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US3644784A Expired / Lapsed US ⏱️ 0.0 years remaining

Solid-state indicator displays

Assignee: STOKES-MERRILL Corp
•
Filing: 1970-04-16
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Granted: 1972-02-22
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Expires: 1990-04-16
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Abstract

Abstract A display having blocks of display contrasting elements and individual elements electrically connected in a matrix such that two input signals to the matrix energize a number of elements in the form of a pointer which moves in accordance with the input signals.

Inventors

  • 👤 Marcus P Dickey
  • 👤 Donald C Mcintyre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 14:40
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/40; G01R13/404; G01R13/408; G11; G11C; G11C15/00

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 79 words
A display comprising first and second columns of display media segments, the segments of the second column offset from those in the first column, the columns formed with n blocks of segments and n+1 individual segments, each block containing m segments in the first column and m-1 segments in the second column, the individual segments being in the second column; and, means for selectively energizing a predetermined pattern of segments in the first column and in the second column.
Claim 2
Dependent Claim 79 words
A display comprising first and second columns of display media segments, the segments of the second column offset from those in the first column, the columns formed with n blocks of segments and n+1 individual segments, each block containing m segments in the first column and m-1 segments in the second column, the individual segments being in the second column; and, means for selectively energizing a predetermined pattern of segments in the first column and in the second column.
Claim 3
Dependent Claim 13 words
The display of claim 1 wherein the display media segments provide display contrast.
Claim 4
Dependent Claim 13 words
The display of claim 2 wherein the display media segments are liquid crystals.
Claim 5
Dependent Claim 14 words
The display of claim 1 wherein the display media segments are light emitting diodes.
Claim 6
Dependent Claim 31 words
The display of claim 1 wherein the selectively energized predetermined pattern of segments comprises three mutually adjacent segments, one segment in the first column and two segments in the second column.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-02-21 1975-08-23 1976-02-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-02-21 1979-08-23 1980-02-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-02-21 1983-08-23 1984-02-22 $7700.00 Window Closed / Lapsed

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