(under the class definition) Subject matter wherein the tuner unit is adapted to be operated by a series of manually movable push buttons and/or levers with each button or lever being adapted to selectively move the tuning element through a mechanical mechanism to a different preselected position or frequency when manual power is exerted on a particular button or lever.
(1) Note. Push buttons and/or levers which energize a motor circuit with the motor furnishing the power to move the tuner to the preselected circuit are not classified in this subclass but in subclasses 17+ below (note especially subclass 29).
SEE OR SEARCH THIS CLASS, SUBCLASS:
29, for tuners combined with electromagnetic drive means which tunes to a predetermined station and which may be energized by a push button or lever type switch.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
10.1+, for shaft operators of the radio type which are adapted to turn to or stop on a predetermined position, and subclasses 469+ for control lever and linkage systems, per se. 84, Music,
423+, for keyboard operated musical devices, the keys serving to select the tuned circuit which is to be placed into circuit with an electrical tone generator.
455, Telecommunications,
170.1+, for radio receivers utilizing push button and/or
