ES8402484A1 - Perfeccionamientos en dispositivos de toma de linea sin descolgar para puestos telefonicos que comprenden un microprocesador. - Google Patents
Perfeccionamientos en dispositivos de toma de linea sin descolgar para puestos telefonicos que comprenden un microprocesador.Info
- Publication number
- ES8402484A1 ES8402484A1 ES521329A ES521329A ES8402484A1 ES 8402484 A1 ES8402484 A1 ES 8402484A1 ES 521329 A ES521329 A ES 521329A ES 521329 A ES521329 A ES 521329A ES 8402484 A1 ES8402484 A1 ES 8402484A1
- Authority
- ES
- Spain
- Prior art keywords
- line
- contacts
- bridge
- looping
- parallel
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/06—Hooks; Cradles
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Abstract
DISPOSITIVO DE TOMA DE LINEA POR CIERRE DE CIRCUITO SIN DESCOLGADURA DEL COMBINADO DEL SOPORTE CONMUTADOR, PARA PUESTOS TELEFONICOS QUE COMPRENDEN UN MICROPROCESADOR. CONSTA DE UN PUENTE DE DIODOS (11) CONECTADO A LOS HILOS DE LINEA A TRAVES DE SUS BORNES (A, B), EL CUAL COMPRENDE TRES RAMAS DE ALIMENTACION Y UNA UNICA RAMA DE RETORNO; DE UN CIRCUITO DE REGULACION DE ALIMENTACION (122) QUE SE CONECTA AL BORNE POSITIVO (G) ASI COMO AL BORNE NEGATIVO (C) DEL PUENTE DE DIODOS (11) A TRAVES DE UN TRANSISTOR INTERRUPTOR DE TOMA (15); DE UN CIRCUITO DE CONTROL DE LA TENSION DE LINEA (123) QUE CONTROLA EL CIRCUITO DE REGULACION DE ALIMENTACION (122); Y DE UN CIRCUITO DE ARRANQUE (124) QUE ASEGURA LA PUESTA EN FUNCIONAMIENTO DEL MICROPROCESADOR (5) A PARTIR DEL MOMENTO EN QUE LA TENSION DE ALIMENTACION ES LA ADECUADA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8206243A FR2525056A1 (fr) | 1982-04-09 | 1982-04-09 | Dispositif de prise de ligne sans decrochage pour poste telephonique comportant un microprocesseur |
Publications (2)
Publication Number | Publication Date |
---|---|
ES521329A0 ES521329A0 (es) | 1984-01-16 |
ES8402484A1 true ES8402484A1 (es) | 1984-01-16 |
Family
ID=9272939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES521329A Expired ES8402484A1 (es) | 1982-04-09 | 1983-04-08 | Perfeccionamientos en dispositivos de toma de linea sin descolgar para puestos telefonicos que comprenden un microprocesador. |
Country Status (15)
Country | Link |
---|---|
US (1) | US4506112A (es) |
EP (1) | EP0091630B1 (es) |
JP (1) | JPS58187061A (es) |
AU (1) | AU560553B2 (es) |
BR (1) | BR8301818A (es) |
DE (1) | DE3364640D1 (es) |
DK (1) | DK159747C (es) |
ES (1) | ES8402484A1 (es) |
FI (1) | FI77552C (es) |
FR (1) | FR2525056A1 (es) |
IE (1) | IE55007B1 (es) |
IL (1) | IL68359A (es) |
MX (1) | MX154383A (es) |
PT (1) | PT76524B (es) |
ZA (1) | ZA832469B (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2548494B1 (fr) * | 1983-06-30 | 1985-10-31 | Horlogerie Photograph Fse | Ensemble poste telephonique-terminal d'ordinateur a clavier decimal unique et alimentation locale commutable |
JPS6132646A (ja) * | 1984-07-25 | 1986-02-15 | Matsushita Electric Ind Co Ltd | ガス計量装置 |
US4644103A (en) * | 1985-06-04 | 1987-02-17 | Base Ten Systems, Inc. | Tone-responsive circuit for activating an instrumentality interfacing system |
DE3609706C1 (de) * | 1986-03-21 | 1987-11-05 | Siemens Ag | Verfahren zur elektronischen Nachbildung des Gabelumschalters und der Freisprech-Lauthoertaste in einer Freisprech-Lauthoerfernsprechstation |
US4689814A (en) * | 1986-05-29 | 1987-08-25 | Warner Ii Charles L | External device interface for an electronic telephone |
GB2193414B (en) * | 1986-07-14 | 1990-01-04 | Siliconix Ltd | Telephone instrument |
DE3725329A1 (de) * | 1987-07-30 | 1989-02-09 | Siemens Ag | Schaltungsanordnung fuer eine digitale fernsprechstation |
JPH01235447A (ja) * | 1988-03-16 | 1989-09-20 | Toshiba Corp | 有線端末装置 |
FR2650138B1 (fr) * | 1989-07-18 | 1991-09-20 | Alcatel Business Systems | Poste telephonique a prise de ligne sans decrochage |
US6343126B1 (en) | 1996-03-27 | 2002-01-29 | Hello Direct, Inc. | Method and apparatus for interfacing analog telephone apparatus to a digital, analog or hybrid telephone switching system |
US5912964A (en) * | 1996-03-27 | 1999-06-15 | Hello Direct, Inc. | Adaptive telephone handset interface |
US5892823A (en) | 1996-03-27 | 1999-04-06 | Hello Direct, Inc. | Smart interface technology |
US7031454B1 (en) | 1997-11-06 | 2006-04-18 | Hello Direct, Inc. | Method and apparatus for interfacing telephone apparatus to a digital, analog or hybrid telephone switching system |
US6351533B1 (en) | 1998-01-26 | 2002-02-26 | Xircom, Inc. | System and method for protecting devices connected to a telephone line |
US20170214238A1 (en) * | 2015-11-25 | 2017-07-27 | Oceaneering International, Inc. | Programmable Fuse With Under-voltage/short-circuit Protection |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5645243Y2 (es) * | 1971-02-27 | 1981-10-22 | ||
US4277651A (en) * | 1978-09-13 | 1981-07-07 | Basic Incorporated | Telephone dialer |
US4220820A (en) * | 1978-10-02 | 1980-09-02 | Motorola, Inc. | Control circuitry for a radio telephone |
FR2487611B1 (fr) * | 1980-07-22 | 1987-10-30 | Telephonie Ind Commerciale | Circuit d'interface de clavier a frequences vocales |
US4378470A (en) * | 1981-03-25 | 1983-03-29 | Northern Telecom Limited | Interface circuits for connection to non-dedicated telephone lines |
US4415774A (en) * | 1981-11-25 | 1983-11-15 | Universal Data Systems, Inc. | Line powered modem automatic answer device powered from equipment |
-
1982
- 1982-04-09 FR FR8206243A patent/FR2525056A1/fr active Granted
-
1983
- 1983-04-05 DK DK151483A patent/DK159747C/da not_active IP Right Cessation
- 1983-04-05 DE DE8383103274T patent/DE3364640D1/de not_active Expired
- 1983-04-05 EP EP83103274A patent/EP0091630B1/fr not_active Expired
- 1983-04-06 FI FI831156A patent/FI77552C/fi not_active IP Right Cessation
- 1983-04-08 AU AU13276/83A patent/AU560553B2/en not_active Ceased
- 1983-04-08 JP JP58062895A patent/JPS58187061A/ja active Pending
- 1983-04-08 ZA ZA832469A patent/ZA832469B/xx unknown
- 1983-04-08 BR BR8301818A patent/BR8301818A/pt not_active IP Right Cessation
- 1983-04-08 MX MX196880A patent/MX154383A/es unknown
- 1983-04-08 IE IE808/83A patent/IE55007B1/en not_active IP Right Cessation
- 1983-04-08 US US06/483,307 patent/US4506112A/en not_active Expired - Fee Related
- 1983-04-08 ES ES521329A patent/ES8402484A1/es not_active Expired
- 1983-04-08 PT PT76524A patent/PT76524B/pt unknown
- 1983-04-12 IL IL68359A patent/IL68359A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FI831156L (fi) | 1983-10-10 |
PT76524B (fr) | 1986-02-13 |
ES521329A0 (es) | 1984-01-16 |
FR2525056A1 (fr) | 1983-10-14 |
DK159747C (da) | 1991-04-29 |
PT76524A (fr) | 1983-05-01 |
FI77552C (fi) | 1989-03-10 |
DK151483A (da) | 1983-10-10 |
DE3364640D1 (en) | 1986-08-28 |
BR8301818A (pt) | 1983-12-20 |
EP0091630A1 (fr) | 1983-10-19 |
DK151483D0 (da) | 1983-04-05 |
US4506112A (en) | 1985-03-19 |
EP0091630B1 (fr) | 1986-07-23 |
IE830808L (en) | 1983-10-09 |
FI77552B (fi) | 1988-11-30 |
AU560553B2 (en) | 1987-04-09 |
FI831156A0 (fi) | 1983-04-06 |
IL68359A0 (en) | 1983-07-31 |
MX154383A (es) | 1987-08-04 |
IE55007B1 (en) | 1990-04-25 |
AU1327683A (en) | 1983-10-13 |
JPS58187061A (ja) | 1983-11-01 |
IL68359A (en) | 1986-08-31 |
FR2525056B1 (es) | 1984-05-11 |
DK159747B (da) | 1990-11-26 |
ZA832469B (en) | 1983-12-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20010402 |