount. The present invention also provides a control device using the calibrating method.Type: GrantFiled: April 20, 2023Date of Patent: March 18, 2025Assignee: Primax Electronics Ltd.Inventors: Wei-Ching Kuo, Xu Yang, I-Min Shu, Rong-Fu Lee
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Patent number: 12247597Abstract: An input device assembly with a support pad is provided. The input device assembly includes the support pad and an input device. The support pad includes a first main body and a first magnetic attraction element. The first main body has a first bottom surface and a first curvy surface. The input device includes a second main body and at least one second magnetic attraction element. The second main body has a second bottom surface and a second curvy surface. The first curvy surface of the support pad is contactable with one of plural portions of the second curvy surface of the input device. The first magnetic attraction element and one of the at least one second magnetic attraction element are magnetically attracted by each other. Consequently, the support pad is in close contact with the input device.Type: GrantFiled: May 27, 2022Date of Patent: March 11, 2025Assignee: Primax Electronics Ltd.Inventors: Yung-Tai Pan, Chun-Che Wu, Wen-Chih Chu
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Patent number: 12247423Abstract: An electronic lock components includes a bracket configured to be mounted on a door panel and an electronic lock body configured to be assembled on or disassembled from the bracket. The bracket includes an elastic piece, and a portion of the elastic piece is inclined downward. The electronic lock body includes: a back cover body, having a through hole therethrough, in which when the back cover body is leaned against the bracket and then moved downward, one end of the portion of the elastic piece is able to be stuck in the through hole; and a main cover body, including a pushing piece having a convex portion facing the through hole, in which when the pushing piece is pushed toward the through hole, the convex portion is able to push the end of the portion of the elastic piece away from the through hole.Type: GrantFiled: February 9, 2023Date of Patent: March 11, 2025Assignee: Primax Electronics Ltd.Inventors: Li-Chun Wang, Meng-Chieh Liu
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Patent number: 12211657Abstract: The present invention provides a keycap, which includes a lower plate and an upper cover. The lower plate has two openings respectively through two opposite sides of the lower plate to respectively define two elastic arms. The upper cover is configured to be detachably assembled on the lower plate, in which the upper cover has two abutting portions and a protrusion, and the two abutting portions are respectively disposed on two opposite inner sides of the upper cover and respectively correspond to the two elastic arms, and each of the two abutting portions is configured to abut against a portion of the corresponding elastic arm, and the protrusion is disposed on an inner top surface of the upper cover and corresponds to one of the two openings.Type: GrantFiled: February 17, 2023Date of Patent: January 28, 2025Assignee: Primax Electronics Ltd.Inventors: Lei-Lung Tsai, Sheng-Fan Chang, Che-An Li, Chang-Huan Shen
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Patent number: 12204692Abstract: A touch module includes a base plate, a first magnet, a second magnet, a touch pad, a first magnetic board and a second magnetic board. The first magnet and the second magnet are installed on the base plate and separated from each other. The touch pad is located over the base plate to cover the first magnet and the second magnet. The first magnetic board and the second magnetic board are separated from each other, located under the touch pad and coupled with the touch pad. The first magnetic board is aligned with the first magnet. The second magnetic board is aligned with the second magnet. The driving circuit is electrically coupled with the first magnetic board and the second magnetic board. The first magnetic board induces a magnetic field of the first magnet. The second magnetic board induces a magnetic field of the second magnet.Type: GrantFiled: September 25, 2023Date of Patent: January 21, 2025Assignee: Primax Electronics Ltd.Inventors: Tse-Ping Kuan, Wei-Chiang Huang, Hung-Wei Kuo, Ying-Yen Huang, Sian-Yi Chiu
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Patent number: 12180748Abstract: A transmission mechanism for an electronic door lock is provided. The transmission mechanism includes a gear box, a motor module, a transmission gear set, a transmission rod, a clutch transmission module and a motion detection circuit board. A returning detection module is installed on the motion detection circuit board. The returning detection module is used to detect the actuation state of the clutch transmission module.Type: GrantFiled: February 13, 2023Date of Patent: December 31, 2024Assignee: Primax Electronics Ltd.Inventors: Li-Chun Wang, Meng-Chieh Liu
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Patent number: 12180758Abstract: The electronic lock components include a bracket and an electronic lock body. The bracket includes an extension disposed on a side edge of the bracket and perpendicular to the bracket. The electronic lock body includes: a back cover body, including a buckle disposed on a surface of the back cover body facing away from the bracket and adjacent to a side edge of the back cover body, and the buckle including a cantilever portion, and the cantilever portion including a stop portion and a hook coupled to and located beneath the stop portion; and a main cover body, including a pushing portion disposed on an inner surface of a sidewall of the main cover body and facing the stop portion.Type: GrantFiled: February 8, 2023Date of Patent: December 31, 2024Assignee: Primax Electronics Ltd.Inventors: Li-Chun Wang, Meng-Chieh Liu
