ES179900A1 - MEJORAS EN SISTEMAS DE COMUNICACIoN MULTICANAL - Google Patents

MEJORAS EN SISTEMAS DE COMUNICACIoN MULTICANAL

Info

Publication number
ES179900A1
ES179900A1 ES0179900A ES179900A ES179900A1 ES 179900 A1 ES179900 A1 ES 179900A1 ES 0179900 A ES0179900 A ES 0179900A ES 179900 A ES179900 A ES 179900A ES 179900 A1 ES179900 A1 ES 179900A1
Authority
ES
Spain
Prior art keywords
impulses
series
pulses
communication systems
channels
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
ES0179900A
Other languages
English (en)
Spanish (es)
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
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 filed Critical Alcatel Espana SA
Publication of ES179900A1 publication Critical patent/ES179900A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/17—Ground-based stations employing pulse modulation, e.g. pulse code modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
ES0179900A 1944-04-07 1947-09-27 MEJORAS EN SISTEMAS DE COMUNICACIoN MULTICANAL Expired ES179900A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US529933A US2428118A (en) 1944-04-07 1944-04-07 Pulse multiplex system

Publications (1)

Publication Number Publication Date
ES179900A1 true ES179900A1 (es) 1947-11-01

Family

ID=24111797

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0179900A Expired ES179900A1 (es) 1944-04-07 1947-09-27 MEJORAS EN SISTEMAS DE COMUNICACIoN MULTICANAL

Country Status (5)

Country Link
US (1) US2428118A (enEXAMPLES)
BE (1) BE474198A (enEXAMPLES)
ES (1) ES179900A1 (enEXAMPLES)
FR (1) FR951330A (enEXAMPLES)
GB (1) GB602849A (enEXAMPLES)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB602033A (en) * 1945-07-14 1948-05-19 Arthur Valentine Lord Improvements in or relating to combined television and sound systems
US2543015A (en) * 1945-09-27 1951-02-27 Standard Telephones Cables Ltd Receiver circuit
US2477679A (en) * 1946-04-24 1949-08-02 Standard Telephones Cables Ltd Television and pulse modulated sound system
NL89154C (enEXAMPLES) * 1947-03-08
US2530957A (en) * 1947-04-05 1950-11-21 Bell Telephone Labor Inc Time division system for modulated pulse transmission
US2611826A (en) * 1947-06-05 1952-09-23 Kalfaian Meguer Simultaneous amplitude modulation and phase modulation with economy in bandwidth
US2521733A (en) * 1948-02-03 1950-09-12 Fed Telecomm Lab Inc Pulse code modulator
US2725191A (en) * 1948-12-27 1955-11-29 Ham James Milton Apparatus for general electronic integration
US2680152A (en) * 1949-01-14 1954-06-01 Philco Corp Pulse communication system
US2716217A (en) * 1950-07-29 1955-08-23 Raytheon Mfg Co Communication system
US2666806A (en) * 1951-12-08 1954-01-19 Meguer V Kalfaian Color television
US3014185A (en) * 1956-11-27 1961-12-19 Gen Dynamics Corp D. c. magnetic amplifier
DE1117643B (de) * 1958-08-06 1961-11-23 Siemens Ag Schaltungsanordnung zur multiplikativen Mischung zweier elektrischer Signale
US3160711A (en) * 1960-06-04 1964-12-08 Bell Telephone Labor Inc Nonsynchronous time-frequency multiplex transmission system
US3557302A (en) * 1967-10-18 1971-01-19 Bell & Howell Co One-channel signal conveying systems for luminance and chrominance video signals
DE2937073C2 (de) * 1979-09-13 1982-10-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur gleichzeitigen Übertragung mehrerer Datenströme über einen Kanal

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1655543A (en) * 1924-04-18 1928-01-10 Western Electric Co Transmission system
US1928093A (en) * 1927-04-11 1933-09-26 Harold B Coyle Signaling system
US2036350A (en) * 1932-04-16 1936-04-07 Montani Angelo System for multiple transmission and reception
US2048081A (en) * 1933-04-29 1936-07-21 Alger S Riggs Communication system
US2181309A (en) * 1935-04-09 1939-11-28 Telefunken Gmbh Electrical impulse segregation circuit
US2057773A (en) * 1935-12-04 1936-10-20 William G H Finch Electronic distributor
US2227108A (en) * 1936-02-20 1940-12-31 Telefunken Gmbh Signaling system
US2113214A (en) * 1936-10-29 1938-04-05 Rca Corp Method of frequency or phase modulation
US2311021A (en) * 1936-11-06 1943-02-16 Emi Ltd Multiplex receiving system
NL88393C (enEXAMPLES) * 1937-06-18
US2262838A (en) * 1937-11-19 1941-11-18 Int Standard Electric Corp Electric signaling system
US2185693A (en) * 1938-02-25 1940-01-02 Bell Telephone Labor Inc Multiplex signaling system
US2213941A (en) * 1938-07-26 1940-09-03 Bell Telephone Labor Inc Multiplex signaling by phase discrimination
GB523575A (en) * 1939-01-06 1940-07-17 Kolster Brandes Ltd Improvements in or relating to methods of generating pulses characteristic of sound and like waves
NL60289C (enEXAMPLES) * 1939-02-20
US2257795A (en) * 1939-05-27 1941-10-07 Bell Telephone Labor Inc Electron discharge apparatus and circuits
US2282046A (en) * 1939-09-01 1942-05-05 Rca Corp Multiplex signaling system
US2308639A (en) * 1939-10-06 1943-01-19 Int Standard Electric Corp Signaling and communication system
BE438942A (enEXAMPLES) * 1940-03-06
BE474584A (enEXAMPLES) * 1940-06-04
US2262406A (en) * 1940-11-26 1941-11-11 Radio Patents Corp Frequency modulation system

Also Published As

Publication number Publication date
GB602849A (en) 1948-06-03
BE474198A (enEXAMPLES) 1947-12-30
US2428118A (en) 1947-09-30
FR951330A (fr) 1949-10-21

Similar Documents

Publication Publication Date Title
ES179900A1 (es) MEJORAS EN SISTEMAS DE COMUNICACIoN MULTICANAL
AR117806A1 (es) Grupos de multiplexación por división de código (cdm) para transmisión de fuentes múltiples
ES178267A1 (es) Sistema de comunicacion
ES8406820A1 (es) Aparato de sincronizacion en un sistema de telecomunicacion del tipo multiplex de division de tiempo
ES309308A1 (es) Perfeccionamientos en o relativos a los circuitos electricos para uso en sistemas de senalizacion
ES181928A1 (es) SISTEMA DE COMUNICACIoN DE CANAL MuLTIPLE DE TIPO PULSATORIO
FR1147009A (fr) Système de transmission multiplex
FR862720A (fr) Systèmes de transmission, de signaux à onde porteuse
ES182162A1 (es) SISTEMAS DE TRANSMISIONES DE CANALES MuLTIPLES
ES178566A1 (es) Mecanismo de soporte, especialmente apropiado para ventiladores impulsados por turbinas de gas
CH264460A (de) Mehrkanal-Trägerstromübertragungsanlage.
GR11490B (el) Συστηματα σημανσεως δια πολλαπλων ηλεκτρικων ρευματωθησεων υψηλης συχνοτητος.
CA406270A (en) Telegraph bias transmitter
CA411831A (en) Telegraph divided multiplex channel system
FR887875A (fr) Système de transmission télégraphique inter-bandes
GB635509A (en) Improvements in or relating to multi-channel electric pulse communication systems
DK68719C (da) Kobling til Overføring af Driftstilstande for store Grupper af Meddelelseskanaler i Bærefrekvensanlæg.
ES180052A1 (es) MEJORAS EN SISTEMAS DE COMUNICACIoN
GB539948A (en) Improvements in or relating to carrier wave signalling systems
GB584871A (en) Improvements in alternating current telegraph systems
FR894994A (fr) Système de transmission à double modulation
ES179503A1 (es) MEJORAS RELACIONADAS CON SISTEMAS DE COMUNICACIoN POR CORRIENTE PORTADORA
ES171128A2 (enEXAMPLES)
DK80056C (da) Anlæg samt sender og modtager til overføring af stereofoniske signaler.
FR878209A (fr) Système de transmission multiplex par courants porteurs