US3274486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic synchronized stroboscope
Assignee: Individual
•
Filing: 1963-03-01
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Granted: 1966-09-20
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Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Leon M Gould
- 👤 Warren D Paley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:34
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A STROBOSCOPE SYSTEM FOR INVESTIGATING ROTATION COMPRISING A PICKUP DEVICE PROVIDING A SOURCE OF PULSES WHOSE REPETITION RATE IS AN INTEGER TIMES THE ROTATIONAL SPEED OF THE MECHANISM BEING OBSERVED, AMPLIFYING MEANS CONNECTED TO SAID PICKUP DEVICE AND PRODUCING AN AMPLIFIED PULSE OUTPUT, TRIGGER MEANS CONNECTED TO SAID AMPLIFYING MEANS FOR PRODUCING SHAPED PULSES, PRESET ELECTRONIC COUNTER MEANS HAVING INPUT MEANS CONNECTED TO SAID TRIGGER MEANS FOR COUNTING SAID PULSES, A SUBHARMONIC SELECTOR CIRCUIT COMPRISING A MONOSTABLE MULTIVIBRATOR CONNECTED TO SAID PRESET COUNTER MEANS PRODUCING OUTPUT PULSES OF PREDETERMINED LENGTH IN RESPONSE TO THE OUTPUT OF SAID PRESET ELECTRONIC COUNTER MEANS, A WAVEFORM SHAPER CONNECTED TO SAID SELECTOR CIRCUIT WHICH MODIFIES SAID PREDETERMINED PULSE, A STROBE LAMP, FURTHER AMPLIFIER MEANS, SAID FURTHER AMPLIFIER MEANS COUPLING SAID WAVESHAPER WITH SAID STROBE LAMP, AND AN INDEXING PULSE GENERATOR, SAID INDEXING PULSE GENERATOR CONNECTED TO SAID TRIGGER MEANS WHEREBY PULSES ARE PROVIDED TO ADVANCE THE OBSERVATION ASPECT OF SAID STROBOSCOPE SYSTEM.
Claim 2
Dependent Claim
158 words
A STROBOSCOPE SYSTEM FOR INVESTIGATING ROTATION COMPRISING A PICKUP DEVICE PROVIDING A SOURCE OF PULSES WHOSE REPETITION RATE IS AN INTEGER TIMES THE ROTATIONAL SPEED OF THE MECHANISM BEING OBSERVED, AMPLIFYING MEANS CONNECTED TO SAID PICKUP DEVICE AND PRODUCING AN AMPLIFIED PULSE OUTPUT, TRIGGER MEANS CONNECTED TO SAID AMPLIFYING MEANS FOR PRODUCING SHAPED PULSES, PRESET ELECTRONIC COUNTER MEANS HAVING INPUT MEANS CONNECTED TO SAID TRIGGER MEANS FOR COUNTING SAID PULSES, A SUBHARMONIC SELECTOR CIRCUIT COMPRISING A MONOSTABLE MULTIVIBRATOR CONNECTED TO SAID PRESET COUNTER MEANS PRODUCING OUTPUT PULSES OF PREDETERMINED LENGTH IN RESPONSE TO THE OUTPUT OF SAID PRESET ELECTRONIC COUNTER MEANS, A WAVEFORM SHAPER CONNECTED TO SAID SELECTOR CIRCUIT WHICH MODIFIES SAID PREDETERMINED PULSE, A STROBE LAMP, FURTHER AMPLIFIER MEANS, SAID FURTHER AMPLIFIER MEANS COUPLING SAID WAVESHAPER WITH SAID STROBE LAMP, AND AN INDEXING PULSE GENERATOR, SAID INDEXING PULSE GENERATOR CONNECTED TO SAID TRIGGER MEANS WHEREBY PULSES ARE PROVIDED TO ADVANCE THE OBSERVATION ASPECT OF SAID STROBOSCOPE SYSTEM.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |