×

Camera utilizing detection of visual line

  • US 5,857,121 A
  • Filed: 09/12/1997
  • Issued: 01/05/1999
  • Est. Priority Date: 08/26/1991
  • Status: Expired due to Fees
First Claim
Patent Images

1. An electronic apparatus, comprising:

  • (A) detecting means for detecting a position of visual line of sight of an observer in a pre-determined field and providing output signals indicative of said detected positon;

    (B) illumination means for use in visual line detection by said detection means;

    (C) a monitor, adapted to electrically display in said predetermined field an image, having a spectral characteristic which is substantially set to have no influence on a light emitted from said illumination means;

    (D) generating means for generating signals containing character display data indicative of a warning of an abnormal condition concerning an operation of said electronic apparatus; and

    (E) display processing means for receiving said signals containing said display data and displaying said display data on the monitor at said detected position of said observer'"'"'s visual line of sight.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×