1
Robert H Bickley, Theodore W Keller, John Bjornholt: Transponding tag and method. Motorola, Frederick M Fliegel, July 4, 1995: US05430441 (250 worldwide citation)

A transponding tag (14) and method for responding with a unique code signal (18) when it receives an interrogation signal (16). The tag (14) waits a random duration before responding to avoid interference with response code signals (18) from other tags (14). The tag (14) includes two antennae (22, 2 ...


2
Durrell W Hillis: Dynamic pricing method and apparatus for communication systems. Motorola, Robert M Handy, Gregory J Gorrie, Frederick M Fliegel, April 12, 1994: US05303297 (218 worldwide citation)

A communication system service billing arrangement is described that adapts to system loading in realtime. As system loading varies, one or more individual subscribers units (ISU) of a communication system are provided with realtime information on the current cost of the communication service. The s ...


3
Steven P Allen, Scott T Demarest, Thomas R Troksa: Low power addressable data communication device and method. Motorola, Frederick M Fliegel, February 25, 1997: US05606313 (206 worldwide citation)

An electronic tag (10) receives a data message (18) that has a wake-up section (20) followed by a session section (22). The interrogation signal which carries the data message encodes the wake-up section (20) differently from the session section (22). A power manager (28) decodes the wake-up section ...


4
George M Barney, Douglas A Hardy, Craig R Balogh: Cryptographic key management apparatus and method. Motorola, Frederick M Fliegel, August 23, 1994: US05341426 (148 worldwide citation)

A method for establishing a secure communications link between first and second terminals includes a step of exchanging a first message. The first message contains information describing encryption devices and communications modes available within the terminals and user authentication information. T ...


5
Bruce A Fette, Steve D DaBell: Dynamically configurable switched capacitor power supply and method. Motorola, Frederick M Fliegel, May 9, 1995: US05414614 (119 worldwide citation)

A dynamically configurable switched capacitor power supply and a method for operation thereof. The power supply includes a first dynamically adjustable switched capacitor network having a first input, a first output and including a first plurality of n many switched capacitors. The first input is ad ...


6
Joseph T Marino Jr, Ernest W Borgoyne Jr: Operational methods for a secure node in a computer network. Motorola, Frederick M Fliegel, June 25, 1996: US05530758 (110 worldwide citation)

A computer network (20) including secure nodes (26) and unsecured nodes (28). The secure nodes (26) may communicate private data without compromising security provisions. The secure nodes (26) include a security kernel (36) that implements communication security provisions and a trusted operating sy ...


7
John E Bjornholt: Collison avoidance communication system and method. Motorola, Frederick M Fliegel, February 20, 1996: US05493309 (109 worldwide citation)

In a collision avoidance communication system and method, equipped aircraft (12) and ground control stations (18) which represent nodes of an RF communication network (22). A radar system (16) determines locations of equipped aircraft (12) and unequipped aircraft (14) within an airspace (10). The gr ...


8
Thomas E Schiltz, Carl R Nuckolls: High speed sample and hold circuit and radio constructed therewith. Motorola, Frederick M Fliegel, Robert M Handy, August 16, 1994: US05339459 (105 worldwide citation)

A sample and hold circuit is formed within an integrated circuit and has a small, substantially linear hold capacitance. The circuit includes a sampling switch, a hold capacitor, and a buffer amplifier. The buffer amplifier includes a common drain FET and a constant current source FET. The common dr ...


9
Douglas A Hardy, Leslie K Lewis, Barry N Altschuler: Method for algorithm independent cryptographic key management. Motorola, Frederick M Fliegel, Robert M Handy, January 12, 1993: US05179591 (104 worldwide citation)

An apparatus for secure communications contains a controller for automatically selecting one of several data ciphering means utilizing one of a plurality of ciphering algorithms common to transmitting and receiving terminals. A transmitting means for transmitting encrypted data, and a receiving mean ...


10
Theresa C Y Wang, Raymond J Leopold, Steven H Moritz: Call setup method for use with a network having mobile end users. Motorola, Harold C McGurk, Frederick M Fliegel, Robert M Handy, August 30, 1994: US05343512 (92 worldwide citation)

A distributed communication network includes switching offices (SOs), moving-orbit satellites, and subscriber information managers (SIMs). A population of mobile units (MUs) communicates through the network. A MU automatically determines its location and communicates with the network so that this in ...



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