Abstract: A mobile terminal including a terminal case made of a metal material, input keys disposed in through holes formed on the terminal case, and an input pad disposed within the terminal case, to which a signal is input according to a touch operation of the input keys.

Abstract: A card game apparatus includes a large-size panel display, a main control unit that controls screens on the large-size panel display, and a plurality of terminal apparatuses that are communicably connected to the main control unit. A game player purchases an integrated circuit card and, for example, eleven player cards on each of which, a soccer player's photograph is printed. When the game player arranges the player cards on a player card arrangement panel of one of the terminal apparatuses, card data recorded on the back of the player card will be read by an internal image sensor. Then, a team is organized by the player cards, and a game starts. The game player can direct a player's position and formation by changing placement of the player card.

Abstract: A gaming environment, in which an award is provided based on the symbol combination arranged in the symbol display area, is described. Especially a gaming environment, in which the display mode of the symbol display area is changed from a first display mode in which the symbols are displayed to a second display mode in which an award image is displayed, and a special award is provided based on the award image, when a symbol combination displayed on the display area is a predetermined symbol combination, is described.

Abstract: A slot machine includes: a plurality of communication interfaces connectable to cellular phones of players; and a game controller for executing a game executed simultaneously by a plurality of persons under a condition where start signals of the game are received from the connected cellular phones of the plurality of players, transmitting and receiving data of the game to and from the cellular phones of the players, and at the same time, displaying, on a display of the slot machine, image data indicating game information shared in the game, and transmitting image data, indicating game information individual to the players in the game, to the cellular phones of the players.

Abstract: A slot machine includes: a communication interface that can communicate with a cellular phone of a player; and a game controller for receiving, from the cellular phone of the player, predetermined points data to be converted into number-of-credits data of a game executed in the slot machine, and converting the received points data into the number-of-credits data based on predetermined conversion rate data stored in a memory.

Abstract: In a game system including slot machines and mobile phones capable of communicating with the slot machines, when credit of the slot machine is purchased using electronic data of the mobile phone and at the time of adjustment when a player performs a predetermined cashout operation, adjustment data in accordance with the number of credits is generated in the slot machine. The adjustment data is transmitted from the slot machine to an external of the slot machine in order to move the adjustment data to the mobile phone.

Abstract: When a plurality of symbols are arranged on a plurality of defined areas provided in a form of matrix on a display, and the plurality of symbols arranged on the plurality of defined areas are rearranged, at least one of the plurality of defined areas is set as a specific defined area in response to setting input data received from an external. Then, when a symbol relating to a prize is displayed on the set specific defined area as a result of rearranging the plurality of defined symbols arranged on the defined areas, a prize which is doubled of the prize of a case where the symbol relating to the prize is displayed on the defined area other than the set specific defined area is set.

Abstract: A slot machine is operable to cause, when a sub game in which a specific symbol is selected from among a plurality of symbols by an external input was executed, a predetermined number of times of special game as a unit game to be executed after the sub game, vary a payout amount of credits in accordance with the appearance frequency of the specific symbol on a main display during the special game, and display the appearance frequency of the specific symbol on the main display and the payout amount of credits in accordance with the appearance frequency on the sub display.

Abstract: In each of a plurality of slot machines, when a predetermined condition is satisfied in a basic game, the slot machine acquires a right to execute a second game, and transmits, to a center controller, a second game start request signal for requesting a start of the second game. When the center controller receives the second game start request signal from at least one of the plurality of slot machines and a predetermined start condition is satisfied, the center controller performs control for starting the second game for each slot machine which has transmitted the second game start request signal, and for changing the payout of the second game for each slot machine according to a result of the basic game.

Abstract: A gaming machine includes: a display; an operation unit that allows a player to input commands for playing a game; and a processor that operates to: control the display to perform a variable display of a plurality of symbols in each of a plurality of variable display sections that are arranged in matrix, when a start command is input through the operation unit; perform a lottery to determine stop symbols to be displayed stopped in the variable display sections; control the display to display the stop symbols in the variable display sections after performing the variable display; determine whether or not a symbol combination of the stop symbols satisfies a winning combination; provide an award to the player when determined that the symbol combination of the stop symbols satisfies the winning combination; select at least one of the variable display sections; assign the selected variable display sections as a special variable display section; provide a special award to the player based on the special variable di

Abstract: A gaming machine includes: a display; an operation unit that allows a player to input commands for playing a game; and a processor that operates to: control the display to perform a variable display of a plurality of symbols in each of a plurality of variable display sections that are arranged in matrix, when a start command is input through the operation unit; perform a lottery to determine stop symbols to be displayed stopped in the variable display sections; control the display to display the stop symbols in the variable display sections after performing the variable display; determine whether or not a symbol combination of the stop symbols satisfies a winning combination; provide an award to the player when determined that the symbol combination of the stop symbols satisfies the winning combination; assign at least one of the variable display sections as a special variable display section; provide a special award to the player based on the special variable display section, the special award being advantag

Abstract: A method and apparatus including at least one interactive gaming symbol. The interactive gaming symbol may operate either at random or upon the initiation and direction of a player to replace a gaming symbol with a replacement symbol. The replacement symbol may alter the outcome of the game depending on its position with respect to one or more paylines and depending on the newly resultant combination of symbols associated with such paylines. A gaming device incorporating the use of an interactive gaming symbol may also include an interactive controller to control the orientation movement and actions of the interactive gaming symbol.

Abstract: The present invention includes a variety of methods for player selection of a pay schedule for a slot game. In general, the player selects a pay schedule, places a wager, spins the slot reels, and collects awards according to the selected pay schedule. The player may select one of the two or more pay schedules, with each schedule defining winning combinations and the associated award for each combination.

Abstract: A system and method are provided for conducting a game show which is adopted to be presented as a televised game show, a promotional game on a touch-screen computer monitor, or an interactive floor game. Game includes a floor grid and a spinning wheel. Grid can be computer-controlled, interactive floor made up of 10 rows each having 10 squares numbered 1-100 and programmed with lights and sound. Wheel contains numbered spaces from zero to 10 with one being omitted. The object of the game is to successfully progress through all ten rows on the grid, each of the rows having a cash prize associated therewith. When contestant begins the game, all 100 squares on the grid appear yellow, and the contestant picks a square on the first row at random and step on it causing that square to lights up either green or red. If it is green, the contestant wins the prize for that row and is allowed to move on in the game. If it is red, the contestant loses all of the money and forfeits the turn.

Abstract: A gaming apparatus includes a first and second gaming device. A controller is in communication with the gaming devices. The controller is configured to receive a wager on the first gaming device and play a base game on the first gaming device. The controller can determine if a bonus qualifying event has occurred on the first gaming device and play a first bonus game on the first gaming device. The controller can further award a first bonus prize and transmit a signal to the second gaming device that the second gaming device has qualified for a second bonus game. The controller indicates that the second gaming device has qualified for a second bonus game and plays the second bonus game on the second gaming device. A second bonus prize is awarded. A method of gaming is also disclosed.

Abstract: Various systems, apparatus and methods for purchasing tickets for on-line lottery and on-line game without the use of a selection slip are disclosed. A player uses a player terminal to make selections for the on-line lottery or on-line game. The player's selections are recorded in a lottery computer system in a ticket purchase voucher record for a ticket purchase voucher. A ticket purchase voucher code is assigned to the ticket purchase voucher and the player is provided with a mechanism for identifying the ticket purchase voucher code to a ticket vending terminal. The player may be provided with a printable version of the ticket purchase voucher that includes a machine readable form of the ticket purchase voucher code. The player may be provided with a version of the ticket purchase voucher code that may be transmitted to a ticket vending terminal in a radio frequency, optical or electronic signal.

Abstract: A progressive gaming system includes a gaming device and a non-gaming device. A controller is in communication with the gaming device and the non-gaming device. The controller is configured to receive a first wager from the gaming device, play a first game on the gaming device and apportion a first percentage of the first wager to a progressive jackpot. The controller further can award a first prize on the gaming device, receive a second wager through the non-gaming device and play a second game. The outcome of the second game is communicated to the non-gaming device. The controller may apportion a second percentage of the second wager to the progressive jackpot, award a second prize and communicate the award of the second prize to the non-gaming device. In addition, the controller determines if a progressive jackpot-winning event has occurred for either the gaming device or the non-gaming device, communicates the occurrence of the progressive jackpot-winning event, and awards a progressive jackpot.

