Patents Represented by Law Firm Townsend and Townsend Kohourie and Crew
  • Patent number: 5317212
    Abstract: A method and device for performing logic functions. A logic array (1) is controlled by a plurality of DRAM cells (101). The DRAM cells are, in preferred embodiments, loaded in a serial fashion with a shift register (1205). Refresh according to one aspect of the invention utilizes a shift register (1201) with a circulating "0." A charge pump circuit, voltage boost circuit, and a variety of memory cell/logic array configurations are also disclosed.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: May 31, 1994
    Inventor: Sven E. Wahlstrom
  • Patent number: D347364
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: May 31, 1994
    Assignee: David H. van de Velde
    Inventors: David H. van de Velde, Anthony Y. Guido