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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
VOLKSWAGENWERK AKTIENGESELLSCHAFT	A CORP OF GERMANY WOLFSBURG

International Classification(s)

• G01P:MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, D....

• 1984 Application Filing Year
• G01P Class
• 89 Applications Filed
• 0 Patents Issued To-Date
• 0 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Schneider, Arthur	Braunschweig, DE	9	95
# of filed Patents : 9 Total Citations : 95

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Patent Citation Ranking

• 12 Citation Count
• G01P Class

• 0 % this patent is cited more than
• 40 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 4536708

Apparatus for obtaining an information on the motion of a moving element, preferably for rotational speed of a rotating element in an automobile

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Abstract

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Apparatus for determining rotational speed includes a sensor for generating electrical pulse signals representative of rpm in a conventional manner. The electrical pulses are converted to light pulses at the sensor and transmitted to an evaluation circuit, where they are reconverted into electrical pulses that are processed by the evaluation circuit. Interference signals that a rise during the transmission of electrical pulses to the evaluation circuit are thereby eliminated.

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Description

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Claims

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