Patents by Inventor Sing King Ng

Sing King Ng 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).

  • Circuit and method for electronic security seal
    Publication number: 20030189491
    Abstract: Disclosed is an electronic circuit for an electronic seal of an identification system, wherein the seal is for communicating with a reader of the identification system, the seal including a bolt, the bolt including a shank and a housing that defines a cavity for receiving the shank. The electronic circuit includes: a controller having an input channel for receiving a first signal indicative of a status of the shank, and for generating a second signal based on the first signal; and a transmitter in communication with the controller for transmitting the second signal to the reader.
    Type: Application
    Filed: March 25, 2003
    Publication date: October 9, 2003
    Inventor: Sing King Ng
  • Circuit and method for electronic security seal
    Publication number: 20030011474
    Abstract: Disclosed is an electronic circuit for an electronic seal of an identification system, wherein the seal is for communicating with a reader of the identification system, the seal including a bolt, the bolt including a shank and a housing that defines a cavity for receiving the shank. The electronic circuit includes: a controller having an input channel for receiving a first signal indicative of a status of the shank, and for generating a second signal based on the first signal; and a transmitter in communication with the controller for transmitting the second signal to the reader.
    Type: Application
    Filed: July 13, 2001
    Publication date: January 16, 2003
    Inventor: Sing King Ng