GB606374A - Improvements in or relating to frequency changing devices - Google Patents

Improvements in or relating to frequency changing devices

Info

Publication number
GB606374A
GB606374A GB1201/46A GB120146A GB606374A GB 606374 A GB606374 A GB 606374A GB 1201/46 A GB1201/46 A GB 1201/46A GB 120146 A GB120146 A GB 120146A GB 606374 A GB606374 A GB 606374A
Authority
GB
United Kingdom
Prior art keywords
output
circuit
input
taken
lecher wire
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
GB1201/46A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB606374A publication Critical patent/GB606374A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/065—Transference of modulation using distributed inductance and capacitance by means of discharge tubes having more than two electrodes
    • 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
    • H03D7/14—Balanced arrangements
    • H03D7/1408—Balanced arrangements with diodes
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Superheterodyne Receivers (AREA)
GB1201/46A 1941-01-31 1946-01-14 Improvements in or relating to frequency changing devices Expired GB606374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL606374X 1941-01-31

Publications (1)

Publication Number Publication Date
GB606374A true GB606374A (en) 1948-08-12

Family

ID=19787953

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1201/46A Expired GB606374A (en) 1941-01-31 1946-01-14 Improvements in or relating to frequency changing devices

Country Status (5)

Country Link
US (1) US2441452A (el)
BE (1) BE444311A (el)
DE (1) DE872571C (el)
FR (1) FR878960A (el)
GB (1) GB606374A (el)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2636980A (en) * 1953-04-28
NL64724C (el) * 1941-07-30 1949-11-15
NL72257C (el) * 1943-03-27
US2591983A (en) * 1943-11-12 1952-04-08 Hartford Nat Bank & Trust Co Mixing circuit arrangement
FR937998A (el) * 1944-07-26 1948-10-12
BE467878A (el) * 1944-08-08
US2515441A (en) * 1947-06-25 1950-07-18 Avco Mfg Corp Antenna input circuits
US2594167A (en) * 1948-07-30 1952-04-22 Rca Corp Ultrahigh-frequency bridge circuits
US2664501A (en) * 1949-08-10 1953-12-29 Wilcox Gay Corp Frequency conversion system
US2787705A (en) * 1951-06-25 1957-04-02 Hazeltine Research Inc High-frequency wave-signal tuning device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB420754A (en) * 1932-06-04 1934-12-06 Telefunken Gmbh Improvements in or relating to thermionic apparatus for the production or amplification of ultra short waves
US2094470A (en) * 1934-10-20 1937-09-28 Rca Corp Multiple function tube
US2270791A (en) * 1939-07-13 1942-01-20 Rca Corp Oscillator-modulator circuit
NL58997C (el) * 1940-05-30
GB554675A (en) * 1942-03-13 1943-07-14 Philips Nv Improvements in or relating to frequency changing devices, more particularly for very short waves

Also Published As

Publication number Publication date
US2441452A (en) 1948-05-11
FR878960A (fr) 1943-02-10
DE872571C (de) 1953-04-02
BE444311A (el)

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