mean cros sectional 'area of the strips II A=cross sectional areaaof the gap 13 i-perme bility f th magnet 10 ,-/=perpmeability bf -thestrips J I and12f A3Eper ablf tn of2 tibrneabfti o (3` u " 'M in etiA f 0lux. idsity s^urroiinded by the coils I tlfandetr- s _1...
doi:US2597400Complete Patent Searching Database and Patent Data Analytics Services.Stogsdill, Sherman LRassieur, Benjamin F
The zoom lens according to the present invention includes, in order from an object side to an image side, a zooming lens unit, which is configured to move during zooming, a stop SP, and a fixed lens unit UR having a positive refractive power, which is configured not to move for zooming...