CH281297A - Method and device for establishing a service channel connection in pulse-modulated multi-channel systems, in particular in relay stations. - Google Patents

Method and device for establishing a service channel connection in pulse-modulated multi-channel systems, in particular in relay stations.

Info

Publication number
CH281297A
CH281297A CH281297DA CH281297A CH 281297 A CH281297 A CH 281297A CH 281297D A CH281297D A CH 281297DA CH 281297 A CH281297 A CH 281297A
Authority
CH
Switzerland
Prior art keywords
establishing
pulse
relay stations
modulated multi
service channel
Prior art date
Application number
Other languages
German (de)
Inventor
Patentverwertungs-Elektro-Hold
Original Assignee
Patelhold Patentverwertung
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 Patelhold Patentverwertung filed Critical Patelhold Patentverwertung
Publication of CH281297A publication Critical patent/CH281297A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • H04J3/125—One of the channel pulses or the synchronisation pulse is also used for transmitting monitoring or supervisory signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CH281297D 1950-05-12 1950-05-12 Method and device for establishing a service channel connection in pulse-modulated multi-channel systems, in particular in relay stations. CH281297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH281297T 1950-05-12

Publications (1)

Publication Number Publication Date
CH281297A true CH281297A (en) 1952-02-29

Family

ID=4530750

Family Applications (1)

Application Number Title Priority Date Filing Date
CH281297D CH281297A (en) 1950-05-12 1950-05-12 Method and device for establishing a service channel connection in pulse-modulated multi-channel systems, in particular in relay stations.

Country Status (6)

Country Link
BE (1) BE503173A (en)
CH (1) CH281297A (en)
DE (1) DE872585C (en)
FR (1) FR1047732A (en)
GB (1) GB710760A (en)
NL (1) NL76408C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE933513C (en) * 1953-02-14 1955-09-29 Patelhold Patentverwertung Device for generating a pulse train from a given pulse train

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE933513C (en) * 1953-02-14 1955-09-29 Patelhold Patentverwertung Device for generating a pulse train from a given pulse train

Also Published As

Publication number Publication date
NL76408C (en) 1954-06-15
DE872585C (en) 1953-04-13
FR1047732A (en) 1953-12-16
GB710760A (en) 1954-06-16
BE503173A (en)

Similar Documents

Publication Publication Date Title
CH305276A (en) Method and device for the simultaneous transmission of two complex electrical signals over a common channel, in particular for simultaneous color television.
CH281297A (en) Method and device for establishing a service channel connection in pulse-modulated multi-channel systems, in particular in relay stations.
CH313480A (en) Multiplex transmission method and transmission system for carrying out the method, in particular color television system
CH276295A (en) Device for monitoring the operational readiness of systems with relay stations for wireless multi-channel message transmission with pulse modulation.
CH395197A (en) Device for step-by-step, pilot-controlled level control of message transmission systems, in particular for carrier frequency, multi-channel long-range systems
FR920283A (en) Control system, intended in particular for aircraft
CH288265A (en) Method for controlling a power converter system, in particular a rectifier system, in a Graetz circuit.
AT228261B (en) Device for the automatic control of heating systems for vehicles, in particular for rail vehicles
CA488303A (en) Tertiary butyl secondary amines and method for preparing the same
CH299124A (en) Device for monitoring and maintaining a station in a frequency-modulated directional beam transmission system.
AT174642B (en) Method and circuit arrangement for the transmission of pulses with the aid of relay transmitters, in particular in telephone systems
CH443422A (en) Method for transmitting the service channel of a radio link
CH282579A (en) Cleaning device, in particular for vehicles.
AT180600B (en) Intercom station for telephone systems, in particular subscriber stations
CH295855A (en) Control device, in particular for television receivers.
AT173348B (en) Device for automatic synchronization between drive and output, in particular for motor vehicles
AT255473B (en) Stop cocks, in particular coupling stop cocks for railway air brakes
AT173341B (en) Device for power transmission, in particular in motor vehicles
AT178643B (en) Safety braking device for circulating railways, in particular chair lift systems
CH425902A (en) Method for setting orthogonal equalizers, in particular for multi-channel carrier frequency transmission systems
AT168543B (en) Connection cables for indoor installation, in particular for telephone systems
GB650527A (en) Improvements in or relating to radio navigation systems
DK75547C (en) Device for radio systems with at least one main station and several smaller duplex radio stations.
AT183442B (en) Brake systems, in particular for rail vehicles
AT136568B (en) Cable distributors, especially for block and signal systems.