Patent US4708143A successfully refreshed from Google Patents.
Patent US351905A successfully refreshed from Google Patents.
Patent US3241104A successfully refreshed from Google Patents.
US3241104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic control
Assignee: Laboratory For Electronics Inc
•
Filing: 1961-09-01
•
Granted: 1966-03-15
•
Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
- 👤 Vivier Charles L Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:42
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/081; G08G1/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A MASTER-LOCAL TRAFFIC CONTROL SYSTEM COMPRISING MASTER CYCLIC CONTROLLER MEANS FOR PROVIDING A PERIODIC MASTER TIME CYCLE, A LOCAL CONTROLLER CONTROLLED BY SAID MASTER CYCLE FOR CONTROLLING TRAFFIC SIGNALS IN A LOCAL TIME CYCLE IN WHICH RIGHT-OF-WAY IS ACCORDED IN TWO INTERSECTING TRAFFIC DIRECTIONS AT TWO DIFFERENT PREDETERMINED PERCENTAGES OF SAID CYCLE, OFFSET CONTROL MEANS FOR OFFSETTING SAID LOCAL TIME CYCLE RELATIVE TO SAID MASTER TIME CYCLE INDIVIDUAL PERCENTAGES OF SAID MASTER TIME CYCLES IN RESPONSE TO FIRST OFFSET CONTROL SIGNALS DERIVED FROM MEASUREMENT OF TRAFFIC SENSED IN ONE DIRECTION AND FURTHER OFFSET CONTROL MEANS FOR FURTHER OFFSETTING SAID LOCAL TIME CYCLE AS SO OFFSET FURTHER INDIVIDUAL PERCENTAGES OF SAID MASTER TIME CYCLE IN RESPONSE TO SECOND OFFSET CONTROL SIGNALS DERIVED FROM MEASUREMENT OF TRAFFIC SENSED IN THE INTERSECTING DIRECTION SO THAT THE ACCORDING OF RIGHT-OF-WAY IN BOTH TRAFFIC DIRECTIONS IS DISPLACED IN TIME IN DEPENDENCE UPON BOTH TRAFFIC MEASUREMENTS.
Claim 2
Dependent Claim
150 words
A MASTER-LOCAL TRAFFIC CONTROL SYSTEM COMPRISING MASTER CYCLIC CONTROLLER MEANS FOR PROVIDING A PERIODIC MASTER TIME CYCLE, A LOCAL CONTROLLER CONTROLLED BY SAID MASTER CYCLE FOR CONTROLLING TRAFFIC SIGNALS IN A LOCAL TIME CYCLE IN WHICH RIGHT-OF-WAY IS ACCORDED IN TWO INTERSECTING TRAFFIC DIRECTIONS AT TWO DIFFERENT PREDETERMINED PERCENTAGES OF SAID CYCLE, OFFSET CONTROL MEANS FOR OFFSETTING SAID LOCAL TIME CYCLE RELATIVE TO SAID MASTER TIME CYCLE INDIVIDUAL PERCENTAGES OF SAID MASTER TIME CYCLES IN RESPONSE TO FIRST OFFSET CONTROL SIGNALS DERIVED FROM MEASUREMENT OF TRAFFIC SENSED IN ONE DIRECTION AND FURTHER OFFSET CONTROL MEANS FOR FURTHER OFFSETTING SAID LOCAL TIME CYCLE AS SO OFFSET FURTHER INDIVIDUAL PERCENTAGES OF SAID MASTER TIME CYCLE IN RESPONSE TO SECOND OFFSET CONTROL SIGNALS DERIVED FROM MEASUREMENT OF TRAFFIC SENSED IN THE INTERSECTING DIRECTION SO THAT THE ACCORDING OF RIGHT-OF-WAY IN BOTH TRAFFIC DIRECTIONS IS DISPLACED IN TIME IN DEPENDENCE UPON BOTH TRAFFIC MEASUREMENTS.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |