A controller for avoiding the pitching up of aircraft. A device is provided which, at a predetermined combination of the angle of attack and the aerodynamic rate of change of the angle of attack, supplied by a pitch rate gyro in connection with an electrical network, interrupts the pilot's command signal...http://www.google.com.au/patents/US3963197?utm_source=gb-gplus-sharePatent US3963197 - Control device for avoiding the pitching up of missiles or aircraft
