1
Lloyd C Stursa: Right angle coaxial connector. E F Johnson Company, Dorsey & Whitney, April 7, 1987: US04655534 (116 worldwide citation)

A minature right angle coaxial connector is provided that enables a coaxial cable to be connected to a standard SMB mating connector. A stamped and formed interface is housed in the connector that has outwardly oriented multiple spring leaf barbs for securing the interface to the inner surface of th ...


2
Dana Simonson, John Livdahl, Rory A Smith: System and method for multicast communications using real time transport protocol (RTP). E F Johnson Company, Schwegman Lundberg Woessner & Kluth, May 22, 2007: US07221660 (108 worldwide citation)

An Internet protocol (IP) packet switching communication system using real time transport protocol (RTP). Control packets map group identification codes to a multicast address on a network. Control packets are distributed on the network using simple object access protocol (SOAP) messages with extens ...


3
Mervin L Grindahl, George Rosar, Mark Kodet: Remotely interrogated transponder. E F Johnson Company, Dorsey & Whitney, November 22, 1988: US04786903 (58 worldwide citation)

A radio frequency transponder is provided that combines high signal sensitivity in the receive mode and variable frequency capability in the transmit mode in a low component and power efficient design. A single tuned amplifier acts as the externally quenched oscillator of a superregenerative receive ...


4
Jerry J Conley, Gary B Mortensen: Tritiated light emitting polymer electrical energy source. E F Johnson Company, Patterson & Keough, June 23, 1992: US05124610 (52 worldwide citation)

An electrical energy source is created by the combination of a light emitting polymer material having at least one light emitting surface emitting light energy of a specified frequency bandwidth and a photovoltaic cell having a light collecting surface and a pair of electrical contacts. The light co ...


5
Jay R Holcomb, Brian T Van Lear: Charger for batteries and for devices having batteries. Transcrypt International E F Johnson Company, Schwegman Lundberg Woessner & Kluth P A, July 20, 1999: US05926005 (50 worldwide citation)

A battery charger is disclosed including a main housing which receives an adapter therein. The adapter receives batteries or other devices to be charged therein. The adapter has alignment projections and multiple levels therein for accommodating many different sizes of devices or batteries to be cha ...


6
Christopher J Ludewig: Battery charger. E F Johnson Company, Schwegman Lundberg Woessner & Kluth P A, November 18, 1997: US05689171 (49 worldwide citation)

A battery charger designed for use with a portable battery powered device. The battery charger has a housing and two battery charger ports defined therein, each of the battery charger ports have a first open end at the surface of the housing and a second closed end. The battery charger ports include ...


7
Jerry J Conley, Gary B Mortensen: Adjustable-output electrical energy source using light-emitting polymer. E F Johnson Company, Patterson & Keough, August 10, 1993: US05235232 (45 worldwide citation)

A long-life, electrical energy source having an adjustable output is comprised of a light emitting phosphor activated by a radioisotope and coupled to a plurality of photovoltalic cells that have their outputs electrically connected together. The output power of the electrical energy source is effec ...


8
Lloyd C Stursa: Printed circuit board coaxial connector interface. E F Johnson Company, Dorsey & Whitney, February 24, 1987: US04645288 (36 worldwide citation)

A miniature interface is provided that allows connection of a coaxial connector, used to terminate a coaxial cable, to a printed circuit board. The interface comprises a hollow tubular conductive body portion having a dielectric disposed therein and legs depending from a flange at the lower end of t ...


9
Manohar L Ailawadhi, James H Ryan, Chander M Wahi: Solderless coaxial cable connector. E F Johnson Company, Warren A Sturm, Hugh D Jaeger, January 23, 1979: US04135776 (34 worldwide citation)

A solderless coaxial cable connector for securely holding coaxial cable without indentation to the cable dielectric and offering a high strength joint at the connector. A conductive cylindrical body having four annular ratchet teeth keeps the connector from rotating when mated. The small end of the ...


10
Duane T Fier: Communications adaptor bracket. E F Johnson Company, Dorsey & Whitney, August 2, 1988: US04761823 (32 worldwide citation)

A method and apparatus for adapting a portable radio transceiver (10) for configuration in electronic communication with a main console of a fixed or mobile communication system. The apparatus employs a bracket (36) which serves to extend, by cables 52, 54, various functional input terminals at the ...