CU34755A - Conexión para aparatos telefónicos en líneas de abonados con servicio simple o doble - Google Patents

Conexión para aparatos telefónicos en líneas de abonados con servicio simple o doble

Info

Publication number
CU34755A
CU34755A CU34755A CU34755A CU34755A CU 34755 A CU34755 A CU 34755A CU 34755 A CU34755 A CU 34755A CU 34755 A CU34755 A CU 34755A CU 34755 A CU34755 A CU 34755A
Authority
CU
Cuba
Prior art keywords
connection
conductor
double
subscriber lines
transistor
Prior art date
Application number
CU34755A
Other languages
English (en)
Spanish (es)
Other versions
CU20982L (es
Inventor
Claus-Peter Kaufmann
Helmut Glier
Original Assignee
Nordhausen Veb Fernmeldewerk
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 Nordhausen Veb Fernmeldewerk filed Critical Nordhausen Veb Fernmeldewerk
Publication of CU20982L publication Critical patent/CU20982L/es
Publication of CU34755A publication Critical patent/CU34755A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/58—Anti-side-tone circuits
    • H04M1/585—Anti-side-tone circuits implemented without inductive element
    • 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)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Devices For Supply Of Signal Current (AREA)
CU34755A 1976-09-23 1977-08-23 Conexión para aparatos telefónicos en líneas de abonados con servicio simple o doble CU34755A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19495576A DD127119B1 (me) 1976-09-23 1976-09-23

Publications (2)

Publication Number Publication Date
CU20982L CU20982L (es) 1981-04-20
CU34755A true CU34755A (es) 1983-10-04

Family

ID=5505821

Family Applications (1)

Application Number Title Priority Date Filing Date
CU34755A CU34755A (es) 1976-09-23 1977-08-23 Conexión para aparatos telefónicos en líneas de abonados con servicio simple o doble

Country Status (7)

Country Link
CS (1) CS225657B1 (me)
CU (1) CU34755A (me)
DD (1) DD127119B1 (me)
DE (1) DE2732532C2 (me)
HU (1) HU176960B (me)
RO (1) RO80538B1 (me)
YU (1) YU39255B (me)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2159150C3 (de) * 1971-11-29 1978-07-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung für zentralgespeiste Teilnehmerstationen mit eine Widerstandsbrücke enthaltenden Sprechschaltungen

Also Published As

Publication number Publication date
CU20982L (es) 1981-04-20
RO80538A2 (ro) 1984-03-15
DE2732532A1 (de) 1978-03-30
RO80538B1 (ro) 1984-03-30
DE2732532C2 (de) 1986-04-17
HU176960B (hu) 1981-06-28
DD127119A1 (me) 1977-09-07
YU39255B (en) 1984-10-31
DD127119B1 (me) 1981-05-27
CS225657B1 (en) 1984-02-13
YU222377A (en) 1982-02-28

Similar Documents

Publication Publication Date Title
CU34755A (es) Conexión para aparatos telefónicos en líneas de abonados con servicio simple o doble
SE7500362L (sv) Elektronisk nummerpulsgivare for telefonapparat.
FR2374795A1 (fr) Equipement de ligne d'abonne pour central telephonique
ES460207A1 (es) Circuito referencia de tension insensible a la temperatura.
GB1386138A (en) Ring trip circuit
FR1455321A (fr) Coupe circuit électrique en particulier de puissances et hautes tensions comportantun dispositif de déclenchement et de signalisation
SU130580A1 (ru) Устройство дл определени одноименных жил кабел
SE339833B (me)
EP0260839A3 (en) Protection arrangements for communications lines
ES213134U (es) Interruptor de proteccion de corriente de defecto.
SE333778B (me)
FR1301744A (fr) Dispositif d'éclairage sans contacts
ES179507A1 (es) MEJORAS EN SISTEMAS TELEFoNICOS AUTOMáTICOS Y SIMILARES
JPS5441658A (en) Gate unit of bidirectional photo thyristor
KR920002954B1 (ko) 전화다이얼 감지회로
IT1275645B1 (it) Dispositivo indicatore di messaggio di attesa per una linea telefonica attestata ad un centralino privato
SU383150A1 (ru) Блокировочное реле утечки
FR1265255A (fr) Dispositif de signalisation à grande distance
ES261371A2 (es) Mejoras en o relativas a centrales de telecomunicaciën
ES195960A1 (es) UN DISPOSITIVO QUE ASEGURA LA OCUPACIoN DE UN APARATO EN UN SISTEMA DE SENALIZACIoN AUTOMáTICA
GB1472442A (en) Power supply circuits
FR1077M (fr) Compositions a base de tétracyclines.
ES183504A1 (es) UN PROTECTOR AUTOMáTICO DE APARATOS ELÉCTRICOS
ES80611Y (es) Un dispositivo luminoso de señalización selectiva
ES182449A1 (es) MEJORAS EN SISTEMAS TELEFoNICOS