Patents by Inventor Chi-Chang Cheng
Chi-Chang Cheng 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: 20250162754Abstract: A packaging machine structure for wet paper towels having a sterilizing functionality has at least one rolling unit, a cutting unit attached behind the rolling unit, and a packing unit attached behind the cutting unit; a plurality of wet paper towels passing through the rolling unit, the cutting unit, and the packing unit to become a plurality of wet paper towel packs; wherein at least one germicidal lamp is disposed between the rolling unit and the cutting unit to sterilize the wet paper towels.Type: ApplicationFiled: October 6, 2024Publication date: May 22, 2025Inventor: CHI-CHANG CHENG
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Patent number: 10174910Abstract: A method includes pressing a macromolecular material to form a successive reflective layer, heating the reflective layer to a preset temperature value, stirring luminous powder and fluorescent powder at a high speed so that the luminous powder and the fluorescent powder are mixed evenly to form a luminous blank, evenly painting the luminous blank on the reflective layer, drying the luminous blank at a predetermined temperature value to form a luminous layer, and cooling the reflective layer and the luminous layer to produce a substrate which has reflective and self-luminous features. Thus, the luminous layer of the substrate emits light in a dark environment by reflection of the reflective layer of the substrate.Type: GrantFiled: March 16, 2017Date of Patent: January 8, 2019Assignee: Bu Shang Enterprise Co., Ltd.Inventor: Chi-Chang Cheng
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Publication number: 20180266660Abstract: A method includes pressing a macromolecular material to form a successive reflective layer, heating the reflective layer to a preset temperature value, stirring luminous powder and fluorescent powder at a high speed so that the luminous powder and the fluorescent powder are mixed evenly to form a luminous blank, evenly painting the luminous blank on the reflective layer, drying the luminous blank at a predetermined temperature value to form a luminous layer, and cooling the reflective layer and the luminous layer to produce a substrate which has reflective and self-luminous features. Thus, the luminous layer of the substrate emits light in a dark environment by reflection of the reflective layer of the substrate.Type: ApplicationFiled: March 16, 2017Publication date: September 20, 2018Inventor: Chi-Chang Cheng
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Publication number: 20150342147Abstract: A pet carrier may include a main body and a protective layer. The protective layer is resilient and one side of the protective layer has a transition layer that can be attached to a surface of the protective layer by a glue. The protective layer is then sewed to the main body. One end of the main body has a first buckle unit, and a second buckle unit is disposed on an adjustable ring body passing through the other end of the main body. A connecting rod is disposed at a center portion of the adjustable ring body to secure the other end of the main body on the connecting rod.Type: ApplicationFiled: June 3, 2014Publication date: December 3, 2015Applicant: BU SHANG ENTERPRISE CO. LTD.Inventor: Chi-Chang Cheng
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Patent number: 9008931Abstract: A bicycle gear shift control system capable of avoiding frequent gear shifting includes: a power module; a microcomputer electrically connected to the power module for allowing a cyclist to switch between the automatic gear shifting mode and a manual gear shifting mode; a gear shifting driver electrically connected to the microcomputer, substantially connected to a derailleur, and instructed by the microcomputer to drive the derailleur to perform gear shift control; and a manual shifting controller electrically connected to the microcomputer. The microcomputer has an automatic gear shifting logic whereby the microcomputer determines the timing of automatic gear shifting and performs gear shifting. The microcomputer further has a gear shifting delay logic that involves delaying for a delay time interval from commencement of gear shifting according to a gear shifting criterion and ruling out all other gear shifting commands during the delay time interval.Type: GrantFiled: July 5, 2012Date of Patent: April 14, 2015Assignee: J.D. Components Co., Ltd.Inventor: Chi-Chang Cheng
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Patent number: 8977450Abstract: An automatic gear-shifting bicycle includes: a bicycle body provided with two cranks, two pedals and a derailleur, a power supply module, a microcomputer, a gear shifting control driver, and a pedal position sensor module installed in the bicycle body corresponding to the cranks and electrically coupled to the microcomputer for enabling the microcomputer to determine the angular position and forward/backward pedaling of the cranks. The microcomputer calculates the optimal shift timing subject to the time point the crank to be moved over the pedaling dead point in the next time, the pedaling speed to be below a predetermined speed value or the cranks are been pedaling backwardly.Type: GrantFiled: July 3, 2012Date of Patent: March 10, 2015Assignee: J.D. Components Co., Ltd.Inventor: Chi-Chang Cheng
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Patent number: 8886426Abstract: A power-assisted bicycle includes a bicycle body with a power assistance provider and a derailleur, a microcomputer, a gear-shift control driver, and sensors. When the microcomputer decides to perform gear shifting, it controls the power assistance provider to provide an assistant power output and the gear-shift control driver to drive the derailleur to shift gears properly subject to a before-shifting time period, an in-shifting time period and an after-shifting time period. Further, the microcomputer controls the power assistance provider to change the current assistant power to a predetermined low assistant power during the before-shifting time period, or to maintain the predetermined low assistant power during the in-shifting time period, or to change the assistant power output to a level higher than the current assistant power and then to return to the said current assistant power after the end of the after-shifting time period.Type: GrantFiled: August 2, 2012Date of Patent: November 11, 2014Assignee: J.D. Components Co., Ltd.Inventor: Chi-Chang Cheng
