I was looking for examples of interesting and innovative location technology when I came across the announcement that Rosum Corporation has received $15 million in new financing from several sources including new investor TruePosition.

Rosum licenses a technology that enables Mobile TV equipped devices to use the broadcast signal to complement GPS (well, I think….)

Stephen Stuut, TruePosition CEO, added, “Rosum’s TV-positioning solution is well-aligned with our vision of delivering always-available location-based services, indoors and out, with the best technology available. We are pleased to join the Rosum Board of Directors.”

Rosum is the first and only company to harness the broadcast TV infrastructure to deliver location and timing solutions where GPS is most challenged – indoors and in urban canyons. The TV infrastructure is robust, distributed, and highly correlated with population centers, cellular service and broadband penetration.

Analysts project as many as 446 million mobile TV handsets will be shipped globally by 2011. For device makers deploying TV-capable mobile devices, for mobile TV network operators and for wireless operators supporting mobile TV handsets, Rosum’s TV-positioning technology is a software-only solution enabling location-based services such as search, advertising, and security.
Location-based services and advertising provide relevant, timely access to information – a benefit to consumers and a high-value source of revenue for carriers.

So if your phone does WiFi then you can use that to complement GPS, if it does TV that also works for location… what ‘s next?