Magnetic ratchet for input device roller

United States of America Patent

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Issued Date
Aug 16, 2007
app pub date
Feb 15, 2006
filing date
Feb 15, 2006

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Abandoned

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Abstract

A reduced power magnetic or electromagnetic ratchet for a roller on an input device. In one embodiment, opposing rings of permanent magnets are mounted in the roller, or are attached to the roller by a gearing arrangement. In another embodiment, a variable reluctance stepper motor is used

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Patent Owner(s)

Patent Owner	Address
LOGITECH EUROPE S A	EPFL - QUARTIER DE L'INNOVATION DANIEL BOREL INNOVATION CENTER LAUSANNE 1015

International Classification(s)

G09G:ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bidiville, Marc	Monte Carlo, MC	36	1347
O'Sullivan, Timothy	Bantry, IE	11	220

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Magnetic ratchet for input device roller

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11355507

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APP PUB NO	20070188454A1
SERIAL NO	11355507
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11355507

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