US3277372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical waveform display system
Assignee: Fairchild Semiconductor Corp
•
Filing: 1960-06-06
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Granted: 1966-10-04
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Expires: 1980-06-06
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Hegeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:59
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN ELECTRICAL WAVEFORM DISPLAY SYSTEM COMPRISING: INPUT TERMINALS FOR SUPPLYING A PERIODIC ELECTRICAL SIGNAL; A DISPLAY DEVICE HAVING A DISPLAY SURFACE AND RESPONSIVE TO SAID SIGNAL FOR DISPLAYING A WAVEFORM REPRESENTATIVE OF THE WAVEFORM OF A RECEIVED SIGNAL; MEANS FOR ESTABLISHING A REFERENCE POINT ON SAID DISPLAY SURFACE; ADJUSTABLE MEANS FOR DEVELOPING AT LEAST ONE REFERENCE DOT AND POSITIONING IT IN TWO COORDINATE DIMENSIONS AT A SELECTED POINT ON THE DISPLAYED WAVEFORM; AND MEANS RESPONSIVE TO THE ADJUSTMENT OF SAID LAST-NAMED MEANS FOR INDICATING THE TWO COORDINATE DIMENSIONS FROM SAID REFERENCE POINT TO SAID DOT.
Claim 2
Dependent Claim
95 words
AN ELECTRICAL WAVEFORM DISPLAY SYSTEM COMPRISING: INPUT TERMINALS FOR SUPPLYING A PERIODIC ELECTRICAL SIGNAL; A DISPLAY DEVICE HAVING A DISPLAY SURFACE AND RESPONSIVE TO SAID SIGNAL FOR DISPLAYING A WAVEFORM REPRESENTATIVE OF THE WAVEFORM OF A RECEIVED SIGNAL; MEANS FOR ESTABLISHING A REFERENCE POINT ON SAID DISPLAY SURFACE; ADJUSTABLE MEANS FOR DEVELOPING AT LEAST ONE REFERENCE DOT AND POSITIONING IT IN TWO COORDINATE DIMENSIONS AT A SELECTED POINT ON THE DISPLAYED WAVEFORM; AND MEANS RESPONSIVE TO THE ADJUSTMENT OF SAID LAST-NAMED MEANS FOR INDICATING THE TWO COORDINATE DIMENSIONS FROM SAID REFERENCE POINT TO SAID DOT.
References Cited (Backward Citations)
US2563395A
Cited
US2608683A
Cited
US2643288A
Cited
US2524790A
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US2449093A
Cited
US2640191A
Cited
US2950475A
Cited
US2482821A
Cited
US2540179A
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US2548276A
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US2915749A
Cited
US3060427A
Cited
US3019389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |