Patents by Inventor Dong Tan

Dong Tan 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: 20170309110
    Abstract: A paper money recycling bin and paper money processing device; the paper money recycling bin includes a box and a partition plate installed in the box; symmetrical vertical groove groups are provided on a left inner wall and a right inner wall of the box; each vertical groove group includes a plurality of vertical grooves; and a left edge and a right edge of the partition plate are inserted in the vertical grooves to partition the internal space of the box, thus preventing a gap in the space, and avoiding the situation of tilting, irregular stacking or jamming when paper money subsequently enters.
    Type: Application
    Filed: August 24, 2015
    Publication date: October 26, 2017
    Applicant: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Qiuhua WENG, Dong TAN
  • Publication number: 20170276437
    Abstract: The present invention discloses a combined plate-and-tube heat exchange evaporative condenser, which comprises a fan, a water pump, a water sprayer, a reservoir and a combined plate-and-tube heat exchanger; the combined plate-and-tube heat exchanger is composed of a plurality of combined plate-and-tube heat exchange pieces connected by inlet headers and outlet headers; the combined plate-and-tube heat exchange piece comprises a heat transfer plate and a serpentine tube machined by the heat exchange tube; the heat transfer plate is provided with a groove, and the shape of the groove is matched with that of the serpentine tube; the serpentine tube is disposed in the groove, and a gap between the serpentine tube and the groove is filled with a thermally conductive adhesive layer.
    Type: Application
    Filed: June 12, 2015
    Publication date: September 28, 2017
    Inventors: Zhiming Li, Dong Tan, Yong Zhang
  • Publication number: 20170260016
    Abstract: A deflection correcting device includes a banknote running passage defined by a first passage plate and a second passage plate. Deflection correcting wheels are arranged in the banknote running passage and a deflection correcting direction of the deflection correcting wheels is deflected from a reference side of the banknote running passage. A lateral guiding mechanism is provided at the reference side, and configured to drive a banknote that reaches the reference side to move in the transmission direction of the banknote running passage; and a deflection correcting adjusting wheel is provided at a tail end in a deflection direction of the plurality of the deflection correcting wheels, and a deflection correcting direction of the deflection correcting adjusting wheel is deflected from the reference side. The banknote is prevented from jamming at the reference side and the passage.
    Type: Application
    Filed: July 27, 2015
    Publication date: September 14, 2017
    Applicant: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Dong TAN, Guozhong CAO, Hongjun WU, Zhongwu LAI
  • Patent number: 9758333
    Abstract: A rotary paper money conveying device applied to a note in and out port (1) of an automatic teller machine.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: September 12, 2017
    Assignee: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Qiuhua Weng, Dong Tan
  • Patent number: 9751723
    Abstract: A banknote-passing type banknote conveying device, used at a banknote inlet-outlet of an automatic teller machine, includes a mounting lateral plate, a banknote stacking mechanism, a banknote clamping and conveying mechanism, a pressing mechanism, a jacking mechanism, and a central control unit for controlling the operation of the above mechanisms. The banknote-passing type banknote conveying device uses a lifting motor and a connection rod to drive a lifting plate to move the banknotes up and down, and uses a pressing plate to move the banknotes back and forth. The functions of stacking and passing banknotes are achieved in an effective space. Moreover, a pull type electromagnet and a spring are used to control the opening and closing of the banknote clamping and conveying mechanism, thus a traditional motor control method and the like can be omitted, such that the cost is low, and the reliability is high.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: September 5, 2017
    Assignee: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Yong Yu, Qiuhua Weng, Dong Tan
  • Patent number: 9753473
    Abstract: Aspects of the present invention include a low-dropout (LDO) linear power supply system. The system includes a pass-element configured to generate an output voltage at an output based on an input voltage. The system also includes a compensation amplifier stage coupled to the output and configured to provide frequency compensation and provide a desired frequency response of the output voltage. The system further includes a gain amplifier stage interconnecting the compensation amplifier stage and the pass-element and configured to provide DC gain scaling to generate the output voltage substantially proportional to the input voltage within a given range of the input voltage.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: September 5, 2017
    Assignee: Northrop Grumman Systems Corporation
    Inventors: Fang Dong Tan, Jeff Zee
  • Patent number: 9745157
