ELECTRO-OPTICAL MEMORY

• US 3,440,620 A
• Filed: 01/10/1966
• Issued: 04/22/1969
• Est. Priority Date: 01/10/1966
• Status: Expired due to Term

• Current Assignee: Larry J. French
• Original Assignee: Larry J. French
• Inventors: French, Larry J.
• Application Number:
  US04/519,615
• Time in Patent Office: 1,198 Days
• US Class Current: 365/127
• CPC Class Codes: G02F 1/135 Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied G02F1/133348 takes precedence
• CPC Class Codes: G02F 1/13725 based on guest-host interaction G02F1/13762, G02F1/13737, take precedence
• CPC Class Codes: G11C 13/047 using electro-optical elements G11C13/042 takes precedence

Claims

1. AN OPTICAL MEMORY COMPRISING A MATRIX OF SELECTIVELY ENERGIZABLE RADIATION PRODUCING DEVICES, MEANS OPERATIVE TO FORM A PLURALITY OF SEPARATE IMAGES OF SAID MATRIX IN A PREDETERMINED PLANE, INFORMATION STORAGE MEANS COMPRISING A PLURALITY OF STORAGE CELLS ARRANGED IN A MATRIX, EACH OF SAID CELLS HAVING PRESELECTED INCREMENTAL STORAGE AREAS ARRANGED TO BE TRANSPARENT AT ALL TIMES TO SAID RADIATION, SAID STORAGE CELLS BEING OPERATIVE UNDER THE INFLUENCE OF AN APPLIED FIELD TO PROVIDE AN OPAQUE CONDITION TO SAID RADIATION IN THE AREAS OUTSIDE OF SAID PRESELECTED AREAS, ENERGIZING MEANS ARRANGED TO SELECTIVELY APPLY SAID FIELD TO SAID STORAGE CELLS AND SENSING MEANS OPERATIVE TO PROVIDE SEPARATE OUTPUT SIGNALS FOR EACH OF SAID STORAGE CELLS INDICATIVE OF SAID RADIATION PASSING THERETHROUGH.