Class 377/9 - Vehicles

Subclass of Class 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems
Definition: Subject matter where entity is a vehicle.
No. of patents: 47
Last issue date: 01/29/2008

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Number	Title	Issue Date
7324014	Inductive loop detector with automatic frequency change A system and method is disclosed to the elimination of cross talk between inductive loop detector units in a security system. The system includes appropriate devices for assigning different operational frequencies of each loop detector circuit to avoid cross talk. I...	01/29/2008
7206514	Wireless object counter A battery powered transmitter circuit has a LED of a continuously cycling microcomputer transmit a beam of a predetermined number of infrared pulses at predetermined time periods to a sensor of a battery powered receiver circuit. Only a clock circuit of each circuit...	04/17/2007
7109887	Vehicle detector system with automatic loop checking A method and apparatus for automatically testing the integrity of an inductive loop in a vehicle detector system. A check loop is placed adjacent each inductive loop in a multi-channel vehicle detector system. Each check loop is periodically activated by the vehicle...	09/19/2006
6639521	Inductive sensor and method of use An apparatus for detecting inductance, which is generally disposed outside of the roadway surface. The apparatus includes at least one large aperture wire-loop deployed beside the roadway, on either or both sides, to detect vehicular traffic passing nearb...	10/28/2003
6384739	Traffic monitoring system and method The system provides a method for gathering and sending monitored traffic data via a short messaging system message over a wireless network through a publicly switched telephone network ("PSTN") to a central computer. A remote traffic monitoring unit acts ...	05/07/2002
6380868	Permeability-modulated carrier referencing An apparatus and method for measuring the inductance of a wire-loop without direct reference to any particular time-constant or frequency. Low-frequency noise induced into the wire-loop is canceled within the detector circuit and crosstalk between a plura...	04/30/2002
6263039	Load counter for dump truck or the like A load mechanism operation cycle counter is provided for use with a dump truck or similar vehicle. The counter preferably is operated in response to the initiation and/or cessation of signal to the counter in response to either a load containing body posi...	07/17/2001
5668540	Detection device for data relating to the passage of vehicles on a road A detection device for data relating to the passage of vehicles over a road. The detection device is to be placed in a groove provided in the upper portion of the road and comprises a first profiled strip provided with an upper cavity in a U-shape, and a ...	09/16/1997
5629674	Device for monitoring the alleyways between shelf units in a warehouse The alleyway-monitoring device disclosed has, mounted at different heights, two light barriers (16 to 26, 28 to 30), the higher of which is at a height at which the light beam can be broken only by fork-lift trucks. The light barriers produce output signa...	05/13/1997
5614894	Device to detect particularly one or several wheels of a vehicle or of a wheeled mobile engine and process for using this device A device for detecting one or several wheels of a vehicle or of a wheeled engine and a process using this device. The device is constituted by at least one electromagnetic loop and by an evaluation unit. The electromagnetic loop or loops have a small dime...	03/25/1997
5600132	Bi-directional laser light detection device having a laser light pipe A bi-directional portable laser light detection device for receiving and detecting laser light from one or more of a plurality of sources includes a laser light pipe that comprises a solid body of material that has a high index of refraction and has an in...	02/04/1997
5432508	Technique for facilitating and monitoring vehicle parking Parking for vehicles is facilitated, monitored and controlled by using sensors to determine the availability of vacant parking spaces and by indications to alert vehicle operators at a substantial distance of the availability a vacant space. A computer co...	07/11/1995
5420903	Microwave object counter and method A microwave signal is generated from a fixed source across a fixed path to trigger individual FM transmitters in passing objects such as race vehicles. A vehicle transceiver then sends an omnidirectional specific frequency FM radio carrier signal with a t...	05/30/1995
5402118	Method and apparatus for measuring traffic flow This invention aims at providing an traffic flow measurement method and apparatus attaining the stable measurement without being affected by the change in the brightness of the external environment such as daytime vehicle front, et al. In order to achive ...	03/28/1995
5392034	Vehicle classification system using profile A vehicle classification system automatically identifies types of vehicles traveling along a vehicle lane of toll road. The system has a detector for detecting the passage of the vehicle at a plurality of positions along the vehicle lane. The system furth...	02/21/1995
5389921	Parking lot apparatus and method A parking lot traffic control and fee collection system is disclosed for use in stadium type parking lots. A vehicle counter installed in a portable traffic pylon is provided at the entry point for each entrance lane of the parking lot for marking the sta...	02/14/1995
5247297	Vehicle detector method for multiple vehicle counting An estimate of the number of vehicles crossing a loop inductor having one or more interconnected discrete loops of the type found in vehicle detector system installations. A measuring signal follows changes in loop inductance caused by the influence of ve...	09/21/1993
5090030	Integral lap counter for radio-controlled models A method and apparatus for counting the laps completed by a remote-controlled model that detects a spurious radio-frequency electromagnetic signal spontaneously generated by the unmodified model. Presently, each model must carry on-board lap-counting sign...	02/18/1992
5028921	Vehicle detector method and system A method of updating the reference count in a period shift measurement vehicle detector permits conditional reference count updating in the No Call direction whenever the sample count minus reference count difference value lies between the upper limit of ...	07/02/1991
4999793	Microcomputer real-time flash x-ray controller for data acquisition A microcomputer-based real-time flash x-ray controller, which completely eliminates the "guesswork" in capturing projectiles on radiographs. The microcomputer measures the projectile velocity with high precision, calculates the correct delays in real-time...	03/12/1991
