Planar printed circuit board arrangement useful in the UHF porti
Precision linear tuning circuit
Presettable tuning apparatus
Push pre-setting fine tuning device for turret type television t
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