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.)
Publication of BE477965ApublicationCriticalpatent/BE477965A/xx
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
G—PHYSICS
G11—INFORMATION STORAGE
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
G11B19/20—Driving; Starting; Stopping; Control thereof
G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
G—PHYSICS
G11—INFORMATION STORAGE
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
G11B31/003—Arrangements for the associated working of recording or reproducing apparatus with related apparatus with radio receiver
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/06—Receivers
H04B1/16—Circuits
H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver