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H04N1/32721
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H04N1/32721
facsimile protocol signals
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Patents Grants
last 30 patents
Information
Patent Grant
Facsimile passthrough silence suppression
Patent number
9,692,615
Issue date
Jun 27, 2017
Dialogic Corporation
Maciej Wasiel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus, method of controlling the same and stor...
Patent number
9,621,744
Issue date
Apr 11, 2017
Canon Kabushiki Kaisha
Junji Iguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for synchronously implementing media switch in gateways used...
Patent number
9,131,081
Issue date
Sep 8, 2015
ZTE Corporation
Yi Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating apparatus and communicating system
Patent number
8,542,382
Issue date
Sep 24, 2013
Oki Data Corporation
Hideki Inoishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile document imaging and transmission
Patent number
8,373,882
Issue date
Feb 12, 2013
Dialogic Corporation
Allan Ashmore
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile apparatus, its control method, program and storage medium
Patent number
8,179,553
Issue date
May 15, 2012
Canon Kabushiki Kaisha
Kaori Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus to route fax calls in an internet protocol (I...
Patent number
8,130,425
Issue date
Mar 6, 2012
AT&T Intellectual Property I, L.P.
James Jackson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile apparatus, control method thereof, and control program th...
Patent number
8,054,486
Issue date
Nov 8, 2011
Canon Kabushiki Kaisha
Fumio Shoji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile apparatus, its control method, program and storage medium
Patent number
7,933,047
Issue date
Apr 26, 2011
Canon Kabushiki Kaisha
Kaori Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Technique for connecting fax machines with advanced capabilities ov...
Patent number
7,639,403
Issue date
Dec 29, 2009
Cisco Technology, Inc.
Mehryar Khalili Garakani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Technique for connecting V.34 fax machines via fax relay gateways w...
Patent number
7,623,273
Issue date
Nov 24, 2009
Cisco Technology, Inc.
Mehryar Khalili Garakani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus using transition state protocol signaling for...
Patent number
7,400,618
Issue date
Jul 15, 2008
Cisco Technology, Inc.
Shomit M. Ghosh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System, method and computer program for changing over between a voi...
Patent number
7,385,964
Issue date
Jun 10, 2008
Siemens Aktiengesellschaft
Thomas Baumann
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice/facsimile/modem call discrimination method for voice over pac...
Patent number
7,126,711
Issue date
Oct 24, 2006
Texas Instruments Incorporated
Frank E. Fruth
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fax over internet protocol client driver
Patent number
7,085,021
Issue date
Aug 1, 2006
Mindspeed Technologies, Inc.
Philippe Vivarelli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus using transition state protocol signaling for...
Patent number
6,865,187
Issue date
Mar 8, 2005
Cisco Technology, Inc.
Shomit M. Ghosh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile allowing correct registration of telephone number
Patent number
6,721,071
Issue date
Apr 13, 2004
Minolta Co., Ltd.
Tomoko Maruyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile call success rates in long delay and impaired channel env...
Patent number
6,603,577
Issue date
Aug 5, 2003
Hughes Electronics Corporation
Channasandra S. Ravishankar
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for detecting facsimile transmission
Patent number
6,278,775
Issue date
Aug 21, 2001
Qualcomm, Inc.
Gilbert C. Sih
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for detection of fax calls
Patent number
6,075,847
Issue date
Jun 13, 2000
Qualcomm Inc.
Nikolai K. N. Leung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus capable of communicating data and speech se...
Patent number
5,966,430
Issue date
Oct 12, 1999
Canon Kabushiki Kaisha
Takehiro Yoshida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for detecting facsimile transmission
Patent number
5,892,816
Issue date
Apr 6, 1999
Qualcomm, Incorporated
Gilbert C. Sih
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Visual telephone apparatus
Patent number
5,850,251
Issue date
Dec 15, 1998
Canon Kabushiki Kaisha
Shinji Tsuchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for reliable access to audio and facsimile mes...