    Abstract: A banknote size adjustment device includes a pair of assemblies cooperating with each other to form a space for accommodating banknotes, the size of the space being adjustable; and front and rear support frames. Each assembly includes a position-limiting plate, a reinforcing plate, a pair of latch plates and a pair of compression springs, the reinforcing plate is fixed to a bottom of the position-limiting plate, and the latch plate is arranged at one end of the position-limiting plate and the reinforcing plate and is sandwiched between the position-limiting plate and the reinforcing plate, the compression spring has one end fixed to the reinforcing plate or the position-limiting plate and another end connected to one end of the latch plate, and applies an elastic force to the latch plate, to allow another end of the latch plate to always maintain a tendency of being inserted into the positioning holes.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: August 29, 2017
    Assignee: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Xiaogang Zeng, Qiuhua Weng, Dong Tan
  • Publication number: 20170233202
    Abstract: A rotary banknote conveying device applicable to a banknote inlet/outlet of an automatic teller machine includes a banknote clamping mechanism configured to convey banknotes from the banknote inlet/outlet to an inlet of a banknote conveying passage inside the automatic teller machine; a transmission mechanism including a drive motor, a belt and a pair of pulleys; a first rotary driving mechanism including a first rotary motor and a first transmission gear and configured to drive the banknote clamping mechanism to rotate by a first angle at the banknote inlet/outlet; a second rotary driving mechanism including a second rotary motor and a second transmission gear and configured to drive the banknote clamping mechanism to rotate by a second angle at the inlet of the banknote conveying passage; and a central control mechanism including a control unit, a first position sensor, and a second position sensor.
    Type: Application
    Filed: July 27, 2015
    Publication date: August 17, 2017
    Applicant: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Qiuhua WENG, Dong TAN
  • Publication number: 20170213410
    Abstract: A banknote size adjustment device includes a pair of assemblies cooperating with each other to form a space for accommodating banknotes, the size of the space being adjustable; and front and rear support frames. Each assembly includes a position-limiting plate, a reinforcing plate, a pair of latch plates and a pair of compression springs, the reinforcing plate is fixed to a bottom of the position-limiting plate, and the latch plate is arranged at one end of the position-limiting plate and the reinforcing plate and is sandwiched between the position-limiting plate and the reinforcing plate, the compression spring has one end fixed to the reinforcing plate or the position-limiting plate and another end connected to one end of the latch plate, and applies an elastic force to the latch plate, to allow another end of the latch plate to always maintain a tendency of being inserted into the positioning holes.
    Type: Application
    Filed: August 5, 2015
    Publication date: July 27, 2017
    Applicant: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Xiaogang ZENG, Qiuhua WENG, Dong TAN
  • Publication number: 20170193730
    Abstract: A linkage device is provided, which includes: a banknote stacking plate, a cover plate, a transmission mechanism and a driving mechanism. The first transmission component is mounted on the banknote stacking plate, and configured to drive the banknote stacking plate to rotate. The second transmission component and a spring are mounted on the cover plate, and the second transmission component is configured to drive the cover plate to rotate. The torque limiter is mounted on the first transmission component. The one way bearing is mounted on the second transmission component. The linkage device may prevent a customer from placing banknotes into a fault position when depositing the banknotes, and may also avoid problems of the internal structures such as the banknote separating mechanism, the impeller wheel type banknote stacking mechanism exposed being blocked by foreign matters disposed, or being damaged for other reasons.
    Type: Application
    Filed: July 9, 2015
    Publication date: July 6, 2017
    Applicant: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Sheng ZHAO, Meng GUO, Zhuang JIANG, Dong TAN
  • Publication number: 20170158458
    Abstract: A banknote-passing type banknote conveying device, used at a banknote inlet-outlet of an automatic teller machine, includes a mounting lateral plate, a banknote stacking mechanism, a banknote clamping and conveying mechanism, a pressing mechanism, a jacking mechanism, and a central control unit for controlling the operation of the above mechanisms. The banknote-passing type banknote conveying device uses a lifting motor and a connection rod to drive a lifting plate to move the banknotes up and down, and uses a pressing plate to move the banknotes back and forth. The functions of stacking and passing banknotes are achieved in an effective space. Moreover, a pull type electromagnet and a spring are used to control the opening and closing of the banknote clamping and conveying mechanism, thus a traditional motor control method and the like can be omitted, such that the cost is low, and the reliability is high.
