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name:-0.03897500038147
name:-0.042912006378174
name:-0.0023210048675537
Lu; Daozheng Patent Filings

Lu; Daozheng

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lu; Daozheng.The latest application filed is for "source detection apparatus and method for audience measurement".

Company Profile
1.40.25
  • Lu; Daozheng - Dunedin FL US
  • Lu; Daozheng - Buffalo Grove IL
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Interactive service device metering systems
Grant 8,776,103 - Lu , et al. July 8, 2
2014-07-08
Audience measurement systems and methods for digital television
Grant 8,732,738 - Lu , et al. May 20, 2
2014-05-20
Methods and apparatus for identifying a digital audio signal
Grant 8,548,373 - Peiffer , et al. October 1, 2
2013-10-01
Source detection apparatus and method for audience measurement
Grant 8,434,100 - Wheeler , et al. April 30, 2
2013-04-30
Audio signature extraction and correlation
Grant 8,244,527 - Srinivasan , et al. August 14, 2
2012-08-14
Source Detection Apparatus And Method For Audience Measurement
App 20120102518 - Wheeler; Henry B. ;   et al.
2012-04-26
Audience Measurement Systems And Methods For Digital Television
App 20110314486 - Lu; Daozheng ;   et al.
2011-12-22
Detection Of Media Links In Broadcast Signals
App 20110179447 - Harkness; David H. ;   et al.
2011-07-21
Source detection apparatus and method for audience measurement
Grant 7,958,526 - Wheeler , et al. June 7, 2
2011-06-07
Detection of media links in broadcast signals
Grant 7,941,816 - Harkness , et al. May 10, 2
2011-05-10
Source Detection Apparatus And Method For Audience Measurement
App 20100333126 - Wheeler; Henry B. ;   et al.
2010-12-30
Detection Of Media Links In Broadcast Signals
App 20100235853 - Harkness; David H. ;   et al.
2010-09-16
Audio Signature Extraction And Correlation
App 20100195837 - Srinivasan; Venugopal ;   et al.
2010-08-05
Methods And Apparatus For Identifying A Digital Audio Signal
App 20100198380 - Peiffer; John C. ;   et al.
2010-08-05
Detection of media links in broadcast signals
Grant 7,757,248 - Harkness , et al. July 13, 2
2010-07-13
Methods and apparatus for identifying a digital audio signal
Grant 7,742,737 - Peiffer , et al. June 22, 2
2010-06-22
Interactive Service Device Metering Systems
App 20100138770 - Lu; Daozheng ;   et al.
2010-06-03
Audio signature extraction and correlation
Grant 7,672,843 - Srinivasan , et al. March 2, 2
2010-03-02
Coded/non-coded program audience measurement system
Grant 7,647,605 - Lu , et al. January 12, 2
2010-01-12
Interactive service device metering systems
Grant 7,644,422 - Lu , et al. January 5, 2
2010-01-05
Interactive service device metering systems
Grant 7,607,147 - Lu , et al. October 20, 2
2009-10-20
Methods and apparatus to monitor reception of programs and content by broadcast receivers
Grant 7,587,728 - Wheeler , et al. September 8, 2
2009-09-08
Coded/non-coded Program Audience Measurement System
App 20080288972 - Lu; Daozheng ;   et al.
2008-11-20
Detection Of Media Links In Broadcast Signals
App 20080282303 - Harkness; David H. ;   et al.
2008-11-13
Detection of media links in broadcast signals
Grant 7,421,723 - Harkness , et al. September 2, 2
2008-09-02
Audience measurement systems and methods for digital television
App 20070055987 - Lu; Daozheng ;   et al.
2007-03-08
Methods and apparatus to monitor reception of programs and content by broadcast receivers
App 20060195857 - Wheeler; Henry B. ;   et al.
2006-08-31
Audio signature extraction and correlation
App 20050232411 - Srinivasan, Venugopal ;   et al.
2005-10-20
