A system is disclosed for using camera attitude sensors with a camera. A camera assembly includes a tripod base, a tripod head interface mounted on the tripod base, a tripod head mounted on the tripod head interface and a camera mounted on the tripod head. The tripod head enables the camera to pan and...http://www.google.com/patents/US6965397?utm_source=gb-gplus-sharePatent US6965397 - Measuring camera attitude
