ES2161644A1 - Protocolo anti-colision con comunicacion unidireccional. - Google Patents

Protocolo anti-colision con comunicacion unidireccional.

Info

Publication number
ES2161644A1
ES2161644A1 ES200001154A ES200001154A ES2161644A1 ES 2161644 A1 ES2161644 A1 ES 2161644A1 ES 200001154 A ES200001154 A ES 200001154A ES 200001154 A ES200001154 A ES 200001154A ES 2161644 A1 ES2161644 A1 ES 2161644A1
Authority
ES
Spain
Prior art keywords
channel
emitters
confirmation
medium
collusion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
ES200001154A
Other languages
English (en)
Other versions
ES2161644B1 (es
Inventor
Gonzalez Juan Domingo Sandoval
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES200001154A priority Critical patent/ES2161644B1/es
Priority to PCT/ES2001/000173 priority patent/WO2002091758A1/es
Priority claimed from PCT/ES2001/000173 external-priority patent/WO2002091758A1/es
Publication of ES2161644A1 publication Critical patent/ES2161644A1/es
Application granted granted Critical
Publication of ES2161644B1 publication Critical patent/ES2161644B1/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

El objeto de la invención es un protocolo de comunicaciones unidireccionales por canal común con contienda por el medio en el que no existe canal de retorno para confirmación de recepción ni mecanismo de escucha del canal por parte de los emisores. Descripción: N emisores y M receptores comparten el canal. Los emisores envían tramas con información con intervalos de tiempo marcados por una variable aleatoria. Todos los receptores reciben el mensaje que es procesado por el receptor determinado. Cuando los mensajes se pierden no existe mecanismo de detección ni recuperación de ningún tipo. Aplicaciones: Aviso del paso del emisor por la cercanía de un receptor. Por ejemplo para el pago automático y sin parada de peaje de autopista. Aviso de perdida de recepción. Para asegurar que objetos o personas no se alejen más allá de una distancia determinada del receptor. Etiquetas sin contactos. Para alarmas antirrobo de mercancía y facturación automática en cajas registradoras.
ES200001154A 2000-04-29 2000-04-29 Protocolo anti-colision con comunicacion unidireccional. Expired - Lifetime ES2161644B1 (es)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES200001154A ES2161644B1 (es) 2000-04-29 2000-04-29 Protocolo anti-colision con comunicacion unidireccional.
PCT/ES2001/000173 WO2002091758A1 (es) 2000-04-29 2001-05-04 Protocolo anti-colisión con comunicación unidireccional

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200001154A ES2161644B1 (es) 2000-04-29 2000-04-29 Protocolo anti-colision con comunicacion unidireccional.
PCT/ES2001/000173 WO2002091758A1 (es) 2000-04-29 2001-05-04 Protocolo anti-colisión con comunicación unidireccional

Publications (2)

Publication Number Publication Date
ES2161644A1 true ES2161644A1 (es) 2001-12-01
ES2161644B1 ES2161644B1 (es) 2003-04-16

Family

ID=8493430

Family Applications (1)

Application Number Title Priority Date Filing Date
ES200001154A Expired - Lifetime ES2161644B1 (es) 2000-04-29 2000-04-29 Protocolo anti-colision con comunicacion unidireccional.

Country Status (1)

Country Link
ES (1) ES2161644B1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003060848A1 (es) * 2002-01-21 2003-07-24 Enrique Lecuona Saiz Pequeñísimo equipo o sistema electrónico miniatura, portátil y de bolsillo para prevenir el olvido, extravío o perdida de objetos, personas y mascotas

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0702324A2 (en) * 1994-09-12 1996-03-20 International Business Machines Corporation Multiple item radio frequency tag identification protocol
US5539394A (en) * 1994-03-16 1996-07-23 International Business Machines Corporation Time division multiplexed batch mode item identification system
US5591951A (en) * 1995-10-12 1997-01-07 The Regents Of The University Of California System and method for simultaneously collecting serial number information from numerous identity tags
WO1998035327A1 (en) * 1997-02-07 1998-08-13 Checkpoint Systems, Inc. Anticollision protocol for reading multiple rfid tags
WO1999067735A1 (en) * 1998-06-22 1999-12-29 Haneda Humepipe Co., Limited Anti-collision tag apparatus and system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5539394A (en) * 1994-03-16 1996-07-23 International Business Machines Corporation Time division multiplexed batch mode item identification system
EP0702324A2 (en) * 1994-09-12 1996-03-20 International Business Machines Corporation Multiple item radio frequency tag identification protocol
US5591951A (en) * 1995-10-12 1997-01-07 The Regents Of The University Of California System and method for simultaneously collecting serial number information from numerous identity tags
WO1998035327A1 (en) * 1997-02-07 1998-08-13 Checkpoint Systems, Inc. Anticollision protocol for reading multiple rfid tags
WO1999067735A1 (en) * 1998-06-22 1999-12-29 Haneda Humepipe Co., Limited Anti-collision tag apparatus and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003060848A1 (es) * 2002-01-21 2003-07-24 Enrique Lecuona Saiz Pequeñísimo equipo o sistema electrónico miniatura, portátil y de bolsillo para prevenir el olvido, extravío o perdida de objetos, personas y mascotas

Also Published As

Publication number Publication date
ES2161644B1 (es) 2003-04-16

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