Inventor
FREEMAN MICHAEL J
48 patents
⚠️ This page may combine multiple inventors who share the name “FREEMAN MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ACTV INC
18 patentsUS7448063B2Nov 4, 2008
Digital interactive system for providing full interactivity with live programming events
ACTV INC203 citations99
US7079176B1Jul 18, 2006
Digital interactive system for providing full interactivity with live programming events
ACTV INC372 citations99
US6252586B1Jun 26, 2001
Compressed digital-data interactive program system
ACTV INC125 citations99
US6215484B1Apr 10, 2001
Compressed digital-data interactive program system
ACTV INC152 citations99
US6204843B1Mar 20, 2001
Compressed digital-data interactive program system
ACTV INC203 citations99
US6181334B1Jan 30, 2001
Compressed digital-data interactive program system
ACTV INC277 citations99
US5861881AJan 19, 1999
Interactive computer system for providing an interactive presentation with personalized video, audio and graphics responses for multiple viewers
ACTV INC1,079 citations99
US5724091AMar 3, 1998
Compressed digital data interactive program system
ACTV INC720 citations99
US5682196AOct 28, 1997
Three-dimensional (3D) video presentation system providing interactive 3D presentation with personalized audio responses for multiple viewers
ACTV INC708 citations99
US5632007AMay 20, 1997
Interactive system and method for offering expert based interactive programs
ACTV INC407 citations99
US5585858ADec 17, 1996
Simulcast of interactive signals with a conventional video signal
ACTV INC743 citations99
US5537141AJul 16, 1996
Distance learning system providing individual television participation, audio responses and memory for every student
ACTV INC728 citations99
US4918516AApr 17, 1990
Closed circuit television system having seamless interactive television programming and expandable user participation
ACTV INC262 citations99
US4847699AJul 11, 1989
Method for providing an interactive full motion synched compatible audio/visual television display
ACTV INC298 citations99
US4847698AJul 11, 1989
Interactive television system for providing full motion synched compatible audio/visual displays
ACTV INC487 citations99
US4847700AJul 11, 1989
Interactive television system for providing full motion synched compatible audio/visual displays from transmitted television signals
ACTV INC486 citations99
US4602279AJul 22, 1986
Method for providing targeted profile interactive CATV displays
ACTV INC1,021 citations99
US4573072AFeb 25, 1986
Method for expanding interactive CATV displayable choices for a given channel capacity
ACTV INC775 citations99
FREEMAN MICHAEL J
11 patentsUS4507680AMar 26, 1985
One way interactive multisubscriber communication system
FREEMAN MICHAEL J216 citations99
US4320256AMar 16, 1982
Verbally interactive telephone interrogation system with selectible variable decision tree
FREEMAN MICHAEL J286 citations99
US4264924AApr 28, 1981
Dedicated channel interactive cable television system
FREEMAN MICHAEL J617 citations99
US4078316AMar 14, 1978
Real time conversational toy
FREEMAN MICHAEL J178 citations99
US3947972AApr 6, 1976
Real time conversational student response teaching apparatus
FREEMAN MICHAEL J191 citations99
US4591248AMay 27, 1986
Dynamic audience responsive movie system
FREEMAN MICHAEL J156 citations98
US4264925AApr 28, 1981
Interactive cable television system
FREEMAN MICHAEL J583 citations98
US5340317AAug 23, 1994
Real-time interactive conversational apparatus
FREEMAN MICHAEL J105 citations96
US4117605AOct 3, 1978
Real time conversational toy having secure playback response
FREEMAN MICHAEL J143 citations95
US5213510AMay 25, 1993
Real-time interactive conversational toy
FREEMAN MICHAEL J48 citations93
US4594476AJun 10, 1986
Broadcast interactive telephone system
FREEMAN MICHAEL J53 citations93
XTERA COMMUNICATIONS INC
8 patentsUS6374006B1Apr 16, 2002
Chirped period gratings for raman amplification in circulator loop cavities
XTERA COMMUNICATIONS INC163 citations99
US6943936B2Sep 13, 2005
Co-propagating Raman amplifiers
XTERA COMMUNICATIONS INC67 citations98
US6819479B1Nov 16, 2004
Optical amplification using launched signal powers selected as a function of a noise figure
XTERA COMMUNICATIONS INC28 citations92
US6587259B2Jul 1, 2003
System and method for controlling noise figure
XTERA COMMUNICATIONS INC22 citations92
US6532101B2Mar 11, 2003
System and method for wide band Raman amplification
XTERA COMMUNICATIONS INC35 citations92
US6567430B1May 20, 2003
Raman oscillator including an intracavity filter and amplifiers utilizing same
XTERA COMMUNICATIONS INC33 citations89
US7233432B2Jun 19, 2007
Pre-emphasized optical communication
XTERA COMMUNICATIONS INC17 citations84
US6646788B2Nov 11, 2003
System and method for wide band Raman amplification
XTERA COMMUNICATIONS INC12 citations74
(unassigned)
5 patentsUS6108515AAug 22, 2000
Interactive responsive apparatus with visual indicia, command codes, and comprehensive memory functions
33 citations93
US5841741ANov 24, 1998
Automatic seamless branching story-telling apparatus
25 citations93
US5930757AJul 27, 1999
Interactive two-way conversational apparatus with voice recognition
16 citations74
US5403554AApr 4, 1995
Apparatus for depositing fluids on a chromatography plate
9 citations74
US5894523AApr 13, 1999
Voice delay feedback apparatus
6 citations63