IT956793B - SYSTEM AND CIRCUIT ARRANGEMENT TO EXPLORE DIRECT CURRENT SIGNALS OR LOW FREQUENCY AC SIGNALS - Google Patents

SYSTEM AND CIRCUIT ARRANGEMENT TO EXPLORE DIRECT CURRENT SIGNALS OR LOW FREQUENCY AC SIGNALS

Info

Publication number
IT956793B
IT956793B IT2610272A IT2610272A IT956793B IT 956793 B IT956793 B IT 956793B IT 2610272 A IT2610272 A IT 2610272A IT 2610272 A IT2610272 A IT 2610272A IT 956793 B IT956793 B IT 956793B
Authority
IT
Italy
Prior art keywords
signals
direct current
low frequency
circuit arrangement
explore
Prior art date
Application number
IT2610272A
Other languages
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
Priority claimed from DE19712132617 external-priority patent/DE2132617C3/en
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT956793B publication Critical patent/IT956793B/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IT2610272A 1971-06-30 1972-06-23 SYSTEM AND CIRCUIT ARRANGEMENT TO EXPLORE DIRECT CURRENT SIGNALS OR LOW FREQUENCY AC SIGNALS IT956793B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712132617 DE2132617C3 (en) 1971-06-30 Circuit arrangement for querying direct current or low-frequency alternating current signals

Publications (1)

Publication Number Publication Date
IT956793B true IT956793B (en) 1973-10-10

Family

ID=5812294

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2610272A IT956793B (en) 1971-06-30 1972-06-23 SYSTEM AND CIRCUIT ARRANGEMENT TO EXPLORE DIRECT CURRENT SIGNALS OR LOW FREQUENCY AC SIGNALS

Country Status (3)

Country Link
AT (1) AT322412B (en)
FR (1) FR2143632B1 (en)
IT (1) IT956793B (en)

Also Published As

Publication number Publication date
DE2132617B2 (en) 1977-01-13
AT322412B (en) 1975-05-26
FR2143632A1 (en) 1973-02-09
FR2143632B1 (en) 1977-01-28
DE2132617A1 (en) 1973-01-18

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