US3289783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling the speed of rail traveling vehicles
Assignee: Rheinmetall Air Defence AG
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Filing: 1962-10-02
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Granted: 1966-12-06
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Expires: 1982-10-02
Abstract
No abstract record available.
Inventors
- 👤 Buhler Hansruedi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:25
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284; B; B60; B60L; B60L3/00; B60L3/08; B61; B61L; B61L15/00; B61L15/0062; B61L25/00; B61L25/02; B61L25/021; B61L3/00; B61L3/02; B61L3/08; B61L3/12; B61L3/121; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
APPARATUS FOR CONTROLLING THE SPEED A VEHICLE ALONG A PATH OF TRAVEL COMPRISING, IN COMBINATION, SWITCH MEANS CARRIED BY THE VEHICLE; TWO DETECTOR MEANS, ONE CARRIED BY THE VEHICLE AND THE OTHER FIXEDLY POSITIONED ALONG SAID PATH; ONE DETECTOR MEANS COMPRISING A PAIR OF ACTUATOR ELEMENTS SPACED APART A PREDETERMINED DISTANCE LONGITUDINALLY OF THE PATH OF TRAVEL, AND THE OTHER DETECTOR MEANS COMPRISING A SINGLE ACTUATOR ELEMENT SEQUENTIALLY COOPERABLE WITH SAID SPACED APART ACTUATOR ELEMENTS TO OPERATE SAID SWITCH MEANS TWICE AS THE VEHICLE TRAVELS SAID PREDETERMINED DISTANCE; ELECTRONIC TIMING MEANS, INCLUDING MONOSTABLE MULTIVIBRATOR MEANS, CARRIED BY THE VEHICLE AND RESPONSIVE TO OPERATION OF SAID SWITCH MEANS; ACTUATING MEANS ON THE VEHICLE CONTROLLING, WHEN ACTIVATED, A VEHICLE SPEED REGULATING MEANS; AND AN AND GATE PROVIDING AN OUTPUT SIGNAL TO SAID ACTUATING MEANS TO ACTIVATE THE LATTER, RESPONSIVE TO SAID SWITCH MEANS BEING SO OPERATED TWICE WITHIN A TIME INTERVAL DETERMINED THE TIME CHARACTERISTICS OF SAID MONOSTABLE MULTIVIBARATOR MEANS.
Claim 2
Dependent Claim
158 words
APPARATUS FOR CONTROLLING THE SPEED A VEHICLE ALONG A PATH OF TRAVEL COMPRISING, IN COMBINATION, SWITCH MEANS CARRIED BY THE VEHICLE; TWO DETECTOR MEANS, ONE CARRIED BY THE VEHICLE AND THE OTHER FIXEDLY POSITIONED ALONG SAID PATH; ONE DETECTOR MEANS COMPRISING A PAIR OF ACTUATOR ELEMENTS SPACED APART A PREDETERMINED DISTANCE LONGITUDINALLY OF THE PATH OF TRAVEL, AND THE OTHER DETECTOR MEANS COMPRISING A SINGLE ACTUATOR ELEMENT SEQUENTIALLY COOPERABLE WITH SAID SPACED APART ACTUATOR ELEMENTS TO OPERATE SAID SWITCH MEANS TWICE AS THE VEHICLE TRAVELS SAID PREDETERMINED DISTANCE; ELECTRONIC TIMING MEANS, INCLUDING MONOSTABLE MULTIVIBRATOR MEANS, CARRIED BY THE VEHICLE AND RESPONSIVE TO OPERATION OF SAID SWITCH MEANS; ACTUATING MEANS ON THE VEHICLE CONTROLLING, WHEN ACTIVATED, A VEHICLE SPEED REGULATING MEANS; AND AN AND GATE PROVIDING AN OUTPUT SIGNAL TO SAID ACTUATING MEANS TO ACTIVATE THE LATTER, RESPONSIVE TO SAID SWITCH MEANS BEING SO OPERATED TWICE WITHIN A TIME INTERVAL DETERMINED THE TIME CHARACTERISTICS OF SAID MONOSTABLE MULTIVIBARATOR MEANS.
References Cited (Backward Citations)
US2291372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |