FR654193A - Improvements to electrical systems incorporating electronic discharge tubes - Google Patents

Improvements to electrical systems incorporating electronic discharge tubes

Info

Publication number
FR654193A
FR654193A FR654193DA FR654193A FR 654193 A FR654193 A FR 654193A FR 654193D A FR654193D A FR 654193DA FR 654193 A FR654193 A FR 654193A
Authority
FR
France
Prior art keywords
electrical systems
discharge tubes
systems incorporating
electronic discharge
incorporating electronic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR654193A publication Critical patent/FR654193A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Superheterodyne Receivers (AREA)
FR654193D 1927-03-25 1928-03-24 Improvements to electrical systems incorporating electronic discharge tubes Expired FR654193A (en)

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
FR654193A true FR654193A (en) 1929-04-03

Family

ID=22652687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR654193D Expired FR654193A (en) 1927-03-25 1928-03-24 Improvements to electrical systems incorporating electronic discharge tubes

Country Status (4)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739095C (en) * 1932-04-16 1944-01-19 Opta Radio Ag Mixing tube circuit for overlay receiver
NL89165C (en) * 1949-02-16
DE967593C (en) * 1953-12-25 1957-11-28 Max Braun Fa Additive triode mixer for very high frequencies
DE1013332B (en) * 1956-05-18 1957-08-08 Telefunken Gmbh Neutralization circuit for a self-oscillating mixer, e.g. in television receivers with channel switches
DE1022272B (en) * 1956-12-19 1958-01-09 Telefunken Gmbh Self-oscillating mixer with triode for high frequencies, especially for TV bands in the decimeter wave range

Also Published As

Publication number Publication date
US1820809A (en) 1931-08-25
DE510108C (en) 1930-10-16
NL25668C (en)

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