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US4772868A
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Signal warning system for motor vehicle
Assignee: Individual
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Filing: 1987-07-28
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Granted: 1988-09-20
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Expires: 2007-07-28
Abstract
Abstract A signal warning system for use with an automotive vehicle as to the application of the vehicle's deceleration in excess of a predetermined speed sensed by the system, thereby continuously flashing a lamp thereof for warning a following car.
Inventors
- 👤 Cheng-Shyang Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:05
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/44
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
126 words
A signal warning system for motor vehicles comprising: a gate means having a plurality of input leads and an output lead; a speed sensoring means coupled to an input lead of the gate means for sensoring a speed rate of a motor vehicle; an ignition sensoring means coupled to another input lead of the gate means for sensoring an ignition rate of the motor vehicle; a timing means having an input lead coupled to the output lead of the gate means for receiving signals from the gate means; and a warning means having a light disposed therein coupled to the output lead of the timing means for receiving signals from the timing means; whereby said signal warning system can contiunously flash for warning a following car.
Claim 2
Dependent Claim
126 words
A signal warning system for motor vehicles comprising: a gate means having a plurality of input leads and an output lead; a speed sensoring means coupled to an input lead of the gate means for sensoring a speed rate of a motor vehicle; an ignition sensoring means coupled to another input lead of the gate means for sensoring an ignition rate of the motor vehicle; a timing means having an input lead coupled to the output lead of the gate means for receiving signals from the gate means; and a warning means having a light disposed therein coupled to the output lead of the timing means for receiving signals from the timing means; whereby said signal warning system can contiunously flash for warning a following car.
Claim 3
Dependent Claim
15 words
The signal warning system of claim 1 wherein said gate means is an AND gate.
Claim 4
Dependent Claim
24 words
The signal warning system of claim 1 wherein said speed sensoring means includes a setting means disposed therein for setting a predetermined speed rate.
Claim 5
Dependent Claim
30 words
The signal warning system of claim 1 wherein said warning means can be electrically connected with a tail light, an indicator light or a brake light of the motor vehicle.
Claim 6
Dependent Claim
15 words
The signal warning system of claim 3 wherein said setting means is a variable resistor.
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) | 1991-09-20 | 1992-03-21 | 1992-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-20 | 1996-03-21 | 1996-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-20 | 2000-03-21 | 2000-09-20 | $7700.00 | Window Closed / Lapsed |