US Patent No: 6,990,349

Number of patents in Portfolio can not be more than 2000

System and method for reconnecting a mobile station to an emergency operator

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Importance

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Abstract

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A technique for automatically reconnecting a mobile unit to an emergency operator when the connection therebetween is interrupted is described. In a preferred embodiment, when such a call is dropped, a mobile switching center ('MSC') though which the call is connected detects that the call has been dropped and, after determining that the call is an emergency call, based on the number originally dialed by the mobile unit, automatically reestablishes the connection with the mobile unit, thereby reestablishing the emergency call.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
APPLE INC.CUPERTINO, CA10315

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Idrissi, Yahya Plano, TX 3 70

Cited Art Landscape

Patent Info (Count) # Cites Year
 
LUCENT TECHNOLOGIES INC. (3)
5,752,185 Disconnection management system for wireless voice communications 56 1994
6,032,040 Method and system for autoreconnect of wireless calls 38 1997
6,556,816 Method and apparatus for re-establishing a call in a communication system 22 2000
 
ERICSSON INC. (2)
5,689,548 Emergency call back using MSC numbers 69 1996
5,712,900 Emergency call back for roaming mobile subscribers 55 1996
 
MOTOROLA, INC. (2)
4,811,380 Cellular radiotelephone system with dropped call protection 60 1988
5,590,177 Method for preventing a dropped call during a handoff in a radiotelephone system 55 1994
 
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (2)
5,544,224 Reestablishment 31 1995
6,240,284 System and method of handling emergency calls from roaming mobile stations in a radio telecommunications network 23 1998
 
AT&T WIRELESS SERVICES, INC. (1)
5,995,830 System and method for processing dropped calls 55 1997
 
CDC PROPRIETE INTELLECTUELLE (1)
5,488,640 Method and apparatus for re-establishment of a communication 13 1994
 
DENSO CORPORATION (1)
6,810,263 Packet data reconnection timing control in mobile communication systems 13 1999
 
GENBAND US LLC (1)
5,566,236 System and method for re-establishing a disconnected telephone communication 116 1996
 
GTE MOBILNET SERVICE CORP. (1)
6,038,437 Call-back method in response to emergency call originating from cellular radiotelephone 18 1997
 
OPTIS WIRELESS TECHNOLOGY, LLC (1)
6,148,190 System and method of handling emergency calls in a radio telecommunications network in the presence of cloned mobile stations 10 1998
 
SAMSUNG ELECTRONICS CO., LTD. (1)
6,343,216 Method of automatically reconnecting a dropped call in a mobile communication system 44 1999
 
VISTEON GLOBAL TECHNOLOGIES, INC. (1)
5,687,215 Vehicular emergency message system 93 1995

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
QUALCOMM INCORPORATED (4)
8,526,963 Restrictive reuse for a wireless communication system 0 2004
8,059,589 Dynamic restrictive reuse scheduler 1 2005
8,032,145 Restrictive reuse set management algorithm for equal grade of service on FL transmission 23 2005
8,675,509 Feedback to support restrictive reuse 0 2009
 
ALCATEL-LUCENT USA INC. (3)
7,565,130 Emergency intersystem paging for emergency call back 9 2003
7,764,944 Method of providing a unique call back number for wireless 9-1-1 calls 8 2004
7,565,131 Emergency call back through intersystem paging 6 2005
 
BLACKBERRY LIMITED (2)
7,933,581 Methods and apparatus for use in processing disconnected emergency calls and other communications involving mobile communication devices and the remote monitoring thereof 5 2007
8,483,655 Methods and apparatus for use in processing disconnected emergency calls and other communications involving mobile communication devices and the remote monitoring thereof 0 2012
 
GENERAL MOTORS LLC (2)
7,171,226 Communication retry method over digital wireless systems 19 2002
8,369,210 Retry for telematics packet data connection failures in CDMA 1xRTT network 0 2009
 
LUCENT TECHNOLOGIES INC. (2)
7,130,619 Mobile-originated reconnection of dropped wireless calls 5 2004
7,107,054 Reconnection of wireless calls to mobile units in border cells 4 2004
 
MICROSOFT CORPORATION (1)
7,818,003 Communication device auto negotiate reconnect 3 2006
 
SANDISK IL LTD. (1)
7,233,788 Recovering from a disconnected phone call 10 2004

Maintenance Fees

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 24, 2017
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