Patent US3181150A successfully refreshed from Google Patents.
US3181150A
Expired / Lapsed
US
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Indicating device
Assignee: Telefunken AG
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Filing: 1960-11-25
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Granted: 1965-04-27
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Ruppersberg Hans Klaus
- 👤 Schallehn Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:21
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/01; G08G1/015; G01; G01P; G01P3/00; G01P3/42; G01P3/50; G01P3/54; G01S; G01S13/00; G01S13/88; G01S13/91; G01S13/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
APPARATUS FOR DETERMINING AND INDICATING THE TYPE AND SPEED OF VEHICLES, COMPRISING, IN COMBINATION; EMITTING AND RECEIVING MEANS FOR EMITTING ELECTROMAGNETIC WAVES AND FOR RECEIVING WAVES REFLECTED BY THE VEHICLES; COUNTING MEANS FOR COUNTING THE NUMBER OF TIMES WHICH THE DOPPLER FREQUENCY TRAIN, WHICH OCCURS WHEN WAVES ARE REFLECTED FROM A MOVING VEHICLE, PASSES THROUGH ZERO DURING A PREDETERMINED TIME INTERVAL WHICH IS A FUNCTION OF THE SPEED OF THE VEHICLE, SAID COUNTING MEANS BEING SET FOR PREDETERMINED VALUES CORRESPONDING, RESPECTIVELY, TO NUMBERS OF PASSAGES THROUGH ZERO WHICH THEMSELVES CORRESPOND TO GIVEN VEHICLE TYPES; AND AN INDICATING BOARD FOR INDICATING THE VEHICLE TYPE AND SPEED THEREOF.
Claim 2
Dependent Claim
106 words
APPARATUS FOR DETERMINING AND INDICATING THE TYPE AND SPEED OF VEHICLES, COMPRISING, IN COMBINATION; EMITTING AND RECEIVING MEANS FOR EMITTING ELECTROMAGNETIC WAVES AND FOR RECEIVING WAVES REFLECTED BY THE VEHICLES; COUNTING MEANS FOR COUNTING THE NUMBER OF TIMES WHICH THE DOPPLER FREQUENCY TRAIN, WHICH OCCURS WHEN WAVES ARE REFLECTED FROM A MOVING VEHICLE, PASSES THROUGH ZERO DURING A PREDETERMINED TIME INTERVAL WHICH IS A FUNCTION OF THE SPEED OF THE VEHICLE, SAID COUNTING MEANS BEING SET FOR PREDETERMINED VALUES CORRESPONDING, RESPECTIVELY, TO NUMBERS OF PASSAGES THROUGH ZERO WHICH THEMSELVES CORRESPOND TO GIVEN VEHICLE TYPES; AND AN INDICATING BOARD FOR INDICATING THE VEHICLE TYPE AND SPEED THEREOF.
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |