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| United States Patent | 7,026,919 |
| Perlman , et al. | April 11, 2006 |
Wireless remote vehicle signal indicator for supplementing existing vehicle signal indicators
A remote motor vehicle signal indicator system comprising a transmitter coupled to a vehicle indication signal drive line. The transmitter wirelessly transmits a receiver activation signal corresponding to a vehicle indication signal of the vehicle indication signal drive line. Optionally, the transmitter may be configured to bypass transmission of a brake signal to a remote vehicle signal indicator in order to conserve power at the remote vehicle signal indicator. The vehicle indication signal is selected may comprise a turn signal, a brake signal, a reverse gear signal, and a hazard signal or any other signal displayable on a vehicle. The system also includes a remote vehicle signal indicator coupled to a surface outside of the vehicle and includes a signal indicator display. The remote vehicle signal indicator receives the receiver activation signal from the transmitter and, in response, wakes in order to sample the transmissions at a higher rate in order to only consume more power when needed and activates the signal indicator display. In some variations, a power supply not coupled to the vehicle power supply powers the remote vehicle signal indicator for example via solar power and the transmitter is powered by the vehicle indication signal thereby eliminating the requirement to tie directly into the vehicle's battery.