Alan P Zabarsky, Suzette D Steiger, Edward F Staiano, Jerry L Sandvos: Two way personal message system with extended coverage. Motorola, Raymond A Jenski, Donald B Southard, February 17, 1987: US04644351 (393 worldwide citation)

A communications system for carrying messages via a radio channel between one central site of a plurality of central sites and a plurality of two-way remote data units is disclosed. Each central site has a radio coverage area and each remote unit has a unique address and association with one of the ...

Michael J Schellinger, Robert F D Avello, Robert K Krolopp: Apparatus and method for alternative radiotelephone system selection. Motorola, Raymond A Jenski, November 9, 1993: US05260988 (282 worldwide citation)

A dual mode cellular cordless portable radiotelephone preferentially selects the cordless base station over the cellular system when in range of the cordless base station. When the cordless cellular portable is operating in the cellular mode, the radio channel associated with the cordless base stati ...

Paul H McClelland, Kenneth E Trueba: Printhead with pump driven ink circulation. Hewlett Packard Company, Raymond A Jenski, January 25, 2000: US06017117 (225 worldwide citation)

A printhead for an inkjet printer employs an integral pump disposed in an ink feed channel, input well, or output well to circulate ink to the ink expulsion chambers in the printhead.

Gerald P Labedz, Jeffrey D Bonta, Dennis R Schaeffer, Daniel F Tell: Cellular voice and data radiotelephone system. Motorola, Raymond A Jenski, Rolland R Hackbart, March 31, 1987: US04654867 (209 worldwide citation)

A data message transmission system for a cellular radiotelephone system is disclosed. Data to be transmitted is converted into a format compatible with radio transmission prior to transmission. The data is reconverted to its original format following reception. Handoff is accomplished by halting the ...

James M Williams, John P Lodwig: Method of providing wireless local loop operation with local mobility for a subscribed unit. Motorola, Raymond J Warren, Anthony G Sitko, Raymond A Jenski, December 12, 1995: US05475735 (206 worldwide citation)

Mobility is provided for wireless local loop radiotelephone systems by providing the home access network of a subscriber unit with a home access number. Upon registration of the subscriber unit with its home access network, the home access number is transmitted to the subscriber unit for storage the ...

Gerald P Labedz: Microcellular communications system using macrodiversity. Motorola, Raymond A Jenski, Rolland R Hackbart, January 10, 1989: US04797947 (155 worldwide citation)

A cellular system employing time division messages transmitted from a plurality of radiators in each cell is disclosed. A first electromagnetic signal at a particular frequency is transmitted during one time slot from one of the plurality of radiators. A second electromagnetic signal at the same fre ...

Thomas J Walczak, Richard M Stone, Gary M Cristiano: Temperature compensated automatic output control circuitry for RF signal power amplifiers with wide dynamic range. Motorola, James W Gillman, Rolland R Hackbart, Raymond A Jenski, June 11, 1985: US04523155 (145 worldwide citation)

Improved temperature compensated, automatic output control (AOC) circuitry for RF signal power amplifiers is described that maintains the output power within one-half dB of a selected one of eight power levels varying from nine milliwatts to five watts, a dynamic range of twenty-eight dB. The amplif ...

Gary W Persinotti: Wide area coverage radio communication system and method. Motorola, Edward M Roney, Donald B Southard, Raymond A Jenski, March 25, 1986: US04578815 (144 worldwide citation)

A wide area coverage radio communication system of the type adapted to relay a message substantially simultaneously from a plurality of fixed location sites to a plurality of portable or mobile units includes a plurality of repeaters at each of the sites. Each of the repeaters is arranged to transmi ...

Robert M Johnson, Michael P Metroka: Method and apparatus for determining battery type and modifying operating characteristics. Motorola, Raymond A Jenski, Rolland R Hackbart, November 17, 1992: US05164652 (133 worldwide citation)

A battery type detector for battery-using and battery-charging equipment is disclosed. Operational characteristics of the using and charging equipment are modified in accordance with the battery type detected.

Robert F D Avello, Francis P Tobolski Jr, Joseph L Kowalski: Radiotelephone credit card call approval synchronization. Motorola, Raymond A Jenski, Rolland R Hackbart, August 22, 1989: US04860341 (126 worldwide citation)

A mobile radiotelephone call synchronization method and apparatus for a radiotelephone system utilizing a credit card for payment of calls is disclosed. Call access is denied a mobile unit until the user runs his credit card through a card reader to input credit card information. After checking list ...