Patents by Inventor Cheng-Min Su
Cheng-Min Su has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240088054Abstract: A carrier structure is provided with a plurality of package substrates connected via connecting sections, and a functional element and a groove are formed on the connecting section, such that the groove is located between the package substrate and the functional element. Therefore, when a cladding layer covering a chip is formed on the package substrate, the groove can accommodate a glue material overflowing from the cladding layer to prevent the glue material from contaminating the functional element.Type: ApplicationFiled: December 8, 2022Publication date: March 14, 2024Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.Inventors: Shu-Ting LAI, Chiu-Lien LI, Che-Min SU, Chun-Huan HUNG, Mu-Hung HSIEH, Cheng-Han YAO, Fajanilan Darcyjo Directo, Cheng-Liang HSU
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Publication number: 20230402796Abstract: A USB device includes a base, a circuit board disposed on the base and having front-end and rear-end portions and a ground circuitry, an upper cover, solder points, a switch and a button mount. The rear-end portion is used for inserting into a connection port of a computer terminal. The upper cover covers the front-end portion and has an opening. The solder points are formed on the front-end portion and coupled to the ground circuitry. The switch having a metal cover is soldered to the solder points for controlling wireless connection between the computer terminal and an external device. The button mount is movably disposed through the opening and sleeves the front-end portion for triggering the switch. An electrostatic discharge entering from the opening can pass through a first guide hole of the button mount and is conducted to the ground circuitry via the metal cover and the solder point.Type: ApplicationFiled: May 15, 2023Publication date: December 14, 2023Applicant: DARFON ELECTRONICS CORP.Inventors: Cheng-Min Su, Chien-Chang Chen
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Patent number: 11569046Abstract: A keyswitch includes a board, a cap opposite to the board, a first support device, a second support device, and a first link member. The first support device is disposed between the cap and the board. An end of the first support device is connected to the board. Another end of the first support device is connected to the cap. The second support device is disposed between the cap and the board and is separate from the first support device at a specific distance. An end of the second support device is connected to the board. Another end of the second support device is connected to the cap. The first link member has a first end portion and a second end portion. The first end portion is movably connected to the first support device. The second end portion is connected to the second support device.Type: GrantFiled: January 29, 2021Date of Patent: January 31, 2023Assignee: DARFON ELECTRONICS CORP.Inventors: Chin-Lung Chan, Cheng-Min Su, Hung-Chieh Lo
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Patent number: 11551890Abstract: A keyswitch includes a cap, first and second support members slidably connected to the cap and opposite to each other, and first and second blocks formed on the cap. The cap is movable between a non-pressed position and a pressed position. The first support member abuts against the first block when the cap is located at the non-pressed position. The first block moves away from the first support member at a first gap when the cap moves downward from the non-pressed position. The first support member abuts against the cap when the cap is located at the non-pressed position, and abuts against the second block when the cap continues moving downward to the pressed position.Type: GrantFiled: March 4, 2020Date of Patent: January 10, 2023Assignee: DARFON ELECTRONICS CORP.Inventors: Jin-Long Chan, Yu-Chih Chang, Cheng-Min Su
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Patent number: 11551889Abstract: A key switch is provided, which includes a base, a cap, a first linkage rod, a second linkage rod, an elastic contraction element, at least one activate member and a thin film circuit unit. The base includes a plurality of first connection portions and a plurality of second connection portions. The first linkage rod is movably connected to the first connection portions and the cap. The second linkage rod is movably connected to the second connection portions and the cap. One end of the elastic contraction element is connected to the first linkage rod, and the other end thereof is connected to the second linkage rod. The activate member is disposed on one of the first linkage rod, the second linkage rod and the cap. The thin film circuit unit includes an activate portion.Type: GrantFiled: January 16, 2020Date of Patent: January 10, 2023Assignee: DARFON ELECTRONICS CORP.Inventors: Yu-Chih Chang, Chin-Lung Chan, Cheng-Min Su
