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Document Number
US Patent 7489296
Issued Date
February 10, 2009
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Abstract
A pointing device including a base section, an operating section shiftably supported on the base section, a magnet carried on one of the base section and the operating section, and a magneto-electro transducer carried on the other of the base section and the operating section at a location close to the magnet. The operating section includes a first part securely holding one of the magnet and the magneto-electro transducer and supported on the base section shiftably in a desired horizontal direction relative to the base section, and a second part connected to the first part and elastically biasing the first part toward a home position in a horizontal shifting range during a period when the first part is horizontally shifted along the base section. The second part of the operating section is provided integrally with a major portion substantially surrounding an entire circumference of the first part, a first connecting portion connected to the first part at one end of the major portion and a second connecting portion connected to the base section at another end of the major portion; the major portion exerting an even elastic biasing force irrespective of a shifting direction of the first part on the base section.
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Number of Claims:
6
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Owner
Published
February 10, 2009
Application Number
10/986,859
Filed
November 15, 2004
US Classification
345/157   200/5R 310/15 335/205 335/206 335/207 345/156 345/160 345/161 345/163 463/37 463/38
Int'l Classification
G06F   3/033   (20060101)   G09G   5/08   (20060101)   H01H   9/00   (20060101)   H02K   33/00   (20060101)   H02K   35/00   (20060101)  
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USPTO Field of Search
310/15   345/160   345/161   345/168   345/169   345/156   345/157   345/163   335/205   335/206   335/207   74/471   463/37   463/38 D   14/402   14/403   14/404   14/405   14/406   14/407   14/408   14/409   14/410   14/411   14/412   14/413   14/414   14/415   14/416   14/417   200/5R  
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