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using a ring of magnets or the like
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CPC
H03J1/182
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Parent Industries
H
ELECTRICITY
H03
Electronic circuits
H03J
TUNING RESONANT CIRCUITS SELECTING RESONANT CIRCUITS
H03J1/00
Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
Current Industry
H03J1/182
using a ring of magnets or the like
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Patents Grants
last 30 patents
Information
Patent Grant
2911574
Patent number
2,911,574
Issue date
Nov 3, 1959
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
1932766
Patent number
1,932,766
Issue date
Oct 31, 1933
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
1894646
Patent number
1,894,646
Issue date
Jan 17, 1933
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents