Matches 151 - 156 out of 156 < 1 2 3 4
Match Document Document Title
4051525 Raisable and lowerable surveillance camera assembly  
A surveillance camera assembly is mounted upon a selectively raisable and lowerable support assembly provided on a hollow pole shaft. A coaxial cable is connected to the surveillance camera and...
3872423 VEHICLE PACER SYSTEM AND A METHOD OF SPACING MOVING VEHICLES ALONG A TRAFFIC LANE OF A ROADWAY  
In order to maintain successive vehicles in a traffic lane in spaced apart relation, a series of means are disposed along the traffic lane to display a pacing signal. Each of these means is adapted...
3685012 APPARATUS FOR DETERMINING DATA ASSOCIATED WITH OBJECTS  
Apparatus for determining data associated with objects such as vehicular traffic on a roadway. An alternating pattern comprising colinearly arranged contrasting portions adjacent each other is...
3671885 HIGH FREQUENCY SIGNAL ROUTING DEVICES FOR USE IN CATV SYSTEMS  
Passive devices for signal routing such as directional couplers, hybrid splitters and power inserters, for use in CATV or similar signal distribution systems having improved operating...
3663937 INTERSECTION INGRESS-EGRESS AUTOMATIC ELECTRONIC TRAFFIC MONITORING EQUIPMENT  
An electronic detection circuit identifies several traffic paths through an intersection as a vehicle passes over a predetermined sequence of discrete separated positions identifying a path. A...
3435358 CABLE TELEVISION AMPLIFIER POWERING  
Matches 151 - 156 out of 156 < 1 2 3 4