GB291012A - - Google Patents

Info

Publication number
GB291012A
GB291012A GB15050/28A GB1505028A GB291012A GB 291012 A GB291012 A GB 291012A GB 15050/28 A GB15050/28 A GB 15050/28A GB 1505028 A GB1505028 A GB 1505028A GB 291012 A GB291012 A GB 291012A
Authority
GB
United Kingdom
Prior art keywords
valve
aerial
inductance
input
local
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
GB15050/28A
Other languages
English (en)
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
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 Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB291012A publication Critical patent/GB291012A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB15050/28A 1927-05-23 1928-05-22 Expired GB291012A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US193411A US1725721A (en) 1927-05-23 1927-05-23 Method and means for combining frequencies

Publications (1)

Publication Number Publication Date
GB291012A true GB291012A (enrdf_load_stackoverflow) 1928-09-20

Family

ID=22713522

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15050/28A Expired GB291012A (enrdf_load_stackoverflow) 1927-05-23 1928-05-22

Country Status (2)

Country Link
US (1) US1725721A (enrdf_load_stackoverflow)
GB (1) GB291012A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968071C (de) * 1952-03-22 1958-01-16 Telefunken Gmbh Empfaenger mit wahlweiser Verstaerkung einer kurzwelligen Zwischenfrequenz beim UKW-Empfang oder einer kurzen Empfangswelle in derselben Empfaengerstufe
DE967648C (de) * 1952-03-23 1957-12-05 Telefunken Gmbh Mischstufe mit additiver Mischung, insbesondere fuer den UKW-Empfang
DE1013332B (de) * 1956-05-18 1957-08-08 Telefunken Gmbh Neutralisierungsschaltung fuer eine selbstschwingende Mischstufe, z.B. in Fernsehempfaengern mit Kanalschalter

Also Published As

Publication number Publication date
US1725721A (en) 1929-08-20

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