Patents by Inventor Yiu-Wah Eric Cheng

Yiu-Wah Eric Cheng 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).

  • Controller for selective call receiver having memory for storing control information, plurality of addresses, status information, receive address information, and message
    Patent number: 5701414
    Abstract: A memory 220 comprising address register 305, control register 310, status register 315, message register 320, and receive address register information register 325, are coupled to a decoder 240 and a microcontroller 250 via a parallel bus 235 and 230. The microcontroller 250 controlling the operation of the decoder 240 to receive and decode a selective call signal from the receiver circuitry 102, the microcontroller 250 communicating with the decoder 240 by storing and retrieving information in the registers in the memory 220. The decoder 240 communicating with the microcontroller 240 by storing and retrieving information in the registers in the memory 220.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: December 23, 1997
    Assignee: Motorola, Inc.
    Inventors: Yiu-Wah Eric Cheng, Wei-Jen Jim Du, Shou-Yuan Richard Huang