Browse Prior Art Database

Varying Intensity Sudden Stop Brake Light System

IP.com Disclosure Number: IPCOM000004415D
Publication Date: 2000-Nov-08
Document File: 1 page(s) / 14K

Publishing Venue

The IP.com Prior Art Database

Abstract

The present invention is a brake light system in which the intensity of the brake light increases the greater the pressure applied to the brake pedal.

This text was extracted from a Rich Text Format document.
This is the abbreviated version, containing approximately 100% of the total text.

Varying Intensity Sudden Stop Brake Light System

The brake lights of a vehicle serve to warn other vehicles that the vehicle is decelerating or is stopped. Conventional brake lights however, fail to indicate the rate of deceleration of a vehicle. As a result, the brake light does not indicate when a vehicle is coming to a sudden stop, which are the cause of many rear end collisions. What is needed is a brake light system that indicates when a vehicle is making a sudden stop or decelerating rapidly.

The present invention is a brake light system in which the intensity of the brake light increases the greater the pressure applied to the brake pedal.

In Figure 1 a varying intensity sudden stop brake light system is shown. Pressure applied to the brake pedal 110 causes pressure transducer 120 (of piezo electric type for example) to generate an analog signal that is proportional to pressure applied to brake pedal 110. The analog signal from pressure transducer 120 is converted by A/D converter 130 to a digital signal and transmitted to program logic device 140. Program logic device 140 sends signal, to D/A converter 150, which converts signal to analog signal that is transmitted to brake light driver 160. Brake light driver 160 sends electric current to brake light 170, which causes brake light 170 to illuminate. The algorithm contained in program logic device 140 is programmed such that the greater the pressure applied to brake pedal 110, the stronger the signal transmitted by program logic devise 140 and consequently the brighter the intensity of brake light 170.

Figure 1 A varying intensity sudden stop brake light system