Abstract: An apparatus including a data acquisition device, a processing unit, a memory and an output device. The data acquisition device obtains at least one attribute of a shot of a basketball towards a basket. The at least one attribute is sensed by at least one sensor carried by the basketball or derived from signal output by the at least one sensor. The memory contains instructions to direct the processing unit to determine whether the shot is a made basket shot or a missed basket shot by comparing the at least one attribute of the shot to one or more predetermined signature characteristics of a made basket, and to present on the output device to a person an output based on the determination of whether the shot is a made basket shot or a missed basket shot, and other information regarding the shot.

Abstract: An American style football including an inflatable prolate spheroidal shaped bladder, a cover assembly, a lacing and an electronic circuit. The bladder includes a valve assembly and a pocket that are symmetrically spaced about a longitudinal plane. The cover assembly includes at least first, second, third and fourth cover panels collectively positioned over the bladder. One of the first and fourth cover panels extending over the valve assembly and the other of the first and fourth cover panels extending over the pocket. The lacing extends along the longitudinal plane and coupled to the first and fourth cover panels. The electronic circuit is retained by the pocket. The electronic circuit includes at least one sensor and the electronic circuit being configured to produce a signal to enable at least one characteristic of the football to be monitored during use.

Abstract: A player training apparatus for use with a portable performance system. The portable performance system includes a processor, a memory and a display. The training apparatus includes an American-style football, at least one sensor coupled to the football, at least one transmitter coupled to the football and operably coupled to the sensor, and a non-transient computer-readable medium containing code. The code directs the processor to: receive input pertaining to motion of the football; derive at least one football motion parameter from the input pertaining to the motion of the football; and display information relating to the input. The at least one football motion parameter includes spiral efficiency.

Abstract: A player training apparatus for use with a portable performance system. The portable performance system includes a processor, a memory and a display. The training apparatus includes an American-style football, at least one sensor coupled to the football, at least one transmitter coupled to the football and operably coupled to the sensor, and a non-transient computer-readable medium containing code. The code directs the processor to: receive input pertaining to motion of the football; determine a target accuracy based upon the input; and display the determined target accuracy.

Abstract: A football having a prolate spheroidal shape including longitudinally spaced apart first and second ends. The football is capable of being analyzed under computational fluid dynamics analysis, and includes upper and lower central regions. Each positioned between first and second upper and lower end regions, respectively. The football further includes a bladder, a cover, a plurality of boundary layer trip mechanisms coupled to the upper and/or lower central regions, and a lacing coupled to the upper central region. The analysis includes first and second configurations. The first configuration is conducted on the football with the trip mechanisms, and the second configuration is conducted on the football without the trip mechanisms. The first and second configurations provide first and second drag coefficients, respectively. The first coefficient is at least 3 percent lower than the second coefficient. The length of the upper and lower central regions is defined by the lacing.

Abstract: A apparatus for use with a portable performance system. The portable performance system includes a processor, a memory and a display. The training apparatus includes an American-style football, at least one sensor coupled to the football, at least one transmitter coupled to the football and operably coupled to the sensor, and a non-transient computer-readable medium containing code. The code directs the processor to: determine at least one football event by comparing the at least one attribute of the football to one or more predetermined signature characteristics of different football events; and an output device to present output to a person based on the determination of the at least one football event.

Abstract: A basketball configured for organized, competitive play and having a total mass. The basketball includes an inflatable, generally spherical bladder, a set of winding surrounding the bladder, an elastomeric layer surrounding the set of windings and the bladder, and a plurality of cover panels positioned over the elastomeric layer. The bladder has a bladder mass that is greater than 25 percent of the total mass. The elastomeric layer and the set of windings have a collective mass that is less than 55 percent of the total mass.

Abstract: A player training apparatus for use with a portable performance system. The portable performance system includes a processor, a memory and a display. The training apparatus includes an American-style football, at least one sensor coupled to the football, at least one transmitter coupled to the football and operably coupled to the sensor, and a non-transient computer-readable medium containing code. The code directs the processor to: receive input pertaining to motion of the football resulting from the player performing an act with the football; store information related to the input into the memory; compare the received input with previously stored celebrity information regarding similar football acts performed by a celebrity; and display information relating to the input and the comparison to the celebrity information.

Abstract: An American style football including an inflatable prolate spheroidal shaped bladder, a lining positioned over the bladder, a cover assembly, a lacing, and an electronic circuit positioned between the lining and the cover assembly and generally aligned with the lacing. The cover assembly includes at least first, second, third and fourth cover panels collectively positioned over the bladder and the lining. The lacing is coupled to the first and fourth cover panels. The electronic circuit includes at least one sensor and the electronic circuit is configured to produce a signal to enable at least one characteristic of the football to be monitored during use.

