Character recognition system using selectively positioned light conducting rods and including conversion to exess three binary code

• US 3,412,255 A
• Filed: 12/22/1964
• Issued: 11/19/1968
• Est. Priority Date: 12/22/1964
• Status: Expired due to Term

• Current Assignee: Edward L. Krieger
• Original Assignee: Edward L. Krieger
• Inventors: Krieger, Edward L.
• Application Number:
  US04/420,327
• Time in Patent Office: 1,428 Days
• US Class Current: 382/181
• CPC Class Codes: G06V 30/224 of printed characters having additional code marks or containing code marks
• CPC Class Codes: G11C 13/048 using other optical storage elements

Claims

1. A FIBER OPTIC ENCODER COMPRISING:

(A) A PLURALITY OF INPUT FIBER OPTIC RODS, (B) A NUMERIC CHARACTER VIEWING AREA, (C) A PLURALITY OF LIGHT SENSITIVE FIBER OPTIC RODS, (D) MEANS FOR POSITIONING AN END OF EACH OF SAID LIGHT SENSITIVE FIBER OPTIC RODS IN A PARTICULAR PORTION OF SAID VIEWING AREA, (E) MEANS FOR SUPERPOSING ONE OF A SET OF UNIQUE NUMERIC CHARACTERS ON SAID VIEWING AREA TO SELECTIVELY COVER THE ENDS OF A UNIQUE GROUP OF SAID LIGHT SENSITIVE RODS TO PREVENT LIGHT FROM ENTERING THE COVERED RODS, (F) MEANS FOR COUPLING THE LIGHT AND NO-LIGHT FROM SAID LIGHT SENSITIVE RODS TO SAID INPUT RODS, (G) A PLURALITY OF OUTPUT FIBER OPTIC RODS, AND (H) MEANS FOR SELECTIVELY LIGHT COUPLING EACH OF SAID OUTPUT RODS TO INDIVIDUAL ONES OF SAID INPUT RODS, SAID OUTPUT RODS PROVIDING LIGHT AND NO-LIGHT OUTPUTS INDICATIVE OF SAID REPRESENTED NUMERIC CHARACTER.