NL7317691A - - Google Patents

Info

Publication number
NL7317691A
NL7317691A NL7317691A NL7317691A NL7317691A NL 7317691 A NL7317691 A NL 7317691A NL 7317691 A NL7317691 A NL 7317691A NL 7317691 A NL7317691 A NL 7317691A NL 7317691 A NL7317691 A NL 7317691A
Authority
NL
Netherlands
Application number
NL7317691A
Other versions
NL166830C (nl
NL166830B (nl
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 DE19722264031 external-priority patent/DE2264031C3/de
Application filed filed Critical
Publication of NL7317691A publication Critical patent/NL7317691A/xx
Publication of NL166830B publication Critical patent/NL166830B/xx
Application granted granted Critical
Publication of NL166830C publication Critical patent/NL166830C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Geophysics And Detection Of Objects (AREA)
NL7317691.A 1972-12-29 1973-12-27 Inrichting voor het detecteren van wisselstroomsignalen met verschillende, voorafbepaalde frequenties. NL166830C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722264031 DE2264031C3 (de) 1972-12-29 Verfahren zur frequenz- und pegelmäßigen Auswertung einer Pilotspannung

Publications (3)

Publication Number Publication Date
NL7317691A true NL7317691A (enrdf_load_stackoverflow) 1974-07-02
NL166830B NL166830B (nl) 1981-04-15
NL166830C NL166830C (nl) 1981-09-15

Family

ID=5865758

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7317691.A NL166830C (nl) 1972-12-29 1973-12-27 Inrichting voor het detecteren van wisselstroomsignalen met verschillende, voorafbepaalde frequenties.

Country Status (8)

Country Link
JP (1) JPS4999208A (enrdf_load_stackoverflow)
BE (1) BE809260A (enrdf_load_stackoverflow)
FR (1) FR2212550B1 (enrdf_load_stackoverflow)
GB (1) GB1451816A (enrdf_load_stackoverflow)
IL (1) IL43889A (enrdf_load_stackoverflow)
IT (1) IT1000761B (enrdf_load_stackoverflow)
NL (1) NL166830C (enrdf_load_stackoverflow)
SE (1) SE397412B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4610540A (en) * 1982-07-06 1986-09-09 General Electric Company Frequency burst analyzer
HUP0402132A2 (en) * 2004-10-20 2006-07-28 Laszlo Csanyi Multi function circuit containing qcan resonat members for suitable supplying adresses and data to the adress and data inputs of the digital and analogous devices from a signal source characterised by frequency

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL263599A (enrdf_load_stackoverflow) * 1960-04-13
US3462547A (en) * 1966-09-06 1969-08-19 Stanford Research Inst Data processing system for signals obtained from a video scanner
DE1512628A1 (de) * 1967-04-24 1969-04-24 Verbundnetz Mitte Veb Mitgekoppelter Transistorverstaerker fuer Grenzwertschaltung
US3555290A (en) * 1969-05-29 1971-01-12 Walter Ellermeyer Second-highest redundant voltage selector
US3619791A (en) * 1969-09-23 1971-11-09 Bendix Corp Intermediate amplitude signal selector

Also Published As

Publication number Publication date
IL43889A (en) 1977-03-31
JPS4999208A (enrdf_load_stackoverflow) 1974-09-19
FR2212550A1 (enrdf_load_stackoverflow) 1974-07-26
NL166830C (nl) 1981-09-15
FR2212550B1 (enrdf_load_stackoverflow) 1979-04-20
IT1000761B (it) 1976-04-10
DE2264031A1 (de) 1974-07-18
IL43889A0 (en) 1974-03-14
DE2264031B2 (de) 1976-08-19
GB1451816A (en) 1976-10-06
NL166830B (nl) 1981-04-15
BE809260A (fr) 1974-06-28
SE397412B (sv) 1977-10-31

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee