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US3731276A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Terminal Data Corp
•
Filing: 1971-05-19
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Granted: 1973-05-01
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Expires: 1991-05-19
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Abstract

Abstract A numeric code having human-readable and correlative mark elements. These are impressed upon a medium carrying information to be read by either human or machine inspection. Block numerals with two additional rows of marks are employed, one row being clock pulse marks.

Inventors

  • 👤 H Rayfield

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:49
CPC Classifications
G; G06; G06K; G06K19/00; G06K19/06; G06K19/08; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 157 words
Information address means comprising; a. An information-carrying medium (3) with human-readable numeric address characters in a horizontal row, each said character having upper and lower vertical portions, b. said medium additionally having plural horizontal rows of vertical marks individually vertically aligned with the vertical portions of said characters and having the same width, said plural rows of vertical marks being vertically adjacent, one to the other, and parallel to said row of characters, with at least one first said vertical mark vertically aligned with the first vertical portion of the vertically related character, c. plural photo-responsive means (1,2,5,6) positioned to individually intercept one horizontal row of both the vertical portions of the characters and the vertical marks, and d. means (4) to move the medium relative to said photoresponsive means, and because of such movement to give a unique total response from all of said photo-responsive means for each said character and the vertical marks related thereto.
Claim 2
Dependent Claim 157 words
Information address means comprising; a. An information-carrying medium (3) with human-readable numeric address characters in a horizontal row, each said character having upper and lower vertical portions, b. said medium additionally having plural horizontal rows of vertical marks individually vertically aligned with the vertical portions of said characters and having the same width, said plural rows of vertical marks being vertically adjacent, one to the other, and parallel to said row of characters, with at least one first said vertical mark vertically aligned with the first vertical portion of the vertically related character, c. plural photo-responsive means (1,2,5,6) positioned to individually intercept one horizontal row of both the vertical portions of the characters and the vertical marks, and d. means (4) to move the medium relative to said photoresponsive means, and because of such movement to give a unique total response from all of said photo-responsive means for each said character and the vertical marks related thereto.
Claim 3
Dependent Claim 99 words
The information address means of claim 1 in which ambiguity inherent in the vertical portions of certain characters is removed by; a. introducing a vertical mark for one of said certain characters for which ambiguity exists at a given horizontal position with respect to that character, and b. introducing a vertical mark for an other of said certain characters for which ambiguity exists at a different horizontal position with respect to that character, such that the configuration of vertical portions and introduced vertical marks for the other character is unique with respect to the configuration of the one character.

References Cited (Backward Citations)

US3257545A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-04-30 1976-10-30 1977-05-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-04-30 1980-10-30 1981-05-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-04-30 1984-10-30 1985-05-01 $7700.00 Window Closed / Lapsed

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