BR9900537A - Subscriber telephone loop protection equipment - Google Patents

Subscriber telephone loop protection equipment

Info

Publication number
BR9900537A
BR9900537A BR9900537-9A BR9900537A BR9900537A BR 9900537 A BR9900537 A BR 9900537A BR 9900537 A BR9900537 A BR 9900537A BR 9900537 A BR9900537 A BR 9900537A
Authority
BR
Brazil
Prior art keywords
subscriber
protection equipment
line
loop protection
telephone loop
Prior art date
Application number
BR9900537-9A
Other languages
Portuguese (pt)
Inventor
Francisco Javier Hernan Romero
Luis De La Torre Vega
Original Assignee
Telefonica Sa
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 Telefonica Sa filed Critical Telefonica Sa
Publication of BR9900537A publication Critical patent/BR9900537A/en

Links

Landscapes

  • Interface Circuits In Exchanges (AREA)
  • Prepayment Telephone Systems (AREA)
  • Meter Arrangements (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Patente de Invenção: <B>"EQUIPAMENTO DE PROTEçãO DO LACETE TELEFôNICO DE ASSINANTE"<D>. Equipamento de proteção do lacete telefônico de assinante, destinado a evitar a realização de chamadas fraudulentas por parte de terceiros, no qual intervém um elemento (1) de assinante e um elemento (6) leitor, dos quais o primeiro incorpora um módulo (3) de alimentação a partir da própria linha, outro (5) de supervisão da linha para detectar o levantamento exterior à instalação do assinante e o corte da linha, para o que dispõe de blocos (16) detector da queda da linha, (15) detector do levantamento externo, e um bloco (4) de controle e de armazenamento de dados de chamadas fraudulentas, formado por um bloco (14) comutador e por um bloco (17) de controle, e susceptível de determinar o curto-circuito da rede com a injeção de um sinal de freqüência predeterminada; o dispositivo (6) leitor extrai dos dados do controle (17) e dispõe de meios (23) para o seu processamento e meios (24) de apresentação visual dos mesmos.Invention Patent: <B> "SUBSCRIBER'S TELEPHONE TIE PROTECTION EQUIPMENT" <D>. Subscriber telephone loop protection equipment, designed to prevent fraudulent calls from being made by third parties, in which a subscriber element (1) and a reader element (6) intervene, of which the first incorporates a module (3) supply from the line itself, another (5) line supervision to detect the lifting outside the subscriber's installation and the line cut, for which it has blocks (16) line drop detector, (15) detector of the external survey, and a control block (4) and data storage for fraudulent calls, formed by a switch block (14) and a control block (17), capable of determining the short circuit of the network with the injection of a predetermined frequency signal; the reader device (6) extracts the data from the control (17) and has means (23) for its processing and means (24) for visual presentation thereof.

BR9900537-9A 1998-02-04 1999-02-04 Subscriber telephone loop protection equipment BR9900537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9800208A ES2136578B1 (en) 1998-02-04 1998-02-04 PROTECTION EQUIPMENT OF THE TELEPHONE LOOP OF SUBSCRIBER.

Publications (1)

Publication Number Publication Date
BR9900537A true BR9900537A (en) 2001-03-20

Family

ID=8302626

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9900537-9A BR9900537A (en) 1998-02-04 1999-02-04 Subscriber telephone loop protection equipment

Country Status (6)

Country Link
AR (1) AR014537A1 (en)
BR (1) BR9900537A (en)
ES (1) ES2136578B1 (en)
MA (1) MA24755A1 (en)
PE (1) PE20000363A1 (en)
PT (1) PT102250B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969178A (en) * 1989-10-26 1990-11-06 Telecommunication Laboratories, Directorate General of Telecommunications , Ministry of Communications Multipurpose subscriber local line monitoring device
FR2674397A1 (en) * 1991-03-20 1992-09-25 Regnier Marc Device for monitoring a subscriber line allowing detection and recording of electrical signals related to an illicit tapping
FR2691599B1 (en) * 1992-05-22 2001-08-10 France Telecom Device for controlling access to a telephone line.
GB9226779D0 (en) * 1992-12-23 1993-02-17 Plessey Telecomm Customer identity validation
JPH0795284A (en) * 1993-09-20 1995-04-07 Fujitsu Ltd Communications terminal provided with function for detecting and preventing lie branching
US5559874A (en) * 1995-03-13 1996-09-24 Panosh; Richard Telephone service protection device
FR2765061B1 (en) * 1997-06-23 1999-10-08 Jean Noel Bruere ELECTRONIC DEVICE FOR DETECTING FRAUDULENT USES OF A TELEPHONE LINE AND FOR DETERRENCE AGAINST SUCH USES

Also Published As

Publication number Publication date
AR014537A1 (en) 2001-02-28
PT102250B (en) 2000-08-31
PE20000363A1 (en) 2000-04-10
ES2136578A1 (en) 1999-11-16
PT102250A (en) 1999-08-31
MA24755A1 (en) 1999-10-01
ES2136578B1 (en) 2000-08-01

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 5A, 6A, 7A E 8A ANUDIDADES

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1909 DE 07/08/2007.