3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7416231 | Collision detecting apparatus for vehicle A collision detecting apparatus has a plurality of collision detecting means and a determination means for determining a collision based on at least one of outputs of the plurality of collision detecting means. Each of the collision detecting means has a crank membe... | 08/26/2008 |
| 7325453 | Activity monitoring An activity monitor is provided that can be cheaper and require lower power than existing activity monitors. A single output channel from a plurality of motion sensors is provided and monitored intermittently. ... | 02/05/2008 |
| 7308818 | Impact-sensing and measurement systems, methods for using same, and related business methods Impact-sensing and measurement systems are disclosed, especially for use in contact sports and related activities that involve exchanges of impacts or blows. The system generally includes at least one impact sensor, a controller, and a feedback device. The controlle... | 12/18/2007 |
| 7292151 | Human movement measurement system A system for measuring the position of transponders for testing and training a user to manipulate the position of the transponders while being guided by interactive and sensory feedback through a bidirectional communication link to a processing system for the purpos... | 11/06/2007 |
| 7278957 | Sports training device A sports training device includes a body having at least one hitting surface sized and shaped so as to receive a punch or kick delivered by a user. A sound generator is carried by the body for generating an audible sound and includes a switch carried by the body for... | 10/09/2007 |
| 7259747 | Interactive video display system A device allows easy and unencumbered interaction between a person and a computer display system using the person's (or another object's) movement and position as input to the computer. In some configurations, the display can be projected around the user so that tha... | 08/21/2007 |
| 7145457 | Integrated visualization of security information for an individual A security method including receiving data from devices and normalizing the received data based on uniquely identified objects. ... | 12/05/2006 |
| 7128692 | Methods and systems for providing quantitative assessment and relaying of fighter performance The present invention features various systems and methods for assessing, measuring, quantifying, and/or relaying athlete performance information, and particularly performance information relating to fighters or boxers. More particularly, the present invention relat... | 10/31/2006 |
| 7094164 | Trajectory detection and feedback system A trajectory detection and feedback system is described. The system is capable of detecting one or more moving objects in free flight, analyzing a trajectory of each object and providing immediate feedback information to a human that has launched tile object into fl... | 08/22/2006 |
| 7084887 | Marker layout method, mixed reality apparatus, and mixed reality space image generation method There is disclosed a marker layout method in a mixed reality space, which can reliably detect markers in units of players, even when a plurality of players share a common mixed reality space. According to this invention, markers to be used by only a given player are... | 08/01/2006 |
| 7041039 | Interactive boxing trainer The invention relates to an interactive boxing trainer which includes a main frame, a driving unit, a control unit, a pair of boxing gloves with a respective signal transmitter and a pair of shoes with a respective signal transmitter. The main frame contains a longi... | 05/09/2006 |
| 7038855 | System and method for tracking and assessing movement skills in multidimensional space Accurate simulation of sport to quantify and train performance constructs by employing sensing electronics for determining, in essentially real time, the player's three dimensional positional changes in three or more degrees of freedom (three dimensions); and comput... | 05/02/2006 |
| 6929479 | Athlete training device An athlete training device includes a first sensor pad for signaling when a first object has been removed from the first pad and a second sensor pad for signaling when an athlete's hand has been removed from the second pad. A third sensor signals when the athlete ha... | 08/16/2005 |
| 6918845 | Goaltender training apparatus A training device for a goaltender employs a plurality of transceivers mounted within a housing that emit beams that are reflected off of cooperative reflectors attached to a goal. The transceivers and reflectors are aligned such that uninterrupted reflected beams a... | 07/19/2005 |
| 6876496 | System and method for tracking and assessing movement skills in multidimensional space Accurate simulation of sport to quantify and train performance constructs by employing sensing electronics for determining, in essentially real time, the player's three dimensional positional changes in three or more degrees of freedom (three dimensions); and comput... | 04/05/2005 |
| 6784792 | Method and device for recognition of a collision with a pedestrian A method of deciding with a high reliability whether an impact with the front side of a vehicle has been caused by a pedestrian is described. Two decision criteria are formed, and only if both decision criteria are met is it decided an impact with a pedestrian has o... | 08/31/2004 |
| 6765726 | System and method for tracking and assessing movement skills in multidimensional space Accurate simulation of sport to quantify and train performance constructs by employing sensing electronics for determining, in essentially real time, the player's three dimensional positional changes in three or more degrees of freedom (three dimensions); and comput... | 07/20/2004 |
| 6430997 | System and method for tracking and assessing movement skills in multidimensional space Accurate simulation of sport to quantify and train performance constructs by employing sensing electronics for determining, in essentially real time, the player's three dimensional positional changes in three or more degrees of freedom (three dimensions);... | 08/13/2002 |
| 6308565 | System and method for tracking and assessing movement skills in multidimensional space Accurate simulation of sport to quantify and train performance constructs by employing sensing electronics for determining, in essentially real time, the player's three dimensional positional changes in three or more degrees of freedom (three dimensions);... | 10/30/2001 |
| 6098458 | Testing and training system for assessing movement and agility skills without a confining field A movement skills assessment system without a confining field includes a wireless position tracker coupled to a personal computer and viewing monitor for the purpose of quantifying the ability of a player to move over sport specific distances and directio... | 08/08/2000 |
| 6093119 | Football training and evaluation apparatus A football training and evaluation apparatus has a frame, a contacting element, and a force transferring member connected to the frame and the contacting element. A measuring-signaling element is connected to the force transferring member and is adapted t... | 07/25/2000 |
| 6044704 | Follow-through measuring device A follow-through measuring device for measuring and displaying the time duration of impact comprises a piezoelectric sensor for sensing the presence of force while the athletic implement is in contact with a ball. The sensor provides a signals with a time... | 04/04/2000 |
| 5913242 | Portable jumping force measuring platform A measuring platform having three supporting units arranged in a triangle, fixed and fitted with force measuring sensors, and stabilized with each other via a baseplate so that it is also possible to measure simultaneous jump-off and/or landing forces for... | 06/15/1999 |
| 5723786 | Boxing glove accelerometer These and other objects are provided by a novel boxing glove impact measuring system. The boxing glove impact measuring system includes a boxing glove body and an impact measuring device disposed in the boxing glove body. The system also includes an impac... | 03/03/1998 |
| 5469740 | Interactive video testing and training system A testing and training system for measuring and assessing leg reaction movement sequence of a subject includes a test field having a plurality of load sensing target positions defining vectored movement paths for the subject, the field and target position... | 11/28/1995 |
| 5277674 | Leg extension apparatus with pivotal foot section for measuring instantaneous power generated by a leg extending force An apparatus for measuring physical strength by dynamically measuring the instantaneous power of a nonrepetitive muscular force as, for example, the force exerted by a leg extension, on the basis of a power theory and, consequently, the instantaneous powe... | 01/11/1994 |
| 5110124 | Blanket for peewee football blocking and tackling dummy A peewee blanket assembly for a football blocking and tackling dummy is provided and consists of a rectangular shaped blanket member having a plurality of spaced apart eyelets along each long side edge thereof. A cord for lacing the eyelets on each opposi... | 05/05/1992 |
| 4941660 | Impact and speed measuring system A high-speed, portable computer interfaced, fluid-filled, foam-padded, heavy bag with local electronic force indicator is provided along with a mechanically-driven paper chart recorder with digital output, split screen video data recording system, and pri... | 07/17/1990 |
| 4928959 | Method and device for providing active exercise treatment for a patient suffering from a bone disorder A patient strikes a sensor in a manner to produce an impact load at an impact rate along the axis of a bone experiencing the bone disorder, and that impact load and impact rate are measured and compared to desired impact load and impact rate values to det... | 05/29/1990 |
| 4880239 | Golf training apparatus A sport training apparatus for ball hitting games, such as golf, is provided with a frame which includes a base as well as a pair of uprights. A net is stretched across the uprights and has a pair of lower net corners which each are connected to a weight ... | 11/14/1989 |
| 4850224 | Impact apparatus An impact apparatus employing a hollow body having within its interior resilient means having a greater resiliency than said body.... | 07/25/1989 |
| 4774679 | Stride evaluation system A system for displaying the occurrence and magnitude of stride forces produced by a sport participant in a sporting event having a first portable housing placed on the legs of the participant for sensing the stride force and a second portable housing loca... | 09/27/1988 |
| 4770527 | Photoelectric-piezoelectric velocity and impact sensor A photoelectric-piezoelectric velocity and impact sensor has a plurality of photoelectric light sources and associated photodetectors disposed on axes defining an array of light beams. A first electronic circuit is operatively coupled to the photodetector... | 09/13/1988 |
| 4763275 | Force accumulating device for sporting protective gear A sensor capable of being adapted to sporting protective gear for sensing forces or vibrations encountered by the protective gear. The device senses the forces and delivers a signal proportional to the sensed force into a circuit for determining the accum... | 08/09/1988 |
| 4763284 | Reaction time and force feedback system An improved reaction time and force feedback system including a first portable housing for placement on the limb of a sporting participant for detecting the time and magnitude of force incurred by the limb during a sporting activity. A second portable hou... | 08/09/1988 |
| 4534557 | Reaction time and applied force feedback A reaction time and applied force feedback training system for sports includes at least one sport training device, a stimulus indicator located near and associated with the sport training device for emanating a plurality of ready signals at random time in... | 08/13/1985 |
| 4199987 | Electronic system for measuring time, impact energy and other athletic parameters An electronic system for selectively measuring predetermined athletic parameters, such as reaction time and impact energy, and for displaying the results of the measurements is disclosed. The system includes transducer apparatus for sensing a participant'... | 04/29/1980 |
| 4108428 | Portable punch power gage Apparatus for use in developing boxing technique to indicate punching power during work-outs with practice equipment, includes a practice bag or the like having a punch-receiving area including pneumatic structure with connection through a releasible chec... | 08/22/1978 |
| 4070018 | Ball impact target with ball impact sensor A device for ball games, sensing velocity and scoring against a damping screen comprised of areas simulating strategic plays against a player's opposition and comprised of electrical sensor means applied to the back side of the screen and of minimum mass ... | 01/24/1978 |