SUBMINIATURE LINEAR VIBRATOR
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United States of America Patent
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Issued Date -
Mar 4, 2010
app pub date -
Nov 6, 2007
filing date -
Nov 15, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a subminiature linear vibrator including a stationary body (100) formed by installing a printed circuit board (10), on which a ring-shaped field coil (12), at least one resonant passive element (14), and a frequency generating control chip (16) are mounted, on a lower case (6) of a main body, the main body including upper and lower cases (4, 6); and a movable body (200) formed by mounting a ring-shaped balance weight (22) and a ring-shaped permanent magnet (24) on the lower surface of a bracket (20) having an air flow hole (21) formed therethrough and connecting an elastic spring (26) to the lower surface of the upper case (4) and an air flow hole peripheral portion (20a) of the bracket (20), wherein the ring-shaped permanent magnet (24), magnetized with two poles vertically located at upper and lower portions thereof, is disposed adjacent to the ring-shaped field coil (12).
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