US3212622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacing control circuit
Assignee: Tamar Electronics Industries Inc
•
Filing: 1963-12-03
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Granted: 1965-10-19
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Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Ramey B Metz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:25
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN COMBINATION, DRIVE MEANS FOR DRIVINMG A CONVEYOR LINE HAVING OBJECTS THEREON AND CONTROL MEANS FOR CONTROLLING SAID DRIVE MEANS TO REGULATE THE FLOW OF SAID OBJECTS, SAID CONTROL MEANS COMPRISING SENSING MEANS FOR DETECTING THE PRESENCE OR ABSENCE OF SAID OBJECTS AT A PREDETERMINED POINT ON SAID LINE, AND ELECTRONIC CONTROL MEANS RESPONSIVE TO SAID SENSING MEANS FOR PROVIDING A FIRST PREDETERMINED CONTROL SIGNAL TO SAID DRIVE MEANS WHEN SAID SENSING MEANS DETECTS THE PRESENCE OF OBJECTS AND A SECOND PREDETERMINED CONTROL SIGNAL TO SAID DRIVE MEANS WHEN SAID SENSING MEANS DETECTS THE ABSENCE OF OBJECTS, SAID ELECTRONIC CONTROL MEANS INCLUDING AMPLIFIER MEANS, FIRST DELAY MEANS CONNECTED TO SAID AMPLIFER MEANS FOR DELAYING SAID FIRST PREDETERMINED CONTROL SIGNAL A PREDETERMINED TIME INTERVAL AFTER THE PRESENCE OF OBJECTS IS FIRST SENSED AND SECOND DELAY MEANS CONNECTED TO SAID AMPLIFIER MEANS FOR DELAYING SAID SECOND PREDETERMINED CONTROL SIGNAL A PREDETERMINED TIME INTERVAL AFTER THE ABSENCE OF SAID OBJECTS IS FIRST SENSED.
Claim 2
Dependent Claim
160 words
IN COMBINATION, DRIVE MEANS FOR DRIVINMG A CONVEYOR LINE HAVING OBJECTS THEREON AND CONTROL MEANS FOR CONTROLLING SAID DRIVE MEANS TO REGULATE THE FLOW OF SAID OBJECTS, SAID CONTROL MEANS COMPRISING SENSING MEANS FOR DETECTING THE PRESENCE OR ABSENCE OF SAID OBJECTS AT A PREDETERMINED POINT ON SAID LINE, AND ELECTRONIC CONTROL MEANS RESPONSIVE TO SAID SENSING MEANS FOR PROVIDING A FIRST PREDETERMINED CONTROL SIGNAL TO SAID DRIVE MEANS WHEN SAID SENSING MEANS DETECTS THE PRESENCE OF OBJECTS AND A SECOND PREDETERMINED CONTROL SIGNAL TO SAID DRIVE MEANS WHEN SAID SENSING MEANS DETECTS THE ABSENCE OF OBJECTS, SAID ELECTRONIC CONTROL MEANS INCLUDING AMPLIFIER MEANS, FIRST DELAY MEANS CONNECTED TO SAID AMPLIFER MEANS FOR DELAYING SAID FIRST PREDETERMINED CONTROL SIGNAL A PREDETERMINED TIME INTERVAL AFTER THE PRESENCE OF OBJECTS IS FIRST SENSED AND SECOND DELAY MEANS CONNECTED TO SAID AMPLIFIER MEANS FOR DELAYING SAID SECOND PREDETERMINED CONTROL SIGNAL A PREDETERMINED TIME INTERVAL AFTER THE ABSENCE OF SAID OBJECTS IS FIRST SENSED.
References Cited (Backward Citations)
US2707142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |