Global Patent Index - EP 1321722 A2

EP 1321722 A2 2003-06-25 - Communication network system and data communication method therefor

Title (en)

Communication network system and data communication method therefor

Title (de)

Kommunikationsnetz und Verfahren zur Datenkommunikation dafür

Title (fr)

Réseau de communication et procédé de communication des données par ce même réseau

Publication

EP 1321722 A2 (EN)

Application

EP 02027703 A

Priority

JP 2001389190 A

Abstract (en)

A communication network system for an air conditioner in which at least one outdoor unit, plural indoor units and other units are connected to one another through plural communication networks to perform an air-conditioning operation, including at least one master unit (1) having plural communication ports (a,b,c, d), plural communication networks (A, B, C) connected to the communication ports (a, b, c, d) of the master device (1), and at least one slave unit (2, 3, 4, 5, 6, 7, 8, 9, 10, 11) connected to each of the communication networks (A, B, C), wherein the master unit (1) has a table (23) containing information for indicating the locations of the slave units (2, 3, 4, 5, 6, 7, 8, 9, 10, 11) connected to the communication networks (A, B, C), and means (M) for selecting on the basis of the table (23) a communication network route through which communication data addressed to a prescribed unit are transmitted to the prescribed unit. <IMAGE>

IPC 1-7 (main, further and additional classification)

F24F 11/00

IPC 8 full level (invention and additional information)

F24F 11/02 (2006.01); F24F 11/00 (2006.01); H04L 12/28 (2006.01); H04L 12/46 (2006.01)

CPC (invention and additional information)

F24F 11/30 (2018.01); F24F 11/54 (2018.01)

Designated contracting state (EPC)

FR IT

EPO simple patent family

EP 1321722 A2 20030625; EP 1321722 A3 20050921; EP 1321722 B1 20061018; CN 1184444 C 20050112; CN 1427219 A 20030702; JP 2003185235 A 20030703; JP 3995469 B2 20071024; KR 100512826 B1 20050907; KR 20030053427 A 20030628

INPADOC legal status


2011-03-31 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2010-10-29 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2007-09-26 [26N] NO OPPOSITION FILED

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2005-09-21 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

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2003-06-25 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

2003-06-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

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