US Patent No: 7,831,254

Number of patents in Portfolio can not be more than 2000

Terminal device, and in-zone cell checking method and cell re-selection method thereof

ALSO PUBLISHED AS: 20050221830

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Importance

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Abstract

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A terminal device including a radio unit that adopts code division multiple access (cdma), which device omits unnecessary cell search by extending an in-zone cell monitoring cycle and a re-selection cycle in a case where under fixed conditions during cell search, when a physical layer and an RRC of the radio unit determine that a mobile phone remains still.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
WARREN & LEWIS INVESTMENT CORPORATIONFALLS CHURCH, VA277

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Natsume, Kohei Tokyo, JP 4 1

Cited Art Landscape

Patent Info (Count) # Cites Year
 
QUALCOMM INCORPORATED (6)
5,790,589 System and method for rapidly reacquiring a pilot channel 43 1996
7,596,378 Idle mode handling in a hybrid GSM/CDMA network 18 1999
7,092,716 Idle mode handling in a hybrid GSM/CDMA network 17 2002
7,110,765 Limiting cell reselection based on pilot power 16 2002
7,133,702 Idle mode cell reacquisition and reselection 16 2002
2004/0116,110 Searching for neighbor cells within a fixed time duration 45 2003
 
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (4)
5,539,748 Enhanced sleep mode in radiocommunication systems 91 1994
5,574,996 Enhanced sleep mode in radiocommunication systems 44 1995
6,331,971 Enhanced sleep mode in radiocommunication systems 25 1995
5,883,885 Base and mobile stations including enhanced sleep mode 16 1996
 
BENQ CORPORATION (1)
2004/0224,659 Power saving method for mobile unit 7 2003
 
INTEL CORPORATION (1)
6,606,490 Battery operated radio receivers having power save by reducing active reception time 15 1999
 
NOVATEL WIRELESS, INC. (1)
6,799,030 Method and apparatus for low power operation of an RF wireless modem 20 2001
 
UNWIRED PLANET, LLC (1)
6,535,752 Radio receiver with power saving during synchronization retries 15 1999

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 May 9, 2014
7.5 Year Payment $3600.00 $1800.00 $900.00 May 9, 2018
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 9, 2022
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00

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