Abstract: An electronic game tracking adapter facilitates deployment, use, and sponsoring of electronic games in a manner that avoids limitations associated with proprietary solutions. The electronic game tracking adapter provides a basis for rewarding game developers, sponsors, and the like. The adapter further provides methods and systems for game assessment, feedback, market research, trial offers, subscription, pay-per-use and the like. An electronic game tracking adapter facilitates local and on-line gaming, including multi-player games, online interactive games, sample games, downloaded games, uploading games, and the like. Access to games, features of games, and repeated use of a game may be enabled by the methods and systems provided by the electronic game tracking adapter.

Abstract: A video game adapter interface apparatus has a user input device and an associated video display. The user selects a distinguishable visual image representation for association into a video game's audiovisual presentation, such as where that user is identified. For example, color, size graphics or shape can be used to distinguish users. In one embodiment a digitized image of each user's face is used as the distinguishable representation. Alternatively, the user can create an original image or select one of a predetermined set of visual images as the user's identification for use in the video game audiovisual presentation. In a preferred video game embodiment, the video game adapter interface system is coupled to a video game system and a storage card containing User Images. The video game adapter interface system then integrates a selected User Image from the Storage Card into the video game's audiovisual presentation, and can also integrate the User Image into the video game play.

Abstract: To provide a game device for allowing a game player to relatively readily control an operation target player character object so as to make a motion according to a moving speed of the moving body object. The present invention relates to a game device for displaying an image obtained by viewing, from a predetermined viewpoint, a virtual three-dimensional space where an operation target player character object and a moving body object representative of a moving body are disposed, and providing a sports game using the moving body. An object control unit (74) controls an operation target player character object so as to change the position and posture thereof in accordance with a moving speed of the moving body object according to a result of determination as to whether or not the positions of the operation target player character object and the moving body object satisfy a predetermined position condition.

Abstract: An electronic game tracking platform facilitates deployment, use, and sponsoring of electronic games in a manner that avoids limitations associated with proprietary solutions. The electronic game tracking platform provides a basis for rewarding game developers, sponsors, and the like. The platform further provides methods and systems for game assessment, feedback, market research, trial offers, subscription, pay-per-use and the like. An electronic game tracking platform facilitates local and on-line gaming, including multi-player games, online interactive games, sample games, downloaded games, uploading games, and the like. Access to games, features of games, and repeated use of a game may be enabled by the methods and systems provided by the electronic game tracking platform.

Abstract: In various embodiments, a player may participate in a game at a nearby gaming table via a mobile device.

Abstract: An instantaneous gaming and betting management system is designed to offer users the ability to select blocks from a gaming matrix using wired and or wireless devices over a network based system. The games can be sporting events, community events. Algorithms can be deployed to help equalized the probabilities of score outcomes or to yield various pay-outs based on the outcome. Payouts can be monetary, points, prizes, non-monetary rewards or compliments. The user interface can be optionally altered to give feedback to the user based on the status of the game.

Abstract: A gaming system including a central server linked to a plurality of gaming tables. In one embodiment, the gaming system provides players with one or more loyalty incentives, such as one or more loyalty awards, utilizing one or more loyalty incentive award sequences. In one embodiment, the gaming system determines a loyalty award to provide to a player and then determines an appropriate loyalty award sequence to utilize to provide the player the determined loyalty award, wherein the loyalty award sequence is determined based on the individual gaming table at which that the player is currently playing.

Abstract: A gaming system including a central server linked to a plurality of gaming tables. In one embodiment, the gaming system provides players with one or more loyalty incentives, such as one or more loyalty awards, utilizing one or more loyalty incentive award sequences. In one embodiment, the gaming system determines a loyalty award to provide to a player and then determines an appropriate loyalty award sequence to utilize to provide the player the determined loyalty award, wherein the loyalty award sequence is determined based on the individual gaming table at which that the player is currently playing.

Abstract: An electronic game system is provided. The system can include a base station operable to communicate with an electronic system and a first character unit operable to communicate with the base station. The first character unit stores first data associated with a first character. The system can also include a second character unit operable to communicate with the base station. The second character unit stores second data associated with a second character. The first data and second data are utilized to play a game using the electronic system. The first character unit can have a substantially similar appearance to the first character in the game. The base station also can have a character appearance. The first character unit can be removably attachable to the base station at an exterior or interior portion of a body part of the character appearance such as a head, a limb and a torso. The second character unit can be attached to the base station at the same time.

Abstract: Systems and methods for operating a gaming machine having an embedded data system on a persistent memory are disclosed. One aspect of the systems and methods includes providing a database manager that maintains the database on the persistent memory. The database may be a relational database, a hierarchical database, or an object oriented database. Critical data generated during the course of the operation of the gaming machine is stored in the database.

Abstract: A data recording medium for use in a game device comprises a first printed layer in which a first code pattern, which is detected by a first code pattern detecting unit of the game device, is printed and a second printed layer in which a second code pattern, which is detected by a second code pattern detecting unit of the game device, is printed. The second printed layer is overlaid on the first printed layer. Data based on a combination of the first and second code patterns is recorded in the first and second printed layers so that the data is recognizable to the game device as data intrinsic to the data recording medium. The game device detects the first and second code patterns by the first and second code pattern detecting units to make progress of a game according to the data.

Abstract: The invention relates to a homokinetic displacement joint for longitudinal shafts of motor vehicles, consisting of an outer and inner joint body having ball raceways, a cage between the joint bodies, and balls provided in the individual pairs of ball raceways. The balls are guided in the cage and the ball raceways are provided in alternating sequence, alternately rising to the right and left, to form slanted, spatially arranged ball raceways in the assembled state of the joint bodies. The individual ball raceways possess a track slant angle ? 8 and an incline angle ?? 9 at are determined, relative to one another, by the ratio ?:??=5:3.

Abstract: This invention relates to a bowling game system that prevents a ball from falling into one of gutters with no players noticing. A bowling game system 1 is provided with a bowling ball b in which a plurality of permanent magnets are embedded with their faces along the surface of the ball b being same in polarity, an approach 2 where a player rolls the ball b down, a lane 3 on which the ball b players bowl rolls, a plurality of bowling pins 5 arranged and placed on the end of the lane 3 opposite to the approach 2, trough-like gutters 4 provided longitudinally on the both sides of the lane 3 to receive the ball b slipping off the lane 3, a plurality of electromagnets 21 embedded widthwise on the edges of the lane 3 and provided paralleling the lane 3, and a power source 22 for supplying the electromagnets 21 with electric power to magnetize them. The electromagnets 21 repel the permanent magnets in the ball b to prevent the ball b from falling into the gutters 4.

Abstract: In a first aspect, a system for monitoring a swing is provided that includes (1) a swing measurement device adapted to couple to a swinging object and to output a signal indicative of a characteristic of the swinging object; (2) a wireless transmitter coupled to the swing measurement device and adapted to wirelessly transmit the signal output by the swing measurement device; and (3) a wireless device adapted to receive the wirelessly transmitted signal and to provide information regarding the swinging object based on the received signal. The wireless device is a cellular telephone or personal digital assistant (PDA). Numerous other aspects are provided.

Abstract: The invention is directed toward a trial golf club head and method for determining the optimal loft angle for any golf club, and in particular a hybrid-type golf club. The invention includes a trial golf club head having a face portion, a leading edge portion, a toe portion, a heel portion, a back portion having a trailing edge portion, and a sole portion. The sole portion contains a number of equally spaced graduated indicia, which are substantially parallel to one another and extend from the toe portion to the heel portion. The distance between the graduated indicia is approximately 3.75 centimeters (cm), which corresponds to an incremental loft angle of approximately 3 degrees. The sole portion has a radius of curvature of 71.67 mm, which extends from the leading edge of the face portion to the trailing edge of the back portion.

Abstract: The putter head has a front face with a heel and toe edge extending from the front face, giving the head an overall triangular configuration. Both the heel and toe surfaces have cavities extending from the outer surface toward a central wall. The central wall is perpendicular to the face of the putter to provide visual indication that the face is square to the intended putting line. Two semicircular cavities extend from the top surface of the putter and are separated by the central wall. Medallions on the upper surface of the putter sole are aligned with the semicircular cavities. If the golfer's eyes are not directly over the putter with the sole at 0 degree lie angles, the central wall and horizontal cavities will obscure part of the medallion. If the golfer's hand position is forward, de-lofting the putter surface or laid back adding loft to the base, the forward or rearward edges of the semicircular holes will obscure the edges of the medallions.

Abstract: A golf club head consists of a shell part, and a face part; the shell part has a front opening, a holding hollowness behind the front opening, several strengthening pieces in the holding hollowness, and a slot on an upper side, which communicates with the holding hollowness; the slot of the shell part has several connecting blocks therein, which are each connected to two lateral sides of the slot, for increasing capability of the shell part to bear force; the face part is closely fitted in the front opening of the shell part, and propped by means of the strengthening pieces in the holding hollowness; and, a kind of elastic shock absorbing material is injected in the holding hollowness of the shell part to prop the face part.

Abstract: An iron golf club head includes: a block that is made by a magnesium alloy; and a metal head main body, wherein the block is embedded into the metal head main body.

Abstract: The object of the present invention is to provide a golf ball having a lasting scent. The golf ball of the present invention is a golf ball comprises a paint film on a surface of the golf ball body, wherein the paint film comprises a microcapsule encapsulating a perfume material. Employment of such a structure inhibits a release of the perfume material component in the paint film during storage of a golf ball, since it is included in the microcapsule. When in use, a film material of the microcapsule is gradually broken by hitting the golf ball, so that the perfume material included in the capsule is gradually released.

Abstract: The invention provides a multi-piece solid golf ball comprising a core, an envelope layer encasing the core, an intermediate layer encasing the envelope layer, and a cover which encases the intermediate layer and has formed on a surface thereof a plurality of dimples. The core is formed primarily of a rubber material, and has a hardness which gradually increases from a center to a surface thereof, the hardness difference in JIS-C hardness units between the core center and the core surface being at least 15 and, letting (I) be the average value for cross-sectional hardnesses at a position 15 mm from the core center and at the core center and letting (II) be the cross-sectional hardness at a position 7.5 mm from the core center, the hardness difference (I)-(II) therebetween in JIS-C units being not more than ±2. The envelope layer and the intermediate layer are each formed primarily of the same or different resin materials. The cover is formed primarily of a thermoplastic resin or a thermoplastic elastomer.

Abstract: A golf tee is flavored, and in some instances, the color of the golf tee corresponds to the particular flavor of the golf tee.

Abstract: A golf tee anchoring system disclosed herein has two or more anchoring fins and an energy deflecting section integrated in one piece tee unit composed of flexible but substantially indestructible, reusable material or plastic which is adapted to prevent the unwanted loss of the tee by the impact of a golf club.

Abstract: A baseball batting tee apparatus for positioning a baseball and guiding a bat swing, comprising a planar base support a first upright member having a first and second end; said first end releasably mounted to said base support and extending in a vertical direction, a second upright member having a first and second end, first end of second upright member telescopically and lockably engagable to second end of said first upright member, allowing the selective vertical adjustment of the second end of the second member, said second end of second member formed to receive and support a baseball, at least one adjustable swing guide comprising an adjustable two member assembly, further comprising, a first swing guide member, having a first and second end, first end rotateable and affixed to said first upright member and lockable in its entire range of motion, second end provided with a hingeable attachment to first end of second swing guide member, second swing guide member capable of lockable positioning through adju

Abstract: The invention pertains to a sports training device for improving the follow through of the lower body during a sport activity. The device includes a base having a top planar surface and a disk assembly removably coupled to the base and configured to receive a foot of a user. The disk assembly includes a first disk that is rotable between a first relaxed position and a second rotated position. Upon movement of the disk between the first relaxed position to the second rotated position, the disk is biased toward the first relaxed position. In some embodiments, the disk assembly is configured to be rotatable between a closed position wherein the disk is substantially coplanar with the top surface of the base and an open position wherein the disk is directed away vertically from the base upon rotation of the disk by the user's foot to the open position.

Abstract: An apparatus for improving athletic technique is disclosed. The apparatus comprises at least one stationary attachment means, a strap attached to the stationary attachment means, a waist belt attached to the strap and at least one knee restraint attached to the strap. The strap and each of the at least one knee restraints acts in combination to maintain the body of a baseball batter in such a position that the swing of a batter is at an optimum technique.

Abstract: A method for deciding whether a movable object has been brought through a goal having a goal area defined by the goal, an internal magnetic field being measurable, within the goal area or in parallel with the goal area, which is larger than an external magnetic field present outside the goal area, the method including a step of generating the internal magnetic field within the goal, a step of providing information about a magnetic field experienced by the movable object, and a step of evaluating the information about the magnetic field to provide a goal statement by means of a detection that the movable object has passed through the internal magnetic field.

Abstract: A modified soccer (“football”) field layout and associated modified method of playing soccer on the modified soccer field layout are described. The modified soccer field layout is approximately the same size as a conventional soccer field layout. In one example, the modified soccer field layout also has two Forward Areas and two Forward Lines. In one example, the method of playing soccer on the modified soccer field includes at least one associated Forward Area Soccer Rule.

