US3345503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic parameter computer which measures the ratio of traffic volume measured at different locations
Assignee: SPX Technologies Inc
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Filing: 1963-08-29
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Granted: 1967-10-03
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Auer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:07
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/01; G08G1/0104; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/161; G06G7/48; G06G7/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A TRAFFIC PARAMETER COMPUTER FOR PROVIDING A VOLTAGE ANALOG OF THE RATIO OF TRAFFIC VOLUMES AT DIFFERENT LOCATIONS, COMPRISING, DETECTING MEANS SITUATED AT EACH OF SAID LOCATIONS, AN AMPLIFIER HAVING AN INPUT AND AN OUTPUT, A CAPACITOR SHUNTED BETWEEN THE INPUT AND OUTPUT OF SAID AMPLIFIER, FIRST MEANS RESPONSIVE TO ONE OF SAID VEHICLE DETECTOR MEANS FOR COUPLING A PULSE OF A PREDETERMINED AMOUNT OF SAID ENERGY TO THE INPUT OF SAID AMPLIFIER IN RESPONSE TO EACH VEHICLE DETECTED AT A FIRST OF SAID LOCATIONS, AND SECOND MEANS RESPONSIVE TO THE OTHER OF SAID VEHICLE DETECTORS FOR COUPLING A PULSE OF ENERGY HAVING A MAGNITUDE PROPORTIONAL TO THE OUTPUT OF SAID AMPLIFIER FROM THE OUTPUT OF SAID AMPLIFIER TO THE INPUT OF SAID AMPLIFIER IN RESPONSE TO EACH VEHICLE DETECTED AT ANOTHE OF SAID LOCATIONS, WHEREBY THE OUTPUT OF SAID AMPLIFIER IS REPRESENTATIVE OF THE RATIO OF THE TRAFFICE VOLUMES AT SAID FIRST AND SECOND LOCATIONS.
Claim 2
Dependent Claim
156 words
A TRAFFIC PARAMETER COMPUTER FOR PROVIDING A VOLTAGE ANALOG OF THE RATIO OF TRAFFIC VOLUMES AT DIFFERENT LOCATIONS, COMPRISING, DETECTING MEANS SITUATED AT EACH OF SAID LOCATIONS, AN AMPLIFIER HAVING AN INPUT AND AN OUTPUT, A CAPACITOR SHUNTED BETWEEN THE INPUT AND OUTPUT OF SAID AMPLIFIER, FIRST MEANS RESPONSIVE TO ONE OF SAID VEHICLE DETECTOR MEANS FOR COUPLING A PULSE OF A PREDETERMINED AMOUNT OF SAID ENERGY TO THE INPUT OF SAID AMPLIFIER IN RESPONSE TO EACH VEHICLE DETECTED AT A FIRST OF SAID LOCATIONS, AND SECOND MEANS RESPONSIVE TO THE OTHER OF SAID VEHICLE DETECTORS FOR COUPLING A PULSE OF ENERGY HAVING A MAGNITUDE PROPORTIONAL TO THE OUTPUT OF SAID AMPLIFIER FROM THE OUTPUT OF SAID AMPLIFIER TO THE INPUT OF SAID AMPLIFIER IN RESPONSE TO EACH VEHICLE DETECTED AT ANOTHE OF SAID LOCATIONS, WHEREBY THE OUTPUT OF SAID AMPLIFIER IS REPRESENTATIVE OF THE RATIO OF THE TRAFFICE VOLUMES AT SAID FIRST AND SECOND LOCATIONS.
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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |