ES182020A1 - Mejoras en repetidores de impulsos para telefonía automática - Google Patents

Mejoras en repetidores de impulsos para telefonía automática

Info

Publication number
ES182020A1
ES182020A1 ES182020A ES182020A ES182020A1 ES 182020 A1 ES182020 A1 ES 182020A1 ES 182020 A ES182020 A ES 182020A ES 182020 A ES182020 A ES 182020A ES 182020 A1 ES182020 A1 ES 182020A1
Authority
ES
Spain
Prior art keywords
repeaters
impeller
automatic telephony
telephony
automatic
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
Application number
ES182020A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica 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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES182020A1 publication Critical patent/ES182020A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
    • H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
ES182020A 1945-12-28 1948-02-03 Mejoras en repetidores de impulsos para telefonía automática Expired ES182020A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US637661A US2490810A (en) 1945-12-28 1945-12-28 Fault signaling impulse repeater

Publications (1)

Publication Number Publication Date
ES182020A1 true ES182020A1 (es) 1948-03-01

Family

ID=24556876

Family Applications (1)

Application Number Title Priority Date Filing Date
ES182020A Expired ES182020A1 (es) 1945-12-28 1948-02-03 Mejoras en repetidores de impulsos para telefonía automática

Country Status (2)

Country Link
US (1) US2490810A (es)
ES (1) ES182020A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672521A (en) * 1950-10-17 1954-03-16 Bell Telephone Labor Inc Channel testing circuit
US3168622A (en) * 1959-03-16 1965-02-02 Gen Electric Dial pulse repeater
US20090075235A1 (en) * 2006-10-27 2009-03-19 Letcher William F Fixed, Implant-Supported, Full Arch Dental Prosthetics and Methods of Seating Thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1935910A (en) * 1931-11-30 1933-11-21 Associated Electric Lab Inc Telephone system
US1944704A (en) * 1932-02-15 1934-01-23 Associated Electric Lab Inc Impulse repeater
GB534866A (en) * 1939-10-16 1941-03-20 Siemens Brothers & Co Ltd Improvements relating to telephone and like signalling systems

Also Published As

Publication number Publication date
US2490810A (en) 1949-12-13

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