Patents by Inventor Cheng-Mao CHANG
Cheng-Mao CHANG 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: 20240402765Abstract: A laptop computer with a detachable touchpad module includes a housing, a locking hook, and a touchpad module. The housing has a first surface and a second surface opposite to each other. The first surface is an external surface of the housing, and the second surface is an internal surface of the housing. The locking hook is freely pivoted to the housing and located at the second surface. The touchpad module has a locking hole. When the touchpad module is assembled to the first surface, the locking hole penetrates the housing and is protruded out of the second surface, and the locking hook is locked with the locking hole.Type: ApplicationFiled: January 4, 2024Publication date: December 5, 2024Applicant: Acer IncorporatedInventors: Yi-Hsuan Yang, Cheng-Mao Chang, Pao-Min Huang, Chi-Hung Lai
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Publication number: 20240192576Abstract: A camera module suited for assembled in a casing is provided. The camera module includes a camera and a switch cover. The camera is disposed in the casing and aligned with a camera hole of the casing. The switch cover is slidably disposed in the casing, wherein the switch cover includes a sliding member and a shielding member secured to the sliding member, and a thickness of the shielding member is less than a thickness of the sliding member. The camera hole is seated on a sliding path of the shielding member. The shielding member is suited for blocking between the camera and the camera hole or moving out between the camera and the camera hole. An electronic device is also provided.Type: ApplicationFiled: August 13, 2023Publication date: June 13, 2024Applicant: Acer IncorporatedInventors: Yu-Chin Huang, Cheng-Mao Chang, Li-Hua Hu, Pao-Min Huang, Chien-Yuan Chen
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Patent number: 11962878Abstract: An electronic device is provided, including a main body and a camera module. The camera module has a frame, a lens unit disposed in the frame, a guiding member, and a hinge. The guiding member is affixed to the main body and has a rail and a spring sheet. The hinge pivotally connects to the frame and the guiding member. When the camera module is in the retracted position, the camera module is hidden in a recess of the main body. When the camera module slides out of the recess from the retracted position along the rail into the operational position, the spring sheet is pressed by the hinge to increase the friction between the hinge and the guiding member.Type: GrantFiled: April 27, 2022Date of Patent: April 16, 2024Assignee: ACER INCORPORATEDInventors: Yu-Chin Huang, Cheng-Mao Chang, Li-Hua Hu, Pao-Min Huang
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Patent number: 11650680Abstract: A touch pad structure includes a base, a guiding component rotatably disposed on the base, a touch pad disposed above the base, and a switch. The guiding component is located between the base and the touch pad. The touch pad has an inner surface facing the base. Here, the switch is disposed on the inner surface, and a guiding structure is disposed on the inner surface. The guiding structure is slidably connected to the guiding component. The touch pad moving toward the base drives the guiding component to rotate relative to the base through the guiding structure, and the touch pad moves along a vertical direction.Type: GrantFiled: August 26, 2021Date of Patent: May 16, 2023Assignee: Acer IncorporatedInventors: Yu-Chin Huang, Cheng-Mao Chang
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Publication number: 20230106722Abstract: An electronic device is provided, including a main body and a camera module. The camera module has a frame, a lens unit disposed in the frame, a guiding member, and a hinge. The guiding member is affixed to the main body and has a rail and a spring sheet. The hinge pivotally connects to the frame and the guiding member. When the camera module is in the retracted position, the camera module is hidden in a recess of the main body. When the camera module slides out of the recess from the retracted position along the rail into the operational position, the spring sheet is pressed by the hinge to increase the friction between the hinge and the guiding member.Type: ApplicationFiled: April 27, 2022Publication date: April 6, 2023Inventors: Yu-Chin HUANG, Cheng-Mao CHANG, Li-Hua HU, Pao-Min HUANG
