ES2038931A2 - Sistema radiomovil isofrecuencial de extraccion/insercion y estacion de radio correspondiente. - Google Patents

Sistema radiomovil isofrecuencial de extraccion/insercion y estacion de radio correspondiente.

Info

Publication number
ES2038931A2
ES2038931A2 ES929201531A ES9201531A ES2038931A2 ES 2038931 A2 ES2038931 A2 ES 2038931A2 ES 929201531 A ES929201531 A ES 929201531A ES 9201531 A ES9201531 A ES 9201531A ES 2038931 A2 ES2038931 A2 ES 2038931A2
Authority
ES
Spain
Prior art keywords
isofrecuencial
extraction
translation
machine
legally binding
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
ES929201531A
Other languages
English (en)
Other versions
ES2038931R (es
ES2038931B1 (es
Inventor
Decio Ongaro
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.)
Italtel SpA
Original Assignee
Italtel SpA
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 Italtel SpA filed Critical Italtel SpA
Publication of ES2038931A2 publication Critical patent/ES2038931A2/es
Publication of ES2038931R publication Critical patent/ES2038931R/es
Application granted granted Critical
Publication of ES2038931B1 publication Critical patent/ES2038931B1/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Mobile Radio Communication Systems (AREA)

Abstract

SISTEMA RADIOMOVIL ISOFRECUENCIAL DE EXTRACCION/INSERCION Y ESTACION DE RADIO CORRESPONDIENTE, COMPRENDIENDO DICHO SISTEMA UNA PLURALIDAD DE ESTACIONES REPETIDORAS FIJAS DISTRIBUIDAS SOBRE UN AREA ASIGNADA Y CONECTADAS ENTRE SI, COMPRENDIENDO CADA ESTACION MEDIOS DE TRANSCEPTOR, DE MULTIPLEX Y ORGANOS DE MANDO, RECIBIENDO DICHAS ESTACIONES REPETIDORAS LAS SEÑALES DE RADIOFRECUENCIA QUE PROVIENEN DE UNA PLURALIDAD DE USUARIOS, MOVILES DENTRO DE DICHA AREA ASIGNADA, PARA REDIFUNDIRLAS DE MODO SIMULTANEO E ISOFRECUENCIAL. LA CONEXION ENTRE LAS ESTACIONES SE REALIZA MEDIANTE UNA DORSAL DE CONEXION CERRADA EN ANILLO, Y EN PARTICULAR MEDIANTE UN SISTEMA DEL TIPO INSERCION/EXTRACCION DIGITAL A 2 MBIT/S.
ES9201531A 1991-07-26 1992-07-22 Sistema radiomovil isofrecuencial de extraccion/insercion y estacion de radio correspondiente. Expired - Lifetime ES2038931B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI912077A IT1251119B (it) 1991-07-26 1991-07-26 Rete radiomobile isofrequenziale con dorsale di collegamento realizzata mediante un sistema di drop/insert.

Publications (3)

Publication Number Publication Date
ES2038931A2 true ES2038931A2 (es) 1993-08-01
ES2038931R ES2038931R (es) 1996-08-16
ES2038931B1 ES2038931B1 (es) 1997-01-01

Family

ID=11360435

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9201531A Expired - Lifetime ES2038931B1 (es) 1991-07-26 1992-07-22 Sistema radiomovil isofrecuencial de extraccion/insercion y estacion de radio correspondiente.

Country Status (2)

Country Link
ES (1) ES2038931B1 (es)
IT (1) IT1251119B (es)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472898A1 (fr) * 1979-12-27 1981-07-03 Jeumont Schneider Reseau de transmission en boucle double
US4479245A (en) * 1982-12-21 1984-10-23 Motorola, Inc. Same frequency repeater for a multiple repeater system
US4530085A (en) * 1982-04-07 1985-07-16 Hitachi, Ltd. Reconfiguration control method for a loop-type data network
US4542496A (en) * 1982-08-30 1985-09-17 Fujitsu Limited Loop transmission system and method of controlling the loop-back condition thereof
GB2176079A (en) * 1985-05-23 1986-12-10 David James Reginald Martin Direction-adaptive repeaters for guided radio systems
ES8707048A1 (es) * 1986-03-06 1987-07-01 Keytron Electronica S A Perfeccionamientos en repetidores en isofrecuencia.
US4686671A (en) * 1984-03-24 1987-08-11 Standard Elektrik Lorenz Ag Cellular communication system operable with transmission pathfault

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472898A1 (fr) * 1979-12-27 1981-07-03 Jeumont Schneider Reseau de transmission en boucle double
US4530085A (en) * 1982-04-07 1985-07-16 Hitachi, Ltd. Reconfiguration control method for a loop-type data network
US4542496A (en) * 1982-08-30 1985-09-17 Fujitsu Limited Loop transmission system and method of controlling the loop-back condition thereof
US4479245A (en) * 1982-12-21 1984-10-23 Motorola, Inc. Same frequency repeater for a multiple repeater system
US4686671A (en) * 1984-03-24 1987-08-11 Standard Elektrik Lorenz Ag Cellular communication system operable with transmission pathfault
GB2176079A (en) * 1985-05-23 1986-12-10 David James Reginald Martin Direction-adaptive repeaters for guided radio systems
ES8707048A1 (es) * 1986-03-06 1987-07-01 Keytron Electronica S A Perfeccionamientos en repetidores en isofrecuencia.

Also Published As

Publication number Publication date
ES2038931R (es) 1996-08-16
ITMI912077A0 (it) 1991-07-26
IT1251119B (it) 1995-05-04
ITMI912077A1 (it) 1993-01-27
ES2038931B1 (es) 1997-01-01

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