Patents by Inventor Dian Wang

Dian Wang 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: 20250132483
    Abstract: The present application discloses a conversion apparatus from a chip package to a waveguide, a radio frequency apparatus and a radar apparatus. The conversion apparatus includes: a first metal layer as a metal ground layer, a second metal layer, a third metal layer, a shielding metallization via, a conversion via, and a dielectric substrate disposed between different metal layers to function as a support; the second metal layer is configured to lay an RF trace; the third metal layer is configured to dispose a patch element; a capacitance formed between the RF trace and patch element introduces capacitance characteristic; multiple shielding metallization vias are ground vias around the patch element and RF trace for guiding RF signal propagation; at least one conversion metallization via is disposed on one end of the RF trace close to the patch element, for connecting the RF trace and patch element and introducing inductance characteristic.
    Type: Application
    Filed: December 30, 2024
    Publication date: April 24, 2025
    Applicant: CALTERAH SEMICONDUCTOR TECHNOLOGY (SHANGHAI) CO., LTD
    Inventors: Zhefan CHEN, Dian WANG, Kaijie ZHUANG, Xuejuan HUANG, Shan LI, Chenwu YU
  • Publication number: 20240339751
    Abstract: The antenna includes: a first antenna structure extending along a first direction and having a first side and a second side. The antenna further includes multiple second antenna structures arranged along the first direction, where each of the multiple second antenna structures is connected to the first side and extends in a direction opposite to the second direction with an extension length of k1×(?/2). The antenna further includes multiple third antenna structures arranged along the first direction, where each of the multiple third antenna structures is connected to the second surface and extends along the second direction with an extension length of k2×(?/2). The multiple second antenna structures and the multiple third antenna structures are arranged alternatingly along the first direction. One of k1 and k2 is a positive integer greater than 1, and the other is a positive integer greater than or equal to 1.
    Type: Application
    Filed: June 13, 2024
    Publication date: October 10, 2024
    Inventors: Kaijie ZHUANG, Zhefan CHEN, Shan LI, Xuejuan HUANG, Chenwu YU, Dian WANG
  • Patent number: 12087999
    Abstract: The present disclosure provides a package antenna and a radar assembly package. The package antenna includes a first antenna and a second antenna adjacent to the first antenna. Directivity of electromagnetic wave from the package antenna is achieved through the cancelation of radiation fields from the first and second antennas.
    Type: Grant
    Filed: April 28, 2019
    Date of Patent: September 10, 2024
    Assignee: CALTERAH SEMICONDUCTOR TECHNOLOGY (SHANGHAI) TECHNOLOGY CO., LTD.
    Inventors: Dian Wang, Shan Li
  • Publication number: 20240259116
    Abstract: The present disclosure provides an antenna in package, a RF chip, a test device and a test method. The antenna in package includes at least one antenna, one or more coupling structures and at least one testing terminal. The at least one antenna, the one or more coupling structures and the at least one testing terminal are disposed in a package body. The one or more coupling structures are coupled to one or more radiation units of the at least one antenna, and each coupling structure of the one or more coupling structures is coupled to a respective testing terminal of the at least one testing terminal. The one or more coupling structures are configured to transmit RF test signals of a RF link in which the one or more radiation units are disposed during testing the RF link.
    Type: Application
    Filed: April 10, 2024
    Publication date: August 1, 2024
    Inventors: Shan LI, Kaijie ZHUANG, Zhefan CHEN, Xuejuan HUANG, Dian WANG
  • Publication number: 20230238706
    Abstract: An onboard antenna, a radio equipment and an electronic device. The onboard antenna includes a dielectric substrate, an antenna and a metal block, wherein the antenna is located on the dielectric substrate, a projection of the metal block on a plane where the dielectric substrate is located is not overlapped with a projection of the antenna on the plane where the dielectric substrate is located, the metal block is located on the dielectric substrate in a polarization direction of the antenna, and a distance between a metal edge of the metal block on a side close to the antenna and the antenna is greater than a coupling threshold. Using this onboard antenna, an influence of surface waves on the pattern can be suppressed to a certain extent by arranging the metal block, and a jitter of the antenna pattern can be reduced.
    Type: Application
    Filed: February 27, 2023
    Publication date: July 27, 2023
    Applicant: CALTERAH SEMICONDUCTOR TECHNOLOGY (SHANGHAI) CO., LTD
    Inventors: Xuejuan HUANG, Dian WANG, Shan LI, Zhefan CHEN, Kaijie ZHUANG
  • Publication number: 20230234851
    Abstract: A boron-sulfur-codoped porous carbon material and a preparation method is disclosed. The boron-sulfur-codoped porous carbon material includes a porous carbon, and B and S doped in the surface and pores of the porous carbon; where B has a doping content of 5.56 wt.% to 7.85 wt.%, and S has a doping content of 0.90 wt.% to 1.55 wt.%. Test results of examples show that the boron-sulfur-codoped porous carbon material has high doping contents of B and S, and abundant pores; in a three-electrode system, the material shows a maximum specific capacitance of 168 F·g- 1 to 290.7 F·g-1 at 0.5 A·g-1; after the material is assembled into a symmetrical supercapacitor, the supercapacitor has an ultra-high energy density of 11.3 Wh·kg-1 to 16.65 Wh·kg-1 in a neutral electrolyte system, and has a capacitance retention rate of 97.09% to 100.67% after 10,000 life tests.