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Patent number: 12153760Abstract: 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.Type: GrantFiled: October 18, 2023Date of Patent: November 26, 2024Assignee: Primax Electronics Ltd.Inventors: Chieh-Hung Hsieh, Chao-Wei Lee, Hsueh-Chao Chang, Wei-Chiang Huang
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Patent number: 12146604Abstract: An electronic assembly includes an electronic device and an external device. The electronic device includes a main body and a fixing base. The main body includes a first opening. The fixing base includes an upper cover, a cam, a first spring, a button, a second spring, a pedestal, a first retractable hook and a second retractable hook. The first retractable hook includes a first inclined protrusion structure. The second retractable hook includes a second inclined protrusion structure. The external device includes a bracket. The bracket includes a first insertion piece and a second insertion piece. The first insertion piece includes a seventh opening. The second insertion piece includes an eighth opening. The first insertion piece and the second insertion piece are penetrated through the first opening. The first inclined protrusion structure is inserted into the seventh opening. The second inclined protrusion structure is inserted into the eighth opening.Type: GrantFiled: December 21, 2022Date of Patent: November 19, 2024Assignee: Primax Electronics Ltd.Inventors: Wei-Ching Kuo, Rong-Fu Lee
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Patent number: 12131876Abstract: A membrane switch includes a first conductive pattern, a second conductive pattern and a processor. The first circuit layer is aligned with the second conductive pattern. The first conductive pattern and the second conductive pattern have different shapes. When the second conductive pattern is contacted with and covered by the first conductive pattern, a conductive contact surface is formed. The conductive contact surface has a resistance value corresponding to an area of the conductive contact surface. A processor judges whether a key signal is generated according to the resistance value.Type: GrantFiled: February 3, 2023Date of Patent: October 29, 2024Assignee: Primax Electronics Ltd.Inventor: Lei-Lung Tsai
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Patent number: 11557445Abstract: A keyboard device includes a bottom cover, a supporting plate, a flexible circuit board and plural key structures. The supporting plate is installed on the bottom cover. The supporting plate has a curved arc-shaped profile that is bent upwardly in a direction away from the bottom cover. The supporting plate includes plural perforations. The flexible circuit board is arranged between the bottom cover and the supporting plate. The plural key structures are installed on the supporting plate. The plural key structures are penetrated through the corresponding perforations and contacted with the flexible circuit board.Type: GrantFiled: December 29, 2020Date of Patent: January 17, 2023Assignee: Primax Electronics Ltd.Inventors: Liu-Bing Cai, Rui-Qing Xiao, Xiao-Ping Wang, Jin-Chun Zhang
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Patent number: 10591699Abstract: The present invention provides an image focusing method that is applied to an image capture device having an optical image stabilization (OIS) function, including: driving the at least one optical lens to tilt by an angle in response to a first selected target and a second selected target, and enabling a first light beam group from the first selected target and a second light beam group from the second selected target to be focused on a same imaging surface after passing through the at least one optical lens. In addition, the present invention further provides an image capture device and an electronic device that apply the foregoing method.Type: GrantFiled: December 6, 2017Date of Patent: March 17, 2020Assignee: Primax Electronics Ltd.Inventors: Ying-Shou Chen, Shu-Ying Chen
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Patent number: 10242818Abstract: A key structure includes a switch circuit board, a triggering assembly, a keycap and an elastic element. The triggering assembly is disposed over the switch circuit board. The elastic element is arranged between the keycap and the triggering assembly. As the keycap is moved, the triggering assembly is pushed by the elastic element. The elastic element includes a concave part. The concave part is located at a top end of the elastic element and contacted with the keycap. When the elastic element is pushed by the keycap, the concave part is subjected to deformation, so that a movable distance of the keycap toward the switch circuit board is increased. By using the key structure, the tactile feel of depressing the keycap is enhanced.Type: GrantFiled: September 15, 2017Date of Patent: March 26, 2019Assignee: Primax Electronics Ltd.Inventors: Bo-An Chen, Chin-Sung Pan
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Patent number: 10209784Abstract: A combination type mouse includes a supporting plate, a lower cover plate, a main circuit board, plural main connectors, an input module and a control module. The main circuit board is installed on an installation surface of the supporting plate. The plural main connectors are installed on the main circuit board and electrically connected with the main circuit board. The input module includes a first connector and a connecting recess. The first connector is electrically connected with a first main connector of the plural main connectors. The control module includes a second connector and a connecting part. The second connector is electrically connected with a second main connector of the plural main connectors. The connecting part is engaged with the connecting recess. Consequently, the components of the combination type mouse to be assembled can be determined according to the user's requirement.Type: GrantFiled: April 10, 2017Date of Patent: February 19, 2019Assignee: Primax Electronics Ltd.Inventors: Ying-Che Tseng, Cheng-Yi Tsai