US3206721A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic control system
Assignee: Bunker Ramo Corp
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Filing: 1962-05-28
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Granted: 1965-09-14
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 James B Rudden
- 👤 Daniel L Gerlough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:49
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A TRAFFIC CONTROL SYSTEM COMPRISING: AT LEAST ONE INTERSECTION TRAFFIC LIGHT; A FREE RUNNING CYCLIC TIMING MEANS DEFINING A PLURALITY OF DISCRETE TIME INTERVALS CONNECTED TO SAID TRAFFIC LIGHT; A TRAFIC DETECTOR MEANS FOR PROVIDING AN OUTPUT SIGNAL INDICATIVE OF A TRAFFIC CHARACTERISTIC; DATA PROCESSING MEANS RESPONSIVE TO THE OUTPUT OF SAID DECTECTOR MEANS FOR MODIFYING THE DURATION OF CERTAIN ONES OF SAID INTERFAALS; SAID DATA PROCESSING MEANS INCLUDING FIRST MEANS OPERABLE TO EXTEND THE DURATION OF SAID CERTAIN INTERVALS BY INTERRUPTING THE FREE RUNNING OF SAID TIMING MEANS; SECOND MEANS ACTUTHE FREE ATABLE TO INTERRUPT THE OPERATION OF SAID FIRST MEANS; INFORMATION STORAGE MEANS STORING INFORMATION REPRESENTING TIMES FOR ACTUATING SAID SECOND MEANS; A TIME OF DAY CLOCK; COMPARATOR MEANS FOR COMPARING THE OUTPUT OF SAID CLOCK WITH SAID TIMES STORED BY SAID STORAGE MEANS; MEANS RESPONSIVE TO SAID COMPARATOR MEANS FOR ACTUATING SAID SECOND MEANS; AND STORED PROGRAM COMPUTING MEANS RESPONSIVE TO SAID DECTOR MEANS OUTPUT SIGNAL FOR MODIFYING SAID INFORMATION STORED BY SAID INFORMATION STORAGE MEANS.
Claim 2
Dependent Claim
169 words
A TRAFFIC CONTROL SYSTEM COMPRISING: AT LEAST ONE INTERSECTION TRAFFIC LIGHT; A FREE RUNNING CYCLIC TIMING MEANS DEFINING A PLURALITY OF DISCRETE TIME INTERVALS CONNECTED TO SAID TRAFFIC LIGHT; A TRAFIC DETECTOR MEANS FOR PROVIDING AN OUTPUT SIGNAL INDICATIVE OF A TRAFFIC CHARACTERISTIC; DATA PROCESSING MEANS RESPONSIVE TO THE OUTPUT OF SAID DECTECTOR MEANS FOR MODIFYING THE DURATION OF CERTAIN ONES OF SAID INTERFAALS; SAID DATA PROCESSING MEANS INCLUDING FIRST MEANS OPERABLE TO EXTEND THE DURATION OF SAID CERTAIN INTERVALS BY INTERRUPTING THE FREE RUNNING OF SAID TIMING MEANS; SECOND MEANS ACTUTHE FREE ATABLE TO INTERRUPT THE OPERATION OF SAID FIRST MEANS; INFORMATION STORAGE MEANS STORING INFORMATION REPRESENTING TIMES FOR ACTUATING SAID SECOND MEANS; A TIME OF DAY CLOCK; COMPARATOR MEANS FOR COMPARING THE OUTPUT OF SAID CLOCK WITH SAID TIMES STORED BY SAID STORAGE MEANS; MEANS RESPONSIVE TO SAID COMPARATOR MEANS FOR ACTUATING SAID SECOND MEANS; AND STORED PROGRAM COMPUTING MEANS RESPONSIVE TO SAID DECTOR MEANS OUTPUT SIGNAL FOR MODIFYING SAID INFORMATION STORED BY SAID INFORMATION STORAGE MEANS.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |