Abstract: A pinball machine having multi-level playfields with a transparent window mounted in at least an upper level playfield to allow observation therethrough to a lower level playfield. The window is mounted on a ledge in an opening in the upper level playfield with compressible rings and screws extending through the window, rings and ledge to compress said rings until the window is in the same plane as said playfield.

Abstract: An electronic game apparatus comprising both video game play and pinball game play. Operation of the video game play is enabled by game play conditions of the pinball game play and visa versa. Video game play is implemented using a CRT supported by a housing common to the pinball game.

Abstract: A pinball game has game play determined primarily by time rather than the number of ball plays. A specifiable amount of game play time is originally accorded to a given player. The game play time is reduced at an instantaneous rate which changes according to how actively he plays and scores. The more active the ball play, the slower the game play time is reduced. In another feature, the pinball game machine is controlled by a digital processor which also participates as a contestant against the human player. As another feature, upon certain playfield achievements, a given player is entitled to operate a mechanism which alters the playfield conditions of another player. Yet another feature includes the provision of multiple independent playfield areas on a common playfield. Each playfield area is self-contained, having its own captured ball, flipper mechanism, and scoring targets. Preferably, the areas having the captured balls are enabled for ball play only for specified periods of time.

Abstract: A rollover switch for pinball game includes a yieldable, and preferably elastic surface deformable between a position substantially level with the playfield surface and a position above the playfield surface. In one embodiment, the elastic surface is defined by a plurality of members connected by a hinge to support structure. The support structure defines a periphery, and the members extend inwardly from the hinged periphery. A plunger is provided to engage switch contacts as the members are advanced about the hinged connection. In another embodiment, the elastic surface is defined by a stretchable membrane which is deformable between a position substantially flush with the surface of the playfield and a position above the playfield.

Abstract: An improved drop target assembly provides multiple target surfaces at a given drop target location. First and second target surfaces respectively are provided on first and second support members disposed in alignment such that the first member is in front of the second member, and the first target surface is in front of and shields the second target surface when the members maintain both targets in the above-playfield position. The first member is vertically moveable to drop the first target surface to a below-playfield position. This exposes the second target surface [exposed] for ball engagement. Preferably, a pair of switch contacts is provided behind the second target surface such that ball engagement of either the first target surface or the second target surface closes the switch contacts.

Abstract: An improved drop target assembly provides first and second target surfaces for ball engagement at a given drop target location. Only one of the target surfaces is engageable at any given time. Preferably, both target surfaces are on a single, vertically movable support member such that dropping of the member to lower the first target surface to a below-playfield position drops the second target surface into a ball engageable position. One or more switch contacts are provided for indicating ball engagement with the target surfaces and the dropping of the first target surface to the below-playfield position. A housing is provided to shield the second target surface from view when the first target surface is in the above-playfield position.

Abstract: A drop target assembly for a pinball game having a series of vertical sliders each having a target at its upper end and movable between an upwardly projecting play position and a drop position, each slider having a latch for latching the same in play position. A reset device is provided on the frame for thrusting all of the sliders upwardly to set the latches with all of the targets in play position, so that when one of targets is subsequently hit by the ball rearwardly during the course of play, the latch is released resulting in dropping of the target. Each of the sliders has an associated electromagnet including a movable armature adjacent the latch and coupled to the upper end of the slider to release the latch. A remote ball-operated device on the play field has a switch which is connected by circuitry to at least one of the electromagnets so that when the remote device is actuated the electromagnet is energized for artificially dropping the associated target.