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FR2269264A1 - Telecommunication system with main station transmitter and receivers - has control sending coded recognition signals to transmitter giving receiver states - Google Patents

Telecommunication system with main station transmitter and receivers - has control sending coded recognition signals to transmitter giving receiver states

Info

Publication number
FR2269264A1
FR2269264A1 FR7512635A FR7512635A FR2269264A1 FR 2269264 A1 FR2269264 A1 FR 2269264A1 FR 7512635 A FR7512635 A FR 7512635A FR 7512635 A FR7512635 A FR 7512635A FR 2269264 A1 FR2269264 A1 FR 2269264A1
Authority
FR
France
Prior art keywords
transmitter
receivers
recognition signals
telecommunication system
main station
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.)
Withdrawn
Application number
FR7512635A
Other languages
French (fr)
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.)
SCIENT CONTROL SYSTEMS Ltd
Original Assignee
SCIENT CONTROL SYSTEMS Ltd
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 SCIENT CONTROL SYSTEMS Ltd filed Critical SCIENT CONTROL SYSTEMS Ltd
Publication of FR2269264A1 publication Critical patent/FR2269264A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Telecommunication system consisting of a main station with a large number of radio receivers and at least one radio transmitter. The systems are interconnected by a control unit. During operation the transmitter will send a continuous train of recognition signals via the direction of the control unit. These will give an indication of the operational state of the receivers. The recognition signals generated by the control unti are in code form. If a receiver in operation receives a signal from a remote station then the associated symbols will be omitted from the recognition signals. The control unit has a separate sequence selector for each receiver.
FR7512635A 1974-04-29 1975-04-23 Telecommunication system with main station transmitter and receivers - has control sending coded recognition signals to transmitter giving receiver states Withdrawn FR2269264A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1866674 1974-04-29

Publications (1)

Publication Number Publication Date
FR2269264A1 true FR2269264A1 (en) 1975-11-21

Family

ID=10116368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7512635A Withdrawn FR2269264A1 (en) 1974-04-29 1975-04-23 Telecommunication system with main station transmitter and receivers - has control sending coded recognition signals to transmitter giving receiver states

Country Status (4)

Country Link
JP (1) JPS50147813A (en)
DE (1) DE2517548A1 (en)
FR (1) FR2269264A1 (en)
NL (1) NL7505029A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6047330B2 (en) * 1982-02-02 1985-10-21 日本鋼管株式会社 Method and apparatus for producing uncalcined agglomerate ore

Also Published As

Publication number Publication date
DE2517548A1 (en) 1975-11-13
NL7505029A (en) 1975-10-31
JPS50147813A (en) 1975-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse