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公开(公告)号：US20160333561A1
公开(公告)日：2016-11-17
申请号：US14713418
申请日：2015-05-15
Applicant: Defond Components Limited
Inventor： Kai Chi Chan , Kwok Chiu Yu , Yu Chi Lok
IPC: E03D9/08
Abstract: A toilet apparatus includes a toilet bowl with a seat, a reservoir for containing water for flushing the toilet bowl, and a water jet device including a conduit with an inlet, an outlet, and a nozzle at the outlet and located in the toilet bowl for generating a water jet to clean a user. A thermoelectric heat pump having a cold side in thermal communication with water in the reservoir extracts heat from the water in the reservoir and a hot side in thermal communication with a conduit section of the conduit supplies heat extracted from water in the reservoir and increases the temperature of water flowing through the conduit.
Abstract translation: 厕所装置包括具有座位的马桶，用于容纳用于冲洗马桶的水的储存器;以及水喷射装置，其包括在出口处具有入口，出口和喷嘴的导管，并且位于马桶盆中， 产生喷水以清洁用户。 具有与储存器中的水热连通的冷侧的热电热泵从储存器中的水中提取热量，并且与导管的导管部分热连通的热侧提供从储存器中的水提取的热量并且增加温度 的水流过管道。
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公开(公告)号：US11919137B2
公开(公告)日：2024-03-05
申请号：US18119054
申请日：2023-03-08
Applicant: DEFOND ELECTECH CO., LTD , DEFOND COMPONENTS LIMITED
Inventor： Wai Man Wong , Chiu Keung Loong
Abstract: A control assembly for use in controlling a speed of operation of an electric device, the control assembly including: a control assembly housing; a magnetic sensor; a magnetic element; an actuator that is configured for movement relative to the control assembly housing wherein responsive to said movement of the actuator relative to the control assembly housing, the magnetic sensor and magnetic element move relative to each other between at least one of a first position and a second position such that the magnetic sensor senses a first magnetic field reading when in the first position and senses a second magnetic field reading when in the second position; and, a control module operably connected to the magnetic sensor and configured for controlling the electric device to operate in at least one of a first speed and a second speed by reference to an output of the magnetic sensor indicative of the sensed first magnetic field reading and the second magnetic field reading respectively.
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公开(公告)号：US11623335B2
公开(公告)日：2023-04-11
申请号：US16180922
申请日：2018-11-05
Applicant: DEFOND ELECTECH CO., LTD , DEFOND COMPONENTS LIMITED
Inventor： Wai Man Wong , Chiu Keung Loong
Abstract: A control assembly for use in controlling a speed of operation of an electric device, the control assembly including: a control assembly housing; a magnetic sensor; a magnetic element; an actuator that is configured for movement relative to the control assembly housing wherein responsive to said movement of the actuator relative to the control assembly housing, the magnetic sensor and magnetic element move relative to each other between at least one of a first position and a second position such that the magnetic sensor senses a first magnetic field reading when in the first position and senses a second magnetic field reading when in the second position; and, a control module operably connected to the magnetic sensor and configured for controlling the electric device to operate in at least one of a first speed and a second speed by reference to an output of the magnetic sensor indicative of the sensed first magnetic field reading and the second magnetic field reading respectively.
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公开(公告)号：US11489523B2
公开(公告)日：2022-11-01
申请号：US16682561
申请日：2019-11-13
Applicant: DEFOND ELECTECH CO., LTD , DEFOND COMPONENTS LIMITED
Inventor： Cheng Chen Nieh , Kai Kei Poon , Yiu Cho Yuen
IPC: H03K17/96 , G06F3/02 , G06F3/044 , G06F3/0481
Abstract: A touch control human-machine interface for use in controlling operation of a machine, said interface including: an interface housing; a cover plate disposed on an outer-surface of the housing, said cover plate having a first electrically-conductive portion configured for touch interaction by a user's finger; a circuit assembly disposed within the housing, said circuit assembly including a circuit board having a second electrically-conductive portion and a light illumination module operably-connected thereto; a spacer element disposed between and separating the first conductive portion from the second conductive portion such that the first conductive portion, the second conductive portion and the spacer element are configured to form a capacitor device that is operably-connected with the circuit assembly; said first electrically-conductive portion being configured for deformation by the user's finger so as to cause a change in capacitance across the capacitor device, and whereby responsive to said change in capacitance, the circuit assembly is configured for generating a control signal for controlling operation of the machine, and, for controlling the light illumination module to propagate a light emission from the circuit assembly through the housing and cover plate so as to be visible externally of the housing.
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公开(公告)号：USD965536S1
公开(公告)日：2022-10-04
申请号：US29717954
申请日：2019-12-19
Applicant: Defond Electech Co., Ltd. , Defond Components Limited
Designer： Lei Zhang , Guo Zhu Zeng , Jian Hua Gong , Ding Wei Que , Yun Zhang
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Patent Agency Ranking
公开(公告)号：US20210142966A1
公开(公告)日：2021-05-13
申请号：US17095462
申请日：2020-11-11
Applicant: DEFOND ELECTECH CO., LTD , DEFOND COMPONENTS LIMITED
Inventor： Wai Man Wong
Abstract: A trigger switch assembly for use with an electrical device, including: a switch housing; a switch circuit disposed within the switch housing; an actuator rod configured for operable-interaction with a contact lever of the switch circuit; a trigger member having an actuator rod engagement recess configured for receiving a first end of the actuator rod therein, and, a finger-engagement portion configured for engagement by a user's finger so as to urge the actuator rod along the movement axis from the OFF position in to its ON position; and a lock-off mechanism.
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公开(公告)号：US10978257B2
公开(公告)日：2021-04-13
申请号：US16923562
申请日：2020-07-08
Applicant: Defond Electech Co., Ltd , Defond Components Limited
Inventor： Cheng Chen Nieh , Kin Yu Wong , Lap Yi Law
Abstract: A trigger assembly for an electrical device that includes a main body having a housing within which an electrical switch unit is disposed. The trigger assembly may include a trigger member having an engagement portion that is hingedly connected to the main body so that the trigger member is rotatable about a hinge relative to the main body. The trigger assembly may include an actuator member operably-connected to the trigger member that is movable between an OFF position and an ON position. The trigger assembly may include a lock-off mechanism including a lock-off member that is selectively operable to restrict movement of the trigger member towards the main body and to thereby restrict movement of the actuator member from the OFF position into the ON position, and, to not restrict movement of the trigger member toward the main body.
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公开(公告)号：US10965133B2
公开(公告)日：2021-03-30
申请号：US15807429
申请日：2017-11-08
Inventor： Tak Chuen Or , Cheng Chen Nieh , Kin Yu Wong
Abstract: A battery pack system for use in connecting a battery pack to a battery pack receiving member of a machine so that the battery pack is operable to supply a suitable amount of power to the machine for operation of the machine via an electrical circuit path that is configurable for electrically connecting the battery pack to the machine, the system including: a first electrical connector member disposed along a first region of the electrical circuit path; and a second electrical connector member; wherein, responsive to the battery pack being connected to the battery pack receiving member of the machine, the second electrical connector member is configured for movement relative to the first electrical connector member to cooperatively form a first configuration which electrically closes the electrical circuit path via which the suitable amount of power is able to be supplied from the battery pack to the machine; and wherein, responsive to the battery pack being disconnected from the battery pack receiving member of the machine, the second electrical connector member is configured for movement relative to the first electrical connector member to cooperatively form a second configuration which electrically opens the electrical circuit path via which the suitable amount of power is not able to be supplied from the battery pack to the machine.
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39.发明授权公开(公告)号：US10964499B2
公开(公告)日：2021-03-30
申请号：US16207397
申请日：2018-12-03
Applicant: Defond Electech Co., Ltd. , Defond Components Limited
Inventor： Chiu Keung Loong
Abstract: A detection circuit module for use with a household appliance door to detect when the door is closed and/or locked, the detection circuit module having a first and a second contact configured for electrical connection with the household appliance door so as to be operable with the household appliance door, the detection circuit module including: a door closing switch arranged electrically in series between the first connecting contact and an actuator; a door locking switch arranged electrically in series between the actuator member and the second connecting contact; and a diode arranged in series with the actuator and the second connecting contact and the diode being arranged electrically in parallel with the door locking switch.
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公开(公告)号：US20200343059A1
公开(公告)日：2020-10-29
申请号：US16536142
申请日：2019-08-08
Applicant: Defond Electech Co., Ltd , Defond Components Limited
Inventor： Lap Yi Law
Abstract: A covering for a trigger assembly of an electrical device, said covering being configured for at least partially covering a torsion spring of the trigger assembly so as to alleviate ingress of dust, water and other particulates in to contact with the torsion spring.
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