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Patent number: 8768585Abstract: A shift control system working with a power-assisted bicycle that has an assisting-power supplying system and a derailleur. The shift control system includes a microcomputer in which plural shifting condition tables are stored. The assisting-power supplying system provides at least two different assisting modes. The shift control system also includes a shifting driver and at least one sensor for sensing at least one of a wheel speed, a crank speed, a pedaling force and a road gradient so as to generate at least one sensing signal and obtain at least one sensing result. The microcomputer selects one of the shifting condition tables in accordance with the current assisting mode for comparing the sensing result, thereby determining whether upshifting or downshifting is to be conducted. Then the microcomputer controls the shifting driver to send a shift control signal to make the derailleur upshift or downshift.Type: GrantFiled: April 12, 2012Date of Patent: July 1, 2014Assignee: J.D. Components Co., Ltd.Inventor: Chi-Chang Cheng
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Patent number: 8532857Abstract: A power-assisted system is to be assembled to a derailleur-equipped bicycle for providing an auxiliary force to the bicycle. The power-assisted system includes: a microcomputer; a pedaling-rate sensor; a bicycle-speed sensor; a shift-position source; and an auxiliary-force database including data about at least a pedaling rate, a running speed, a current gear ratio and the auxiliary force, for defining a ratio between the running speed and the current gear ratio as a first comparison value, and defining the pedaling rate as a second comparison value wherein an auxiliary-force comparison table is made of levels of the auxiliary force to be output corresponding to the first and second comparison values. The microcomputer uses a determining logic circuit to determine the suitable level of the auxiliary force to be output and control the auxiliary-force providing device to output the auxiliary force in the determined level.Type: GrantFiled: December 28, 2011Date of Patent: September 10, 2013Assignee: J.D. Components Co., Ltd.Inventors: Yuan-Fang Hsu, Chi-Chang Cheng
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Publication number: 20130096783Abstract: A bicycle gear shift control system capable of avoiding frequent gear shifting includes: a power module; a microcomputer electrically connected to the power module for allowing a cyclist to switch between the automatic gear shifting mode and a manual gear shifting mode; a gear shifting driver electrically connected to the microcomputer, substantially connected to a derailleur, and instructed by the microcomputer to drive the derailleur to perform gear shift control; and a manual shifting controller electrically connected to the microcomputer. The microcomputer has an automatic gear shifting logic whereby the microcomputer determines the timing of automatic gear shifting and performs gear shifting. The microcomputer further has a gear shifting delay logic that involves delaying for a delay time interval from commencement of gear shifting according to a gear shifting criterion and ruling out all other gear shifting commands during the delay time interval.Type: ApplicationFiled: July 5, 2012Publication date: April 18, 2013Inventor: Chi-Chang CHENG
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Publication number: 20130090819Abstract: A power-assisted bicycle includes a bicycle body with a power assistance provider and a derailleur, a microcomputer, a gear-shift control driver, and sensors. When the microcomputer decides to perform gear shifting, it controls the power assistance provider to provide an assistant power output and the gear-shift control driver to drive the derailleur to shift gears properly subject to a before-shifting time period, an in-shifting time period and an after-shifting time period. Further, the microcomputer controls the power assistance provider to change the current assistant power to a predetermined low assistant power during the before-shifting time period, or to maintain the predetermined low assistant power during the in-shifting time period, or to change the assistant power output to a level higher than the current assistant power and then to return to the said current assistant power after the end of the after-shifting time period.Type: ApplicationFiled: August 2, 2012Publication date: April 11, 2013Inventor: Chi-Chang CHENG
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Publication number: 20130054102Abstract: An automatic gear-shifting bicycle includes: a bicycle body provided with two cranks, two pedals and a derailleur, a power supply module, a microcomputer, a gear shifting control driver, and a pedal position sensor module installed in the bicycle body corresponding to the cranks and electrically coupled to the microcomputer for enabling the microcomputer to determine the angular position and forward/backward pedaling of the cranks. The microcomputer calculates the optimal shift timing subject to the time point the crank to be moved over the pedaling dead point in the next time, the pedaling speed to be below a predetermined speed value or the cranks are been pedaling backwardly.Type: ApplicationFiled: July 3, 2012Publication date: February 28, 2013Inventor: Chi-Chang CHENG
