Patents by Inventor Yat-To Chan
Yat-To Chan 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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Patent number: 9343715Abstract: A battery for use in an electronic device having a user-accessible battery compartment, including a connection module accommodatable in the battery compartment, and an extension module attached to and in electrical connection with the connection module. The extension module is larger than the battery compartment, such that, when the battery in installed, the connection module is disposed in the battery compartment, and the extension module covers the battery compartment and a portion of the electronic device other than the battery compartment.Type: GrantFiled: October 7, 2013Date of Patent: May 17, 2016Assignee: ZEROLEMON LLCInventors: Stephen Ching Yat Chan, Wei Chen
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Publication number: 20150099144Abstract: A battery for use in an electronic device having a user-accessible battery compartment, including a connection module accommodatable in the battery compartment, and an extension module attached to and in electrical connection with the connection module. The extension module is larger than the battery compartment, such that, when the battery in installed, the connection module is disposed in the battery compartment, and the extension module covers the battery compartment and a portion of the electronic device other than the battery compartment.Type: ApplicationFiled: October 7, 2013Publication date: April 9, 2015Applicant: ZeroLemon LLCInventors: Stephen Ching Yat CHAN, Wei Chen
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Patent number: 7499000Abstract: An antenna device includes an antenna member having a plate, a conductor member disposed on one side of the plate, and another conductor member disposed on the other side of the plate, the plate includes one or more orifices and one or more apertures, and a coupler includes one or more positive electrodes and one or more negative electrodes engaged through the orifices and the apertures of the antenna member and electrically coupled to the conductor members respectively. A housing includes a chamber for receiving the plate of the antenna member, and a cylindrical member having a bore for receiving the coupler. The housing includes two housing members having a chamber for receiving the plate.Type: GrantFiled: January 11, 2006Date of Patent: March 3, 2009Assignee: Joymax Electronics Co., Ltd.Inventors: Yat To Chan, Yuh Ching Tsen
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Patent number: 7486251Abstract: A ceiling antenna housing includes a lower receptacle having a number of orifices, an upper receptacle disposed on the lower receptacle and having a number of cavities aligned with the orifices of the lower receptacle, an antenna member received between the lower receptacle and the upper receptacle, one or more anchoring members disposed on the upper receptacle and each having a hooking member, and a number of fasteners for securing the receptacles and the anchoring member together. The hooking members of the anchoring members may be used for engaging with hanger members typically for attaching ceiling panels to the ceiling, to attach the ceiling antenna housing to the ceiling.Type: GrantFiled: September 20, 2005Date of Patent: February 3, 2009Assignee: Joymax Electronics Co., Ltd.Inventor: Yat To Chan
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Patent number: 7443360Abstract: A ceiling antenna housing includes a receptacle having a chamber to receive an antenna member and having a number of orifices for receiving fasteners. The fasteners each includes an aperture for engaging with hanger members typically for attaching ceiling panels to a ceiling, and for allowing the ceiling antenna housing to be easily and readily attached to the ceiling without drilling holes by the users themselves. A cover is attached to the receptacle and has a number of cavities for receiving the fasteners. The cover may also include a hooking member or an anchoring member to engage with the hanger members.Type: GrantFiled: March 30, 2005Date of Patent: October 28, 2008Assignee: Joymax Electronics Co., Ltd.Inventor: Yat To Chan
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Patent number: 7427968Abstract: An antenna device includes an antenna housing having a chamber and a slot formed in one end and formed between two arms and communicating with the chamber, an antenna member having a stud engaged into the slot and rotatably coupled to the antenna housing with a pivot axle and having two or more flat surfaces formed in the stud. A spring-biased follower is slidably received in the antenna housing and includes an actuator for engaging with either of the flat surfaces of the antenna member and for anchoring and retaining the antenna member to the antenna housing at selected angular positions. The antenna device includes a greatly simplified structure with a greatly reduced expense.Type: GrantFiled: June 7, 2006Date of Patent: September 23, 2008Assignee: Joymax Electronics Co., Ltd.Inventors: Yat To Chan, Chien Te Chen
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Patent number: 7400301Abstract: An antenna device includes a coupler rotatably attaching to a support device, a connector rotatably attached to the coupler with a pivot axle and having an aperture formed in a free end, and having a stop. An antenna member includes an extension extended from one end for rotatably engaging into the aperture of the connector. The antenna member includes a stop for engaging with the stop of the connector, and for limiting the antenna member to rotate relative to the connector. The connector includes a number of grooves, for engaging with a projection of the antenna member, to position the antenna member to the connector at selected or predetermined angular position.Type: GrantFiled: May 17, 2005Date of Patent: July 15, 2008Assignee: Joymax Electronics Co., Ltd.Inventor: Yat To Chan
