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Match Document Document Title
8884869 Court border module using display apparatus  
A court border module using a display apparatus is disclosed, which uses piezoelectric elements to drive the display apparatus. When a ball hits a court border, which is defined by the display...
8786415 Tracking system using proximity and/or presence  
A system simultaneously tracks multiple objects. All or a subset of the objects includes a wireless receiver and a transmitter for providing an output. The system includes one or more wireless...
8749385 System and method for detecting whether an object or person crosses a limit marked by a magnetic field  
A device for recognizing when an object or a person crosses a threshold that is marked by a magnetic field comprises a first magnetic field sensor that is designed to detect a first magnetic field...
8362912 Method and apparatus for preventing hitting in a restricted zone during game play  
An apparatus for preventing hitting in a restricted zone during game play includes a signal generator for signaling the location of a restricted zone in a playing area contained by a barrier. A...
8333663 Game device, method of controlling game device, program, and information storage medium  
To provide a game device capable of allowing a user to feel a difference in state of mind between a player of a winning team and a player of a losing team when defending. A selection unit (56)...
8279051 Realtime coaching system  
A method and system for improving the effectiveness of coaches and video game designers for games like soccer, American football, basketball, lacrosse or ice hockey by using RF technology and...
8253571 Apparatus for sensing impact of a body on a trip located on a support  
An apparatus for sensing impact of a body on a strip located on a support, characterized by comprising: a strip (2) of material presenting piezoelectric characteristics, applicable to a support in...
8199199 Method and system for real time judging boundary lines on tennis court  
There is provided a method and a system for registration of real time position of tennis ball relatively to boundary lines on tennis court. The method and system comprise sensitive to...
7854669 Trajectory detection and feedback system  
A disclosed device provides a trajectory detection and feedback system. The system is capable of detecting one or more moving objects in free flight, analyzing a trajectory of each object and...
7850552 Trajectory detection and feedback system  
A disclosed device provides a trajectory detection and feedback system. The system is capable of detecting one or more moving volleyballs in free flight, analyzing a trajectory of each volleyball...
7846046 System and method of preparing a playing surface  
A movable frame may be positioned about a playing surface and defines a substantially straight pathway for a tool to follow while altering a playing surface, such as by cutting or marking the...
7649466 Localization system and method for localizing objects or animals using such a localization system  
In particular situations it may be desirable to follow, trace or otherwise localize specific (groups of) objects or animals, in particular people. The invention relates to a localization system....
7649467 System and method for localizing sports equipment  
When playing a sport it is generally difficult to localize (exactly) an accessory requirement for that sport at a determined point in time. The localizing of sports equipment may however be...
7632197 System for confirming hit locations on tennis court boundaries  
The present invention is an article and process for determining the site of impact of a movable object on a treated surface, where a tennis ball is treated with a striking composition, and a...
7369038 Automated detection system for sports fields and the like  
A computer monitoring system includes a processor and sensors electrically thereto that are positioned beneath the playing surface directly below a boundary line. The sensors are connected in...
6661342 System and method for using impulse radio technology to track the movement of athletes and to enable secure communications between the athletes and their teammates, fans or coaches  
A system, electronic device and method are provided that utilize the positioning capabilities of impulse radio technology to track one or more moving athletes. The movement of these athletes can...
6634967 Baseball umpiring system  
A T.V camera in center field beyond the playing field directed at the home plate along a main axis. The camera senses the baseball in the strike zone. A second T.V. camera directed at the home...
6270433 Player position detection system  
A system for locating players on a field includes first and second directional scanning antennas located adjacent the field. A transponder carried by the players detects the radiation from each...
6135456 Target apparatus and methods for playing new target games  
A target apparatus for use in playing new target games comprises a frame within which one or more of a plurality of target zones may be visually designated, with the location of the visually...
6024658 Game ball monitoring method and apparatus  
PCT No. PCT/GB95/01809 Sec. 371 Date Jan. 28, 1997 Sec. 102(e) Date Jan. 28, 1997 PCT Filed Jul. 31, 1995 PCT Pub. No. WO96/04047 PCT Pub. Date Feb. 15, 1996A method of determining in a game of...
5976038 Apparatus for detecting moving ball  
A system is provided with a directional antenna having first and second antenna patterns oriented around an antenna boresight direction. The antenna boresight is oriented in a direction...
5954599 Automated sport boundary officiating system  
An automated method and apparatus for determining whether a ball in a sport has contacted the ground in or out of bounds as well as where along the boundary the impact occurred. A pair of...
5954308 Volleyball net clamps  
A clamp for securing a vertically disposed elongated antenna to the horizontal edge of a volleyball net has a base wall and an oppositely disposed spaced clamping wall secured together at adjacent...
5908361 Automated tennis line calling system  
A system is described for the automatic detection of ball bounces on a tennis court, and which is applicable to similar games. The system comprises a sonar-like sound system in conjunction with a...
5800292 Tennis court boundary detection system  
System for detecting whether a conductive felt covered game ball has landed within the boundary area of a gaming surface. The system incorporates permanently installed decorative circuits which...
