Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 6463337 | Railroad vital signal output module with cryptographic safe drive A railroad vital signal output module provides a predetermined output signal in response to a certain module input only under conditions that insure vitality of the output signal. The module includes a master microcontroller and a plurality of slave micro... | 10/08/2002 |
| 6253128 | Interference prediction apparatus for unmanned vehicle Interference prediction apparatus is applied when an unmanned vehicle is guided within a course area based on travel position and course data, and comprises a device for inputting the form of the course area, a device for preparing course data, device for... | 06/26/2001 |
| 5758847 | Control device for overhead conveyor A control device for conveyor systems in an industrial area has a drive motor in each overhead conveyor, a drive control, and an associated sensor consisting of a transmitter aimed at the leading overhead conveyor and a receiver for the signal reflected b... | 06/02/1998 |
| 5642869 | Apparatus for detecting the distance between two objects An optical scanner transmits a light beam from the forward end of a moving track vehicle with the beam inclined toward the direction of movement toward another vehicle on the track. A highly reflective retroreflector tape is secured to the rear end of the... | 07/01/1997 |
| 5388789 | System for safely and automatically controlling the distance between vehicles The present invention provides a system for automatically controlling the distance between vehicles following each other on the same drive track which includes in each vehicle a drive device, brake device, distance sensing device, vehicle speed measuring ... | 02/14/1995 |
| 5037045 | Self-propelled carrier conveyor having carrier distancing control A conveyor comprising a plurality of self-propelled carriers with each carrier having a distance sensor for stepwise detecting the distance between each carrier and a preceding carrier, and a device for controlling the speed of each carrier to maintain th... | 08/06/1991 |
| 4965583 | Collision avoidance system for automatically controlled vehicles moving at short headways Safe separation distances between automatically controlled vehicles moving at short headways on a guideway are maintained through the cooperative action of a block control system and reflectometer (radar) and transponder (beacon) intervehicle distance mea... | 10/23/1990 |
| 4955291 | Conveyor with self propelled vehicles each having an on board control A conveyor system (10) is disclosed comprised of a plurality of vehicles (12), propelled about a guide track (14) by a D.C. motor (54) and battery (52), featuring an on-board control (40) in which signals from fore and aft and side mounted photosensors (3... | 09/11/1990 |
| 4947759 | Proximity control system A proximity switching system comrising a plurality of self-propelled vehicles mounted in tandem on a track and carrying magnetic proximity switches for controlling the vehicle propulsion. Each vehicle has a first magnet mounted on the front end at a first... | 08/14/1990 |
| 4735384 | Apparatus for detecting the distance between a rail vehicle and a remote obstacle on the rail A rail vehicle of a type for running on a pair of parallel rails has an apparatus for detecting the distance between it and a forward remote vehicle, for detecting the speed of the forward remote vehicle and for detecting discontinuities in the track. Thi... | 04/05/1988 |
| 4578665 | Remote controlled surveillance train car A self-propelled remotely controlled satellite car precedes a train along train tracks. The satellite car is remotely controlled to travel a predetermined distance ahead of the train. The satellite car is equipped with a sensor array which measures a vari... | 03/25/1986 |
| 4524931 | Device for indicating a certain proximity between movable units A device for indicating a certain proximity between movable units emitting to the units a synchronizing signal with a very high transmission speed. A transmitter device is situated at least on certain of the units. The transmitter device is activated by t... | 06/25/1985 |
| 4361202 | Automated road transportation system An automated transportation system for vehicular travel along a roadway is presented. The roadway can be any hard surface that contains an embedded metallic guiderail along its center. A proximity transducer (metal detector) installed under the vehicle, s... | 11/30/1982 |
| 4133505 | Railway safety system using intensity of current A railway safety system uses intensity of current measurements in order that a train driver can have a continuous evaluation of the mutual distance between his train and the next one in front of or rear to it. Two ammeters give this indication by measurin... | 01/09/1979 |
| 4028603 | Device for detecting and positioning a mobile object capable of moving in at least one given path Detecting device for detecting the position of a mobile object movable in at least one given path. It comprises a distance sensor fixed to the object and a distance information support extending along said path so that it can be scanned by the sensor. The... | 06/07/1977 |
| 3964702 | Anti-collision safety device for a passenger transport system on tracks An anti-collision safety control for vehicles travelling on tracks; the control comprises two safety loops per vehicle, linked to two common loops in a central control station. Each vehicle loop comprises control circuits for determining the distance to t... | 06/22/1976 |
