| 摘要 |
A driver courtesy device includes a first unit attachable to the dashboard or steering console of an automobile, within reach of the driver of the automobile, and a display unit mounted adjacent the rear window or one of the side windows of the automobile. The first unit includes a signal transmitter actuated by the driver. The display unit includes an upstanding member resembling an arm and hand, a signal receiver, and a motor actuated for a predetermined operational period upon receipt of the signal transmitted by the first unit. An interposer converts rotary motion of the actuated motor to linear motion to thereby move the arm and hand in a reciprocating, waving motion to convey a courteous gesture.
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