Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3687/36A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrie Magneti Marelli SRL
Marelli Europe SpA
Original Assignee
Fabbrica Italiana Magneti Marelli SpA
Magneti Marelli SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fabbrica Italiana Magneti Marelli SpA, Magneti Marelli SpAfiledCriticalFabbrica Italiana Magneti Marelli SpA
Publication of GB458059ApublicationCriticalpatent/GB458059A/en
H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
H03J1/02—Indicating arrangements
H03J1/04—Indicating arrangements with optical indicating means
H03J1/041—Pointers, markers, or the like, for tuning dials; Folding dials
Landscapes
Structure Of Receivers
(AREA)
Abstract
458,059. Adjusting wireless apparatus. FABBRICA ITALIANA MAGNETI MARELLI, 22, Corso Venezia, Milan, Italy. Feb. 6, 1936, No. 3687. Convention date, Feb. 6, 1935. [Class 37] A tuning indicator comprises two or more diaphragms 4, 5 adjustable by the tuning gear in opposite directions, the sets of holes 6, 7 and those 3 on an opaque map 2 being arranged so that a through aperture is produced when any one station is tuned in, or the map may be of translucent material without apertures. Illumination is effected from the rear. Instead of plate diaphragms, ribbons may be employed.
GB3687/36A1935-02-061936-02-06Improvements in station-indicators for radio receivers
ExpiredGB458059A
(en)