Patents by Inventor Michael K. Maul

Michael K. Maul 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).

  • Patent number: 4525776
    Abstract: A digital computer is arranged to process data through an arithmetic logic unit in response to instructions residing sequentially in an instruction register, each instruction requiring a single instruction interval for fetching data from a selected source in a store, processing the data in the arithmetic logic unit, and storing the result of processing the data into a selected destination in the store. Means are provided for moving a single bit from any selected one of a plurality of bit positions in the selected source to any selected bit position of a plurality of bit positions in the selected destination during a single instruction interval without affecting the state of any other bit of the selected destination.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: June 25, 1985
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Ismail I. Eldumiati, Michael K. Maul
  • Patent number: 4230958
    Abstract: This invention involves a detector circuit in MOS technology for sensing "loss of clock"; that is, whenever a clock input voltage pulse source is interrupted or stops (becomes "stuck") at any level, the output voltage of the detector circuit is at a high level, but is at a low level when the clock is working properly. Such a circuit is achieved by means of a first MOS electrical inverter (I.sub.1), connected for feeding its output to an MOS electrical differentiator (.DELTA.), connector for feeding its output to a thresholding MOS amplifier (A), connected for feeding its output to a unidirectional MOS current inhibitor (D), connected for feeding its output to a second MOS electrical inverter (I.sub.2), connected in parallel with a storage capacitor (C) in parallel with a leakage current source (J.sub.L), whereby the output of the second inverter is a binary indication of the presence vs. absence of clock pulse input to the first inverter.
    Type: Grant
    Filed: August 9, 1978
    Date of Patent: October 28, 1980
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Harry J. Boll, Michael K. Maul