Abstract: A basketball including a carcass, cover panels, and cover strips. The carcass has an outer surface defining a first set of channels and cover panels regions between the first set of channels. The panels are respectively positioned over the panel regions and are spaced apart from each other. The strips are positioned over the channels. The strips have inner and outer surfaces extending between first and second sidewalls. The strips have a thickness that is measured radially from a centerpoint from the inner to the outer surface, and a width that is measured from the first to the second sidewall. At least one groove is formed into the outer surface. The groove has a width that extends between 20 to 70 percent of the width of the strip and has a maximum depth from the outer surface that is at least 50 percent of the maximum thickness of the strip.

Abstract: A basketball including a carcass, cover panels, and cover strips. The carcass has an outer surface defining a first set of channels and cover panels regions between the first set of channels. The panels are respectively positioned over the panel regions and are spaced apart from each other. The strips are positioned over the channels. The strips have inner and outer surfaces extending between first and second sidewalls. The strips have a thickness that is measured radially from a centerpoint from the inner to the outer surface, and a width that is measured from the first to the second sidewall. At least one groove is formed into the outer surface. The groove has a width that extends between 20 to 70 percent of the width of the strip and has a maximum depth from the outer surface that is at least 50 percent of the maximum thickness of the strip.

Abstract: A football sensing system including an American-style football extending along a longitudinal axis and having a maximum transverse dimension defining a transverse axis and at least one accelerometer carried by the football to sense acceleration of the football along at least a first axis. The accelerometer is sized to sense a predetermined maximum value of acceleration in the first axis. The accelerometer is positioned within the football in a first position with the first axis of the accelerometer angled with respect to the longitudinal axis of the football. The accelerometer in the first position is capable of measuring acceleration values in a direction in line with or parallel to the longitudinal axis of the football that are greater than the predetermined maximum value of acceleration in the first axis.

Abstract: An American style football including an inflatable prolate spheroidal shaped bladder, at least one cover panel surrounding the bladder, a lacing coupled to the at least one cover panel, a flap and an electronic circuit. The flap is coupled to the outer surface of the bladder and is generally positioned to align with the lacing. The electronic circuit is positioned on or beneath the flap. The electronic circuit includes at least one sensor and the electronic circuit is configured to produce a signal to enable at least one characteristic of the football to be monitored during use.

Abstract: An American football is configured for direct contact with a user's hands and includes first and second transversely extending stripes and a plurality of cover panels. The cover panels have an outer surface formed of a first material. One of the cover panels is formed of first, second and third sub-panels. One of the side edges of the first and second stripes is fixedly coupled to one of the first and second sub-panels, respectively, and the other of the side edges of the first and second stripes is fixedly coupled to one of the second and third sub-panels, respectively. The stripes having an outer surface formed of a second material. The second material has a static coefficient of friction that is greater than the static coefficient of friction of the first material when measured in accordance with the standard test method for static coefficient of friction of ASTM D1894-01.

Abstract: An American style football including an inflatable bladder, at least two cover panels surrounding the bladder, a lacing coupled to the at least one cover panel, and an electronic circuit. Each of the cover panels includes an outermost layer and a lining. The electronic circuit is coupled to at least one of the cover panels. The electronic circuit includes at least one sensor. The electronic circuit is configured to produce a signal to enable the position and movement of the football to be monitored during use.

Abstract: An American style football including an inflatable bladder, a cover surrounding the bladder, a lacing coupled to the at least one cover panel, and an electronic circuit. The electronic circuit is coupled to the bladder. The electronic circuit includes at least one sensor and the electronic circuit being configured to produce a signal to enable the position and movement of the football to be monitored during use.

Abstract: An apparatus includes a non-transitory computer-readable medium to direct a processor to: receive signals indicating a made basketball shot or a missed basketball shot of a basketball by a person during a basketball shooting session, receive signals indicating a location from which each made basketball shot is made, and determine and output a user cumulative score for the person for the basketball shooting session, the cumulative score being based upon the location of each made basketball shot.

Abstract: An American style football including an inflatable bladder, a cover surrounding the bladder, a battery carried by the football, and a light emitter. The light emitter is carried by the football and is electrically connected to the battery. At least a portion of the cover transmits light from the light emitter.

Abstract: An apparatus includes a non-transitory computer-readable medium to direct a processor to: receive first signals indicating a made basketball shot or a missed basketball shot by a first person during a first basketball shooting session, receive second signals indicating a made basketball shot or a missed basketball shot by a second person during a second basketball shooting session, track a number of made basketball shots by the first person and the second person, and output an indicator of a relationship of the number of made basketball shots by the first person to the number of made basketball shots by the second person at least after each made shot by of the second person while the second person is partaking in the second basketball shooting session producing the second signals.

Abstract: A game ball supports electronics. In one implementation, the electronics sense motion of the game ball and are encapsulated by potting compound which forms an encapsulating body sized and shaped to fit within a cavity of the game ball. In one implementation, a game ball comprises an inflatable body which supports the electronics, wherein an electrical conductive line is electrically connected to electronics extends along a surface of the inflatable body at least 60 degrees about the inflatable body.