US3683379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle control system and equipment
Assignee: Motorola Solutions Inc
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Filing: 1970-10-21
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Granted: 1972-08-08
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Expires: 1990-10-21
Abstract
Abstract A vehicle warning and control system and equipment is disclosed utilizing radio frequencies and the Doppler principle wherein one of the vehicle lights acts as the R.F. radiator, reflector, receiving antenna as well as an illuminator, and through standard circuitry supplies a warning signal or a brake activating signal.
Inventors
- 👤 Ivan R Saddler
- 👤 Robert W Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:37
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/93; G01S13/931; B; B60; B60Q; B60Q1/00; B60Q1/0017; B60Q1/0023; G01S2013/93185; G01S2013/9327; G01S2013/93271; G01S2013/93277
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
41 words
In a radio frequency Doppler effect vehicle control system for controlling the distance of such vehicle relative to another object, a transmitting and receiving antenna system for said radio frequency comprising the filament and reflector of one of said vehicle lights.
Claim 2
Dependent Claim
41 words
In a radio frequency Doppler effect vehicle control system for controlling the distance of such vehicle relative to another object, a transmitting and receiving antenna system for said radio frequency comprising the filament and reflector of one of said vehicle lights.
Claim 3
Dependent Claim
21 words
The invention according to claim 1 wherein said filament and reflector are those of the left front headlight of an automobile.
Claim 4
Dependent Claim
15 words
The invention according to claim 1 wherein said control system comprises an alarm signal device.
Claim 5
Dependent Claim
15 words
The invention according to claim 3 wherein said alarm signal device comprises an audible alarm.
Claim 6
Dependent Claim
17 words
The invention according to claim 2 wherein the vehicle control system comprises a vehicle brake operating device.
Claim 7
Dependent Claim
79 words
A vehicle control system for a vehicle having a headlight including a filament and a reflector mounted thereon comprising a high frequency oscillator on such vehicle, a transmitting radiator of said high frequency comprising the filament of said headlight, a reflector for said radiator comprising the reflector of said headlight, said reflector and filament constituting the receiving antenna means, signal detecting and amplifying means connected to said receiving antenna means, and vehicle control means connected to said amplifying means.
Claim 8
Dependent Claim
79 words
A vehicle control system for a vehicle having a headlight including a filament and a reflector mounted thereon comprising a high frequency oscillator on such vehicle, a transmitting radiator of said high frequency comprising the filament of said headlight, a reflector for said radiator comprising the reflector of said headlight, said reflector and filament constituting the receiving antenna means, signal detecting and amplifying means connected to said receiving antenna means, and vehicle control means connected to said amplifying means.
Claim 9
Dependent Claim
14 words
The invention according to claim 6 wherein the oscillator comprises a continuous wave oscillator.
Claim 10
Dependent Claim
20 words
The invention according to claim 2 wherein the radio frequency is essentially the natural resonant frequency of the headlight filament.
Claim 11
Dependent Claim
17 words
The invention according to claim 2 wherein the radio frequency is of the order of 850 megahertz.
Claim 12
Dependent Claim
30 words
The invention according to claim 2 wherein the control system is operative for difference velocities of two vehicles going in the same direction between 5 and 90 feet per second.
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |