A game machine input device mounted on a game machine provided with a playfield; the game machine input device includes: an input unit provided toward the front of the playfield and configured to accept input; and a projection part configured to radiate light toward the playfield to project a first image in a region within the visual field of a player viewing the playfield.

A method for playing a value-variable game of chance includes providing a random number generator including one or more walls forming a grid, the grid including an entrance zone and a finishing zone, and the grid being configured to support a transit of a puck from the entrance zone to the finishing zone; providing the finishing zone as including two or more finishing positions, each of the finishing positions configured to receive the puck, and each of the finishing positions being assigned a different finishing position value; providing the grid as including one or more deflectors; introducing a puck into the grid at the entrance zone and subjecting the puck to a force to drive the puck to the finishing zone, and allowing the puck to be deflected off any of the deflectors that it impacts during the puck's transit.

A display device has a display panel including an image display area in which an image is displayable, a light guide plate arranged at a back of the display panel, the light guide plate comprising a transparent material and having a first incident surface and a second incident surface, a first light source facing the first incident surface, a second light source facing the second incident surface, and a controller configured to control turning on and turning off of the first light source and the second light source and to control an image displayed on the display panel. The light guide plate includes an emission surface facing the display panel, and a plurality of first prisms arranged in an area in correspondence with the image display area on a surface opposite to the emission surface.

A mechanical computing system configured to serve as an aid in learning fundamental aspects of coding. The mechanical computing system including a substrate having a flow path between an upstream portion and a downstream portion, and a plurality of repositionable programming members pivotably coupled to the substrate and configured to guide and interact with units dispensed along the flow path from the upstream portion to the downstream portion, wherein a first programming member is configured to pivot relative to the substrate upon interaction with a unit traversing along the flow path, and wherein a second programming member positioned upstream of the first programming member is configured to pivot relative to the substrate based on feedback from the first programming member.

The present invention discloses a position detection device including a first electrode layer, a second electrode layer, and a processor. The first electrode layer includes a plurality of first electrodes, and the second electrode layer includes a plurality of second electrodes. A gap is formed between the first electrode layer and the second electrode layer. The processor detects a plurality of capacitive values between the plurality of first electrodes and the plurality of second electrodes so as to measure the movement track of a conductive object passing through the gap.

A display device including: a light guide plate configured to present a plurality of patterns; a plurality of light sources aligned along one sidewall of the light guide plate with each light source corresponding to a pattern among the plurality of patterns; a storage unit configured to store lighting sequence information; and a controller configured to control the turning on and off of the plurality of light sources in accordance with the lighting sequence information; the light guide plate including: an incidence surface configured to allow visible light emitted from the light sources to enter the light guide plate; and for each of the plurality of patterns, a plurality of prisms configured to reflect the visible light emitted from a light source corresponding to the pattern and entering the light guide plate from the incidence surface toward the other surface of the light guide plate.

A light guide plate formed from a panel transparent to visible light has a first incidence surface provided to form a sidewall of the light guide plate that faces a light source configured to emit visible light, and a plurality of prisms provided in a predetermined region on one surface of the light guide plate. The prisms include a reflection surface that reflects the visible light emitted from the light source and entering the light guide plate from the first incidence surface toward another surface of the light guide plate. The predetermined region is divided into a plurality of local regions corresponding to a plurality of tones in the predetermined region when seen from a predetermined viewpoint, and in each local region, the orientation of the reflection surface of the prisms distributed in the local region is established in accordance with the tone corresponding to that local region.

A DC motor control device includes a communication circuit configured to receive a control command specifying a target rotation amount for a DC motor, a sensor interface configured to receive a detection signal from a rotational angle sensor that outputs the detection signal every time the DC motor rotates by a certain rotational angle, a step counter that outputs a count signal every time the detection signal has been received a certain number of times, a controller that, based on the number of times the count signal received, determines a step count representing the total amount of rotation, and generates a control signal that controls the DC motor in accordance with the step count and the target rotation amount, and a drive signal generation circuit that generates a drive signal that rotates the DC motor in accordance with the control signal.

A ticket redemption game having an upright cabinet. The upright cabinet houses a cylindrical drum which may be rotated through the use of a control by at least one electric motor. In the interior of the cylindrical drum are a plurality of balls. When the drum is rotated, the plurality of balls is moved from a low point to an apex of the cylindrical drum along an interior circumference of the cylindrical drum by the aid of traction elements.

A display device has a first display panel including an image display area in which an image is displayable, a light guide plate arranged at a back of the first display panel, the light guide plate comprising a transparent material, a plurality of light sources respectively facing a plurality of positions on side surfaces of the light guide plate, a second display panel arranged at a back of the light guide plate, the second display panel being configured to display an image viewable through the light guide plate and the first display panel, and a controller configured to control turning on and turning off of the plurality of light sources and to control a first image displayed on the first display panel and a second image displayed on the second display panel. The light guide plate includes an emission surface facing the first display panel.