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Publication number: 20120325039Abstract: A derailleur for an electric bicycle is composed of a control unit, a gearshift drive unit, and a gearshift cable connected with the gearshift drive unit and the control unit. The gearshift traction (F1) required by the gearshift controller, the output torsion (T) of the gearshift drive unit, the radius (R) of the reel, and a bend radius of the gearshift cable, and the bend radius r of the gearshift cable satisfy the formula r?R?(T/F1). In this way, when the gearshift drive unit can drive the control unit for gearshift, figure out the minimum bend radius of the gearshift cable, so that the need for electricity can be reduced and the applicable electric motor can be adopted to enable the derailleur to be lightweight.Type: ApplicationFiled: June 22, 2012Publication date: December 27, 2012Inventors: Chi-Chang CHENG, Meng-Jie Tsai
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Publication number: 20120265414Abstract: A shift control system working with a power-assisted bicycle that has an assisting-power supplying system and a derailleur. The shift control system includes a microcomputer in which plural shifting condition tables are stored. The assisting-power supplying system provides at least two different assisting modes. The shift control system also includes a shifting driver and at least one sensor for sensing at least one of a wheel speed, a crank speed, a pedaling force and a road gradient so as to generate at least one sensing signal and obtain at least one sensing result. The microcomputer selects one of the shifting condition tables in accordance with the current assisting mode for comparing the sensing result, thereby determining whether upshifting or downshifting is to be conducted. Then the microcomputer controls the shifting driver to send a shift control signal to make the derailleur upshift or downshift.Type: ApplicationFiled: April 12, 2012Publication date: October 18, 2012Inventor: Chi-Chang CHENG
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Publication number: 20120226400Abstract: A power-assisted system is to be assembled to a derailleur-equipped bicycle for providing an auxiliary force to the bicycle. The power-assisted system includes: a microcomputer; a pedaling-rate sensor; a bicycle-speed sensor; a shift-position source; and an auxiliary-force database including data about at least a pedaling rate, a running speed, a current gear ratio and the auxiliary force, for defining a ratio between the running speed and the current gear ratio as a first comparison value, and defining the pedaling rate as a second comparison value wherein an auxiliary-force comparison table is made of levels of the auxiliary force to be output corresponding to the first and second comparison values. The microcomputer uses a determining logic circuit to determine the suitable level of the auxiliary force to be output and control the auxiliary-force providing device to output the auxiliary force in the determined level.Type: ApplicationFiled: December 28, 2011Publication date: September 6, 2012Applicant: J.D. COMPONENTS CO., LTD.Inventors: Yuan-Fang HSU, Chi-Chang Cheng
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Patent number: 7701727Abstract: A portable electronic device (10) includes a body section (11), a film keypad (12), a printed circuit board (13) and a positioning device. The body section (11) defines an opening (111). The film keypad (12) is mounted to the body section (11). The positioning device is configured for aligning the film keypad (12) with the printed circuit board (13).Type: GrantFiled: December 19, 2008Date of Patent: April 20, 2010Assignee: Chi Mei Communication Systems, Inc.Inventors: Yung-Chuan Chuang, Pao-Ching Mao, Chi-Chang Cheng, Kuo-Heng Sun
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Publication number: 20090310315Abstract: A portable electronic device (10) includes a body section (11), a film keypad (12), a printed circuit board (13) and a positioning device. The body section (11) defines an opening (111). The film keypad (12) is mounted to the body section (11). The positioning device is configured for aligning the film keypad (12) with the printed circuit board (13).Type: ApplicationFiled: December 19, 2008Publication date: December 17, 2009Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.Inventors: YUNG-CHUAN CHUANG, PAO-CHING MAO, CHI-CHANG CHENG, KUO-HENG SUN
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Publication number: 20090152083Abstract: A keypad assembly (100) includes a first soft layer (10), a stiff layer (20) mounted to the first soft layer, an optical layer (40) located under the stiff layer, and a second soft layer (50) mounted to the optical layer. The first soft layer has at least one protrusion (112) formed thereon. The stiff layer has at least one icon (222) formed thereon. The at least one icon corresponds to the at least one protrusion. The optical layer has at least one focusing unit (42) formed thereon. The at least one focusing unit corresponds to the at least one icon. The second soft layer has at least one switch point (522). The at least one switch point corresponds to the at least one protrusion.Type: ApplicationFiled: July 16, 2008Publication date: June 18, 2009Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.Inventors: CHIH-WEI CHENG, KUO-HENG SUN, PAO-CHING MAO, CHIEN-CHIH KUO, CHI-CHANG CHENG
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Publication number: 20060234522Abstract: A button module (2) includes a touch pad (21), a printed circuit board (23) and at least one elastic contact pad (22) sandwiched between the touch pad and the printed circuit board. An electronic device includes a frame having at least one protrusion (261) and the button module. The touch pad includes at least one first locking hole (217) and the printed circuit board includes at least one second locking hole (237). The at least one first and second locking holes are corresponding to each other in location, and the at least one protrusion is engaged in the at least one first and second locking holes. The configuration of the protrusions and the first and second locking holes may cooperatively fasten the button module avoiding using bolts and can decrease a thickness.Type: ApplicationFiled: April 13, 2006Publication date: October 19, 2006Inventors: Gwo-Ching Lin, Chi-Chang Cheng