← Back to Patent Explorer
US3843905A Expired / Lapsed US ⏱️ 0.0 years remaining

Border sustainer system for gas discharge panel

Assignee: OI Glass Inc
•
Filing: 1972-03-09
•
Granted: 1974-10-22
•
Expires: 1992-03-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract 2. MEANS FOR ESTABLISHING A SECOND AND A THIRD DIRECT CURRENT VOLTAGE LEVELS, EACH OF SAID SECOND AND THIRD DIRECT CURRENT VOLTAGE LEVELS BEING ABOVE THE VOLTAGE LEVEL OF SAID FIRST DIRECT CURRENT VOLTAGE LEVEL, AND BORDER TIMING CONTROL MEANS FOR CONTROLLING THE TIME OF OCCURANCE OF EACH SAID DIRECT CURRENT VOLTAGE LEVEL. 1. IN GASEOUS DISCHARGE DISPLAY SYSTEM, INCLUDING A PANEL HAVING A ROW-COLUMN CONDUCTOR MATRIX DEFINING A PANEL DISPLAY AREA, AND GENERATOR MEANS SUPPLYING SUSTAINING VOLTAGE TO SAID CONDUCTOR MATRIX, AND MEANS SUPPLYING DISCHARGE MANIPULATING PULSE VOLTAGES TO SAID CONDUCTOR MATRIX, A SET OF ROW BORDER CONDUCTORS, A SET OF COLUMN BORDER CONDUCTORS AND MEANSFOR CONTROLLING BORDER DISCHARGE SITES IN SAID PANELS LOCATED BY SAID BORDER CONDUCTORS. INCLUDING SEPARATE GENERATOR MEANS FOR GENERATING SUSTAINING VOLTAGES FOR EACH SAID ROW AND SAID COLUMN CONDUCTORS SETS, THE IMPROVEMENT IN SAID MEANS FOR CONTROLLING BORDER DISCHARGE SITES WHICH COMPRISES: A DIRECT CURRENT POWER SUPPLY COMMON TO EACH SAID SEPARATE MEANS FOR GENERATING SUSTAINING VOLTAGES AND SAID MEANS FOR SUPPLYING SUSTAINING VOLTAGE TO SAID CONDUCTOR-MATRIX, SAID DIRECT CURRENT POWER SUPPLY INCLUDING 1. MEANS FOR ESTABLISHING A FIRST DIRECT CURRENT VOLTAGE LEVEL APPLIED TO SAID MEANS FOR SUPPLYING SUSTAINING VOLTAGES TO SAID CONDUCTOR MATRIX:

Inventors

  • 👤 D Leuck
  • 👤 L Budzynski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 10:47
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

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) 1977-10-21 1978-04-22 1978-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-21 1982-04-22 1982-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-21 1986-04-22 1986-10-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag