Patent US2242738A successfully refreshed from Google Patents.
US3343030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bar graph oscilloscope display
Assignee: Westinghouse Electric Corp
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Filing: 1964-07-31
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Granted: 1967-09-19
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Expires: 1984-07-31
Abstract
No abstract record available.
Inventors
- 👤 Elbert J Dragon
- 👤 Thomas L Shaffer
- 👤 Samuel M Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:57
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/22; G01R13/28; G09; G09G; G09G1/00; G09G1/04; G09G1/06; G09G1/14; G09G1/16; G09G1/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A SYSTEM FOR RELATIVELY DISPLAYING A PLURALITY OF INPUT SIGNALS ON THE CATHODE RAY TUBE OF A CATHODE RAY OSCILLOSCOPE DISPLAY COMPRISING: MEANS FOR SAMPLING SAID INPUT SIGNALS; MEANS FOR VERTICALLY SWEEPING THE CATHODE RAY BEAM OF SAID CATHODE RAY TUBE, IN A PLURALITY OF COLUMNS; AND MEANS FOR GATING THE SAID BEAM ON FOR A LENGTH OF TIME PROPORTIONAL TO THE AMPLITUDE OF SAID INPUT SIGNALS SAMPLED.
Claim 2
Independent Claim
68 words
A SYSTEM FOR RELATIVELY DISPLAYING A PLURALITY OF INPUT SIGNALS ON THE CATHODE RAY TUBE OF A CATHODE RAY OSCILLOSCOPE DISPLAY COMPRISING: MEANS FOR SAMPLING SAID INPUT SIGNALS; MEANS FOR VERTICALLY SWEEPING THE CATHODE RAY BEAM OF SAID CATHODE RAY TUBE, IN A PLURALITY OF COLUMNS; AND MEANS FOR GATING THE SAID BEAM ON FOR A LENGTH OF TIME PROPORTIONAL TO THE AMPLITUDE OF SAID INPUT SIGNALS SAMPLED.
References Cited (Backward Citations)
US2848648A
Cited
US3130346A
Cited
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 |