    Type: Application
    Filed: August 23, 2022
    Publication date: July 27, 2023
    Applicant: Northwest Minzu University
    Inventors: Qiong SU, Yanbin WANG, Zhaoxia LI, Dian WANG, Shaofeng PANG, Shuhe KANG, Xiangfei ZHAO, Shuai WEI, Xiaoting XI, Yu TIAN, Qing WANG, Qi CHEN, Zhongxu WANG, Lichun LIANG, Lihui KANG, Shijun CAO
  • Publication number: 20230208000
    Abstract: An attenuation apparatus and a test system. The attenuation apparatus includes a signal transmission channel and at least one radiation loss structure, wherein the signal transmission channel is configured to perform transmission attenuation on the energy of a transmitted signal; the radiation loss structure is arranged in the signal transmission channel; the radiation loss structure has a first operating state and a second operating state; when the radiation loss structure is in the first operating state, the radiation loss structure is configured to perform radiation attenuation on the energy of a signal transmitted by the signal transmission channel; and when the radiation loss structure is in the second operating state, the radiation loss structure is configured to perform transmission attenuation on the energy of the signal transmitted by the signal transmission channel.
    Type: Application
    Filed: February 24, 2023
    Publication date: June 29, 2023
    Applicant: CALTERAH SEMICONDUCTOR TECHNOLOGY (SHANGHAI) CO., LTD
    Inventors: Zhefan CHEN, Dian WANG, Shan LI, Kaijie ZHUANG, Xuejuan HUANG
  • Publication number: 20230198134
    Abstract: A microstrip antenna, an antenna array, a radar, and a vehicle are provided. The microstrip antenna includes: a dielectric layer, and a metal layer and a ground plane layer disposed at two sides of the dielectric layer, wherein the metal layer includes a first radiation patch and a feeding portion; a length of a long side edge of the first radiation patch is determined based on an operating wavelength of the microstrip antenna, and a length of a short side edge of the first radiation patch is smaller than the length of the long side edge; the feeding portion is coupled between a center position of the long side edge of the first radiation patch and a short side edge, and the feeding portion is configured to transmit a high frequency signal to the first radiation patch or to transmit a space radiation signal received by the first radiation patch.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 22, 2023
    Applicant: CALTERAH SEMICONDUCTOR TECHNOLOGY (SHANGHAI) CO., LTD
    Inventors: Kaijie ZHUANG, Shan LI, Zhefan CHEN, Xuejuan HUANG, Chenwu YU, Dian WANG
  • Patent number: 11534485
    Abstract: Provided is a protein having Toxoplasma immunogenicity, the protein being a cyclophilin mutant protein and consisting of the amino acid sequence as shown in SED 2. Further provided is a nucleic acid that may encode a protein having Toxoplasma immunogenicity, which has the nucleic acid sequence as shown in SEQ ID NO. 1. Further provided is a vaccine, which is obtained by double-digesting a Toxoplasma antigen gene and then linking the same to a prokaryotic expression vector such as pET28a, and transforming the same into a prokaryotic expression engineering strain such as BL21(DE3), thereby inducing the high-efficiency expression thereof, wherein the inducing the high-efficiency expression thereof, wherein the purified protein is a soluble protein which maintains specific immunogenicity thereof.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: December 27, 2022
    Inventors: Feng Hou, Lili Cao, Pengtao Gong, Siming Li, Xingyuan Chen, He Ding, Dian Wang
  • Publication number: 20220209392
    Abstract: The present disclosure provides a package antenna and a radar assembly package. The package antenna includes a first antenna and a second antenna adjacent to the first antenna. Directivity of electromagnetic wave from the package antenna is achieved through the cancelation of radiation fields from the first and second antennas.