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Publication number: 20220197413Abstract: A touch pad structure includes a base, a guiding component rotatably disposed on the base, a touch pad disposed above the base, and a switch. The guiding component is located between the base and the touch pad. The touch pad has an inner surface facing the base. Here, the switch is disposed on the inner surface, and a guiding structure is disposed on the inner surface. The guiding structure is slidably connected to the guiding component. The touch pad moving toward the base drives the guiding component to rotate relative to the base through the guiding structure, and the touch pad moves along a vertical direction.Type: ApplicationFiled: August 26, 2021Publication date: June 23, 2022Applicant: Acer IncorporatedInventors: Yu-Chin Huang, Cheng-Mao Chang
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Patent number: 10728449Abstract: The present disclosure provides an electronic device that includes a display device. A first panoramic image capturing device is movably configured on the display surface of the display device. A second panoramic image capturing device is movably configured on a back panel relative to the display surface. A drive unit is configured to push the first panoramic image capturing device out of the electronic device along a first direction perpendicular to the display surface and push the second panoramic image capturing device out of the electronic device along a second direction, which is opposite to the first direction, when receiving a first signal. The drive unit is configured to pull the first panoramic image capturing device back to the electronic device along the second direction and pull the second panoramic image capturing device back to the electronic device along the first direction when receiving a second signal.Type: GrantFiled: March 14, 2018Date of Patent: July 28, 2020Assignee: ACER INCORPORATEDInventors: Yi-Hsuan Yang, Cheng-Mao Chang, Chia-Bo Chen, Li-Hua Hu, Pao-Min Huang, Yan-Fong Cheng
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Patent number: 10645285Abstract: An electronic device including a display, a host, a hinge, a panoramic camera, a linkage assembly and a torsion spring is provided. The display has a plane facing the host. The hinge is connected between the display and the host. The panoramic camera is disposed in an accommodating space on an upper side of the display and is rotatable relative to the display. The linkage assembly is disposed in the display and driven by the hinge to limit the panoramic camera, such that the panoramic camera is kept in a state of being protruded from the plane of the display, and the torsion spring is disposed on a lower portion of the panoramic camera, wherein when the display is closed relative to the host, the hinge drives the linkage assembly to release the limitation on the panoramic camera, and the torsion spring enables the panoramic camera to be restored to the original position.Type: GrantFiled: November 26, 2018Date of Patent: May 5, 2020Assignee: Acer IncorporatedInventors: Yi-Hsuan Yang, Cheng-Mao Chang, Pao-Min Huang, Yan-Fong Cheng
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Publication number: 20190166310Abstract: An electronic device including a display, a host, a hinge, a panoramic camera, a linkage assembly and a torsion spring is provided. The display has a plane facing the host. The hinge is connected between the display and the host. The panoramic camera is disposed in an accommodating space on an upper side of the display and is rotatable relative to the display. The linkage assembly is disposed in the display and driven by the hinge to limit the panoramic camera, such that the panoramic camera is kept in a state of being protruded from the plane of the display, and the torsion spring is disposed on a lower portion of the panoramic camera, wherein when the display is closed relative to the host, the hinge drives the linkage assembly to release the limitation on the panoramic camera, and the torsion spring enables the panoramic camera to be restored to the original position.Type: ApplicationFiled: November 26, 2018Publication date: May 30, 2019Applicant: Acer IncorporatedInventors: Yi-Hsuan Yang, Cheng-Mao Chang, Pao-Min Huang, Yan-Fong Cheng
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Patent number: 10303212Abstract: A rotary combination module for a tablet computer, which includes a pad and a dock, to engage the pad with the dock, the rotary combination module comprising: a rotation part, disposed on the back of the pad, for rotating on the pad as a rotation plane; an extension part, connected with the rotation part, for shifting in the rotation part and positioning at a predetermined location; and a stand, connected to the extension part, for turning away from the extension part and positioning at a predetermined angle.Type: GrantFiled: March 17, 2016Date of Patent: May 28, 2019Assignee: ACER INCORPORATEDInventors: Yung-Chih Wang, Jian-Siang Wang, Cheng-Mao Chang, Wen-Neng Liao
