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US5260785A Expired / Lapsed US ⏱️ 0.0 years remaining

Grid-correction device for a TV set

Assignee: Deutsche Thomson Brandt GmbH
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Filing: 1992-05-28
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Granted: 1993-11-09
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Expires: 2012-05-28
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Abstract

Abstract A cursor for correcting the locations of points formed by the crossing horizontal and vertical lines of a grid arranged on the screen of a television receiver. The screen has a portion illuminated by a picture and a dark portion unilluminated by the picture. The grid also has at least one line of dark-points parallel to each edge of the picture and lying outside of the picture. The cursor is configured and dimensioned to extend into the picture when the cursor covers one of the dark-points.

Inventors

  • 👤 Gunter Gleim
  • 👤 Jacques Chauvin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 13:50
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/31; H04N17/00; H04N17/04; H04N9/16; H04N9/28

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 89 words
A cursor for correcting the locations of points formed by the crossing horizontal and vertical lines of a grid arranged on the screen of a television receiver, said screen having a portion illuminated by a picture and a dark portion unilluminated by said picture, said grid also having at least one line of dark-points parallel to each edge of said picture and lying outside of said picture, an improvement wherein said cursor is configured and dimensioned to extend into said picture when said cursor covers one of said dark-points.
Claim 2
Dependent Claim 89 words
A cursor for correcting the locations of points formed by the crossing horizontal and vertical lines of a grid arranged on the screen of a television receiver, said screen having a portion illuminated by a picture and a dark portion unilluminated by said picture, said grid also having at least one line of dark-points parallel to each edge of said picture and lying outside of said picture, an improvement wherein said cursor is configured and dimensioned to extend into said picture when said cursor covers one of said dark-points.
Claim 3
Dependent Claim 39 words
The improvement of claim 1 wherein said cursor is shaped as a rightangle cross having four arms of equal length, the length of said arms being longer than the distance of said dark-points from the edge of said picture.
Claim 4
Dependent Claim 17 words
The improvement of claim 1 wherein said cursor has at least one arm extending into said picture.
Claim 5
Dependent Claim 10 words
The improvement of claim 3 wherein said cursor is T-shaped.
Claim 6
Dependent Claim 20 words
The improvement of claim 1 wherein said cursor when outside said picture is configured differently than when inside said picture.

References Cited (Backward Citations)

GB2166028A Cited
JPH03128590A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-11-08 1997-05-10 1997-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-11-08 2001-05-10 2001-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-11-08 2005-05-10 2005-11-09 $7700.00 Window Closed / Lapsed

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