MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (monitoring speed or deceleration of electrically-propelled vehicles Fulltext... Hierarchy... Expanded...B60L 3/00; vehicle lighting systems adapted to indicate speed Fulltext... Hierarchy... Expanded...B60Q 1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying Fulltext... Hierarchy... Expanded...G01C; combined measuring devices for measuring two or more variables of movement Fulltext... Hierarchy... Expanded...G01C 23/00; measuring velocity of sound Fulltext... Hierarchy... Expanded...G01H; measuring velocity of light Fulltext... Hierarchy... Expanded...G01J 7/00; by reception or emission of radio waves, other electromagnetic waves, or sonic waves, and based on propagation time Fulltext... Hierarchy... Expanded...G01S; measuring speed of nuclear radiation Fulltext... Hierarchy... Expanded...G01T; measuring acceleration of gravity Fulltext... Hierarchy... Expanded...G01V) |