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Publication number: 20190149729Abstract: The present disclosure provides an electronic device that includes a display device. A first panoramic image capturing device is movably configured on the display surface of the display device. A second panoramic image capturing device is movably configured on a back panel relative to the display surface. A drive unit is configured to push the first panoramic image capturing device out of the electronic device along a first direction perpendicular to the display surface and push the second panoramic image capturing device out of the electronic device along a second direction, which is opposite to the first direction, when receiving a first signal. The drive unit is configured to pull the first panoramic image capturing device back to the electronic device along the second direction and pull the second panoramic image capturing device back to the electronic device along the first direction when receiving a second signal.Type: ApplicationFiled: March 14, 2018Publication date: May 16, 2019Inventors: Yi-Hsuan YANG, Cheng-Mao CHANG, Chia-Bo CHEN, Li-Hua HU, Pao-Min HUANG, Yan-Fong CHENG
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Patent number: 10073503Abstract: A portable electronic device including a first body, a second body, a cam, and a linking rod is provided. The first body has a reaming hole. The second body has a rotating shaft movably coupled to the reaming hole in pivoting and penetrating manner. The cam is assembled to a side surface of the rotating shaft to rotate along with the rotating shaft. The linking rod has a first end and a second end opposite to each other. The first end is pivoted to the cam, and the second end is pivoted to the first body. When the second body is pivoted relative to the first body via the rotating shaft, the cam rotates along with the rotating shaft and the linking rod drives the cam and the rotating shaft to move along the reaming hole so as to move the second body towards or away from the first body.Type: GrantFiled: July 20, 2017Date of Patent: September 11, 2018Assignee: Acer IncorporatedInventors: Pao-Min Huang, Chi-Hung Lai, Chia-Bo Chen, Wu-Chen Lee, Cheng-Mao Chang, Chien-Yuan Chen
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Publication number: 20180173282Abstract: A portable electronic device including a first body, a second body, a cam, and a linking rod is provided. The first body has a reaming hole. The second body has a rotating shaft movably coupled to the reaming hole in pivoting and penetrating manner. The cam is assembled to a side surface of the rotating shaft to rotate along with the rotating shaft. The linking rod has a first end and a second end opposite to each other. The first end is pivoted to the cam, and the second end is pivoted to the first body. When the second body is pivoted relative to the first body via the rotating shaft, the cam rotates along with the rotating shaft and the linking rod drives the cam and the rotating shaft to move along the reaming hole so as to move the second body towards or away from the first body.Type: ApplicationFiled: July 20, 2017Publication date: June 21, 2018Applicant: Acer IncorporatedInventors: Pao-Min Huang, Chi-Hung Lai, Chia-Bo Chen, Wu-Chen Lee, Cheng-Mao Chang, Chien-Yuan Chen
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Publication number: 20160370826Abstract: A rotary combination module for a tablet computer, which includes a pad and a dock, to engage the pad with the dock, the rotary combination module comprising: a rotation part, disposed on the back of the pad, for rotating on the pad as a rotation plane; an extension part, connected with the rotation part, for shifting in the rotation part and positioning at a predetermined location; and a stand, connected to the extension part, for turning away from the extension part and positioning at a predetermined angle.Type: ApplicationFiled: March 17, 2016Publication date: December 22, 2016Inventors: Yung-Chih Wang, Jian-Siang Wang, Cheng-Mao Chang, Wen-Neng Liao
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Publication number: 20160357225Abstract: An electronic device including a lower body, an upper body, a rotating assembly, a sliding assembly and a stopping assembly is provided. The upper body is disposed above the lower body. The rotating assembly is disposed between the upper body and the lower body, so that the upper body is pivotally disposed on the lower body. The sliding assembly is disposed between the rotating assembly and the lower body, so that the rotating assembly is slidably disposed on the lower body. The stopping assembly is disposed on the lower body, so as to fix the sliding assembly when the upper body rotates relative to the lower body through the rotating assembly and release the sliding assembly until the upper body rotates to a predetermined angle, thereafter the upper body and the rotating assembly are adapted to slide relative to the lower body through the sliding assembly.Type: ApplicationFiled: May 26, 2016Publication date: December 8, 2016Inventors: Pao-Min Huang, Chia-Bo Chen, Cheng-Mao Chang, Pao-Ching Huang, Tai-Lan Chu, Yi-Chang Yeh, Chia-Ming Chang