5672128 Electronic automated game line  
An electronic switch device designed to detect surface contact along a boundary surface. The electronic switch device can be used as an electronic automated game line comprising a very thin game...
5585778 Device for detecting net faults in tennis  
A device for for detecting net faults in tennis including a sensor mounted near or on the net or its anchoring components. The sensor is an accelerometer or a piezoelectric transducer that...
5489886 Automatic line officiating system and method thereof  
An automatic line officiating system including a video camera and associated optics and electronics disposed adjacent to a line to be officiated and arranged with the longitudinal axis of its...
5394824 Thermochromic sensor for locating an area of contact  
A thermochromic sensor for locating the area of contact between two surfaces moving in relation to each other, has applications in boundary line officiating and other situations where the location...
5348309 Sport net  
A new and improved sport net includes a net assembly which includes two long sides, a first short side, and a second short side. A first sleeve member is connected to the first short side of the...
5342042 Ball location system  
An arrangement to determine whether a tennis ball is "in" or "out" on a playing surface, which includes both a transmit coil and a receive coil beneath the playing surface and a modified tennis...
5303915 Tennis ball to line location  
A means and arrangement to assist in determining the location of a ball relative to a line of a game surface is disclosed. The arrangement utilizes transmit and receive coils buried beneath lines...
5150895 Method of and system for determining a position of ball relative to a playing field, and ball provided therefor  
A ball is provided with a radar signal reflecting element, so that during a game a radar sends a signal to the ball and receives a reflected signal which is compared by a computer with a stores...
5138322 Method and apparatus for radar measurement of ball in play  
A system for continuously and precisely measuring the positions of a generally symmetrical object, e.g., a tennis ball, in motion in a predefined three-dimensional region, e.g., a tennis court,...
5082263 Method of and system for determining position of tennis ball relative to tennis court, and tennis ball provided therefor  
A tennis ball is provided with a radar signal reflecting element, so that during a tennis game a radar sends a signal to the tennis ball and receives a reflected signal which is compared by a...
5059944 Tennis court boundary sensor  
Optical system for detecting and signaling a ball out-of-bounds condition on a tennis court. An optical shape plane interfered by a tennis player disables an underlying optical timed plane. The...
4867449 Electrically operated line monitor for tennis  
An electrically operated line monitor for tennis wherein different characteristics are used for rays which are projected from the same first position to the same second position. In one embodiment...
4866414 Optoelectronic lawn tennis linesman system  
The optical line watchers continuously monitor the out areas along the court lines, selectively capture the images when the ball touches the watched areas, and convert optical information into...
4859986 Object touchdown and net contact detection systems and game apparatus employing same  
Systems for automatically determining whether a conductive, volant game device touches down in bounds or out of bounds on a playing surface. The system includes boundary line and out of bounds...
4855711 Impact detection apparatus  
An impact detection apparatus (10) includes a device that utilizes multiple sensor elements (11) to determine whether or not a ball lands in or out on a tennis court (12). The sensor positions...
4840377 Electrical tape boundary sensor apparatus  
A system is provided that analyzes the output voltage caused by the impact of an object, particularly a tennis ball, relative to a boundry line. It combines sensors mounted on a tennis court's...
RE32842 Arbitration of tennis by change of colors  
Disclosed herein is apparatus to precisely determine if a tennis ball hits in or out of the tennis court area. A pressure sensitive layered material which changes colors upon the tennis ball...
4718669 Electrically operated line monitor for tennis  
An electrically operated line monitor for tennis which uses one or more rays substantially smaller in effective cross-section than a tennis ball to monitor areas of a tennis court adjacent...
4664376 Line fault detector  
A plurality of coils (2) are situated beneath a playing surface (4), for example of a tennis court, and extending end to end adjacent a boundary line (5). An oscillator circuit (FIG. 2) associated...
4538811 Arbitration of tennis by change of colors  
Disclosed herein is apparatus to precisely determine if a tennis ball hits in or out of the tennis court area. A pressure sensitive layered material which changes colors upon the tennis ball...
4528548 Validity signal apparatus for monitoring a line boundary  
Apparatus for determining the validity of a kill shot in racketball or handball, or the like, or of an "out" ball in tennis includes light beam arrays and the interruption of one or more light...
4432058 Micro-computer network systems for making and using automatic line-call decisions in tennis  
Systems are disclosed for making automated decisions in tennis based on analyzing effects resulting from the bounce of a tennis ball by means of pattern recognition in order to determine whether...
4422647 Volleyball out of bounds detecting and indicating system  
The detection and indication of volleyball out of bounds occurrences is realized by means of a light beam type system that distinguishes between the volleyball and other beam disrupting agents....
4375289 Apparatus for monitoring a boundary line  
Apparatus for registering a chance event, particularly the passage of a ball over a closed boundary line in a game, is described wherein the ball contains an oscillatory circuit. Two parallel...
4365805 System for monitoring tennis court boundary lines  
A system for aiding a person in determining whether a ball has struck one of a plurality of boundary lines of a playing court. A plurality of laminated, pressure sensitive contact type switches...

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