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Patent number: 11289284Abstract: A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. The support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an opening and an indentation portion. The opening is located at an upper end of the guiding slot. The protruding shaft enters the guiding slot from the opening to rotatably fit in the indentation portion, so that the support is pivotally connected to the base plate.Type: GrantFiled: March 12, 2021Date of Patent: March 29, 2022Assignee: DARFON ELECTRONICS CORP.Inventors: Cheng-Min Su, Chin-Lung Chan, Yu-Chih Chang
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Publication number: 20210249200Abstract: A keyswitch includes a board, a cap opposite to the board, a first support device, a second support device, and a first link member. The first support device is disposed between the cap and the board. An end of the first support device is connected to the board. Another end of the first support device is connected to the cap. The second support device is disposed between the cap and the board and is separate from the first support device at a specific distance. An end of the second support device is connected to the board. Another end of the second support device is connected to the cap. The first link member has a first end portion and a second end portion. The first end portion is movably connected to the first support device. The second end portion is connected to the second support device.Type: ApplicationFiled: January 29, 2021Publication date: August 12, 2021Inventors: Chin-Lung Chan, Cheng-Min Su, Hung-Chieh Lo
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Publication number: 20210202191Abstract: A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. The support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an opening and an indentation portion. The opening is located at an upper end of the guiding slot. The protruding shaft enters the guiding slot from the opening to rotatably fit in the indentation portion, so that the support is pivotally connected to the base plate.Type: ApplicationFiled: March 12, 2021Publication date: July 1, 2021Inventors: Cheng-Min Su, Chin-Lung Chan, Yu-Chih Chang
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Publication number: 20210175028Abstract: A keyswitch includes a cap, first and second support members slidably connected to the cap and opposite to each other, and first and second blocks formed on the cap. The cap is movable between a non-pressed position and a pressed position. The first support member abuts against the first block when the cap is located at the non-pressed position. The first block moves away from the first support member at a first gap when the cap moves downward from the non-pressed position. The first support member abuts against the cap when the cap is located at the non-pressed position, and abuts against the second block when the cap continues moving downward to the pressed position.Type: ApplicationFiled: March 4, 2020Publication date: June 10, 2021Inventors: Jin-Long Chan, Yu-Chih Chang, Cheng-Min Su
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Patent number: 10984968Abstract: A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. In an embodiment, the support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an indentation portion and can guide the protruding shaft to fit in the indentation portion. In another embodiment, the support includes a support body connected to the base plate, and an abutting arm extending from the support body. The base plate structurally constrains the support through a hook and a limitation post thereof. The abutting arm of one support extends under the other support, so that the two supports can move each other through the abutting arms.Type: GrantFiled: May 19, 2020Date of Patent: April 20, 2021Assignee: DARFON ELECTRONICS CORP.Inventors: Cheng-Min Su, Chin-Lung Chan, Yu-Chih Chang
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Patent number: 10971314Abstract: A key switch includes a base, a key cap, a first support member and a second support member. The key cap is disposed with respect to the base. The first support member and the second support member are disposed between the key cap and the base. The first support member has a first linkage structure. The second support member has a second linkage structure. The first linkage structure and the second linkage structure abut against each other, such that the first support member and the second support member rotate synchronously with respect to a horizontal axis. When one of the first support member and the second support member horizontally moves with respect to the other one of the first support member and the second support member within a predetermined range along the horizontal axis, the first linkage structure and the second linkage structure keep abutting against each other.Type: GrantFiled: May 21, 2020Date of Patent: April 6, 2021Assignee: DARFON ELECTRONICS CORP.Inventors: Chih-Hsiang Chiang, Cheng-Min Su, Chin-Lung Chan, Yu-Chih Chang
