Vigilance monitoring system for locomotive engineer
United States Patent 3246140
US Patent References:
Speed control with penalty means in continuous inductive train control systems
- - 2559397
Fluid pressure brake apparatus with safety control feature
- - 2785931
Fluid pressure brake apparatus with safety control feature
- - 2820677
Automatic sleep-warning system device for automobiles
- - 2848712
Safety control brake apparatus
- - 2872250
Speed control with penalty means in continuous inductive train control systems
- - 2559397
Fluid pressure brake apparatus with safety control feature
- - 2785931
Fluid pressure brake apparatus with safety control feature
- - 2820677
Automatic sleep-warning system device for automobiles
- - 2848712
Safety control brake apparatus
- - 2872250
Inventors:
Wrege, Warren R.
Matthews, William J.
Matthews, William J.
Publication Date:
04/12/1966
View Patent Images:
Export Citation:
Assignee:
GEN SIGNAL CORP
Primary Class:
Other Classes:
303/19, 246/187R, 105/61, 180/272, 246/167R
International Classes:
B60L3/02
US Patent References: