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1. EP0784893 - HIERARCHICAL COMMUNICATION SYSTEM PROVIDING INTELLIGENT DATA, PROGRAM AND PROCESSING MIGRATION

Office European Patent Office
Application Number 95927421
Application Date 21.07.1995
Publication Number 0784893
Publication Date 23.07.1997
Publication Kind B1
IPC
B60R 16/02
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
16Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
02electric
B60R 16/023
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
16Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
02electric
023for transmission of signals between vehicle parts or subsystems
B60R 16/03
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
16Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
02electric
03for supply of electrical power to vehicle subsystems
G06F 1/16
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
1Details not covered by groups G06F3/-G06F13/82
16Constructional details or arrangements
G06F 1/28
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
1Details not covered by groups G06F3/-G06F13/82
26Power supply means, e.g. regulation thereof
28Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
G06F 1/32
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
1Details not covered by groups G06F3/-G06F13/82
26Power supply means, e.g. regulation thereof
32Means for saving power
CPC
B60R 16/0231
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
16Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
02electric ; constitutive elements
023for transmission of signals between vehicle parts or subsystems
0231Circuits relating to the driving or the functioning of the vehicle
B60R 16/0315
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
16Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
02electric ; constitutive elements
03for supply of electrical power to vehicle subsystems ; or for
0315using multiplexing techniques
G06F 1/1626
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
1Details not covered by groups G06F3/00G06F13/00 and G06F21/00
16Constructional details or arrangements
1613for portable computers
1626with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
G06F 1/163
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
1Details not covered by groups G06F3/00G06F13/00 and G06F21/00
16Constructional details or arrangements
1613for portable computers
163Wearable computers, e.g. on a belt
G06F 1/1632
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
1Details not covered by groups G06F3/00G06F13/00 and G06F21/00
16Constructional details or arrangements
1613for portable computers
1632External expansion units, e.g. docking stations
G06F 1/28
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
1Details not covered by groups G06F3/00G06F13/00 and G06F21/00
26Power supply means, e.g. regulation thereof
28Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
Applicants BROADCOM CORP
Inventors MAHANY RONALD L
WEST GUY J
BUNTE ALAN G
DANIELSON ARVIN D
MORRIS MICHAEL D
MEIER ROBERT C
Designated States
Priority Data 27914894 22.07.1994 US
48760995 07.06.1995 US
9509380 21.07.1995 US
Title
(DE) HIERARCHISCHES KOMMUNIKAITONSSYSTEM MIT INTELLIGENTER MIGRATION VON DATEN, PROGRAMMEN UND VERARBEITUNG
(EN) HIERARCHICAL COMMUNICATION SYSTEM PROVIDING INTELLIGENT DATA, PROGRAM AND PROCESSING MIGRATION
(FR) SYSTEME HIERARCHIQUE DE COMMUNICATIONS PERMETTANT LA MIGRATION INTELLIGENTE DE DONNEES, DE PROGRAMMES ET DE TRAITEMENTS
Abstract
(EN)
A hierarchical communication system (30), arranged in a spanning tree configuration, is described in which wired and wireless communication networks (37, 40, 41) exhibiting substantially different characteristics are employed in an overall scheme to link portable or mobile computing devices (35, 36). Copies of data, program code and processing resources are migrated from their source toward requesting destinations based on request frequency, communication link costs and available local storage and/or processing resources. Each appropriately configured network device (33, 35, 36) acts as an active participant in network migration. In addition, portable two dimensional (2-D) code reading terminals (43, 44, 45) are configured to wirelessly communicate compressed 2-D images towards stationary access servers (33) that identify the code image through decoding and through comparison with a database of images that have previously been decoded and stored.

(FR)
Système de télécommunications (30) en arbre maximal dans lequel des réseaux (37, 40, 41) de communication par fil ou sans fil présentant des caractéristiques sensiblement différentes font partie d'un schèma général de liaisons entre des ordinateurs portables et mobiles (35, 36). Des copies des données, du code de programmation et des resources de traitement sont acheminées depuis leur source vers les destinations requérantes sur la base de la fréquence demandée, du coût de la liaison et des resources locales de stockage et/ou de traitement disponsibles. Chacun des éléments de réseau de configuration appropriée (33, 35, 36) joue un rôle actif dans le cheminement à travers les réseaux. De plus, des terminaux (43, 44, 45) portables de lecture des codes bidimentionnels (2-D) sont conçus pour pouvoir transmettre des images 2-D comprimées vers des serveurs d'accès stationnaire (33) qui identifient l'image du code par décodage et comparaison avec une banque de données d'images préalablement décodées et stockées.