Optical: systems and elements – Lens – With support
Patent
1992-07-08
1993-08-31
Ben, Loha
Optical: systems and elements
Lens
With support
310193, G02B 702
Patent
active
052414256
ABSTRACT:
In a velocity sensor having a coil and a stick-shaped magnet inserted into the coil and magnetized such that opposite magnetic poles are provided at opposite longitudinal ends thereof, the coil and the magnet being movable relatively, the coil is wound more at the ends than at the center thereof.
REFERENCES:
patent: 4639084 (1987-01-01), Kugioka
patent: 5078472 (1992-01-01), Sugawara
Inoue Norikatsu
Sakamoto Satoshi
Ben Loha
Kananen Ronald P.
Sony Corporation
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