| Patent application number | Description | Published |
| 20080214267 | Method & apparatus for a gaming device - A bonus game for a slot machine, method and apparatus, is disclosed and is based on a playfield configured as a matrix of playing positions, wherein each playing is used to display a character of the alphabet, and wherein a plurality of words are hidden in the playfield. During the bonus game, the rows and/or columns of the playfield are rotated, and then are randomly stopped to uncover hidden words. Each hidden word has a payout amount associated with it, which is paid to the player upon uncovering the word. A plurality of sound and visual effects is also provided to heighten the enjoyment of the bonus game. | 09-04-2008 |
| 20090069064 | Method and apparatus for a slot machine - A gaming device method and apparatus are disclosed, and are accomplished by a slot machine that provides the result of a spin, or a game, to the player in two steps. In the first step, the machine provides partial, or incomplete information related to the occurring symbols during a game. The player is permitted to place, or change, his or her wager after said partial or incomplete information is made visible to the player. Upon depositing, or increasing a wager, the machine provides the complete result of a spin to the player, and a win determination is made. | 03-12-2009 |
| 20090143928 | Method & apparatus for an interlocking control device - A distributed interlocking device, architecture and process are disclosed, and are based on segregating the vital logic for a signal installation by type of signal equipment. A plurality of intelligent signal devices is disclosed, wherein each intelligent signal device is used to control a basic signal unit. In turn, a signal unit includes a set of signal apparatuses that are geographically and logically interrelated. An intelligent signal device receives data related to the states of other signal devices, determines and controls its own operational states, and communicates its own operational states to other devices. | 06-04-2009 |
| 20100299007 | Method & apparatus for hybrid train control device - A method and an apparatus for an on-board train control device are provided, and are based on converting speed codes received from wayside cab-signaling devices into movement authority limits. The device determines the train location independent of the wayside train detection system, and generates and enforces stopping profiles based on said movement authority limits. | 11-25-2010 |