Transit vehicle multimedia broadcast system
US6407673B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 4, 2001 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Sep 4, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/133
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The transit vehicle multimedia broadcast system comprises a multimedia broadcast system for broadcasting stored audio, video, graphic and/or text messages to passengers on transit vehicles that travel a predetermined route in areas where traditional multimedia broadcast is not available, such as in subway tunnels. The system includes at least one storage device along the predetermined route that stores multimedia data and wirelessly transmits the data to at least one transit transceiver located on the transit vehicles while the vehicle are stationary at a location corresponding to the location of the storage device. The multimedia can be stored on the vehicle and transmitted using one of a plurality of transmission devices to a plurality of video graphic display devices located in the transit vehicles. The broadcast can also be wirelessly transmitted via predetermined FM or wireless frequencies for receipt via passenger radios, laptop computers including wireless connection, cell phones, or any other device capable of receiving the FM or wireless transmission of multimedia. The multimedia data can include graphics, text, audio, video, or any combination thereof. The multimedia data…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.