HAVING LIGHT OR SOUND-RESPONSIVE SWITCH OR CONTROL:
(under the class definition) Device including means for causing the device to operate in response to sound waves or visible electromagnetic radiation, or for affecting the operation of the device in response to sound waves or visible electromagnetic radiation.
SEE OR SEARCH CLASS
180, Motor Vehicles,
167+, for a full size motor vehicle remotely controlled by sound or light waves.
367, Communications, Electrical: Acoustic Wave System and Devices,
198, for a sound or speech responsive control system, per se.