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Patent number: 9429996Abstract: A cover assembly including a first and second covers, a latch, an elastic unit, and fasteners is provided. The first cover has inner and outer surfaces, wherein first limiting elements, a hook, and a rail are formed on the inner surface, and keyholes are formed through the inner and outer surfaces. The second cover fixed on the first cover with the inner surface facing the second cover has a stud and second limiting elements overlapping the first limiting elements. The elastic unit connected between the latch disposed in the rail and having third limiting elements and the hook applies a restoring force to the latch. The fasteners pass through the keyholes into the stud. The latch is constrained by the fasteners to drive the third limiting elements to pass through the overlapping portions of the first and second limiting elements, and thereby the first and second covers are fixed together.Type: GrantFiled: April 22, 2015Date of Patent: August 30, 2016Assignee: Acer IncorporatedInventors: Yi-Hsuan Yang, Cheng-Mao Chang, Chien-Yuan Chen
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Publication number: 20160161990Abstract: A cover assembly including a first and second covers, a latch, an elastic unit, and fasteners is provided. The first cover has inner and outer surfaces, wherein first limiting elements, a hook, and a rail are formed on the inner surface, and keyholes are formed through the inner and outer surfaces. The second cover fixed on the first cover with the inner surface facing the second cover has a stud and second limiting elements overlapping the first limiting elements. The elastic unit connected between the latch disposed in the rail and having third limiting elements and the hook applies a restoring force to the latch. The fasteners pass through the keyholes into the stud. The latch is constrained by the fasteners to drive the third limiting elements to pass through the overlapping portions of the first and second limiting elements, and thereby the first and second covers are fixed together.Type: ApplicationFiled: April 22, 2015Publication date: June 9, 2016Inventors: Yi-Hsuan Yang, Cheng-Mao Chang, Chien-Yuan Chen
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Patent number: 9354669Abstract: An electronic device includes a first body, a second body, and a linking assembly. The first body has a first side and a second side opposite to each other, and a sliding slot located at the first side. The first body and the second body are pivoted to the linking assembly. The second body rotates relative to the first side of the first body to open or close and drives the linking assembly, such that the electronic device stands on a platform with the first side or the second side of the first body. The linking assembly has a supporting block movably coupled to the sliding slot. When the second body rotates to an angle relative to the first side, the supporting block protrudes out of the first side so that the electronic device stands on the platform with the first side.Type: GrantFiled: August 1, 2014Date of Patent: May 31, 2016Assignee: Acer IncorporatedInventors: Hung-Chi Chen, Iou-Ren Su, Cheng-Mao Chang, Yi-Chang Yeh
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Publication number: 20150062793Abstract: An electronic device includes a first body, a second body, and a linking assembly. The first body has a first side and a second side opposite to each other, and a sliding slot located at the first side. The first body and the second body are pivoted to the linking assembly. The second body rotates relative to the first side of the first body to open or close and drives the linking assembly, such that the electronic device stands on a platform with the first side or the second side of the first body. The linking assembly has a supporting block movably coupled to the sliding slot. When the second body rotates to an angle relative to the first side, the supporting block protrudes out of the first side so that the electronic device stands on the platform with the first side.Type: ApplicationFiled: August 1, 2014Publication date: March 5, 2015Inventors: Hung-Chi Chen, Iou-Ren Su, Cheng-Mao Chang, Yi-Chang Yeh
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Patent number: D982577Type: GrantFiled: January 27, 2021Date of Patent: April 4, 2023Assignee: Acer IncorporatedInventors: Chien-Yuan Chen, Cheng-Mao Chang, Yu-Chin Huang, Chia-Bo Chen