CH492347A - Gemeinschaftsantennenanlage für Fernsehsignale - Google Patents

Gemeinschaftsantennenanlage für Fernsehsignale

Info

Publication number
CH492347A
CH492347A CH1752068A CH1752068A CH492347A CH 492347 A CH492347 A CH 492347A CH 1752068 A CH1752068 A CH 1752068A CH 1752068 A CH1752068 A CH 1752068A CH 492347 A CH492347 A CH 492347A
Authority
CH
Switzerland
Prior art keywords
antenna system
television signals
community antenna
community
television
Prior art date
Application number
CH1752068A
Other languages
German (de)
English (en)
Inventor
Andre Souvay
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH492347A publication Critical patent/CH492347A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/526—Circuit arrangements for protecting such amplifiers protecting by using redundant amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/201—Monitoring; Testing of receivers for measurement of specific parameters of the receiver or components thereof
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/542—Replacing by standby devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/23—Indication means, e.g. displays, alarms, audible means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Radio Relay Systems (AREA)
CH1752068A 1967-11-28 1968-11-25 Gemeinschaftsantennenanlage für Fernsehsignale CH492347A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR129940A FR1554804A (fr) 1967-11-28 1967-11-28 Dispositif automatique de commutation et de signalisation pour amplificateur a deux voies, dont une en réserve.
FR151439A FR94960E (fr) 1967-11-28 1968-05-10 Dispositif automatique de commutation et de signalisation pour amplificateur a deux voies, dont une en réserve.

Publications (1)

Publication Number Publication Date
CH492347A true CH492347A (de) 1970-06-15

Family

ID=26181181

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1752068A CH492347A (de) 1967-11-28 1968-11-25 Gemeinschaftsantennenanlage für Fernsehsignale

Country Status (8)

Country Link
BE (1) BE724472A (fr)
CH (1) CH492347A (fr)
DE (1) DE1810626A1 (fr)
ES (1) ES360706A1 (fr)
FR (2) FR1554804A (fr)
GB (1) GB1237089A (fr)
LU (1) LU57385A1 (fr)
MC (2) MC737A1 (fr)

Also Published As

Publication number Publication date
FR1554804A (fr) 1969-01-24
MC153A7 (fr) 1970-07-30
MC737A1 (fr) 1969-08-04
LU57385A1 (fr) 1969-03-03
FR94960E (fr) 1970-02-27
ES360706A1 (es) 1970-10-16
BE724472A (fr) 1969-05-27
DE1810626A1 (de) 1969-06-26
GB1237089A (en) 1971-06-30

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Legal Events

Date Code Title Description
PL Patent ceased