1
Brian R Poe, John W Maher, Daniel J McDonald: Method of assigning provisional identification to a subscriber unit and group. Motorola Solutions, Terri S Hughes, June 28, 2011: US07970426 (147 worldwide citation)

The present disclosure provides an efficient and effective method for allocating provisional PUIDs and PGIDs to subscriber units and groups during a failure, such that when the communication system recovers, there is a decrease in or elimination of the number of dropped or missed communications. The ...


2
John W Maher, James C Duran: Method for establishing and maintaining communication processing information for a group call. Motorola, Timothy W Markinson, September 12, 1995: US05450405 (63 worldwide citation)

When a group communication group call is initiated in a multi-site communication system, the communication processing information for that particular communication group call must be established. The communication processing information is formatted by a central controller which in turn transfers th ...


3
John W Maher: Communication system network that includes full duplex conference calling. Motorola, Timothy W Markison, Steven G Parmelee, June 29, 1993: US05224094 (42 worldwide citation)

During an existing communication between a first communication unit and at least a second communication unit, any communication unit in the existing communication may add another communication unit to the communication. This may be accomplished by initiating a request to add another communication un ...


4
John W Maher, Daniel J McDonald, Robert Biggs, Mario DeRango: Methods for implementing a talkgroup call in a multicast IP network. Motorola, Steven R Santema, Terri S Hughes, November 11, 2003: US06647020 (41 worldwide citation)

Systems and methods for implementing dispatch calls using IP multicasting protocols are disclosed. The methods include utilizing a payload multicast group address for distributing payload, and utilizing a control multicast group address for distributing control messages to members of the talkgroup i ...


5
John W Maher: Distributed fault isolation and recovery system and method. Motorola, Donald B Southard, Thomas G Berry, February 11, 1986: US04570261 (35 worldwide citation)

There is disclosed a system and a method for isolating faults and recovering a distributed system of the type including a plurality of modules to optimized operation. At least some of the modules are active fault recovery modules and include fault detecting means for initializing a fault check routi ...


6
Mario F Derango, John W Maher, Russell A Marten: Method for pre-establishing communications in a wireless communication network. Christopher P Moreno, June 2, 1998: US05761193 (34 worldwide citation)

Network access delays are minimized by using affiliation messages to pre-establish communications in a wireless communication network (100). In a first embodiment, connections between a site and a multicast server are not pre-assigned. A controller (102), upon receiving an affiliation message from a ...


7
John W Maher, Patrick L Harrington: Multicast IP zones for fast spanning tree convergence in wide-area packet network systems. Motorola, Indira Saladi, Terri S Hughes, Steven R Santema, March 7, 2006: US07009972 (30 worldwide citation)

System and methods for confining multicast routing trees to within single zones of a multi-zone communication systems, thereby enabling faster convergence of the trees relative to trees spanning multiple zones. Separate multicast routing trees are established using different multicast addresses in a ...


8
John W Maher, Keith I Mulford, James C Tykal: Radio console with CRT display. Motorola, Steven G Parmelee, October 2, 1990: US04961070 (30 worldwide citation)

A radio console having a CRT display that allows channel control windows (CCWs) to be moved about a work area or from a summary list to a work area and back again. The CCWs may be of various sizes, and the display provides helpful indications of suitable locations to where selected windows may be mo ...


9
John W Maher, Arms Yongyuth: Method for establishing and maintaining system configuration information. Motorola, Timothy W Markison, January 10, 1995: US05381403 (29 worldwide citation)

In a communication system network that includes a central controller that is operably coupled to a processing multiplexer switch, system configuration information may be transferred between the central controller and the processing multiplexer by establishing a communication link between the central ...


10
John W Maher, Daniel J McDonald, Michael Korus: Methods for implementing a talkgroup call with competing sources in a multicast IP network. Motorola, Steven R Santema, October 2, 2001: US06298058 (27 worldwide citation)

Methods for implementing talkgroup calls in an IP multicast network among competing sources, including console dispatch takeover of an active call from a subscriber, subscriber unit attempted takeover of an active call from a console, and operation of communication devices in different receive modes ...



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