US5684474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collision avoidance detector
Assignee: TRANSTECH CONTROL Ltd
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Filing: 1996-03-13
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Granted: 1997-11-04
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Expires: 2016-03-13
Abstract
Abstract A collision avoidance detector including a transceiver installed in a rear portion of a leading vehicle operative to transmit a signal to and receive a reflected signal from a trailing vehicle, a processor operative to process the signals and derive therefrom information concerning a safe distance criterion between the leading and trailing vehicles and an alarm device, wherein the processor actuates the alarm device if the safe distance criterion is not met.
Inventors
- 👤 Shmuel Gilon
- 👤 Robert Zelig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:43
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/16; G08G1/161; G08G1/163; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/50; B60Q1/525; B60Q1/535; G01; G01S; G01S13/00; G01S13/88; G01S13/93; G01S13/931; G01S2013/9317; G01S2013/932; G01S2013/9322; G01S2013/9325; G01S2013/9327; G01S2013/93272; Y; Y10; Y10S; Y10S367/00; Y10S367/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A method of collision avoidance comprising: transmitting a signal from a rear portion of a leading vehicle to a trailing vehicle; receiving a reflected signal from said trailing vehicle; processing said signals and deriving therefrom information concerning a safe distance criterion between said leading and trailing vehicles; and causing flashing illumination of brake lights of said leading vehicle if a first safe distance criterion is not met, and causing continuous illumination of said brake lights of said leading vehicle if a second safe distance criterion is not met.
Claim 2
Independent Claim
88 words
A method of collision avoidance comprising: transmitting a signal from a rear portion of a leading vehicle to a trailing vehicle; receiving a reflected signal from said trailing vehicle; processing said signals and deriving therefrom information concerning a safe distance criterion between said leading and trailing vehicles; and causing flashing illumination of brake lights of said leading vehicle if a first safe distance criterion is not met, and causing continuous illumination of said brake lights of said leading vehicle if a second safe distance criterion is not met.
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) | 2000-11-03 | 2001-05-05 | 2001-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-11-03 | 2005-05-05 | 2005-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-11-03 | 2009-05-05 | 2009-11-04 | $7700.00 | Window Closed / Lapsed |