    Type: Application
    Filed: July 27, 2015
    Publication date: June 8, 2017
    Applicant: GRG BANKING EQUIPMENT CO., LTD.
    Inventors: Yong YU, Qiuhua WENG, Dong TAN
  • Patent number: 9653982
    Abstract: Aspects include a power supply system. The system includes an oscillator system configured to generate a clock signal at a clock node. The oscillator system includes a comparator configured to compare a first variable voltage at a first comparator node and a second variable voltage at a second comparator node. The first and second variable voltages can have respective magnitudes that are based on a state of the clock signal. The system also includes a pulse-width modulation (PWM) generator configured to generate a PWM signal based on an error voltage and the clock signal. The system further includes a power stage configured to generate an output voltage based on the PWM signal.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: May 16, 2017
    Assignee: Northrop Grumman Systems Corporation
    Inventors: F. Dong Tan, Kwang M. Yi
  • Patent number: 9589408
    Abstract: A device for identifying thickness of a sheet-like medium and method thereof are provided. The device includes: a frame, a thickness shaft, a floating shaft and a sensor; where: both ends of the thickness shaft are arranged on the two lateral plates of the frame via bearings; both ends of the floating shaft are arranged on the two lateral plates of the frame via bearings and an outer surface of the floating shaft is tangently contacted with an outer surface of the thickness shaft; and the sensor is arranged on the facade of the frame, and configured to detect an amplitude of a point of tangency where the floating shaft is tangent to the thickness shaft.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: March 7, 2017
    Assignee: GRG Banking Equipment Co., Ltd.
    Inventors: Yang Chang, Guang Chen, Dong Tan
  • Patent number: 9569910
    Abstract: A banknote dispensing/receiving mechanism of a banknote processing device includes a housing and a baffle, the baffle is an elastic retaining piece, the elastic retaining piece has one end fixed with respect to the housing and another end being a free end, and the elastic retaining piece is located in the discharging route of banknotes. When the banknote dispensing/receiving mechanism operates, after the banknotes being discharged by a banknote-dispensing conveying mechanism, the banknotes fall onto the elastic retaining piece, and the elastic retaining piece provides a supporting force for the banknotes. When all the banknotes are discharged, the banknotes are pushed by a banknote pushing plate to apply a pushing force to the elastic retaining piece, and at this moment the elastic retaining piece generates a plastics deformation, which makes the banknotes and the banknote pushing plate pass through the elastic retaining piece together, to further perform subsequent operations.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: February 14, 2017
    Assignee: GRG Banking Equipment Co., Ltd.
    Inventors: Panfeng Luo, Dong Tan
  • Patent number: 9569909
    Abstract: A portable drum-type banknote box and an ATM having the portable drum-type banknote box. The portable drum-type banknote box includes a shell, a large winding drum gear, a small winding drum gear, a connecting socket and a self-locking mechanism. The self-locking mechanism includes an electromagnet, a first spring, a second spring, a first locking rod, a second locking rod and a pull rod. The upper end of the pull rod is installed to the electromagnet in a paired mode, and the lower end of the pull rod is movably connected with the first locking rod. The portable drum-type banknote box has a small size and light weight, is convenient to assemble/disassemble and move and is capable of performing audit work on multiple ATMs; and achieves a locking function so as to effectively prevent the banknotes from being exposed and rolled out by human.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: February 14, 2017
    Assignee: GRG Banking Equipment Co., Ltd.
