ES8707060A1 - Sistema de comunicacion telefonica de linea unica - Google Patents
Sistema de comunicacion telefonica de linea unicaInfo
- Publication number
- ES8707060A1 ES8707060A1 ES554358A ES554358A ES8707060A1 ES 8707060 A1 ES8707060 A1 ES 8707060A1 ES 554358 A ES554358 A ES 554358A ES 554358 A ES554358 A ES 554358A ES 8707060 A1 ES8707060 A1 ES 8707060A1
- Authority
- ES
- Spain
- Prior art keywords
- communication system
- single pair
- wires
- telephone communication
- single line
- 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
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
- H04M1/715—Substation extension arrangements using two or more extensions per line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Abstract
SISTEMA DE COMUNICACION TELEFONICA DE LINEA UNICA. SE COMPONE DE: UN MODULO DE INTERCONEXION DE LINEA (12), INSERTADO EN SERIE ENTRE UN UNICO PAR DE HILOS TELEFONICOS CONECTADOS EXTERNAMENTE (14) Y UN PAR DE HILOS TELEFONICOS EN CASA (16); UNA PLURALIDAD DE MODULOS ADAPTADORES DE ESTACION (18), ESTANDO CONECTADO CADA MODULO ADAPTADOR ENTRE EL PAR UNICO DE CASA (16) Y UN APARATO TELEFONICO DE ABONADO (20); UN MEDIO (24) PARA LA CONEXION A UNA TOMA DE CORRIENTE ELECTRICA RESIDENCIAL CONVENCIONAL; Y CONECTADORES ENCHUFABLES (22) QUE SE SUMINISTRA CON EL MODULO DE INTERCONEXION DE LINEA (12) Y LOS MODULOS ADAPTADORES (18), PARA LA CONEXION AL CABLEADO EXISTENTE (14, 16) Y EL APARATO TELEFONICO DE ABONADO (20).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72673385A | 1985-04-25 | 1985-04-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8707060A1 true ES8707060A1 (es) | 1987-07-16 |
ES554358A0 ES554358A0 (es) | 1987-07-16 |
Family
ID=24919783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES554358A Expired ES8707060A1 (es) | 1985-04-25 | 1986-04-25 | Sistema de comunicacion telefonica de linea unica |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0221090A1 (es) |
JP (1) | JPS62502579A (es) |
KR (1) | KR880700581A (es) |
AU (1) | AU588305B2 (es) |
CA (1) | CA1244978A (es) |
ES (1) | ES8707060A1 (es) |
MX (1) | MX161903A (es) |
WO (1) | WO1986006570A1 (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4893334A (en) * | 1987-08-28 | 1990-01-09 | Power Play | Intercommunication system for telephones |
GB2213351B (en) * | 1987-12-04 | 1992-06-17 | Roy Musselbrook | Telephone, extention-to-intercom module |
IT1226312B (it) * | 1988-07-26 | 1990-12-27 | Italtel Telematica | Sistema di telefoni intercomunicanti su linea bifilare. |
IT1236823B (it) * | 1989-11-23 | 1993-04-02 | Alcatel Dial Face Spa | Dispositivo per la trasmissione su un'unica coppia di conduttori del segnale fonico, della segnalazione e dell'alimentazione in apparecchiature intercomunicanti. |
NL9400239A (nl) * | 1994-02-17 | 1995-10-02 | Grid Telecom Systems Bv | Huistelefoonsysteem. |
GB9407696D0 (en) * | 1994-04-19 | 1994-06-15 | Marikon Resources Inc | A telephone exchange system |
US5920615A (en) * | 1995-10-19 | 1999-07-06 | British Telecommunications Public Limited Company | Telecommunications switch |
FI962312A (fi) * | 1996-05-31 | 1997-12-01 | Teleste Viestintae Oy | Puhelinjärjestelmä |
US5978469A (en) * | 1997-01-21 | 1999-11-02 | U S West, Inc. | Apparatus for telephone extension control |
MXPA02004221A (es) | 1999-10-26 | 2003-08-20 | Fractus Sa | Agrupaciones multibanda de antenas entrelazadas. |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4092501A (en) * | 1973-12-05 | 1978-05-30 | Iwasaki Tsushinki Kabushiki Kaisha | Key telephone system |
JPS519306A (ja) * | 1974-07-11 | 1976-01-26 | Fujitsu Ltd | Nikyodokanyushashuyohoshiki |
