ES2017413A6 - Mejoras introducidas en la patente de invencion 8701420 por: "circuito de control telefonico para larga distancia". - Google Patents

Mejoras introducidas en la patente de invencion 8701420 por: "circuito de control telefonico para larga distancia".

Info

Publication number
ES2017413A6
ES2017413A6 ES8903755A ES8903755A ES2017413A6 ES 2017413 A6 ES2017413 A6 ES 2017413A6 ES 8903755 A ES8903755 A ES 8903755A ES 8903755 A ES8903755 A ES 8903755A ES 2017413 A6 ES2017413 A6 ES 2017413A6
Authority
ES
Spain
Prior art keywords
control circuit
long distance
telephone control
telephone
digits
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.)
Expired - Lifetime
Application number
ES8903755A
Other languages
English (en)
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.)
VERDERA JAUME BARTOLOME
Original Assignee
VERDERA JAUME BARTOLOME
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 VERDERA JAUME BARTOLOME filed Critical VERDERA JAUME BARTOLOME
Priority to ES8903755A priority Critical patent/ES2017413A6/es
Publication of ES2017413A6 publication Critical patent/ES2017413A6/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Telephone Function (AREA)

Abstract

MEJORAS INTRODUCIDAS EN LA PATENTE DE INVENCION 8701420 POR CIRCUITO DE CONTROL TELEFONICO PARA LARGA DISTANCIA. EL CIRCUITO DE CONTRO TELEFONICO PARA LARGA DISTANCIA ES DE APLICACION A LAS COMUNICACIONES TELEFONICAS, PERMITIENDO LIMITAR POR EL TITULAR DEL TELEFONO EL NUMERO DE CIFRAS CON QUE SE PUEDE EFECTUAR UNA LLAMADA, Y EN CONSECUENCIA, IMPOSIBILITANDO LLAMADAS INCONTROLADAS A LARGA DISTANCIA, Y LAS MEJORAS CONSISTEN EN LA INTRODUCCION, EN DICHO CIRCUITO, DE UN INTERRUPTOR MULTIPLE QUE PERMITE VARIAR DE FORMA RAPIDA Y SENCILLA EL NUMERO LIMITE DE CIFRAS QUE PUEDEN SER UTILIZADAS EN CADA MOMENTO CON EL TELEFONO EN CUESTION.
ES8903755A 1989-11-06 1989-11-06 Mejoras introducidas en la patente de invencion 8701420 por: "circuito de control telefonico para larga distancia". Expired - Lifetime ES2017413A6 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES8903755A ES2017413A6 (es) 1989-11-06 1989-11-06 Mejoras introducidas en la patente de invencion 8701420 por: "circuito de control telefonico para larga distancia".

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8903755A ES2017413A6 (es) 1989-11-06 1989-11-06 Mejoras introducidas en la patente de invencion 8701420 por: "circuito de control telefonico para larga distancia".

Publications (1)

Publication Number Publication Date
ES2017413A6 true ES2017413A6 (es) 1991-02-01

Family

ID=8264704

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8903755A Expired - Lifetime ES2017413A6 (es) 1989-11-06 1989-11-06 Mejoras introducidas en la patente de invencion 8701420 por: "circuito de control telefonico para larga distancia".

Country Status (1)

Country Link
ES (1) ES2017413A6 (es)

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Legal Events

Date Code Title Description
FA2A Application withdrawn

Effective date: 19920121