ES360706A1 - Un sistema de antena colectiva de television. - Google Patents

Un sistema de antena colectiva de television.

Info

Publication number
ES360706A1
ES360706A1 ES360706A ES360706A ES360706A1 ES 360706 A1 ES360706 A1 ES 360706A1 ES 360706 A ES360706 A ES 360706A ES 360706 A ES360706 A ES 360706A ES 360706 A1 ES360706 A1 ES 360706A1
Authority
ES
Spain
Prior art keywords
amplifier
normal
oscillator
standby
effected
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
ES360706A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES360706A1 publication Critical patent/ES360706A1/es
Expired legal-status Critical Current

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)
ES360706A 1967-11-28 1968-11-26 Un sistema de antena colectiva de television. Expired ES360706A1 (es)

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
ES360706A1 true ES360706A1 (es) 1970-10-16

Family

ID=26181181

Family Applications (1)

Application Number Title Priority Date Filing Date
ES360706A Expired ES360706A1 (es) 1967-11-28 1968-11-26 Un sistema de antena colectiva de television.

Country Status (8)

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

Also Published As

Publication number Publication date
FR1554804A (fr) 1969-01-24
CH492347A (de) 1970-06-15
MC153A7 (fr) 1970-07-30
MC737A1 (fr) 1969-08-04
LU57385A1 (fr) 1969-03-03
FR94960E (fr) 1970-02-27
BE724472A (fr) 1969-05-27
DE1810626A1 (de) 1969-06-26
GB1237089A (en) 1971-06-30

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