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Visual information systems

DC
  • US 6,169,368 B1
  • Filed: 09/14/1998
  • Issued: 01/02/2001
  • Est. Priority Date: 01/11/1996
  • Status: Expired due to Term
First Claim
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1. A visual information system for use in connection with a carrier for carrying observers along a predetermined path, the system comprising an array to be located adjacent said path and consisting of a plurality of individually and selectively energizable light sources arranged in rows and columns, a memory for storing a program representative of a predetermined image, a controller actuatable to control the selection and sequence of energization of the light sources within a predetermined time span corresponding to persistent time of a human retina to light, and in accordance with the predetermined program stored in the memory, a rate of operation of the controller being set to correspond with a speed of the carrier past the array such that an observer carried by the carrier past the array will observe said predetermined image as an apparently stationary image occupying an area substantially larger than the area of said array.

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