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US3341826A Expired / Lapsed US ⏱️ 0.0 years remaining

Solid state erasable and rewritable optical memory system utilizing a tenebrescent panel

Assignee: Bendix Corp
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Filing: 1964-02-25
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Granted: 1967-09-12
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Expires: 1984-02-25
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Abstract

No abstract record available.

Inventors

  • 👤 Walter W Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:37
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/42

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 317 words
AN OPTICAL MEMORY SYSTEM COMPRISING A FIRST COMPUTER MEANS FOR DIRECTING WRITE ELECTRICALLY ENERGIZED CODED INFORMATION SIGNALS, A FIRST SET OF CRISSCROSS CONDUCTORS FORMING A FIRST PLURALITY OF INTERSECTIONS OPERABLE TO RECEIVE THE WRITE ELECTRICALLY ENERGIZED CODED INFORMATION SIGNAL, A FIRST WRITE ELECTROLUMINESCENT PANEL ELECTRICALLY OPERABLE THROUGH SAID FIRST SET OF CRISSCROSS CONDUCTORS TO DIRECT WRITE INFORMATION LIGHT SIGNALS AT THE INTERSECTIONS OF SAID FIRST SET OF CRISSCROSS CONDUCTORS, THE LIGHT BEING SIGNALS DIRECTED THROUGH THE MEMORY SYSTEM, A SECOND COMPUTER MEANS FOR DIRECTING READ AND ERASE ELECTRICALLY ENERGIZED CODED INFORMATION SIGNALS, A SECOND SET OF CRISSCROSS CONDUCTORS FORMING A SECOND PLURALITY OF INTERSECTIONS IN LINE WITH THE FIRST PLURALITY OF INTERSECTIONS AND OPERABLE TO RECEIVE THE READ AND ERASE ELECTRICALLY ENERGIZED CODED INFORMATION SIGNALS DIRECTED FROM SAID SECOND COMPUTER MEANS, A SECOND READ AND ERASE ELECTROLUMINESCENT PANEL ELECTRICALLY OPERABLE THROUGH SAID SECOND SET OF CRISSCROSS CONDUCTORS TO DIRECT READ AND ERASE INFORMATION LIGHT SIGNALS AT THE INTERSECTIONS OF SAID SECOND SET OF CRISSCROSS CONDUCTORS, A TENEBRESCENT PANEL OPERABLE TO RECEIVE THE WRITE LIGHT SIGNALS AND FORMING THEREON DARKENED AREAS LEAVING ADJACENT THERETO TRANSPARENCIES DENOTING THE "ONES" AND "ZEROS" OF THE BINARY SYSTEM, AND SAID TENEBRESCENT PANEL BEING OPERABLE TO RECEIVE THE READ AND ERASE LIGHT INFORMATION SIGNALS FOR READING THE INFORMATION WRITTEN ON SAID TENEBRESCENT PANEL WHEN SAID SECOND COMPUTER MEANS DIRECTS READING SIGNALS AND FOR ERASING THE INFORMATION ON SAID TENEBRESCENT PANEL UPON SAID SECOND COMPUTER MEANS DIRECTING ERASE SIGNALS, A THIRD SET OF CRISSCROSSED ELECTRICAL CONDUCTORS FORMING A THIRD PLURALITY OF INTERSECTIONS IN LINE WITH SAID FIRST AND SECOND PLURALITIES OF INTERSECTIONS, AND A PHOTOCONDUCTOR INTERPOSED BETWEEN SAID THIRD SET OF CONDUCTORS AND OPERABLE FOR RECEIVING READ SIGNALS FROM SAID SECOND READ AND ERASE ELECTROLUMINESCENT PANEL FOR FORMING PREDETERMINED CONDUCTIVE BIT AREAS ON SAID PHOTOCONDUCTOR IN ACCORDANCE WITH THE CODED INFORMATION AREAS ON SAID FIRST AND SECOND PANELS IN LINE WITH THE CONDUCTOR INTERSECTIONS.

References Cited (Backward Citations)

US2661437A Cited
US2897399A Cited
US3185026A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-09-11 1971-03-13 1971-09-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-09-11 1975-03-13 1975-09-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-09-11 1979-03-13 1979-09-12 $7700.00 Window Closed / Lapsed

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