US3343032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for driving a plurality of display tubes
Assignee: Bendix Corp
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Filing: 1965-02-01
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Granted: 1967-09-19
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Clarence V David
- 👤 Vernon C Kamm
- 👤 John R Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:44
CPC Classifications
H; H03; H03K; H03K21/00; H03K21/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
185 words
APPARATUS FOR DRIVING A PLURALITY OF DISPLAY TUBES COMPRISING; AN ANODE IN EACH DISPLAY TUBE AND A GIVEN NUMBER OF CATHODE SYMBOL ELECTRODES IN EACH DISPLAY TUBE, A PLURALITY OF SYMBOL LINES WITH THE NUMBER OF SYMBOL LINES BEING EQUAL TO THE NUMBER OF SYMBOL ELECTRODES IN EACH OF THE TUBES, A PLURALITY OF ANODE LINES RESPECTIVELY CONNECTED TO SAID ANODES, A PLURALITY OF FIRST SWITCH MEANSA RESPECTIVELY CONNECTED BETWEEN SAID SYMBOL LINES AND A REFERENCE POTENTIAL, A FIRST PULSE SOURCE BEING OPERABLY ASSOCIATED WITH SAID PLURALITY OF FIRST SWITCH MEANS FOR OPERATING SAID FIRST SWITCH MEANS IN ANY SEQUENCE, A PLURALITY OF SECOND SWITCH MEANS RESPECTIVELY CONNECTED TO SAID ANODE LINES FOR CHANGING THE POTENTIAL OF SAID ANODE LINES TO A PRESELECTED POTENTIAL IN ANY SEQUENCE WHICH POTENTIAL DIFFERS FROM SAID REFERENCE POTENTIAL BY AT LEAST THE DISCHARGE POTENTIAL OF SAID TUBE, A SECOND PULSE SOURCE OPERABLY ASSOCIATED WITH SAID PLURALITY OF SECOND SWITCH MEANS FOR OPERATING SAID SECOND SWITCHES IN ANY SEQUENCE, DIODE MEANS AND CAPACITOR MEANS BEING SERIES CONNECTED BETWEEN EACH OF SAID SYMBOL LINES TO EACH OF THE ANODE LINES, AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |