1
Larry C Puhl, Richard A Comroe, Robert W Furtaw, Tracey L Cantarutti: Portable authentification system. Motorola, Jon P Christensen, July 14, 1992: US05131038 (272 worldwide citation)

A personal identity authentification system is provided in which parametric data of an authorized possessor is encrypted into a memory of a portable transceiver device. The portable transceiver device, carried by a possessor, may be activated by an identity request transmitted from a nearby, authori ...


2
Richard S Bickham, Robert W Furtaw, Joseph G Schultz, Arun Sobti, Kenneth J Zdunek: Method of providing an alert of a financial transaction. Motorola, James A Coffing, George C Pappas, June 25, 1996: US05530438 (209 worldwide citation)

A radio system user (126) is alerted (129) as to the occurrence of a financial transaction by a customer (118). Data (122) is obtained from the customer (118) and used to identify a radio system user (126), who is authorized to conduct the financial transaction. A message, indicative of the financia ...


3
Richard A Comroe, Arun Sobti, Robert W Furtaw: Trunking system communication resource reuse method. Motorola, Joseph P Krause, August 13, 1991: US05040238 (170 worldwide citation)

Reusing radio frequency specta in a trunked radio system by establishing small cell trunked radio systems within a large cell trunked radio system wherein low power radio transmission occurs permits multiple small cell trunked radio systems in geographically separate locatiosn to use a limited numbe ...


4
Richard A Comroe, Robert W Furtaw: TDM hand-off technique using time differences. Motorola, Wayne J Egan, November 9, 1993: US05260943 (140 worldwide citation)

A subscriber makes its hand-off decision based on time difference measurements between synchronization markers received from adjacent repeaters relative to the synchronization markers received from the subscriber's assigned repeater. The subscriber uses signal quality measurements to identify candid ...


5
James A McDonald, Richard A Comroe, Arun Sobti, Paul M Bocci, Robert W Furtaw, Bradley M Hiben: On-site system frequency sharing with trunking systems using spread spectrum. Motorola, Jon P Christensen, March 9, 1993: US05193101 (92 worldwide citation)

A way of allowing small, low-power communication units to reuse trunked system communication resources within the service coverage area of the larger trunked system without experiencing significant interference from the trunked system. The low power units (requestors and targets) avoid interference ...


6
Richard A Comroe, Arun Sobti, Paul M Bocci, Robert W Furtaw, Bradley M Hiben, James A McDonald: On-site/trunking system frequency sharing. Motorola, Jon P Christensen, September 21, 1993: US05247701 (44 worldwide citation)

Shown, herein, is a method of allowing use of small, low-power communication systems within the service coverage area of larger trunked systems. The small, low-power systems are constructed to reuse at least some of the communication resources, also used by the larger system. The large system measur ...


7
Richard A Comroe, Arun Sobti, Paul M Bocci, Robert W Furtaw, Bradley M Hiben, James A McDonald: Near-field on-site/trunking system frequency sharing. Motorola, Jon P Christensen, May 18, 1993: US05212805 (33 worldwide citation)

Shown, herein, is a method of allowing use of small, low-power communication systems within the service coverage area of larger trunked systems. The small, low-power systems are constructed to reuse at least some of the inbound frequencies of communication resources, also used by the larger system. ...


8
Robert W Furtaw: Hierarchical set of frequency reuse patterns allowing cellular air and land communication. Motorola, December 8, 1998: US05848359 (32 worldwide citation)

A cellular system (FIG. 4) is expanded to allow communication between mobile ground-based units (70 and 72) and mobile air-based units (80 and 78) where the air base units (e.g., a unit in airplane 78) operate above a threshold elevation. Mobile units below the threshold elevation level use local co ...


9
Asim K Roy, Richard A Comroe, Robert W Furtaw: Mobile ISDN radio system. Motorola, Jon P Christensen, November 8, 1994: US05363371 (24 worldwide citation)

A system is described for providing ISDN services on a PSTN to communication units from an ISDN interface within a resource controller. The communication unit is allowed access to a target such as a subscriber within the PSTN or a communication unit in another cell, in an ISDN environment through en ...


10
Robert W Furtaw, Richard A Comroe, Bradley M Hiben: Electromagnetic radiation node for use in a network and lighting element incorporating such a node. Motorola, J Ray Wood, January 11, 1994: US05278536 (20 worldwide citation)

A network (2) utilizing power conductor distribution and incorporating infra-red (IR) radiation nodes having IR transducers (4, 6, 8). The IR transducers are located in ceiling-mounted lighting fixtures (16, 18, 20) and are connected to power terminals in the lighting fixtures both for powering the ...



Click the thumbnails below to visualize the patent trend.