Patents by Inventor Sung-Po Cheng

Sung-Po 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).

  • Publication number: 20220413278
    Abstract: A compensating mechanism includes a base unit, a transmission unit, an adjusting cap and a rotation setting unit. The base unit includes a grooved portion that includes a first groove and a second groove communicated with the first groove. The second groove includes a first end and a second end opposite to the first end. The first end is connected to the first groove. The first end and the second end have a height difference therebetween in an axial direction of the base unit. The transmission unit is disposed on the base unit. The adjusting cap is connected to the transmission unit. The adjusting cap drives the transmission unit to rotate when the adjusting cap is rotated. The rotation setting unit includes a movable element that is movably disposed on the transmission unit to be connected to the grooved element or to be separated from the grooved element.
    Type: Application
    Filed: May 27, 2022
    Publication date: December 29, 2022
    Inventor: Sung-Po Cheng
  • Patent number: 11366406
    Abstract: A toner level detector, includes: a toner cartridge storing toner and having one side provided with a light-permeable region; an agitator, which is rotatably disposed in the toner cartridge and agitates the toner; a reflective region disposed on an inner surface on the other side of the toner cartridge; a first cleaner disposed on one side of the agitator; a second cleaner disposed on the other side of the agitator; and a transceiver, which is disposed on a body outside the toner cartridge, and outputs an emitting signal to the reflective region through the light-permeable region, wherein the reflective region reflects the emitting signal to generate a reflective signal received by the transceiver through the reflective region, wherein the first cleaner, which is rotating, intermittently cleans the light-permeable region, which is fixed; and the second cleaner, which is rotating, intermittently cleans the reflective region, which is fixed.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: June 21, 2022
    Assignee: AVISION INC.
    Inventors: Shao-Lan Sheng, Sung-Po Cheng, Chiamin Kuo, Hsiang-Yun Cheng
  • Publication number: 20210208522
    Abstract: A toner level detector, includes: a toner cartridge storing toner and having one side provided with a light-permeable region; an agitator, which is rotatably disposed in the toner cartridge and agitates the toner; a reflective region disposed on an inner surface on the other side of the toner cartridge; a first cleaner disposed on one side of the agitator; a second cleaner disposed on the other side of the agitator; and a transceiver, which is disposed on a body outside the toner cartridge, and outputs an emitting signal to the reflective region through the light-permeable region, wherein the reflective region reflects the emitting signal to generate a reflective signal received by the transceiver through the reflective region, wherein the first cleaner, which is rotating, intermittently cleans the light-permeable region, which is fixed; and the second cleaner, which is rotating, intermittently cleans the reflective region, which is fixed.
    Type: Application
    Filed: March 18, 2021
    Publication date: July 8, 2021
    Inventors: SHAO-LAN SHENG, SUNG-PO CHENG, CHIAMIN KUO, HSIANG-YUN CHENG
  • Patent number: 10983454
    Abstract: A toner level detector includes a toner cartridge, an agitator, a reflective region, a first cleaner, a second cleaner and a transceiver. The toner cartridge stores toner, and has a light-permeable region. The agitator rotatably disposed in the toner cartridge agitates the toner. The reflective region is disposed on the agitator. The first cleaner is disposed on the agitator. The second cleaner is disposed on the toner cartridge. The transceiver disposed on a body outside the toner cartridge outputs an emitting signal to the reflective region through the light-permeable region. The reflective region reflects the emitting signal to generate a reflective signal received by the transceiver through the reflective region. The rotating first cleaner intermittently cleans the fixed light-permeable region, and the fixed second cleaner intermittently cleans the rotating reflective region.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: April 20, 2021
    Assignee: AVISION INC.
    Inventors: Shao-Lan Sheng, Sung-Po Cheng, Chiamin Kuo, Hsiang-Yun Cheng
  • Publication number: 20210018857
    Abstract: A toner level detector includes a toner cartridge, an agitator, a reflective region, a first cleaner, a second cleaner and a transceiver. The toner cartridge stores toner, and has a light-permeable region. The agitator rotatably disposed in the toner cartridge agitates the toner. The reflective region is disposed on the agitator. The first cleaner is disposed on the agitator. The second cleaner is disposed on the toner cartridge. The transceiver disposed on a body outside the toner cartridge outputs an emitting signal to the reflective region through the light-permeable region. The reflective region reflects the emitting signal to generate a reflective signal received by the transceiver through the reflective region. The rotating first cleaner intermittently cleans the fixed light-permeable region, and the fixed second cleaner intermittently cleans the rotating reflective region.
    Type: Application
    Filed: June 25, 2020
    Publication date: January 21, 2021
    Inventors: SHAO-LAN SHENG, SUNG-PO CHENG, CHIAMIN KUO, HSIANG-YUN CHENG
  • Patent number: 10788288
    Abstract: A compensating mechanism includes a base, an adjusting unit, an adjusting cap and a stop unit. The adjusting unit is disposed on the base. The adjusting cap is configured to move the adjusting unit with respect to the base so as to form a first circumferential movement range. The stop unit includes a sliding element and a limiting element, wherein the limiting element includes a movement region, and the adjusting cap is configured to move the sliding element along the movement region so as to form a second circumferential movement range. A sum of a first central angle corresponding to the first circumferential movement range and a second central angle corresponding to the second circumferential movement range is a fixed value. A sight is provided to include a main body, an objective unit, an ocular unit, an inner lens barrel and the compensating mechanism.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: September 29, 2020
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Yung-Chin Lin, Hao Tu, Sung-Po Cheng
  • Patent number: 10578400
    Abstract: A sight includes a main body, an objective unit, an eyepiece unit, an inner lens barrel, an adjusting ring and an indicating structure. The main body has a first end portion and a second end portion. The objective unit is connected to the first end portion. The eyepiece unit is connected to the second end portion. The inner lens barrel is disposed in the main body, wherein the objective unit, the inner lens barrel and the eyepiece unit are sequentially arranged to form an optical axis. The adjusting ring is rotatably disposed on the main body. The indicating structure is disposed on the adjusting ring and includes an illuminating element and an optical transmitting element. When the sight is connected to an electronic device, the illuminating element emits a light beam, and the light beam passes through the optical transmitting element for generating an indicating sign.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: March 3, 2020
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Sung-Po Cheng, Chin-Teng Lin, Chia-Kan Chang, Shang-Yung Liang
  • Patent number: 10495415
    Abstract: A sight includes an inner lens barrel, a compensating device and a converting unit. The inner lens barrel includes a plurality of lenses constituting an optical axis. The compensating device includes a base, an adjusting unit and an adjusting cap. The adjusting unit is disposed on the base, is penetrated through the base and is placed against the inner lens barrel. The adjusting cap is connected to the adjusting unit, wherein the adjusting cap is rotated for axially moving the adjusting unit, and the inner lens barrel is pushed by the adjusting unit so that the optical axis is shifted. The converting unit is configured to convert shift amount of the optical axis to an electric signal corresponding to number of rotation of the adjusting cap and output the electric signal.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: December 3, 2019
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Hung-Chi Chou, Chia-Kan Chang, Sung-Po Cheng
  • Publication number: 20190285382
    Abstract: A sight includes an inner lens barrel, a compensating device and a converting unit. The inner lens barrel includes a plurality of lenses constituting an optical axis. The compensating device includes a base, an adjusting unit and an adjusting cap. The adjusting unit is disposed on the base, is penetrated through the base and is placed against the inner lens barrel. The adjusting cap is connected to the adjusting unit, wherein the adjusting cap is rotated for axially moving the adjusting unit, and the inner lens barrel is pushed by the adjusting unit so that the optical axis is shifted. The converting unit is configured to convert shift amount of the optical axis to an electric signal corresponding to number of rotation of the adjusting cap and output the electric signal.
    Type: Application
    Filed: February 26, 2019
    Publication date: September 19, 2019
    Inventors: Hung-Chi Chou, Chia-Kan Chang, Sung-Po Cheng
  • Publication number: 20190219363
    Abstract: A compensating mechanism includes a base, an adjusting unit, an adjusting cap and a stop unit. The adjusting unit is disposed on the base. The adjusting cap is configured to move the adjusting unit with respect to the base so as to form a first circumferential movement range. The stop unit includes a sliding element and a limiting element, wherein the limiting element includes a movement region, and the adjusting cap is configured to move the sliding element along the movement region so as to form a second circumferential movement range. A sum of a first central angle corresponding to the first circumferential movement range and a second central angle corresponding to the second circumferential movement range is a fixed value. A sight is provided to include a main body, an objective unit, an ocular unit, an inner lens barrel and the compensating mechanism.
