Patent ID: 6946965
Filing Date: 2005-09-20
Classification: B60K,G08B

Abstract:
1. A device for alerting a driver of a motorized vehicle as to the onset of fatigue, said device comprising: an indicator lamp affixed to a part of the vehicle located in the upper periphery of the field of vision of the driver, so as to be viewable by the driver in the upper periphery of the field of vision of the driver, an electrical control circuit for controlling illumination of said indicator lamp so as to provide illumination thereof after passage of a predetermined time interval, a driver controlled reset switch for providing resetting of said time interval upon depression thereof by the driver; alarm means for producing an alarm signal when said indicator lamp has been illuminated after the passage of said predetermined time interval and said reset switch has not been depressed after passage of a further predetermined time period, automatic deactivation means for sensing a first characteristic of a first parameter related to vehicle operation and for deactivating said control circuit so as to prevent illumination of said indicator lamp by said control circuit responsive to sensing said characteristic; and automatic activation means for sensing a further characteristic of a parameter related to vehicle operation and for activating said control circuit so as to enable illumination of said indicator lamp by said control circuit responsive to sensing said further characteristic, wherein the vehicle includes vehicle brakes having applied and non-applied braking states, wherein said first parameter is the braking state of the brakes and wherein said first characteristic is whether the brakes are in the applied state.