Patents by Inventor Raymond T. Mah

Raymond T. Mah 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: 6044131
    Abstract: A security system for digital x-ray images is disclosed. In one example system, a direct capture digital x-ray imaging device is used to capture digital x-ray images. The direct capture digital x-ray imaging device then associates an identifier with the image. This identifier identifies the source of the image as being that particular device. In some example systems, the identifier is used to create a digital signature that identifies that particular image as being from that particular device. Some systems optionally include image encryption and/or compression.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: March 28, 2000
    Assignee: MedFX Systems
    Inventors: Steven P. McEvoy, Emilian S. Ochotta, Kent R. Richardson, David C. Hatcher, Raymond T. Mah
  • Patent number: 5844961
    Abstract: A filmless digital x-ray cassette comprising the following. A standard sized x-ray cassette housing having external dimensions approximately equal to the external dimensions of a standard x-ray cassette. An array system having a plurality of light sensitive pixels, the array system being disposed at least partially within the standard sized x-ray cassette housing. An electronics system, coupled in communications with the array system, the electronics system converting pixel values received from the array system into a digital image. A communications circuit, coupled to the electronics system, having a digital image output.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: December 1, 1998
    Assignee: MedFX Systems
    Inventors: Steven P. McEvoy, Emilian S. Ochotta, Kent R. Richardson, David C. Hatcher, Raymond T. Mah