IT981336B - Filtro a frequenza fonica per impianti a comando centrale - Google Patents

Filtro a frequenza fonica per impianti a comando centrale

Info

Publication number
IT981336B
IT981336B IT21522/73A IT2152273A IT981336B IT 981336 B IT981336 B IT 981336B IT 21522/73 A IT21522/73 A IT 21522/73A IT 2152273 A IT2152273 A IT 2152273A IT 981336 B IT981336 B IT 981336B
Authority
IT
Italy
Prior art keywords
frequency filter
sound frequency
operated systems
centrally operated
centrally
Prior art date
Application number
IT21522/73A
Other languages
English (en)
Italian (it)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT981336B publication Critical patent/IT981336B/it

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00Networks using time-varying elements, e.g. N-path filters
    • H03H19/002N-path filters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H02J13/00009Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission using pulsed signals
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Networks Using Active Elements (AREA)
  • Selective Calling Equipment (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
IT21522/73A 1972-03-16 1973-03-13 Filtro a frequenza fonica per impianti a comando centrale IT981336B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2212814A DE2212814B2 (de) 1972-03-16 1972-03-16 Tonfrequenzfilter für Rundsteueranlagen

Publications (1)

Publication Number Publication Date
IT981336B true IT981336B (it) 1974-10-10

Family

ID=5839152

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21522/73A IT981336B (it) 1972-03-16 1973-03-13 Filtro a frequenza fonica per impianti a comando centrale

Country Status (7)

Country Link
JP (1) JPS491987A (US20080094685A1-20080424-C00004.png)
BE (1) BE796734A (US20080094685A1-20080424-C00004.png)
CH (1) CH548684A (US20080094685A1-20080424-C00004.png)
DE (1) DE2212814B2 (US20080094685A1-20080424-C00004.png)
FR (1) FR2176124B3 (US20080094685A1-20080424-C00004.png)
IT (1) IT981336B (US20080094685A1-20080424-C00004.png)
NL (1) NL7303495A (US20080094685A1-20080424-C00004.png)

Also Published As

Publication number Publication date
FR2176124A1 (US20080094685A1-20080424-C00004.png) 1973-10-26
BE796734A (fr) 1973-07-02
CH548684A (de) 1974-04-30
NL7303495A (US20080094685A1-20080424-C00004.png) 1973-09-18
JPS491987A (US20080094685A1-20080424-C00004.png) 1974-01-09
FR2176124B3 (US20080094685A1-20080424-C00004.png) 1976-03-12
DE2212814B2 (de) 1974-07-11
DE2212814A1 (de) 1973-09-27

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