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

Patent Owner(s)

Patent Owner	Address
NORTHROP GRUMMAN GUIDANCE AND ELECTRONICS COMPANY INC	21240 BURBANK BLVD WOODLAND HILLS CA 91367-6675

International Classification(s)

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

• 2006 Application Filing Year
• G01P Class
• 369 Applications Filed
• 189 Patents Issued To-Date
• 51.22 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Stewart, Robert E	Woodland Hills, US	126	2260
# of filed Patents : 126 Total Citations : 2260
Wyse, Stanley F	Encino, US	25	363
# of filed Patents : 25 Total Citations : 363

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Patent Citation Ranking

• 8 Citation Count
• G01P Class

• 4.94 % this patent is cited more than
• 14 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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 15, 2011	US,7886598,B2   US7886598B2	GRANTED PATENT AS SECOND PUBLICATION
April 26, 2007	US,20070089510,A1   US20070089510A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7886598

Vibratory gyro bias error cancellation using mode reversal

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Abstract

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The method and apparatus in one embodiment may have: providing a two-dimensional axisymmetric oscillator having a beam containing two principal elastic axes and two principal damping axes; driving the beam with drive components to oscillate across corners of the beam at approximately 45 degrees to sides of the beam, the drive components having forcer components that provide drive and pickoff components that provide feedback; and oscillating the beam in a normal mode and a reverse mode.

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Description

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Claims

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Legal Events

 

• MAFP2022
• MAFP2018
• FPAY2014
• CC2013
• AS2013
• I2011
• STCF2011
• AS2011
• FEPP2010
• P2007
• AS2006
• F2006
• PD2005

Date	Code	Event	Description
Aug 09, 2022	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12
Aug 07, 2018	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552) year of fee payment: 8
Aug 07, 2014	FPAY	FEE PAYMENT	year of fee payment: 4
Apr 30, 2013	CC	CERTIFICATE OF CORRECTION
Jan 11, 2013	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NORTHROP GRUMMAN SYSTEMS CORPORATION;REEL/FRAME:029635/0758 Owner name: NORTHROP GRUMMAN GUIDANCE AND ELECTRONICS COMPANY, Effective Date: Jan 11, 2013
Feb 15, 2011	I	Issuance
Jan 26, 2011	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jan 04, 2011	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NORTHROP GRUMMAN CORPORATION;REEL/FRAME:025597/0505 Owner name: NORTHROP GRUMMAN SYSTEMS CORPORATION, CALIFORNIA Effective Date: Jan 04, 2011
Dec 03, 2010	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Apr 26, 2007	P	Published
Dec 12, 2006	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WYSE, STANLEY F.;STEWART, ROBERT E.;SIGNING DATES FROM 20060831 TO 20060921;REEL/FRAME:018693/0789 Owner name: LITTON SYSTEMS INC., CALIFORNIA free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WYSE, STANLEY F.;STEWART, ROBERT E.;REEL/FRAME:018693/0789;SIGNING DATES FROM 20060831 TO 20060921 Owner name: LITTON SYSTEMS INC., CALIFORNIA
Aug 07, 2006	F	Filing
Aug 08, 2005	PD	Priority Date