Patents by Inventor Ou Zhang

Ou Zhang 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: 20220140562
    Abstract: A optical path structure and a cross line laser comprising the same are provided. The optical path structure comprises a laser emitter (1) for emitting laser light, and the following devices arranged sequentially along the direction of the optical path of the laser light: an aspherical mirror (2), a first beamsplitter (31) and a second beamsplitter (32), a wedge-shaped mirror (4), and a cylindrical mirror (5). The advantages of the present invention are that: 1) the angle of the incident surface (41) of the wedge-shaped mirror (4) is reasonably set such that the light ray reflected by the incident surface (41) of the wedge-shaped mirror (4) cannot emit onto the beamsplitters (31, 32), or even if it emits onto the beamsplitters (31, 32), there is no interference with the reflected light rays (61, 63) by the beamsplitters (31, 32), avoiding the multiple-point phenomenon; 2) the structure of the wedge-shaped mirror (4) is reasonably set such that the breakpoints in the projected laser light line are eliminated.
    Type: Application
    Filed: March 31, 2020
    Publication date: May 5, 2022
    Inventors: Ou Zhang, Kai Fei
  • Publication number: 20210190948
    Abstract: A measuring tool (10) comprises a laser level (11) and a distance meter (12); the measuring tool (10) comprises a limit means located on one of the laser level (11) and the distance meter (12), and employed for the superposition of the laser level (11) and the distance meter (12); when located on the laser level (11), the limit means comprises protruding strips (13) on the two lateral edges of the laser level (11), wherein the distance between the protruding strips (13) is equivalent to the width in the radial direction of the distance meter(12), such that the distance meter(12) is caught between the protruding strips. A compact and portable measuring tool (10), comprises a small-scaled laser level (11) and a small-scaled distance meter (12), which can not only be employed individually for implementing their respective function, but also combined and matched with each other to project lines and measure distance at the same time, thereby achieving unexpected beneficial effects.
    Type: Application
    Filed: July 11, 2017
    Publication date: June 24, 2021
    Inventors: Ou ZHANG, Jun WU
  • Publication number: 20210086764
    Abstract: Disclosed is a detection system and a detection method for detecting external environment information of a vehicle.
    Type: Application
    Filed: December 29, 2018
    Publication date: March 25, 2021
    Inventors: Ou ZHANG, Yaping ZHU
  • Publication number: 20210080346
    Abstract: The invention discloses a laser collimation-measuring system. The laser collimation-measuring system includes a first laser source (1) and further includes a second laser source (2) and a light combining device (3), wherein the first laser source (1) and the second laser source (2) respectively emit first laser (8) and second laser (9) to the light combining device (3); third laser (10) and fourth laser (11) are respectively generated after the first laser (8) and the second laser (9) pass through the light combining device (3); and the third laser (10) partially overlaps the fourth laser (11). In the prior art, single laser source emits laser to measure collimation, which brings the problem that since the laser emitted from the single laser source is elliptic, an error may occur often due to non-uniformity of two sides of the laser during collimation measurement; in addition, the laser emitted from the single laser source has low intensity and is prone to interference.
    Type: Application
    Filed: December 29, 2018
    Publication date: March 18, 2021
    Inventors: Ou ZHANG, Xiaoming ZONG, Ding DING
  • Patent number: 10841093
    Abstract: Managing access to instances on a public cloud can include in responding to a request from a user to create a support account for a target instance on a public network. A process can include generating a key pair including a public key and a private key, creating, in the target instance, a support account, and associating the public key with the target instance. Access to the private key can be provided to facilitate a connection to the target instance through the support account. Temporary credentials can be generated and associated with the target instance. Upon expiration of the temporary credentials, the support account can be disabled by removing the support account from the target instance and disassociating the public key with the target instance.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: November 17, 2020
    Assignee: EMC IP HOLDING COMPANY LLC
    Inventors: Hui Li, Fangyuan Lin, Rui Guo, Ou Zhang, Xiaohui Wang, Min Han
  • Publication number: 20200233063
    Abstract: A high-speed laser distance measuring device is described that includes an emitting part and a receiving part. The emitting part can include a polarizer (2) arranged between a light emitting tube (1) and a reflective mirror (3); the receiving part can further include a polarizing beamsplitter (7) arranged between the optical filter (6) and the receiving tube set. The light emitting tube (1) can emit an outgoing light beam to the polarizer (2), and the outgoing light beam can form an outgoing polarized light beam and is transmitted into the reflective mirror (3). After being reflected by the reflective mirror (3) and passing through the transmitting objective lens (4), the outgoing polarized light beam can be transmitted onto a target object. After being reflected by the target object, the outgoing polarized light beam can form a reflected polarized light beam, which passes through the receiving objective lens set (5) and is transmitted to the optical filter (6).
    Type: Application
    Filed: August 15, 2017
    Publication date: July 23, 2020
    Inventors: Ou ZHANG, Yaping ZHU
  • Publication number: 20200192207
    Abstract: A laser point projecting device is described that includes a light source assembly that projects a first positioning point and a second positioning point respectively along two directions of a straight line. The laser point projecting device can include a housing part and a body part, wherein the housing part is sleeved on the periphery of a body part, and the body part and the housing part are displaceable relative to each other. When the body part displaces to a first position along the direction of projecting the first positioning point, the light source assembly is switched off; when the body part displaces to a second position along the direction of projecting the second positioning point, the light source assembly is activated.
    Type: Application
    Filed: June 1, 2018
    Publication date: June 18, 2020
    Inventor: Ou ZHANG
  • Publication number: 20200174128
    Abstract: A laser distance measuring device and a method of use thereof are described. The laser distance measuring device can include an emitting unit (4), a reflecting mirror (3), an emitting lens (2), a receiving lens (1), and a receiving unit (8); the laser distance measuring device can further include: at least one spectroscope (7) provided between the receiving lens (1) and the receiving unit (8), which is arranged successively on the same optical propagation path; at least one spectrum receiving unit (9) arranged in a one-to-one correspondence with the spectroscope (7). The technical solution has a wider measurement range and is adaptable to measured targets in different distances; a multiplicity of feedbacks and adjustments is not necessary, and the acquirement of the measurement data can be achieved in a short time, therefore the operating time is saved.
    Type: Application
    Filed: August 15, 2017
    Publication date: June 4, 2020
    Inventors: Ou ZHANG, Yaping ZHU
  • Publication number: 20200044847
    Abstract: Managing access to instances on a public cloud can include in responding to a request from a user to create a support account for a target instance on a public network. A process can include generating a key pair including a public key and a private key, creating, in the target instance, a support account, and associating the public key with the target instance. Access to the private key can be provided to facilitate a connection to the target instance through the support account. Temporary credentials can be generated and associated with the target instance. Upon expiration of the temporary credentials, the support account can be disabled by removing the support account from the target instance and disassociating the public key with the target instance.
    Type: Application
    Filed: August 31, 2018
    Publication date: February 6, 2020
    Inventors: Hui LI, Fangyuan LIN, Rui GUO, Ou ZHANG, Xiaohui WANG, Min HAN
  • Publication number: 20190162536
    Abstract: A laser level ruler, comprising a housing (1). A laser emission module (2), a ranging module (5), a power supply module (4) and an angle measurement module (3) are arranged in the housing (1), wherein the power supply module (4) supplies power to the laser emission module (2), the ranging module (5) and the angle measurement module (4); the laser emission module (2) and the ranging module (5) are arranged at both ends of the housing; and the power supply module (4) and the angle measurement module (3) are arranged between the laser emission module (2) and the ranging module (5).
    Type: Application
    Filed: December 26, 2016
    Publication date: May 30, 2019
    Inventors: Ou ZHANG, Jianyong WANG, Jun MIN, Hongjun ZHU
  • Patent number: 9952402
    Abstract: An adjusting mechanism is disclosed. The adjusting mechanism has a differential, first and second stepping motors engaging with the differential, a screw rod connected to the output shaft of the differential such that the screw rod rotates along with the rotation of the output shaft, and a moving block threadably connected to the screw rod to permit motion of the moving block along the longitudinal axis of the screw rod. The output shaft of the adjusting mechanism rotates according to the rotation of the first and second stepping motors, so as to drive the movement of the moving block along the screw rod.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: April 24, 2018
    Assignee: Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd.
    Inventors: Ou Zhang, Dongdong Peng
  • Patent number: 9791271
    Abstract: A window for a laser line projector has a front window, a left window, and a right window positioned on the same plane. A projection of the front window, left window and right window has a shape of an isosceles trapezoid. The projection of the front window is an upper base of the isosceles trapezoid. The projections of the left window and right window are opposite legs of the isosceles trapezoid.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: October 17, 2017
    Assignee: Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd
    Inventors: Ou Zhang, Kai Fei
  • Publication number: 20170149208
    Abstract: A laser control circuit, comprising at least two laser tubes and a control unit controlling the at least two laser tubes respectively; the control unit sends control signals to the at least two laser tubes to control startup/shutdown thereof. The control unit comprises: a main pulse signal generator and a logic control unit; the main pulse signal generator, the logic control unit and the at least two laser tubes are connected successively; and the logic control unit classifies the control signals into different types of control signals and sends to the at least two laser tubes, causing the at least two laser tubes to present different working conditions. The laser control circuit has more flexible control over the laser tubes, reduces working current of the laser tubes and allows the working current to be steadier, thus avoiding peak interference.
    Type: Application
    Filed: February 13, 2015
    Publication date: May 25, 2017
    Applicant: CHANGZHOU HUADA KEJIE OPTO-ELECTRO INSTRUMENT CO., LTD.
    Inventors: Ou ZHANG, Qing NIU, Junjie FU
  • Patent number: 9478884
    Abstract: An electrical connector including an insulative housing defining a mating port in a transverse direction, a top wall and a bottom wall horizontally extending in two sides of the mating port, and a number of terminal passageways; and a terminal module received in the insulative housing, the terminal module comprising an insulative plate extending along the transverse direction and a number of conductive terminals insert molded in the insulative plate, the conductive terminal having a fixed section in the insulative plate and a contact section extending from the fixed section and received in a corresponding terminal passageway, the conductive terminals comprising a number of pairs of differential signal terminals for transmitting differential signal; wherein the insulative plate has a number of slots, the slot having two opposite edges, the pair of signal terminals having closer inner edges, the inner edge being between two opposite edges of the slot.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: October 25, 2016
    Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Kuei-Chung Tsai, Yue-Ou Zhang
  • Patent number: 9316498
    Abstract: A cross line laser (100) comprises a shell and a hanging system (101). The hanging system has two laser modules (110) arranged oppositely on a same plane. Each laser module comprises a laser device (121), a collimation device (130), and a cylindrical lens (140). The cylindrical lens has a high refraction index. Lasers emitted by the laser device passes through the collimation device and are incident on the cylindrical lens, and are split by the cylindrical lens to form laser rays with a diffusion angle approximately larger than 180 degrees. Horizontal laser rays generated by the two laser modules intersect with each other, so as to form laser rays with a diffusion angle of 360 degrees.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: April 19, 2016
    Assignee: Changzhou Huada Kejie Opto-Electro Instrument Co., LTD.
    Inventors: Ou Zhang, Kai Fei
  • Publication number: 20160103295
    Abstract: An adjusting mechanism is disclosed. The adjusting mechanism has a differential, first and second stepping motors engaging with the differential, a screw rod connected to the output shaft of the differential such that the screw rod rotates along with the rotation of the output shaft, and a moving block threadably connected to the screw rod to permit motion of the moving block along the longitudinal axis of the screw rod. The output shaft of the adjusting mechanism rotates according to the rotation of the first and second stepping motors, so as to drive the movement of the moving block along the screw rod.
    Type: Application
    Filed: October 16, 2015
    Publication date: April 14, 2016
    Applicant: Changzhou Huada Kejie Opto-Electro Instrument Co., Ltd
    Inventors: Ou Zhang, Dongdong Peng
  • Publication number: 20150340839
    Abstract: A laser module control circuit comprises a laser module circuit, wherein the laser module circuit is connected in parallel with a first control sub-circuit and a second control sub-circuit, with a first triode arranged in the first control sub-circuit and a second triode arranged in the second control sub-circuit, while the collector electrode of the first and second triodes is connected with the laser module circuit. The base electrode thereof is connected with the CPU, and the emitter electrode thereof is connected to the ground.
    Type: Application
    Filed: July 15, 2013
    Publication date: November 26, 2015
    Inventors: Ou Zhang, Hongjun Zhu, Dongdong Peng, Qing Niu
  • Publication number: 20150268044
    Abstract: A window for a laser line projector has a front window, a left window, and a right window positioned on the same plane. A projection of the front window, left window and right window has a shape of an isosceles trapezoid. The projection of the front window is an upper base of the isosceles trapezoid. The projections of the left window and right window are opposite legs of the isosceles trapezoid.
    Type: Application
    Filed: June 5, 2015
    Publication date: September 24, 2015
    Applicant: Changzhou Huada Kejie Opto-Electro Instruction Co. Ltd
    Inventors: Ou Zhang, Kai Fei
  • Publication number: 20150140866
    Abstract: An electrical connector including an insulative housing defining a mating port in a transverse direction, a top wall and a bottom wall horizontally extending in two sides of the mating port, and a number of terminal passageways; and a terminal module received in the insulative housing, the terminal module comprising an insulative plate extending along the transverse direction and a number of conductive terminals insert molded in the insulative plate, the conductive terminal having a fixed section in the insulative plate and a contact section extending from the fixed section and received in a corresponding terminal passageway, the conductive terminals comprising a number of pairs of differential signal terminals for transmitting differential signal; wherein the insulative plate has a number of slots, the slot having two opposite edges, the pair of signal terminals having closer inner edges, the inner edge being between two opposite edges of the slot.
    Type: Application
    Filed: November 20, 2014
    Publication date: May 21, 2015
    Inventors: KUEI-CHUNG TSAI, YUE-OU ZHANG
  • Publication number: 20150052763
    Abstract: A cross line laser (100) comprises a shell and a hanging system (101). The hanging system has two laser modules (110) arranged oppositely on a same plane. Each laser module comprises a laser device (121), a collimation device (130), and a cylindrical lens (140). The cylindrical lens has a high refraction index. Lasers emitted by the laser device passes through the collimation device and are incident on the cylindrical lens, and are split by the cylindrical lens to form laser rays with a diffusion angle approximately larger than 180 degrees. Horizontal laser rays generated by the two laser modules intersect with each other, so as to form laser rays with a diffusion angle of 360 degrees.
    Type: Application
    Filed: December 10, 2012
    Publication date: February 26, 2015
    Inventors: Ou Zhang, Kai Fei