    Inventors: Yin Xia, Dong Tan, Zhiqiang Sun, Zhuang Jiang
  • Patent number: 9487372
    Abstract: An impeller type banknote separation device includes a conveying impeller configured to separate banknotes, an impeller phase detecting sensor and a banknote conveying mechanism, and further includes at least one U-shaped sensor fixed on the conveying impeller and configured to detect whether a banknote enters the conveying impeller. The U-shaped sensor includes a signal transmitting end and a signal receiving end located at a same side of the conveying impeller, the signal transmitting end and the signal receiving end are spaced from each other with a certain interval and form an open end of the U-shaped sensor. The technical solution of detecting whether the banknote is inserted into the impeller by the U-shaped sensor to control the rotation of the conveying impeller has a higher accuracy compared with the conventional technology.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: November 8, 2016
    Assignee: GRG Banking Equipment Co., Ltd.
    Inventors: Qiuhua Weng, Dong Tan
  • Patent number: 9475599
    Abstract: A processing device of sheet mediums, in particular, a full-automatic stacking and bundling device of notes and the like. The bundling device mainly includes a sheet medium stacking mechanism, a bundling mechanism and a pinching mechanism, the bundling mechanism mainly including a paper belt looping mechanism, a hot-pressing and bonding mechanism and a paper belt cutting-off mechanism. The paper belt looping mechanism includes a guide groove for guiding the paper belt; the head and the tail of the guide groove are connected to form a conveying loop; an opening of the guide groove faces an inner side of the conveying loop; a bottom part of the guide groove is provided with a paper-belt inserting port and at least one paper-belt conveying wheel; and an opening end of a side wall of the guide groove is provided with an elastic guide piece parallel to the bottom part of the guide groove. The stacking and bundling device also includes a pressing mechanism in bundling and a leveling mechanism after bundling.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: October 25, 2016
    Assignee: GRG Banking Equipment Co., Ltd.
    Inventors: Heng Liu, Dong Tan, En Wu
  • Publication number: 20160260277
    Abstract: An impeller type paper money temporary storage mechanism comprises a transmission component, an impeller component, a temporary storage area and a roller component. The transmission component is used for conveying paper money to the impeller component, and comprises an upper belt transmission mechanism and lower belt transmission mechanism, the upper belt transmission mechanism and the lower belt transmission mechanism construct a transmission channel; the temporary storage area comprises a baffle plate and a temporary storage channel, the baffle plate is connected with the temporary storage channel, is arranged between the temporary storage channel and the impeller component, and is used for intercepting paper money from a transfer channel in the temporary storage channel.
    Type: Application
    Filed: January 29, 2014
    Publication date: September 8, 2016
    Applicant: GRG Banking Equipment Co., Ltd.
    Inventors: Qiuhua WENG, Dong TAN
  • Publication number: 20160240030
    Abstract: A portable drum-type banknote box and an ATM having the portable drum-type banknote box. The portable drum-type banknote box includes a shell, a large winding drum gear, a small winding drum gear, a connecting socket and a self-locking mechanism. The self-locking mechanism includes an electromagnet, a first spring, a second spring, a first locking rod, a second locking rod and a pull rod. The upper end of the pull rod is installed to the electromagnet in a paired mode, and the lower end of the pull rod is movably connected with the first locking rod. The portable drum-type banknote box has a small size and light weight, is convenient to assemble/disassemble and move and is capable of performing audit work on multiple ATMs; and achieves a locking function so as to effectively prevent the banknotes from being exposed and rolled out by human.
    Type: Application
    Filed: November 21, 2014
    Publication date: August 18, 2016
    Applicant: GRG Banking Equipment Co., Ltd.
    Inventors: Yin Xia, Dong Tan, Zhiqiang Sun, Zhuang Jiang
  • Patent number: 9413220
    Abstract: One aspect includes power supply systems. The system includes an error amplifier system configured to generate an error voltage based on a feedback voltage of the power supply system relative to a reference voltage. The system also includes a PWM generator comprising a comparator configured to generate a PWM signal based on the error voltage and a ramp signal. The system further includes a power stage configured to generate the output voltage based on the PWM signal, the power stage comprising a transconductance amplifier configured to generate a temperature-compensated sense current associated with a magnitude of an output current associated with power stage. The ramp signal being generated based on the temperature-compensated sense current.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: August 9, 2016
    Assignee: Northrop Grumman Systems Corporation
    Inventors: F. Dong Tan, Kwang M. Yi