Abstract: Ball bats comprising a stem and a handle surrounding the stem. An elastomeric decoupler system installed in the handle sharply reduces the transmission of shocks and vibrations from the stem to the handle, mitigating stinging and other unpleasant sensations experienced by the batter when a ball is struck. Unpleasant sensations can be further reduced by installing a DTMS damping device in the knob of the bat and by installing an elastomeric grip on the handle of the bat; and the unpleasant sound made when a bat strikes the ground or the like can be materially reduced by a device attached to the stem of the bat intermediate the ends of the handle. The present inventions are particularly adaptable to hollow, metal bats; and provision is made for venting the knob of the bat when it is welded in place so hot gases will not be forced into, and reduce the integrity of, the weld. Appropriate ones of the devices described above may also advantageously be employed in wood, composite, and other bats.

Abstract: An arrow vibration dampening apparatus having a dampening mass capable of being inserted within an arrow shaft is disclosed. The dampening mass may include a first end, a second end, and a dampening material for dampening vibrations. The apparatus may also comprise a support structure capable of being at least partially inserted within the arrow shaft, with the dampening mass securable to at least a portion of the support structure. In one example, the dampening mass may also include a cantilevered portion that has an outer diameter that is less than an inner diameter of the arrow shaft. An arrow apparatus and a corresponding method of assembly are also disclosed.

Abstract: A plate-link chain for a belt-driven conical-pulley transmission having a continuously variable transmission ratio and having a large number of link plates pivotally connected with each other via pairs of rocker members that each includes two rocker members. The rocker members extend transversely to the longitudinal direction of the plate-link chain and are positioned in openings in the link plates. Curved contact surfaces are provided on the rocker members and on the link plate openings, along which curved surfaces of the rocker members and link plates bear against each other to transmit force. Curved rolling surfaces are provided on the rocker members, along which contacting rocker members of a rocker member pair roll against each other and/or slide on each other on pitch lines to transmit force. The link plate openings have at least three inwardly extending, convexly curved regions.

Abstract: Drivetrains and frames for vehicles, equipment, machines, etc. Some embodiments of the drivetrains and frames are particularly suited for human powered machines, such as bicycles and exercise equipment. In some embodiments, a drivetrain includes a reciprocating crank coupled to a crank pivot. A lever couples to the crank via a lever pivot positioned on the crank. A lever stop cooperates with a lever guide surface to guide a motion of the lever as the lever pivots about the lever pivot. The lever and/or the crank are operably coupled to a drive pulley, idler pulley, and/or compound pulley. In some embodiments, a drive cable operably couples the lever and/or the crank to the drive pulley, idler pulley, and/or the compound pulley. In one embodiment, one or more pulleys couple to the lever's distal ends. In some embodiments, the drivetrain includes a wheel hub adapted to receive torque from the crank via a drive pulley.

Abstract: Drivetrains and frames for vehicles, equipment, machines, etc. Some embodiments of the drivetrains and frames are particularly suited for human powered machines, such as bicycles and exercise equipment. In some embodiments, a drivetrain includes a reciprocating crank coupled to a crank pivot. A lever couples to the crank via a lever pivot positioned on the crank. A lever stop cooperates with a lever guide surface to guide a motion of the lever as the lever pivots about the lever pivot. The lever and/or the crank are operably coupled to a drive pulley, idler pulley, and/or compound pulley. In some embodiments, a drive cable operably couples the lever and/or the crank to the drive pulley, idler pulley, and/or the compound pulley. In one embodiment, one or more pulleys couple to the lever's distal ends. In some embodiments, the drivetrain includes a wheel hub adapted to receive torque from the crank via a drive pulley.

Abstract: Drivetrains and frames for vehicles, equipment, machines, etc. Some embodiments of the drivetrains and frames are particularly suited for human powered machines, such as bicycles and exercise equipment. In some embodiments, a drivetrain includes a reciprocating crank coupled to a crank pivot. A lever couples to the crank via a lever pivot positioned on the crank. A lever stop cooperates with a lever guide surface to guide a motion of the lever as the lever pivots about the lever pivot. The lever and/or the crank are operably coupled to a drive pulley, idler pulley, and/or compound pulley. In some embodiments, a drive cable operably couples the lever and/or the crank to the drive pulley, idler pulley, and/or the compound pulley. In one embodiment, one or more pulleys couple to the lever's distal ends. In some embodiments, the drivetrain includes a wheel hub adapted to receive torque from the crank via a drive pulley.