1
Randy Ekl
Michael H Retzer, Randy L Ekl, Joseph E Phillips: Method and apparatus for improving throughput in a wireless local area network. Motorola, Latonia Gordon, Anthony P Curtis, October 21, 2008: US07440764 (3 worldwide citation)

A method and apparatus for improving throughput in a wireless local area (WLAN), which includes buffering a set of messages, identifying a target address for the set of messages, and concatenating the set of messages based on the target address. The target address can be either unicast, broadcast, m ...


2
Randy Ekl
Joseph E Phillips, Mario F Derango, Randy L Ekl, Michael H Retzer: Method for preserving wireless resources in a wireless local area network. Motorola, Randi L Karpinia, Indira Saladi, January 30, 2007: US07170868 (1 worldwide citation)

In one embodiment of the present invention, an access point (111) receives a multicast packet intended for a particular multicast group. Upon receipt, the access point only rebroadcast the multicast packet over a wireless segment if it determines that there is at least one wireless subscriber unit ( ...


3
Scott P Howard, Ted A Kozlowski, Michael H Retzer: Signalling system for trunked private calls. Motorola, Thomas G Berry, Donald B Southard, October 20, 1987: US04701944 (27 worldwide citation)

Disclosed is a signalling system wherein a private call initiating trunked subscriber enters a private ID number on an entry means. The trunked subscriber unit decodes the entered number and forms the ID code required to request a channel. The central controller receives the request and encodes an a ...


4
Steven C Jasper, Robert V Janc, David S Robins, Michael H Retzer: Apparatus and method for attenuating interfering signals. Motorola, Mark P Kahler, Edward M Roney, James W Gillman, November 15, 1983: US04416017 (25 worldwide citation)

A method and apparatus for attenuating an interfering signal corrupting a desired Loran C signal is provided. An interfering signal sample is determined which occurs at the peak of the autocorrelation function of the interfering signal such that the period of the interferer is known. The sample occu ...


5
Barry Moss, Denis Beaudoin, Michael H Retzer: Dual function interface for PCMCIA compatible peripheral cards and method of use therein. Motorola, J Ray Wood, August 11, 1998: US05793989 (23 worldwide citation)

A dual function interface operating in a Personal Computer Memory Card International Association (PCMCIA) mode of operation switches to an alternative interface operating in the appropriate mode of operation as defined by the alternative interface system specification. This is accomplished by settin ...


6
Robert V Janc, David S Robins, Michael H Retzer: Apparatus and method for detecting the presence of a pulsed radio frequency signal. Motorola, Mark P Kahler, Edward M Roney, James W Gillman, January 25, 1983: US04370748 (13 worldwide citation)

The presence of a pulsed radio frequency signal is detected by periodically sampling such signal with first and second sampling strobes in quadrature relationship. The first and second strobes are separately accumulated for a first period of time overlapping a second period of time during which the ...


7
Earle G Long, Michael H Retzer, Nuruddin Ladhani: Radio telephone system with one-to-many dispatch system. Motorola, March 30, 2004: US06714795 (12 worldwide citation)

A one-to-many dispatch method for use in a TDMA or other wireless telephone system. The one-to-many dispatch call is placed by sending a Request message


8
Steven C Jasper, Robert V Janc, David S Robins, Michael H Retzer: Apparatus and method for determining the presence and frequency of a periodic signal. Motorola, Mark P Kahler, Edward M Rooney, James W Gillman, April 24, 1984: US04445223 (9 worldwide citation)

An apparatus and method for determining the period and frequency of a signal intefering with a desired Loran C signal are provided. A sample of the interfering signal is generated at a time corresponding to the peak of the autocorrelation function of the interfering signal with respect to the predet ...


9
Michael H Retzer: Apparatus and method for pattern adaptive offset restoration. Motorola, Hugh C Dunlop, March 2, 1999: US05878091 (5 worldwide citation)

An apparatus and method adaptable to desired offsets for determining an undesired offset of a signal having a maximum and a minimum state that includes: providing a peak and trough estimate of, respectively, the maximum and minimum amplitude state; averaging such estimates to provide a reference lev ...


10
Michael H Retzer, Timothy W Markison: Resilient housing actuated multi-level switch. Motorola, Timothy W Markison, Steven G Parmelee, August 24, 1993: US05239691 (5 worldwide citation)

A resilient housing actuated multi-level housing switch comprises a compression sensitive circuit which is actuated by compressing a resilient housing. The compression sensitive circuit comprises a compression sensing device which produces an analog signal, an A to D converter, and a microprocessor. ...



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