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

Patent Owner(s)

Patent Owner	Address
DIGIMARC CORPORATION (AN OREGON CORPORATION)	9405 SW GEMINI DRIVE BEAVERTON OR 97008

International Classification(s)

• H04L:TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAP....
• G09C:CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPH....
• G06F:ELECTRIC DIGITAL DATA PROCESSING

• 2003 Application Filing Year
• H04L Class
• 6496 Applications Filed
• 3150 Patents Issued To-Date
• 48.50 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Rhoads, Geoffrey B	West Linn, US	697	78610
# of filed Patents : 697 Total Citations : 78610

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Patent Citation Ranking

• 2 Citation Count
• H04L Class

• 4.50 % this patent is cited more than
• 11 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 1, 2026

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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
July 01, 2014	US,8769297,B2   US8769297B2	GRANTED PATENT AS SECOND PUBLICATION
July 01, 2004	US,20040128514,A1   US20040128514A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 5155614

Low-power demodulating receiver with amplifier stages sharing the same bias current

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Abstract

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A low-power receiver for extracting a digital data signal from a modulated carrier signal is disclosed. The receiver employs an amplifier whose stages share the same bias current in order to reduce power consumption.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2018
• AS2015
• AS2003
• AS2003
• LAPS2000
• FP2000
• REMI2000
• FPAY1996
• FEPP1995
• I1992
• F1991
• PD1990

Date	Code	Event	Description
Jan 27, 2018	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Jul 01, 2015	AS	ASSIGNMENT	free format text: RELEASE BY SECURED PARTY;ASSIGNOR:COMERICA BANK;REEL/FRAME:035999/0954 Owner name: DUNCAN PARKING TECHNOLOGIES, INC., ARKANSAS Effective Date: Jul 01, 2015
Jun 20, 2003	AS	ASSIGNMENT	free format text: SECURITY INTEREST;ASSIGNOR:DUNCAN PARKING TECHNOLOGIES, INC.;REEL/FRAME:014321/0452 Owner name: COMERICA BANK, MICHIGAN Effective Date: Jun 20, 2003
Jun 20, 2003	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DUNCAN INDUSTRIES PARKING CONTROL SYSTEMS CORP.;REEL/FRAME:014235/0176 Owner name: DUNCAN PARKING TECHNOLOGIES, INC., MASSACHUSETTS Effective Date: Jun 20, 2003
Oct 15, 2000	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Oct 13, 2000	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Oct 13, 2000
May 09, 2000	REMI	MAINTENANCE FEE REMINDER MAILED
Mar 08, 1996	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 03, 1995	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 13, 1992	I	Issuance
Oct 22, 1991	F	Filing
Mar 02, 1990	PD	Priority Date