Patent number
5,805,673
Issue date
Sep 8, 1998
Digital Sound Corporation
James M. Underwood
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Visual telephone apparatus
Patent number
5,610,975
Issue date
Mar 11, 1997
Canon Kabushiki Kaisha
Shinji Tsuchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile machine with diverse communication facilities
Patent number
5,574,571
Issue date
Nov 12, 1996
Societe d'Applications Generales d'Electricite et de Mecanique Sagem
Philippe Charbonnier
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data communication apparatus having an auto-calling function
Patent number
5,535,266
Issue date
Jul 9, 1996
Canon Kabushiki Kaisha
Teruyuki Nishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile apparatus with cordless phone, a ring signal detection, a...
Patent number
5,517,552
Issue date
May 14, 1996
Matsushita Electric Industrial Co., Ltd.
Tetsuo Yamashita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Externally attached handset of an end terminal used for mobile comm...
Patent number
5,452,474
Issue date
Sep 19, 1995
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data transmitting apparatus and method for executing both facsimile...
Patent number
5,448,378
Issue date
Sep 5, 1995
Matsushita Graphic Communication Systems, Inc.
Sei Matsumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION APPARATUS, CONTROL METHOD, AND COMPUTER-USABLE MEDIUM...
Publication number
20150163374
Publication date
Jun 11, 2015
Canon Kabushiki Kaisha
MICHIHIRO IZUMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE PROCESSING APPARATUS, METHOD OF CONTROLLING THE SAME AND STOR...
Publication number
20150116786
Publication date
Apr 30, 2015
Canon Kabushiki Kaisha
Junji Iguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FACSIMILE APPARATUS, ITS CONTROL METHOD, PROGRAM AND STORAGE MEDIUM
Publication number
20110170679
Publication date
Jul 14, 2011
Canon Kabushiki Kaisha
Kaori Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE DOCUMENT IMAGING AND TRANSMISSION
Publication number
20110002005
Publication date
Jan 6, 2011
DIALOGIC CORPORATION
Allan Ashmore
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Systems and Methods for Communicating Multimodal Messages
Publication number
20090128861
Publication date
May 21, 2009
Xpedite Systems, LLC
Francis Toscano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND APPARATUS TO ROUTE FAX CALLS IN AN INTERNET PROTOCOL (I...
Publication number
20090109495
Publication date
Apr 30, 2009
James Jackson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating apparatus and communicating system
Publication number
20090051965
Publication date
Feb 26, 2009
Oki Data Corporation
Hideki Inoishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FACSIMILE APPARATUS, ITS CONTROL METHOD, PROGRAM AND STORAGE MEDIUM
Publication number
20080088884
Publication date
Apr 17, 2008
Canon Kabushiki Kaisha
Kaori Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR SYNCHRONOUSLY IMPLEMENTING MEDIA SWITCH IN GATEWAYS USED...
Publication number
20070211302
Publication date
Sep 13, 2007
ZTE CORPORATION
Yi Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication apparatus, control method of communication apparatus,...
Publication number
20060136596
Publication date
Jun 22, 2006
Canon Kabushiki Kaisha
Michihiro Izumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Technique for connecting fax machines with advanced capabilities ov...
Publication number
20050168785
Publication date
Aug 4, 2005
Mehryar Khalili Garakani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Facsimile apparatus, control method thereof, and control program th...
Publication number
20050134908
Publication date
Jun 23, 2005
Canon Kabushiki Kaisha
Fumio Shoji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Facsimile-aware internet protocol telephone
Publication number
20050117183
Publication date
Jun 2, 2005
Sachin Adlakha
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voice/facsimile/modem call discrimination method for voice over pac...
Publication number
20030123097
Publication date
Jul 3, 2003
Frank E. Fruth
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System, method and computer program for changing over between a voi...
Publication number
20030118008
Publication date
Jun 26, 2003
Thomas Baumann
H04 - ELECTRIC COMMUNICATION TECHNIQUE