    Type: Application
    Filed: March 27, 2019
    Publication date: July 18, 2019
    Inventors: Yung-Chin Lin, Hao Tu, Sung-Po Cheng
  • Patent number: 10337831
    Abstract: A compensating mechanism includes a base, an adjusting unit, an adjusting cap and a stop unit. The adjusting unit is disposed on the base. The adjusting cap is configured to move the adjusting unit with respect to the base so as to form a first circumferential movement range. The stop unit includes a sliding element and a limiting element, wherein the limiting element includes a movement region, and the adjusting cap is configured to move the sliding element along the movement region so as to form a second circumferential movement range. A sum of a first central angle corresponding to the first circumferential movement range and a second central angle corresponding to the second circumferential movement range is a fixed value. The invention also provides a sight, wherein the sight includes a main body, an objective unit, an ocular unit, an inner lens barrel and the compensating mechanism.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: July 2, 2019
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventors: Yung-Chin Lin, Hao Tu, Sung-Po Cheng
  • Publication number: 20190195597
    Abstract: A sight includes a main body, an objective unit, an eyepiece unit, an inner lens barrel, an adjusting ring and an indicating structure. The main body has a first end portion and a second end portion. The objective unit is connected to the first end portion. The eyepiece unit is connected to the second end portion. The inner lens barrel is disposed in the main body, wherein the objective unit, the inner lens barrel and the eyepiece unit are sequentially arranged to form an optical axis. The adjusting ring is rotatably disposed on the main body. The indicating structure is disposed on the adjusting ring and includes an illuminating element and an optical transmitting element. When the sight is connected to an electronic device, the illuminating element emits a light beam, and the light beam passes through the optical transmitting element for generating an indicating sign.
    Type: Application
    Filed: November 27, 2018
    Publication date: June 27, 2019
    Inventors: Sung-Po Cheng, Chin-Teng Lin, Chia-Kan Chang, Shang-Yung Liang
  • Patent number: 10252871
    Abstract: The present disclosure provides a transmission assembly and an office machine comprising the same. The transmission assembly includes a body, a first roller, a second roller, a flexible element, a third roller and a transmission element. The first roller is pivoted at a first position of the body, the second roller is pivoted at a second position of the body, one end of the flexible element connects to the body, the third roller is pivoted besides the first roller in parallel and rotates with the first roller simultaneously, and a transmission element is used to surround axes of the first roller and the second roller; wherein, the rotating directions of the first roller, the second roller, the third roller and the transmission element are the same. The present disclosure provides another office machine using the same.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: April 9, 2019
    Assignee: Avision Inc.
    Inventors: Sung-Po Cheng, Chin-Chu Chiu, Chi-Yao Chen, Shao-Lan Sheng
  • Publication number: 20190063147
    Abstract: A positioning structure for cordless window blind comprise a lower case, a driving gear wheel, a driven gear wheel, a coil spring, two pull-cord gear wheels, two one-way resistance wheels, and an upper case. The two one-way resistance wheels are arranged on the lower case and respectively adjacent to the two pull-cord gear wheels. Each one-way resistance wheel has a resistance block and an elastic member. The resistance block has two polygonal holes. One end of the elastic member is fastened to the resistance block. The two pull cords are respectively fastened to the two pull-cord gear wheels and respectively winded around the two one-way resistance wheels at least one loop. The upper case has two polygonal posts which are respectively inserted into the two polygonal holes.
    Type: Application
    Filed: August 31, 2017
    Publication date: February 28, 2019
    Inventor: SUNG-PO CHENG
  • Publication number: 20190041583
    Abstract: An optical structure includes a main body including a first pattern, a glass body including a second pattern, an optical fiber, a first light source, and a second light source. The optical fiber is located between the main body and the glass body and includes a first end. A first color beam is projected from the first light source to be fed into the optical fiber, and is outputted from the first end. A second color beam is projected beam from the second light source to be fed into the glass body, and is outputted from the second pattern. A baseline vertically passes through an aiming pattern constituted by the first pattern and the second pattern. When the aiming pattern is observed in a direction parallel to the baseline, the first end is located at a center of the aiming pattern.
    Type: Application
    Filed: August 3, 2018
    Publication date: February 7, 2019
    Inventor: Sung-Po Cheng
  • Patent number: 10145651
    Abstract: In an adjusting knob mechanism, a base includes a first supporting portion and a second supporting portion. A first clicking gear includes a plurality of first indentations and disposed on the first supporting portion. A second clicking gear includes a plurality of second indentations and disposed on the second supporting portion. A limiting element is disposed on the base. A movable element is disposed within the limiting element and configured to move in an axial direction of the base relative to the limiting element. A connecting mechanism extends into the limiting element. An adjusting cover is connected to the movable element by the connecting mechanism, so as to move the movable element in the axial direction of the base relative to the limiting element and the second clicking gear. The adjusting cover is configured to rotate the limiting element and the movable element through the connecting mechanism.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: December 4, 2018
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., INC.
    Inventor: Sung-Po Cheng
  • Publication number: 20180209763
    Abstract: In an adjusting knob mechanism, a base includes a first supporting portion and a second supporting portion. A first clicking gear includes a plurality of first indentations and disposed on the first supporting portion. A second clicking gear includes a plurality of second indentations and disposed on the second supporting portion. A limiting element is disposed on the base. A movable element is disposed within the limiting element and configured to move in an axial direction of the base relative to the limiting element. A connecting mechanism extends into the limiting element. An adjusting cover is connected to the movable element by the connecting mechanism, so as to move the movable element in the axial direction of the base relative to the limiting element and the second clicking gear. The adjusting cover is configured to rotate the limiting element and the movable element through the connecting mechanism.
    Type: Application
    Filed: October 24, 2017
    Publication date: July 26, 2018
    Inventor: Sung-Po Cheng
  • Patent number: 10029867
    Abstract: A feeding device for digital processing machine includes a paper passage, a friction device, and a sheet-feeding module. The sheet-feeding module is disposed in the paper passage and opposite to the friction device. The sheet-feeding module includes a sheet-feeding roller, a first idle wheel, and a belt. The sheet-feeding roller is for separating a sheet with the friction device. The first idle wheel is disposed in the upstream side of the sheet-feeding roller. The belt encircles the first idle wheel and the axle of the sheet-feeding roller. The sheet-feeding module rotates from a first position to a second position when the sheet-feeding roller rotates, such that the belt contacts the sheet when the sheet-feeding module is at the second position.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: July 24, 2018
    Assignee: Avision Inc.
    Inventors: Sung-Po Cheng, Thomas Sheng
  • Publication number: 20180180383
    Abstract: A compensating mechanism includes a base, an adjusting unit, an adjusting cap and a stop unit. The adjusting unit is disposed on the base. The adjusting cap is configured to move the adjusting unit with respect to the base so as to form a first circumferential movement range. The stop unit includes a sliding element and a limiting element, wherein the limiting element includes a movement region, and the adjusting cap is configured to move the sliding element along the movement region so as to form a second circumferential movement range. A sum of a first central angle corresponding to the first circumferential movement range and a second central angle corresponding to the second circumferential movement range is a fixed value. The invention also provides a sight, wherein the sight includes a main body, an objective unit, an ocular unit, an inner lens barrel and the compensating mechanism.
    Type: Application
    Filed: December 27, 2017
    Publication date: June 28, 2018
    Inventors: Yung-Chin Lin, Hao Tu, Sung-Po Cheng
  • Patent number: 9902579
    Abstract: A feeding device for a digital processing machine includes a paper passage, a sheet-feeding roller, a friction device, and a slide. The sheet-feeding roller is disposed in the paper passage, and the friction device is disposed opposite to the sheet-feeding roller. The sheet-feeding roller separates a sheet with the friction device. The slide is disposed at a left side and a right side of the sheet-feeding roller. The slide is lowered from a first position to a second position when the sheet-feeding roller rotates, such that the sheet contacts the sheet-feeding roller.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: February 27, 2018
    Assignee: Avision Inc.
    Inventor: Sung-Po Cheng