    Type: Application
    Filed: April 28, 2019
    Publication date: June 30, 2022
    Inventors: Dian WANG, Shan LI
  • Publication number: 20220040273
    Abstract: Provided is a protein having Toxoplasma immunogenicity, the protein being a cyclophilin mutant protein and consisting of the amino acid sequence as shown in SED 2. Further provided is a nucleic acid that may encode a protein having Toxoplasma immunogenicity, which has the nucleic acid sequence as shown in SEQ ID NO. 1. Further provided is a vaccine, which is obtained by double-digesting a Toxoplasma antigen gene and then linking the same to a prokaryotic expression vector such as pET28a, and transforming the same into a prokaryotic expression engineering strain such as BL21(DE3), thereby inducing the high-efficiency expression thereof, wherein the inducing the high-efficiency expression thereof, wherein the purified protein is a soluble protein which maintains specific immunogenicity thereof.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 10, 2022
    Inventors: Feng HOU, Lili CAO, Pengtao GONG, Siming LI, Xingyuan CHEN, He DING, Dian WANG
  • Patent number: 11205838
    Abstract: An antenna includes a substrate and a dipole antenna disposed on a surface of the substrate. The dipole antenna includes a first metal structure and a second metal structure arranged symmetrically with respect to each other. The first metal structure includes a head proximal to the second metal structure, and a tail distal from the second metal structure. A width of the first metal structure varies between the head and the tail.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: December 21, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Dian Wang, Meng Hu, Jianping Wei
  • Patent number: 11171412
    Abstract: An unmanned aerial vehicle (UAV) includes a fuselage, a power system arranged at the fuselage, and an antenna assembly arranged at the fuselage. The antenna assembly includes an antenna operating in a first frequency band and a second frequency band different from each other, a first parasitic unit configured to change a radiation direction of the antenna in the first frequency band, and a second parasitic unit configured to change a radiation direction of the antenna in the second frequency band.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: November 9, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Chao Lv, Dian Wang, Han Huang, Meng Hu, Jianping Wei
  • Publication number: 20190221923
    Abstract: An unmanned aerial vehicle (UAV) includes a fuselage, a power system arranged at the fuselage, and an antenna assembly arranged at the fuselage. The antenna assembly includes an antenna operating in a first frequency band and a second frequency band different from each other, a first parasitic unit configured to change a radiation direction of the antenna in the first frequency band, and a second parasitic unit configured to change a radiation direction of the antenna in the second frequency band.
    Type: Application
    Filed: March 26, 2019
    Publication date: July 18, 2019
    Inventors: Chao LV, Dian WANG, Han HUANG, Meng HU, Jianping WEI
  • Publication number: 20190036204
    Abstract: An antenna includes a substrate and a dipole antenna disposed on a surface of the substrate. The dipole antenna includes a first metal structure and a second metal structure arranged symmetrically with respect to each other. The first metal structure includes a head proximal to the second metal structure, and a tail distal from the second metal structure. A width of the first metal structure varies between the head and the tail.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 31, 2019
    Inventors: Dian WANG, Meng HU, Jianping WEI
  • Patent number: 9852090
    Abstract: In one embodiment, a method of performing an active polling operation can include: (i) detecting a self-timed operation that is to be executed on a serial memory device; (ii) determining if an active polling mode has been enabled; (iii) determining when the self-timed operation has completed execution on the serial memory device; and (iv) providing a completion indication external to the serial memory device when the self-timed operation has completed execution and the active polling mode is enabled.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: December 26, 2017
    Assignee: Adesto Technologies Corporation
    Inventors: Paul Hill, Stephen T. Trinh, Dian Wang
  • Publication number: 20150293864
    Abstract: In one embodiment, a method of performing an active polling operation can include: (i) detecting a self-timed operation that is to be executed on a serial memory device; (ii) determining if an active polling mode has been enabled; (iii) determining when the self-timed operation has completed execution on the serial memory device; and (iv) providing a completion indication external to the serial memory device when the self-timed operation has completed execution and the active polling mode is enabled.
    Type: Application
    Filed: October 16, 2014
    Publication date: October 15, 2015
    Inventors: Paul Hill, Stephen T. Trinh, Dian Wang
  • Patent number: 9094996
    Abstract: A radio base station and a method therein are provided for allocating measurement gaps within a MGRP to UEs currently being served by the base station, wherein consideration is taken to the impact a measurement gap has on the HARQ processes. A plurality of possible measurement gaps are identified within the MGRP with regards to their starting point and duration in time within the MGRP. A number of HARQ processes that would be affected due to the identified measurement gaps with regards to a starting point in time of the identified measurement gaps during the MGRP are determined for the identified measurement gaps. The identified measurement gaps are ranked depending on the number of HARQ processes which would be affected during the MGRP and the identified measurement gaps are allocated to the UEs based on the ranking.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: July 28, 2015
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Yang Tian, Dian Wang, Huaisong Zhu
  • Publication number: 20140010189
    Abstract: A radio base station and a method therein are provided for allocating measurement gaps within a MGRP to UEs currently being served by the base station, wherein consideration is taken to the impact a measurement gap has on the HARQ processes. A plurality of possible measurement gaps are identified within the MGRP with regards to their starting point and duration in time within the MGRP. A number of HARQ processes that would be affected due to the identified measurement gaps with regards to a starting point in time of the identified measurement gaps during the MGRP are determined for the identified measurement gaps. The identified measurement gaps are ranked depending on the number of HARQ processes which would be affected during the MGRP and the identified measurement gaps are allocated to the UEs based on the ranking.
    Type: Application
    Filed: March 15, 2011
    Publication date: January 9, 2014
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    Inventors: Yang Tian, Dian Wang, Huaisong Zhu
  • Publication number: 20100211729
    Abstract: A method and an apparatus for reading and writing data are disclosed. The method includes: storing a request in a bank queue; comparing weight values of different banks in the bank queue, wherein the different banks comply with a time sequence parameter; and scheduling the bank queue according to the comparison result. With the embodiments of the present invention, the operation sequence may be optimized, and the buffer efficiency may be greatly improved.
    Type: Application
    Filed: May 3, 2010
    Publication date: August 19, 2010
    Inventors: Dian Wang, Guicheng Fan