4947353	Automatic vehicle detecting system An automatic vehicle detection system within a toll collecting system has a scanning laser unit positioned on one side of a roadway, a vertical photoelectric detector on the opposite side of the roadway and a treadle extending across the roadway. The lase...	08/07/1990
4922447	Device for measuring the distance travelled and the speed of a rail vehicle A device for measuring the distance travelled by and the speed of a rail vehicle fitted with wheel-coupled distance-pulse generators is disclosed in which both distance and speed are calculated from the time distance between successive distance pulses, an...	05/01/1990
4901334	Traffic counter apparatus for selective lane use A housing assembly of the apparatus includes a roadway mounted base plate to which a housing is secured with the housing having a low profile and inclined side and end walls to permit placement of the housing assembly along a course of lane markers. The h...	02/13/1990
4862163	Traffic monitoring system An improved traffic monitoring system is disclosed in which a microprocessor is connected to an analog to digital converter providing a series of digital samples of the pressure within a road tube for analysis of the signals. If a pulse is detected exceed...	08/29/1989
4843578	Vehicle speed monitoring and logging means This invention is a means for detecting and logging the number of instances that predetermined speeds have been exceeded. This device can be used by car owners to monitor their driving habits as well as those of others using the car. Also the device of th...	06/27/1989
4524932	Railroad car wheel detector using hall effect element A Hall effect element, incorporated into an integrated circuit unit with temperature compensation, voltage regulation, and amplification, is mounted on top of a permanent magnet made of ceramic material with the critical Hall axis aligned with the magnet ...	06/25/1985
4441196	Speed independent system for obtaining preselected numbers of samples from object moving along fixed path A speed independent system is used for obtaining a preselected number of samples from an object moving along a fixed path, such as a railroad train passing through a sensing zone along the section of track. The sensing zone is defined by a pair of wheel s...	04/03/1984
4385227	Automatic delay and high velocity sensing system A circuit consisting of five cascaded binary coded decimal, UP-DOWN circuits with associated gates, a first input causes the counters to count up, at a 10 Mhz rate until any second input, which latches into memory the accumulated time in the counters, and...	05/24/1983
4383239	Detector for detecting the passage of heavy objects on a roadway A detector for detecting the passage of heavy objects on a roadway, wherein the detector is an elongate strip in the form of nested channel-section members, said members comprising, from the outside towards the inside a first channel section bar (1) made of a ...	05/10/1983
4283031	System controlling apparatus which compares signals from sensors monitoring passing objects with pre-determined parameter information to control the system A system controlling apparatus wherein an array of sensors are used for detecting information and for providing signals indicative of information concerning passing articles such as presence of an article at a sensor, number of articles passing, the direc...	08/11/1981
4271512	Information collection and storage system with memory test circuit An information recording system having an electrical circuit for counting serially occurring pulses, the number of which is indicative of certain information, a memory storage unit adapted to be removably plugged into said circuit for connection thereto a...	06/02/1981
4265419	Apparatus for car counting and discrimination An apparatus for railway car counting and discrimination comprises three transducers placed at the railway track at given distances from each other and a digital logic circuit for processing the signals from the transducers to obtain a signal for each car...	05/05/1981
4258430	Information collection and storage system with removable memory An information collection and storage system and method wherein pulses representing sensed information are counted and wherein resulting pulse counts are written into a volatile random access memory which forms a part of a detachable battery powered memor...	03/24/1981
4256278	Railway freight car identification system A system is provided for determining whether a railway car passing a sensing station is a freight car. The system utilizes wheel trips along the track at the sensing station to determine the spacing between axles of the car. If the spacing between axles i...	03/17/1981
4248396	Method and apparatus for detecting railroad cars A system for detecting railroad cars in a moving train. The cars are assumed to be of the type having two wheel trucks, each with at least two axles arranged adjacent to each other such that the maximum distance between the axles of a single truck is less...	02/03/1981
4229726	Portable electronic traffic event recorder Apparatus for recording traffic events occurring at a variety of vehicular traffic passageways, such apparatus including a portable housing unit having a keyboard presenting a predetermined pattern of pushbutton switches. A plurality of interchangeable di...	10/21/1980
4201908	Measurement and recording apparatus and system A system for measurement and recording of data as to events and conditions is disclosed including a recorder unit adapted to be located at a surveillance site and connected to detectors providing successive signals responsive to successive actuations by i...	05/06/1980
4173010	Traffic sign and improved system for recording vehicle speed Sensors are positioned adjacent a roadway. Such sensors conveniently comprise pressure switches connected to two speed hoses to be run over as in a traffic counter. Alternately, photo-optical, acoustical, or magnetic field sensors can be used. The sensors...	10/30/1979
4135155	System and method for determining vehicle ground speed A plurality of sensors are located on one of the bodies, staggered by fixed distances from each other along the direction of relative movement. The sensors are responsive to a characteristic of the other body, for example to surface characteristics of a r...	01/16/1979
4070560	Transit zone monitor circuit A zone monitor circuit for a transit zone having plural entry-exit ports each equipped with a sensor that generates an arrival pulse signal when a vehicle or other movable object passes through the port into the zone and that generates a departure pulse s...	01/24/1978

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Class 377/9 - Vehicles