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Browse by Category: Main > Communications
Class Information
Number: 379/100.17
Name: Telephonic communications > Telephone line or system combined with diverse electrical system or signalling (e.g., composite) > To produce visual-graphic copy (e.g., facsimile) > Transmission scheme
Description: Subject matter including a particular detail of the transmission protocol.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8693646 Packet based network exchange with rate synchronization Apr. 8, 2014
8693650 Facsimile apparatus, control method therefor, and storage medium Apr. 8, 2014
8548136 Communication apparatus Oct. 1, 2013
8509402 Communication device Aug. 13, 2013
8503630 Scalable and flexible internet fax architecture Aug. 6, 2013
8488206 Communication device Jul. 16, 2013
8472063 Information processing system, information processing method, and computer-readable recording medium Jun. 25, 2013
8427690 Method for reading sequentially a manuscript group made of plural sheets Apr. 23, 2013
8384939 Document imaging system and method Feb. 26, 2013
8355181 Method for processing non-standard frames by T.38 gateways Jan. 15, 2013
8351583 Telecommunication system and method of synchronization Jan. 8, 2013
8325635 Systems and methods for facsimile echo cancellation Dec. 4, 2012
8270006 Communication apparatus and facsimile communication system Sep. 18, 2012
8249230 Scalable and flexible internet fax architecture Aug. 21, 2012
8223934 Method of restricting use of a PacketCable SIP or NCS E-MTA line to fax-only Jul. 17, 2012
8218177 Resource management profiles Jul. 10, 2012
8208162 Variable page printing system Jun. 26, 2012
8179551 Print control apparatus, print controlling method and medium May. 15, 2012
8180031 Data communication apparatus and data communication method May. 15, 2012
8126122 Controlling data rate of a facsimilie transmission Feb. 28, 2012
8116440 Transmitting apparatus and transmitting method Feb. 14, 2012
8102553 Data communication system, image processing apparatus, program and data communication method Jan. 24, 2012
8102555 Image forming system and method of controlling image forming system Jan. 24, 2012
8098653 Signal-type dependent real-time fax relay Jan. 17, 2012
8098409 Image distribution system via e-mail Jan. 17, 2012
7894421 Voice and data exchange over a packet based network Feb. 22, 2011
7782494 Communication device Aug. 24, 2010
7733848 Signal-type dependent real-time fax relay Jun. 8, 2010
7639403 Technique for connecting fax machines with advanced capabilities over a network which is not adapted to handle certain protocols Dec. 29, 2009
7639384 Method for controlling error of internet fax data Dec. 29, 2009
7623273 Technique for connecting V.34 fax machines via fax relay gateways which are not adapted to support V.34 fax modulation Nov. 24, 2009
7480726 Method and system for establishing communication between at least two devices Jan. 20, 2009
7471779 Communication control method and communication apparatus Dec. 30, 2008
7433068 Digital transmitter device Oct. 7, 2008
7423785 Job recovery for scan to email Sep. 9, 2008
7355735 Real time fax over packet based network Apr. 8, 2008
7330283 Method for controlling error of internet fax data Feb. 12, 2008
7312904 Apparatus, method and program for communication Dec. 25, 2007
7262887 Network scanner system Aug. 28, 2007
7218424 Facsimile transmission over packet networks with delivery notification May. 15, 2007
7209264 Pre-connection telephony data signal exchanges Apr. 24, 2007
7145993 Communication apparatus Dec. 5, 2006
7081973 Facsimile machine and facsimile communications method Jul. 25, 2006
7012707 Image forming apparatus utilizing T.33 protocol to include both extensions and secondary phone numbers Mar. 14, 2006
6956677 Facsimile transmission over packet networks with delivery notification Oct. 18, 2005
6937709 Fax transmission over congested or corrupted wideband network, or narrowband network, using ECM error block flow control Aug. 30, 2005
6927878 Method for eliminating multiple modulating and demodulating of group 3 fax over packet and low data rate digital networks Aug. 9, 2005
6882711 Packet based network exchange with rate synchronization Apr. 19, 2005
6868146 Internet fax system, transmission result ascertaining apparatus for internet facsmile and running method of internet facsmile network Mar. 15, 2005
6836538 System and method for transmitting a facsimile via a network Dec. 28, 2004

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