NL147866B - Elektrische besturingsinrichting voor een verwarmingsketel. - Google Patents

Elektrische besturingsinrichting voor een verwarmingsketel.

Info

Publication number
NL147866B
NL147866B NL656504986A NL147866DA NL147866B NL 147866 B NL147866 B NL 147866B NL 656504986 A NL656504986 A NL 656504986A NL 147866D A NL147866D A NL 147866DA NL 147866 B NL147866 B NL 147866B
Authority
NL
Netherlands
Prior art keywords
control device
electrical control
heating boiler
boiler
heating
Prior art date
Application number
NL656504986A
Other languages
English (en)
Original Assignee
Hoval Herzog 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.)
Publication of NL147866B publication Critical patent/NL147866B/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/24—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/26—Demodulation of angle-, frequency- or phase- modulated oscillations by means of sloping amplitude/frequency characteristic of tuned or reactive circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/18—Networks for phase shifting
    • H03H7/20—Two-port phase shifters providing an adjustable phase shift

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Filters And Equalizers (AREA)
NL656504986A 1949-07-28 Elektrische besturingsinrichting voor een verwarmingsketel. NL147866B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL907313X 1949-07-28

Publications (1)

Publication Number Publication Date
NL147866B true NL147866B (nl)

Family

ID=19858659

Family Applications (2)

Application Number Title Priority Date Filing Date
NL76618D NL76618C (nl) 1949-07-28
NL656504986A NL147866B (nl) 1949-07-28 Elektrische besturingsinrichting voor een verwarmingsketel.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL76618D NL76618C (nl) 1949-07-28

Country Status (2)

Country Link
DE (1) DE907313C (nl)
NL (2) NL147866B (nl)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1950406A (en) * 1929-05-07 1934-03-13 Frederick W Hoorn Method and apparatus for controlling electrical waves
BE381245A (nl) * 1930-07-10
DE655477C (de) * 1935-02-19 1938-01-17 Telefunken Gmbh Schaltung zur Phasenmodulation von Schwingungen
DE728584C (de) * 1939-03-09 1942-11-30 Telefunken Gmbh Hochfrequenzimpedanz mit veraenderbarem Phasenwinkel bei gleichbleibender Abstimmung

Also Published As

Publication number Publication date
NL76618C (nl)
DE907313C (de) 1954-03-22

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