"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Application No. | Application Title | Issue Date |
| 20100148938 | DIRECT WIRELESS POLLING OF MODEL TRAINS A method and apparatus for designating a particular model vehicle for a command function without punching in the ID of the model vehicle. A remote control device is positioned near one of the model vehicles. A limited field transmission occurs between the model vehicle ... | 06/17/2010 |
| 20080128563 | System, Method and Computer Software Code for Remotely Assisted Operation of a Railway Vehicle System A method for operating a train having at least one locomotive vehicle, the method including controlling operation of the train via a first crew member located on-board the locomotive unit, providing information that may be required for operation of the train to a second... | 06/05/2008 |
| 20080023593 | AC/DC/DCC model train on board sound module with wireless control A method, apparatus and system for AC or DC track powered model trains which increases the number of remote control functions available to the powered engines via an on-board sound decoder module. The functions include sound functions, including bell, whistle, brakes, a... | 01/31/2008 |
| 20060151673 | AC/DC/DCC model train on board sound module with wireless control A method, apparatus and system for AC or DC track powered model trains which increases the number of remote control functions available to the powered engines via an on-board sound decoder module. The functions include sound functions, including bell, whistle, brakes, a... | 07/13/2006 |
| 20050253022 | Remotely controlled locomotive car-kicking control A remote control system and method for the remote control operation of a locomotive in the performance of a car-kicking sequence comprises a portable control unit operable from a location off-board of the locomotive. The portable control unit includes an operator interf... | 11/17/2005 |
| 20050205720 | Locomotive remote control system with diagnostic display An operator control unit (OCU) (12) for a locomotive remote control system (10) for displaying information to an operator of the OCU for use in controlling operation of a locomotive (16) from a location off-board of the locomotive. The OCU includes ... | 09/22/2005 |