US4000376A (en) * | 1975-03-31 | 1976-12-28 | Viking Electronics, Inc. | Telephone privacy device |
JPS5341111A (en) * | 1976-09-28 | 1978-04-14 | Toshiba Corp | Dial signal sending device |
PT68279A (en) * | 1977-08-15 | 1978-08-01 | Goodyear Tire & Rubber | Pneumatic tire and pneumatic tire mounted on a rim |
JPS56112194A (en) * | 1980-02-12 | 1981-09-04 | Nec Corp | Omnibus circuit device |
CA1166777A (en) * | 1981-03-23 | 1984-05-01 | Gordon D. Benning | Home telephone exchange |
CA1169597A (en) * | 1981-09-11 | 1984-06-19 | Gordon D. Benning | Home communications and control system |
-
1986
- 1986-02-25 CA CA000502609A patent/CA1244978A/en not_active Expired
- 1986-03-06 KR KR860700931A patent/KR880700581A/ko not_active Application Discontinuation
- 1986-03-06 WO PCT/US1986/000477 patent/WO1986006570A1/en not_active Application Discontinuation
- 1986-03-06 EP EP86902134A patent/EP0221090A1/en not_active Ceased
- 1986-03-06 JP JP61501722A patent/JPS62502579A/ja active Pending
- 1986-04-16 AU AU56147/86A patent/AU588305B2/en not_active Ceased
- 1986-04-25 MX MX2317A patent/MX161903A/es unknown
- 1986-04-25 ES ES554358A patent/ES8707060A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1244978A (en) | 1988-11-15 |
AU588305B2 (en) | 1989-09-14 |
MX161903A (es) | 1991-03-01 |
KR880700581A (ko) | 1988-03-15 |
WO1986006570A1 (en) | 1986-11-06 |
AU5614786A (en) | 1986-10-30 |
EP0221090A1 (en) | 1987-05-13 |
JPS62502579A (ja) | 1987-10-01 |
ES554358A0 (es) | 1987-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2002410A6 (es) | Un aparato unible a un envase que tiene una superficie extrema relativamente deformable y un saliente hacia dentro de esta superficie extrema | |
EP0238255A3 (en) | The personal computer - as an interface between a telephone station set and a business communication system | |
ZA927681B (en) | A cordless local area network. | |
ES8801486A1 (es) | Un aparato para realizar las conversiones de protocolos de comunicacion. | |
CA1267961C (en) | MULTIPLE ACCESS RADIO TELEPHONE SYSTEM CAPABLE OF OPERATING SELECTIVELY IN DUPLEX AND HALF-DUPLEX MODES | |
GB2331435A (en) | Casdade connection of communicating devices | |
AU6122686A (en) | Telephone line interface circuitry for telecommunications equipment | |
AU577491B2 (en) | Call transfer system | |
ES8402999A1 (es) | "una red de distribucion para senales de television" | |
EP0254878A3 (en) | Packet data communication system with ring type transmission line | |
CA2162111A1 (en) | Telemetry Arrangement | |
ES8707060A1 (es) | Sistema de comunicacion telefonica de linea unica | |
UA32528C2 (uk) | Стільникова мобільна телефонна система | |
ES8507700A1 (es) | Un sistema deflector opto-acustico | |
GB2198314B (en) | Message transferring telephone sets | |
ES8704061A1 (es) | Un sistema telefonico con intercomunicacion | |
AU6775287A (en) | Telephone line interface option module | |
GB1514329A (en) | Tdm telecommunications systems | |
MY110037A (en) | A two-handset cordless telephone system | |
EP0255169A3 (en) | Telecommunication exchange equipment incorporating multiparty lines using integrated service digital network techniques | |
MX9601297A (es) | Arquitectura de un sistema de comunicaciones avanzado. | |
MY109590A (en) | Communications system with extended channels | |
AU563484B2 (en) | Extension call back in key telephone system | |
JPS5698955A (en) | Constituting method of meeting line for multi-direction multiplex communication | |
JPS6412630A (en) | Radio communication system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |
Effective date: 19960506 |