NL25668C - - Google Patents

Info

Publication number
NL25668C
NL25668C NL25668DA NL25668C NL 25668 C NL25668 C NL 25668C NL 25668D A NL25668D A NL 25668DA NL 25668 C NL25668 C NL 25668C
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 NL25668C publication Critical patent/NL25668C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/08—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes
NL25668D 1927-03-25 NL25668C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US178476A US1820809A (en) 1927-03-25 1927-03-25 Electrical system

Publications (1)

Publication Number Publication Date
NL25668C true NL25668C (xx)

Family

ID=22652687

Family Applications (1)

Application Number Title Priority Date Filing Date
NL25668D NL25668C (xx) 1927-03-25

Country Status (4)

Country Link
US (1) US1820809A (xx)
DE (1) DE510108C (xx)
FR (1) FR654193A (xx)
NL (1) NL25668C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739095C (de) * 1932-04-16 1944-01-19 Opta Radio Ag Mischroehrenschaltung fuer UEberlagerungsempfaenger
NL88017C (xx) * 1949-02-16
DE967593C (de) * 1953-12-25 1957-11-28 Max Braun Fa Additive Trioden-Mischstufe fuer sehr hohe Frequenzen
DE1013332B (de) * 1956-05-18 1957-08-08 Telefunken Gmbh Neutralisierungsschaltung fuer eine selbstschwingende Mischstufe, z.B. in Fernsehempfaengern mit Kanalschalter
DE1022272B (de) * 1956-12-19 1958-01-09 Telefunken Gmbh Selbstschwingende Mischstufe mit Triode fuer hohe Frequenzen, insbesondere fuer die Fernsehbaender auf dem Dezimeterwellen-Gebiet

Also Published As

Publication number Publication date
FR654193A (fr) 1929-04-03
DE510108C (de) 1930-10-16
US1820809A (en) 1931-08-25

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