Method and apparatus for identifying a digital audio dignal
App 20040210922 - Peiffer, John C. ;   et al.
2004-10-21
Apparatus and method for measuring tuning of a digital broadcast receiver
App 20040181799 - Lu, Daozheng ;   et al.
2004-09-16
Source detection apparatus and method for audience measurement
App 20040088721 - Wheeler, Henry B. ;   et al.
2004-05-06
Coded/non-coded program audience measurement system
App 20040058675 - Lu, Daozheng ;   et al.
2004-03-25
Source detection apparatus and method for audience measurement
Grant 6,675,383 - Wheeler , et al. January 6, 2
2004-01-06
Coded/non-coded program audience measurement system
Grant 6,647,548 - Lu , et al. November 11, 2
2003-11-11
Method and apparatus for identifying a digital audio signal
App 20030131350 - Peiffer, John C. ;   et al.
2003-07-10
Interactive service device metering systems
App 20030110485 - Lu, Daozheng ;   et al.
2003-06-12
Monitoring system for recording device
Grant 6,513,161 - Wheeler , et al. January 28, 2
2003-01-28
Audience measurement system incorporating a mobile handset
Grant 6,467,089 - Aust , et al. October 15, 2
2002-10-15
Apparatus and method for measuring tuning of a digital broadcast receiver
App 20020114299 - Lu, Daozheng ;   et al.
2002-08-22
Metering viewing of video displayed in windows
App 20020059576 - Feininger, William A. ;   et al.
2002-05-16
Detection of media links in broadcast signals
App 20020059633 - Harkness, David H. ;   et al.
2002-05-16
Audience measurement system for digital television
App 20020059577 - Lu, Daozheng ;   et al.
2002-05-16
Source detection apparatus and method for audience measurement
App 20020026635 - Wheeler, Henry B. ;   et al.
2002-02-28
Audience measurement system for digital television
App 20020010919 - Lu, Daozheng ;   et al.
2002-01-24
Simultaneous transmission of ancillary and audio signals by means of perceptual coding
Grant 6,035,177 - Moses , et al. March 7, 2
2000-03-07
Audience measurement system and method
Grant 5,771,307 - Lu , et al. June 23, 1
1998-06-23
Co-channel transmission of program signals and ancillary signals
Grant 5,737,025 - Dougherty , et al. April 7, 1
1998-04-07
Video and data co-channel communication system
Grant 5,737,026 - Lu , et al. April 7, 1
1998-04-07
Real time correlation meter
Grant 5,594,934 - Lu , et al. January 14, 1
1997-01-14
Audience measurement system and method
Grant 5,550,928 - Lu , et al. August 27, 1
1996-08-27
Audience measurement system utilizing ancillary codes and passive signatures
Grant 5,481,294 - Thomas , et al. J
1996-01-02
Identification card verification system
Grant 5,432,864 - Lu , et al. July 11, 1
1995-07-11
Market research method and system for collecting retail store and shopper market research data
Grant 5,331,544 - Lu , et al. July 19, 1
1994-07-19
Spread spectrum digital data transmission over TV video
Grant 5,243,423 - DeJean , et al. September 7, 1
1993-09-07
Method and system for non-invasively identifying the operational status of a VCR
Grant 5,165,069 - Vitt , et al. November 17, 1
1992-11-17
Image recognition system and method
Grant 5,031,228 - Lu July 9, 1
1991-07-09
Image recognition audience measurement system and method
Grant 4,858,000 - Lu August 15, 1
1989-08-15
Methods and apparatus for automatically identifying programs viewed or recorded
Grant 4,697,209 - Kiewit , et al. September 29, 1
1987-09-29
Broadcast program identification method and apparatus
Grant 4,677,466 - Lert, Jr. , et al. June 30, 1
1987-06-30
Ultrasonic audience measurement system and method
Grant 4,644,509 - Kiewit , et al. February 17, 1
1987-02-17

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