GB478226A - Improvements in signal-selecting systems for use in carrier signalling - Google Patents

Improvements in signal-selecting systems for use in carrier signalling

Info

Publication number
GB478226A
GB478226A GB1863/37A GB186337A GB478226A GB 478226 A GB478226 A GB 478226A GB 1863/37 A GB1863/37 A GB 1863/37A GB 186337 A GB186337 A GB 186337A GB 478226 A GB478226 A GB 478226A
Authority
GB
United Kingdom
Prior art keywords
valve
resistance
selectivity
volume
output
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
GB1863/37A
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 Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of GB478226A publication Critical patent/GB478226A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/24—Automatic control in frequency-selective amplifiers
    • H03G5/26—Automatic control in frequency-selective amplifiers having discharge tubes

Landscapes

  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB1863/37A 1936-02-12 1937-01-21 Improvements in signal-selecting systems for use in carrier signalling Expired GB478226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63577A US2262707A (en) 1936-02-12 1936-02-12 Adjustable band-pass selector

Publications (1)

Publication Number Publication Date
GB478226A true GB478226A (en) 1938-01-14

Family

ID=22050130

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1863/37A Expired GB478226A (en) 1936-02-12 1937-01-21 Improvements in signal-selecting systems for use in carrier signalling

Country Status (6)

Country Link
US (1) US2262707A (enrdf_load_stackoverflow)
AT (1) AT153942B (enrdf_load_stackoverflow)
DE (1) DE681057C (enrdf_load_stackoverflow)
FR (1) FR817749A (enrdf_load_stackoverflow)
GB (1) GB478226A (enrdf_load_stackoverflow)
NL (1) NL53360C (enrdf_load_stackoverflow)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480171A (en) * 1943-02-18 1949-08-30 Sperry Corp Pulse receiver system for improved target tracking
US2514443A (en) * 1943-06-07 1950-07-11 Rca Corp Selectivity control system
US2498561A (en) * 1945-09-06 1950-02-21 Harry J Lipkin Adjustable band-pass selector
US2509062A (en) * 1945-09-07 1950-05-23 Emi Ltd Selectable band width coupling network
US2624838A (en) * 1945-12-07 1953-01-06 Int Standard Electric Corp Radio receiver employing band pass coupling circuit arrangements
US2516056A (en) * 1946-02-26 1950-07-18 Rca Corp Method for tuning cascade tuned circuits
US2438045A (en) * 1946-11-01 1948-03-16 Thor Corp Control dial assembly
US2579345A (en) * 1947-07-05 1951-12-18 Rca Corp Amplifier band width control
US2597629A (en) * 1948-11-19 1952-05-20 Gen Electric Electron discharge amplifier
US2743356A (en) * 1949-06-25 1956-04-24 Rca Corp Tunable frequency systems of constant band width
US2750452A (en) * 1951-03-21 1956-06-12 Rca Corp Selectivity control circuit
DE1293353B (de) * 1953-02-13 1969-04-24 Drexler Kettenfilter aus wenigstens vier ueber Reaktanzen gekoppelten, in den Querzweigen angeordneten und gleich abgestimmten Parallelresonanzkreisen
US2908877A (en) * 1955-02-14 1959-10-13 Gen Electric Crystal filter
US2947859A (en) * 1955-08-11 1960-08-02 Motorola Inc Automatic control of coupling between input tuned circuits to vary attenuation and selectivity
US2997674A (en) * 1957-02-25 1961-08-22 Hoffman Electronics Corp Logarithmic signal limiting coupling circuit or the like
GB856892A (en) * 1957-11-14 1960-12-21 Collins Radio Co Means for reducing the threshold of angular-modulation receivers
DE1212988B (de) * 1959-03-11 1966-03-24 Loewe Opta Ag Mehrnormen-Fernsehempfaenger zum wahlweisen Empfang von Sendungen mit amplitudenmoduliertem oder mit frequenz-moduliertem Begleittonsignal
DE1616787B1 (de) * 1962-12-21 1972-06-29 Siemens Ag Fm-richtfunksystem fuer einrichtungen der elektrischen nachrichtentechnik

Also Published As

Publication number Publication date
FR817749A (fr) 1937-09-09
US2262707A (en) 1941-11-11
DE681057C (de) 1939-09-15
NL53360C (enrdf_load_stackoverflow) 1942-10-15
AT153942B (de) 1938-07-25

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