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

Patent Owner(s)

Patent Owner	Address
PL TECHNOLOGIES AG	CHALTENBODENSTRASSE 8 SCHINDELLEGI 8834

International Classification(s)

• H04K:SECRET COMMUNICATION; JAMMING OF COMMUNICATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bureau, Patrick	Bessancourt, FR	18	168
Le, Breton Bruno	Boulogne, FR	2	10
Vasseur, Pierre	Maule, FR	3	12

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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
April 13, 2010	US,7697616,B2   US7697616B2	GRANTED PATENT AS SECOND PUBLICATION
June 22, 2006	US,20060133520,A1   US20060133520A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7697616

Method of modulation and demodulation of a digital signal, in a frequency band affected by flat fading, associated modulator and demodulator

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