Patents Assigned to Chung Nam Electronics Co., Ltd.
  • Radio frequency identification (RFID) system
    Patent number: 7741965
    Abstract: A group of technologies related to RFID reader and tag are described, including: redundant networked multimedia RFID reader, auto-ranging RFID reader, auto-planning RFID reader, smart active antenna RFID reader and novel RFID tags. These enabling technologies bring RFID reader operations into a new level of automation, capability and ease of implementation.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: June 22, 2010
    Assignee: Chung Nam Electronics Co., Ltd.
    Inventors: Kin Yue Albert Lai, On Yung Timmy Wong, Tak Ki Peter Wan, Hon Fai Eric Wong, Ngai Ming Tsang, Pak Yip Tony Ma, Ping Man Jeff Ko, Chi Chiu David Cheung
  • RFID Technology
    Publication number: 20090231138
    Abstract: A method of selectively waking up a plurality of RFID tags includes (a) providing a first RFID tag; (b) programming the first RFID tag to respond and wake up only to signals at a first sub-carrier frequency or with a first code; (c) providing a second RFID tag; and (d) programming the second RFID tag to respond and wake up only to signals at a second sub-carrier frequency or with a second code.
    Type: Application
    Filed: March 14, 2008
    Publication date: September 17, 2009
    Applicant: CHUNG NAM ELECTRONICS CO. LTD.
    Inventors: Kin Yue Albert LAI, Siu Chong TIN, On Yung Timmy WONG, Chi Chiu CHEUNG