Patents Assigned to Ledler Corporation
  • Interface apparatus for effecting captioning and communications between a telephone line and a television
    Patent number: 5375160
    Abstract: A telecommunications device is disclosed which provides TDD services for the hearing impaired as well as other closed-captioning services. Incoming data is displayed over the television picture and may be stored in memory for review by the receiving party at a later time if desired.
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: December 20, 1994
    Assignee: Ledler Corporation
    Inventors: John Guidon, Douglas J. Easton, Merle D. Moore