Patent US3124884A successfully refreshed from Google Patents.
US3124884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Components
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:36
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/06; G09B23/08; G09B23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A METHOD OF DEMONSTRATING WAVE MOTION PHENOMENA ON THE SCREEN OF AN OSCILLOSCOPE HAVING HORIZONTAL PLATES AND VERTICAL DEFLECTION PLATES, WHICH METHOD COMPRISES APPLYING A SYNCHRONIZING ELECTRICAL SIGNAL OF PREDETERMINED FREQUENCY TO THE HORIZONTAL PLATES OF THE OSCILLOSCOPE; SEQUENTIALLY APPLYING FIRST, SECOND AND THIRD ELECTRICAL SIGNALS TO THE VERTICAL DEFLECTION PLATES OF THE OSCILLOSCOPE FOR THE SIMULTANEOUS DISPLAY OF THE THREE SIGNALS ON THE SCREEN OF THE OSCILLOSCOPE, SAID FIRST AND SECOND SIGNALS BEING SINE WAVES AND THE THIRD SIGNAL BEING A COMPOSITE OF THE FIRST AND SECOND SIGNALS, ADJUSTING THE D.C. LEVEL OF THE FIRST, SECOND AND THIRD SIGNALS TO THE THEREBY VERTICALLY SPACE THE RESULTING SIGNAL TRACES ON THE OSCILLOSCOPE SCREEN, ADJUSTING THE FREQUENCY OF THE FIRST AND SECOND SIGNALS RELATIVE TO THAT OF THE SAID SYNCHRONIZING SIGNAL SO THAT THE TRACES OF THE FIRST AND SECOND SIGNALS BECOME TRAVELING SINE WAVE TRACES AND THE TRACE OF THE COMPOSITE SIGNAL TRAVELS AT THE AVERAGE SPEED OF THE FIRST AND SECOND SIGNAL TRACES.
Claim 2
Independent Claim
164 words
A METHOD OF DEMONSTRATING WAVE MOTION PHENOMENA ON THE SCREEN OF AN OSCILLOSCOPE HAVING HORIZONTAL PLATES AND VERTICAL DEFLECTION PLATES, WHICH METHOD COMPRISES APPLYING A SYNCHRONIZING ELECTRICAL SIGNAL OF PREDETERMINED FREQUENCY TO THE HORIZONTAL PLATES OF THE OSCILLOSCOPE; SEQUENTIALLY APPLYING FIRST, SECOND AND THIRD ELECTRICAL SIGNALS TO THE VERTICAL DEFLECTION PLATES OF THE OSCILLOSCOPE FOR THE SIMULTANEOUS DISPLAY OF THE THREE SIGNALS ON THE SCREEN OF THE OSCILLOSCOPE, SAID FIRST AND SECOND SIGNALS BEING SINE WAVES AND THE THIRD SIGNAL BEING A COMPOSITE OF THE FIRST AND SECOND SIGNALS, ADJUSTING THE D.C. LEVEL OF THE FIRST, SECOND AND THIRD SIGNALS TO THE THEREBY VERTICALLY SPACE THE RESULTING SIGNAL TRACES ON THE OSCILLOSCOPE SCREEN, ADJUSTING THE FREQUENCY OF THE FIRST AND SECOND SIGNALS RELATIVE TO THAT OF THE SAID SYNCHRONIZING SIGNAL SO THAT THE TRACES OF THE FIRST AND SECOND SIGNALS BECOME TRAVELING SINE WAVE TRACES AND THE TRACE OF THE COMPOSITE SIGNAL TRAVELS AT THE AVERAGE SPEED OF THE FIRST AND SECOND SIGNAL TRACES.
References Cited (Backward Citations)
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US2850668A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |