NL72302C - - Google Patents

Info

Publication number
NL72302C
NL72302C NL72302DA NL72302C NL 72302 C NL72302 C NL 72302C NL 72302D A NL72302D A NL 72302DA NL 72302 C NL72302 C NL 72302C
Authority
NL
Netherlands
Application number
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 NL72302C publication Critical patent/NL72302C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/006—One-port networks comprising only passive electrical elements as network components comprising simultaneously tunable inductance and capacitance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/005—Inductances without magnetic core
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/003—One-port networks comprising only passive electrical elements as network components comprising distributed impedance elements together with lumped impedance elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
NL72302D 1942-12-17 NL72302C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH570474X 1942-12-17

Publications (1)

Publication Number Publication Date
NL72302C true NL72302C (fr)

Family

ID=4520877

Family Applications (1)

Application Number Title Priority Date Filing Date
NL72302D NL72302C (fr) 1942-12-17

Country Status (5)

Country Link
US (1) US2522370A (fr)
CH (1) CH230818A (fr)
FR (1) FR900589A (fr)
GB (1) GB570474A (fr)
NL (1) NL72302C (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606315A (en) * 1948-08-05 1952-08-05 Aladdin Ind Inc Tuning inductor
DE863373C (de) * 1950-11-09 1953-01-15 Lorenz C Ag Schleifvariometer
US2669698A (en) * 1951-04-26 1954-02-16 Collins Radio Co Radio frequency matching transformer
US2765447A (en) * 1951-11-06 1956-10-02 Du Mont Allen B Lab Inc Tuning device
DE1036339B (de) * 1954-06-08 1958-08-14 Aladdin Ind Inc Hochfrequenz-Abstimmelement fuer grosse Bereiche
DE1007833B (de) * 1954-06-21 1957-05-09 Aladdin Ind Inc Abstimmvorrichtung fuer einen weiten Hochfrequenzbereich
DE1266373C2 (de) * 1964-02-01 1973-05-24 Telefunken Patent Abstimmeinrichtung fuer mehrere getrennte Frequenzbereiche

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2299571A (en) * 1942-10-20 Harmonic transmission system
US1517570A (en) * 1921-02-17 1924-12-02 Joseph O Mauborgne System of radiocommunication
US1850914A (en) * 1928-05-02 1932-03-22 Admiral Ross Bailey Radio aerial
US1893618A (en) * 1931-06-05 1933-01-10 Gen Motors Radio Corp Coupling device
US1904199A (en) * 1931-06-27 1933-04-18 Gen Motors Radio Corp Inductance
GB453538A (en) * 1935-03-16 1936-09-14 Marconi Wireless Telegraph Co Improvements in or relating to artificial lines for use on radio and other high frequencies
US2227846A (en) * 1935-05-11 1941-01-07 Rca Corp High frequency coil
US2115826A (en) * 1936-09-30 1938-05-03 Bell Telephone Labor Inc Impedance transformer
US2232042A (en) * 1936-11-21 1941-02-18 Mackay Radio & Telegraph Co Inductance element
GB519506A (en) * 1938-11-07 1940-03-28 Gen Electric Co Ltd Improvements in means for eliminating high frequency oscillations from electric circuits
DE748787C (de) * 1939-01-18 1944-11-08 Als Vierpol geschaltete Laufzeitspule
US2465102A (en) * 1943-10-04 1949-03-22 Rca Corp Radio-frequency heating apparatus

Also Published As

Publication number Publication date
FR900589A (fr) 1945-07-03
US2522370A (en) 1950-09-12
GB570474A (en) 1945-07-09
CH230818A (de) 1944-01-31

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