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Publication number: 20210012982Abstract: A key switch includes a base, a key cap, a first support member and a second support member. The key cap is disposed with respect to the base. The first support member and the second support member are disposed between the key cap and the base. The first support member has a first linkage structure. The second support member has a second linkage structure. The first linkage structure and the second linkage structure abut against each other, such that the first support member and the second support member rotate synchronously with respect to a horizontal axis. When one of the first support member and the second support member horizontally moves with respect to the other one of the first support member and the second support member within a predetermined range along the horizontal axis, the first linkage structure and the second linkage structure keep abutting against each other.Type: ApplicationFiled: May 21, 2020Publication date: January 14, 2021Inventors: Chih-Hsiang Chiang, Cheng-Min Su, Chin-Lung Chan, Yu-Chih Chang
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Publication number: 20200411257Abstract: A Key switch is provided, which includes a base, a cap, a first linkage rod, a second linkage rod, an elastic contraction element, at least one activate member and a thin film circuit unit. The base includes a plurality of first connection portions and a plurality of second connection portions. The first linkage rod is movably connected to the first connection portions and the cap. The second linkage rod is movably connected to the second connection portions and the cap. One end of the elastic contraction element is connected to the first linkage rod, and the other end thereof is connected to the second linkage rod. The activate member is disposed on one of the first linkage rod, the second linkage rod and the cap. The thin film circuit unit includes an activate portion.Type: ApplicationFiled: January 16, 2020Publication date: December 31, 2020Inventors: Yu-Chih Chang, Chin-Lung Chan, Cheng-Min Su
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Publication number: 20200373105Abstract: A keyswitch structure includes a base plate, a keycap, and two supports connected to the base plate and the keycap. The keycap is movable relative to the base plate through the two supports. In an embodiment, the support is pivotally connected to the base plate through a pivotal connection structure that includes a guiding slot and a protruding shaft oppositely disposed on the support and the base plate. The guiding slot has an indentation portion and can guide the protruding shaft to fit in the indentation portion. In another embodiment, the support includes a support body connected to the base plate, and an abutting arm extending from the support body. The base plate structurally constrains the support through a hook and a limitation post thereof. The abutting arm of one support extends under the other support, so that the two supports can move each other through the abutting arms.Type: ApplicationFiled: May 19, 2020Publication date: November 26, 2020Inventors: Cheng-Min Su, Chin-Lung Chan, Yu-Chih Chang
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Patent number: 6523799Abstract: An adjustable-height stand that attaches to a device and allows for rough and fine adjustment of the height of the device. The stand has a screw rod, an adjusting mechanism, and a supporting mechanism. The supporting mechanism attaches to the device. The adjusting mechanism is connected to the supporting mechanism and the screw rod and has two states. In the fine adjustment state, the height is adjusted by turning the screw rod. In the rough adjustment state, the contact between the screw rod and the adjusting mechanism can be broken so that the supporting mechanism can slide up and down the length of the screw rod without turning the screw rod.Type: GrantFiled: November 15, 2001Date of Patent: February 25, 2003Assignee: Primax Electronics Ltd.Inventor: Cheng-Min Su
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Publication number: 20020153465Abstract: An adjustable-height stand that attaches to a device and allows for rough and fine adjustment of the height of the device. The stand has a screw rod, an adjusting mechanism, and a supporting mechanism. The supporting mechanism attaches to the device. The adjusting mechanism is connected to the supporting mechanism and the screw rod and has two states. In the fine adjustment state, the height is adjusted by turning the screw rod. In the rough adjustment state, the contact between the screw rod and the adjusting mechanism can be broken so that the supporting mechanism can slide up and down the length of the screw rod without turning the screw rod.Type: ApplicationFiled: November 15, 2001Publication date: October 24, 2002Inventor: Cheng-Min Su
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Patent number: 6461002Abstract: A latching mechanism includes an aperture surface through which a threaded rod may pass. Half of the surface of the aperture is smooth and fixed in place relative to a housing. The other half is threaded and formed from an internal module that is slidable within the housing. The internal module is biased by a spring towards the fixed portion of the aperture surface. Flaring tabs on either side of the internal module support the internal module within the housing to ensure that a minimum of contact is established between the housing and the internal module so as to present a smooth latching/unlatching action.Type: GrantFiled: November 14, 2001Date of Patent: October 8, 2002Assignee: Primax Electronics Ltd.Inventor: Cheng-Min Su