The present invention features a remote viewing device that is capable of improving its operation by removing slack in its control cables and/or by increasing the range of motion of its viewing head. In one embodiment, the method for improving the operation involves removing at least a portion of the...http://www.google.se/patents/US20050168571?utm_source=gb-gplus-sharePatent US20050168571 - Method and apparatus for improving the operation of a remote viewing device
