Patents Assigned to J. R. Hunt Ventures
  • Radiation shield for cellular telephones
    Patent number: 5613221
    Abstract: A radiation shield for a hand-held cellular telephone is made up of a metal strip placed between the antenna rod of the telephone and the speaker. The strip has a flat body portion and an upper portion that is curved away from the rod. Overall length of the strip is slightly longer than the antenna rod, and its width is 1 to 1 1/2 inches. Radiation fields reaching the head of a user whose ear is placed near the speaker are substantially reduced by the shield.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: March 18, 1997
    Assignee: J. R. Hunt Ventures
    Inventor: James R. Hunt