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US3108254A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine reading of handwritten characters

Assignee: AT&T Inc
•
Filing: 1957-08-14
•
Granted: 1963-10-22
•
Expires: 1977-08-14
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas L Dimond

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:28
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 130 words
A REAL TIME READER FOR HANDWRITTEN ALPHA-NUMERIC CHARACTERS COMPRISING IN COMBICNATION MEANS DEFINING AN AREA FOR THE DESCRIBING THEREON OF SAID ALPHA-NUMERIC CHARACTERS, MEANS IN SAID AREA DEFINING VISIBLE INDICIA WITH RESPECT TO WHICH SAID CHARACTERS ARE DESCRIBED, A PLURALITY OF CONDUCTIVE SEGEMENTS IN SAID AREA, A STYLUS FOR THE MANUAL DESCRIBING OF SAID CHARACTERS ON SAID AREA, SAID STYLUS INCLUDING AN ELECTRICALLY CONDUCTIVE ELEMENT HAVING A POTENTIAL APPLIED THERETO, DETECTING MEANS FOR DETECTING PARTICULAR ONES OF SAID SEGEMENTS TRAVERSED BY SAID STYLUS AS SAID CHARACTERS ARE DESCRIBED ON SASID AREA, SAID DETECTING MEANS INCLUDING MEANS FOR DETECTING THE POTENTIAL APPLIED TO PARTICULAR ONES OF SAID SEGMENTS AS SAID CHARACTERS ARE DESCRIBED ON SAID AREA, AND MEANS CONTROLLED BY SAID DETECTING MEANS FOR PRODUCING CODED SIGNALS DISTINCTLY IDENTIFYING SAID CHARACTERS.
Claim 2
Dependent Claim 130 words
A REAL TIME READER FOR HANDWRITTEN ALPHA-NUMERIC CHARACTERS COMPRISING IN COMBICNATION MEANS DEFINING AN AREA FOR THE DESCRIBING THEREON OF SAID ALPHA-NUMERIC CHARACTERS, MEANS IN SAID AREA DEFINING VISIBLE INDICIA WITH RESPECT TO WHICH SAID CHARACTERS ARE DESCRIBED, A PLURALITY OF CONDUCTIVE SEGEMENTS IN SAID AREA, A STYLUS FOR THE MANUAL DESCRIBING OF SAID CHARACTERS ON SAID AREA, SAID STYLUS INCLUDING AN ELECTRICALLY CONDUCTIVE ELEMENT HAVING A POTENTIAL APPLIED THERETO, DETECTING MEANS FOR DETECTING PARTICULAR ONES OF SAID SEGEMENTS TRAVERSED BY SAID STYLUS AS SAID CHARACTERS ARE DESCRIBED ON SASID AREA, SAID DETECTING MEANS INCLUDING MEANS FOR DETECTING THE POTENTIAL APPLIED TO PARTICULAR ONES OF SAID SEGMENTS AS SAID CHARACTERS ARE DESCRIBED ON SAID AREA, AND MEANS CONTROLLED BY SAID DETECTING MEANS FOR PRODUCING CODED SIGNALS DISTINCTLY IDENTIFYING SAID CHARACTERS.

References Cited (Backward Citations)

US1311384A Cited
US2143875A Cited
US2198248A Cited
US2685611A Cited
US2741312A Cited
US2723308A Cited
US2766444A Cited
US2964734A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-10-21 1967-04-22 1967-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-10-21 1971-04-22 1971-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-10-21 1975-04-22 1975-10-22 $7700.00 Window Closed / Lapsed

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