Patents by Inventor Gary W. Walters

Gary W. Walters 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).

  • Digital measuring system having a multi-row encoder disk
    Patent number: 6279248
    Abstract: The present invention is embodied in a hand held caliper with a hand movable slide, whose motion is transformed into rotation of an apertured multi-row encoder disk, a radiation source and a radiation detector. The present invention accurately measures a linear dimension using a simple, efficient, and durable digital measuring system. Accuracy of 0.0001″ is attained, greater than the 0.0005″ of the prior art, without encountering greater manufacturing costs, by utilizing well known fabrication techniques when producing the multi-row encoder disk, and otherwise using well known and inexpensive technology. The present invention does not require a motion dampening device, as errors may be determined and signal jitter are compensated for in the invention electronically or through the use of software, which adds little or no additional cost to the system and does not add mechanical complexity.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: August 28, 2001
    Assignee: Central Purchasing, Inc.
    Inventor: Gary W. Walters