My Panasonic PV-GS29 Mini DV does not have a place for a USB cord
From the online specs it appears the this camera connects via Firewire, which is a different connection than USB. If you do not have a Firewire connection you can buy an add-in card for your computer usually for less than $20 online or probably more at a Best Buy.
For a desktop computer, you need something like this: http://www.newegg.com/Product/Product.aspx?Item=N82E16815124003
For a laptop computer, you need something like this depending on the type and availability of your expansion slots: http://www.newegg.com/Product/Product.aspx?Item=N82E16815124014