Indianapolis, Indiana
United States
17
2015-12-10
The entities that hold a legal rights for patent applications filed by inventor Duffield David Jay:
David Jay Duffield from Indianapolis, US has applied for patents for these inventions. The list has both pending applications and granted patents:
BROADCAST CONDITIONAL ACCESS SYSTEM WITH IMPULSE PURCHASE CAPABILITY IN A TWO-WAY NETWORK
#2 | 2015-04-09Method and system for adding a conditional access system
#3 | 2014-08-19Method and system for adding a conditional access system
#4 | 2012-12-11Global copy protection system for digital home networks
#5 | 2011-09-20Method and apparatus for permitting unconfirmed viewing time with addressable pay TV
#6 | 2009-06-23Sequence counter for an audio visual stream
#7 | 2008-06-12Reduced rainbow artifacts in digital light projection systems
#8 | 2008-04-08System and method of verifying authorization for communicating protected content
#9 | 2007-09-06Watermarking of motion picture prints
#10 | 2007-08-07Method and system for handling two CA systems in a same receiver
#11 | 2007-05-03Broadcast conditional access system with impulse purchase capability in a two-way network
#12 | 2006-12-21System and method for adaptive marking and coding of film prints
#13 | 2005-11-29Apparatus and associated method for limiting access of information transferred between an electronic security device and a host device
#14 | 2005-10-27Anti-piracy coding of motion pictures
#15 | 2005-09-08Method and apparatus for controlling the distribution of digitally encoded data in a network
#16 | 2005-07-28Key transport tamper protection
#17 | 2005-07-21Smartcard uart for minimizing processor demands in a conditional access system
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