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Publication number: 20070285333Abstract: An antenna device includes an antenna housing having a chamber and a slot formed in one end and formed between two arms and communicating with the chamber, an antenna member having a stud engaged into the slot and rotatably coupled to the antenna housing with a pivot axle and having two or more flat surfaces formed in the stud. A spring-biased follower is slidably received in the antenna housing and includes an actuator for engaging with either of the flat surfaces of the antenna member and for anchoring and retaining the antenna member to the antenna housing at selected angular positions. The antenna device includes a greatly simplified structure with a greatly reduced expense.Type: ApplicationFiled: June 7, 2006Publication date: December 13, 2007Inventors: Yat To Chan, Chien Te Chen
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Publication number: 20070224883Abstract: An electrical connector includes an insulating base member having a chamber and a bore formed in a protrusion, a conductor rod having one limb engaged through the bore of the protrusion and the other limb engaged in the chamber of the base member for acting as a central electrode of the electrical connector, a conductor sleeve is engaged onto the protrusion and a conductor casing is engaged onto the base member and electrically connected to the sleeve for acting as a case electrode of the electrical connector. The casing may be easily and quickly anchored to the base member with one or more anchoring members or latches, and the casing may be easily and quickly secured to the sleeve with a bar or a tongue.Type: ApplicationFiled: March 21, 2006Publication date: September 27, 2007Inventors: Yat Chan, Tsung Fu
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Patent number: 7265723Abstract: An antenna device includes a housing having a peripheral depression located around an orifice and formed between a peripheral rib and an inner peripheral surface of the housing, an antenna member having two shafts extended from a casing, a gear disposed on each of the shafts and movably engaged in the peripheral depression defined between the peripheral rib and the inner peripheral surface of the housing for guiding the casing of the antenna member to rotate relative the housing. A cap may rotatably secure the casing to the housing, to allow the casing to be rotated relative to the housing with the shafts or by a movement of the gears of the shafts in the peripheral depression of the housing.Type: GrantFiled: January 25, 2006Date of Patent: September 4, 2007Assignee: Airwise Technology Co., Ltd.Inventors: Yat To Chan, Justine Yen
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Patent number: 7259727Abstract: An antenna mounting device includes a housing having a chamber formed by an outer peripheral wall, a suction cup and a base casing received in the housing, the base casing includes a lower seat and an upper seat disposed on top of an outer peripheral fence, a ring member is rotatably engaged onto the base casing and includes a bottom actuator and a recessed actuator for engaging with the lower seat and the upper seat of the base casing and for adjusting the ring member up and down relative to the base casing when the ring member is rotated relative to the base casing. A cap is coupled to the central coupling member of the suction cup with a stem for actuating the suction cup.Type: GrantFiled: January 25, 2006Date of Patent: August 21, 2007Assignee: Joymax Electronics Co., Ltd.Inventor: Yat To Chan
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Publication number: 20070171141Abstract: An antenna mounting device includes a housing having a chamber formed by an outer peripheral wall, a suction cup and a base casing received in the housing, the base casing includes a lower seat and an upper seat disposed on top of an outer peripheral fence, a ring member is rotatably engaged onto the base casing and includes a bottom actuator and a recessed actuator for engaging with the lower seat and the upper seat of the base casing and for adjusting the ring member up and down relative to the base casing when the ring member is rotated relative to the base casing. A cap is coupled to the central coupling member of the suction cup with a stem for actuating the suction cup.Type: ApplicationFiled: January 25, 2006Publication date: July 26, 2007Inventor: Yat Chan
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Patent number: D700139Type: GrantFiled: June 24, 2013Date of Patent: February 25, 2014Assignee: ZeroLemon LLCInventors: Stephen Ching Yat Chan, Wei Chen
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Patent number: D723019Type: GrantFiled: September 20, 2013Date of Patent: February 24, 2015Assignee: ZeroLemon LLCInventors: Stephen Ching Yat Chan, Wei Chen
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Patent number: D730341Type: GrantFiled: September 20, 2013Date of Patent: May 26, 2015Assignee: ZEROLEMON LLCInventors: Stephen Ching Yat Chan, Wei Chen
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Patent number: D748612Type: GrantFiled: January 29, 2014Date of Patent: February 2, 2016Assignee: ZEROLEMON LLCInventors: Stephen Ching Yat Chan, Wei Chen
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Patent number: D763239Type: GrantFiled: January 29, 2014Date of Patent: August 9, 2016Assignee: ZEROLEMON LLCInventors: Stephen Ching Yat Chan, Wei Chen
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Patent number: D764449Type: GrantFiled: January 29, 2014Date of Patent: August 23, 2016Assignee: ZEROLEMON LLCInventors: Stephen Ching Yat Chan, Wei Chen
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Patent number: D832848Type: GrantFiled: April 7, 2017Date of Patent: November 6, 2018Assignee: Zerolemon Technology (Shenzhen) Co., Ltd.Inventors: Stephen Ching Yat Chan, Hao Sheng Huang
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Patent number: D833444Type: GrantFiled: April 7, 2017Date of Patent: November 13, 2018Assignee: Zerolemon Technology (Shenzhen) Co., Ltd.Inventors: Stephen Ching Yat Chan, Hao Sheng Huang