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Class Information
Number: 379/372
Name: Telephonic communications > Supervisory or control line signaling > Signal reception at substation
Description: subject matter wherein a control or line signal is received at a subscriber terminal.










Sub-classes under this class:

Class Number Class Name Patents
379/373.01 Incoming call alerting 314
379/376.02 Silencing ring signal 37


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8675849 Ubiquitous transfer of a phone number to another phone Mar. 18, 2014
8638920 Call routing monitoring, control and reporting Jan. 28, 2014
8577020 Communication terminal apparatus Nov. 5, 2013
8498397 Call handling for incoming telephone calls Jul. 30, 2013
8483384 Enhanced tone detector including adaptive multi-bandpass filter for tone detection and enhancement Jul. 9, 2013
8433766 System and method for providing information on a received communication for an electronic communication device Apr. 30, 2013
8401173 Telephone-line-connection method Mar. 19, 2013
8295887 Method for adjusting a ring tone volume and mobile communication terminal using the same Oct. 23, 2012
8290123 Gateway and method for detecting a communication link between a called telephone and a telephone switch Oct. 16, 2012
8271660 Network telephony appliance and system for inter/intranet telephony Sep. 18, 2012
8204202 Method and system for playing ringing back tone in IMS network Jun. 19, 2012
8204257 System and method for increasing ring tone volume Jun. 19, 2012
8175245 Single telephone number access to multiple communications services May. 8, 2012
8170194 Method and system for replicating ring back tones May. 1, 2012
8155301 System and method for dialing prompt Apr. 10, 2012
8135128 Animatronic creatures that act as intermediaries between human users and a telephone system Mar. 13, 2012
8131812 System and method for providing information on a received communication for an electronic communication device Mar. 6, 2012
8081778 VOX circuit with 2-wire interfaces Dec. 20, 2011
8036361 Selection of ringback tone indicative of emotional state that is input by user of called communication device Oct. 11, 2011
8027460 Automatic provisioning of distinct ring-tones for co-located telephones Sep. 27, 2011
RE42590 Telephone line coupler Aug. 2, 2011
7940909 Method and system for rewarding ring back tone, donor platform, and custom ring back tone platform May. 10, 2011
7903808 Facsimile apparatus for outputting a melody when receiving a call from a specific party Mar. 8, 2011
7890589 System and method for providing information on a received communication for an electronic communication device Feb. 15, 2011
7831029 Single telephone number access to multiple communications services Nov. 9, 2010
7770043 Data processing device and method of controlling power consumption in back-light in data processing device Aug. 3, 2010
7675873 Enhanced IP-voice conferencing Mar. 9, 2010
7398084 Method and system of correlating dissimilar call records to a high level aggregated view Jul. 8, 2008
7389104 Methods, systems and apparatus for providing urgent public information Jun. 17, 2008
7266187 Caller ID system with retransmitted caller ID information Sep. 4, 2007
7236585 Apparatus and method for noise immunity during signal detection Jun. 26, 2007
7197134 DTMF generating assistant Mar. 27, 2007
7194249 Methods, systems and apparatus for providing urgent public information Mar. 20, 2007
7190771 Internet telephony devices with circuity to announce incoming calls Mar. 13, 2007
7184542 DTMF tone detection Feb. 27, 2007
7142664 Intelligent multimode message alerts Nov. 28, 2006
RE39406 Telephone line coupler Nov. 21, 2006
7124313 Data processing device and method of controlling power consumption in back-light in data processing device Oct. 17, 2006
7116769 Telephone having phone number registration function, phone number registration method, and call register display method Oct. 3, 2006
7110529 Bookmarking method and apparatus for an electronic phone book Sep. 19, 2006
7106846 System and method for caller control of a distinctive ring Sep. 12, 2006
7088817 Method and apparatus for performing high-density DTMF, MF-R1, MF-R2 detection Aug. 8, 2006
7043012 Method and apparatus for ring again feature for a telephone system May. 9, 2006
7020628 Method and system for tracking computer system usage through a remote access security device Mar. 28, 2006
6999581 Event detection circuit Feb. 14, 2006
6996228 Motor for generating vibrational signal Feb. 7, 2006
6954531 Software controlled ring voltage generator Oct. 11, 2005
6937880 Telecommunication device with improved call-priority notification function and method of notification of call-priority Aug. 30, 2005
6937716 Method of automatically changing a calling mode of telephone as timer setting changes Aug. 30, 2005
6914979 Tone detection Jul. 5, 2005

1 2 3 4










 
 
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