P

Inventor

SPEAR STEPHEN L

US25 patents
⚠️ This page may combine multiple inventors who share the name “SPEAR STEPHEN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MOTOROLA INC

21 patents
US6289220B1Sep 11, 2001

Multiple controller identities for neighbor lists

MOTOROLA INC83 citations98
US7165112B2Jan 16, 2007

Method and apparatus for transmitting data in a communication system

MOTOROLA INC109 citations97
US5913167AJun 15, 1999

Method for transferring a communication link in a wireless communication system

MOTOROLA INC69 citations96
US5301188AApr 5, 1994

Shared-carrier frequency hopping

MOTOROLA INC69 citations96
US5263047ANov 16, 1993

Multiple cavity tuning of a transmitter output in a communication system

MOTOROLA INC67 citations96
US5185739AFeb 9, 1993

Time-allocation of radio carriers

MOTOROLA INC90 citations96
US5081641AJan 14, 1992

Interconnecting and processing system for facilitating frequency hopping

MOTOROLA INC70 citations96
US4811380AMar 7, 1989

Cellular radiotelephone system with dropped call protection

MOTOROLA INC85 citations96
US4268722AMay 19, 1981

Radiotelephone communications system

MOTOROLA INC166 citations96
US7020087B2Mar 28, 2006

Segmented and distributed path optimization in a communication network

MOTOROLA INC92 citations95
US7106714B2Sep 12, 2006

Method and apparatus for transmission of control data in a packet data communication system

MOTOROLA INC25 citations92
US5506867AApr 9, 1996

Cellular radio system using common radio backbone

MOTOROLA INC39 citations92
US5442681AAug 15, 1995

Method of exchanging communicated signals between a remote base site and a central site in a communication system

MOTOROLA INC35 citations92
US5036531AJul 30, 1991

Local PSTN interconnect with remote signal link processing

MOTOROLA INC32 citations92
US7167459B2Jan 23, 2007

Inter-network handover in a packet radio system

MOTOROLA INC10 citations84
US7471961B2Dec 30, 2008

Group call service using broadcast radio bearer

MOTOROLA INC15 citations83
US6907019B2Jun 14, 2005

Communication controller and method for managing the traffic flow of a communication connection during a cell reselection

MOTOROLA INC11 citations74
US5422935AJun 6, 1995

Method of and apparatus for providing a local PSTN interconnect with a cellular base site

MOTOROLA INC16 citations74
US5408495AApr 18, 1995

Multiple cavity tuning of a transmitter output in a communication system

MOTOROLA INC9 citations74
US5819181AOct 6, 1998

Apparatus and method for mitigating excess time delay in a wireless communication system

MOTOROLA INC8 citations73
US7330920B2Feb 12, 2008

Signal initiator and method for on-demand communication

MOTOROLA INC2 citations63

SPEAR STEPHEN L

3 patents

MOTOROLA MOBILITY INC

1 patent