Anti backlash and treadle bar linkage system
Digital tuning element and method of making same
Electronic tuning block
Flat tuner
Key assembly
Mechanism for changing inductance of a push-button tuner
Push-button mechanisms and equipment including them
Push-button T.V. tuner
Push-button tuning mechanism
Pushbutton device for mechanical preselection tuning
Pushbutton tuner having linkage operated tuning slider
Pushbutton tuner having tapering portion pivotal pins
Pushbutton tuner with staggered tuning coils
Support structure for pushbutton radio tuner assembly
Treadle bar driven potentiometer
Tuning core apparatus
Tuning device for switching a plurality of broadcast bands and f
Tuning unit with bandswitch for high frequency receivers