GB487880A - Improvements in or relating to radio and like receivers - Google Patents

Improvements in or relating to radio and like receivers

Info

Publication number
GB487880A
GB487880A GB35888/36A GB3588836A GB487880A GB 487880 A GB487880 A GB 487880A GB 35888/36 A GB35888/36 A GB 35888/36A GB 3588836 A GB3588836 A GB 3588836A GB 487880 A GB487880 A GB 487880A
Authority
GB
United Kingdom
Prior art keywords
coils
frequency
coil
coupled
circuit
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
GB35888/36A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi 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, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB35888/36A priority Critical patent/GB487880A/en
Priority to US177191A priority patent/US2217294A/en
Priority to FR831368D priority patent/FR831368A/fr
Priority to DEM140246D priority patent/DE757405C/de
Publication of GB487880A publication Critical patent/GB487880A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters

Landscapes

  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Networks Using Active Elements (AREA)
  • Circuits Of Receivers In General (AREA)
GB35888/36A 1936-12-31 1936-12-31 Improvements in or relating to radio and like receivers Expired GB487880A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB35888/36A GB487880A (en) 1936-12-31 1936-12-31 Improvements in or relating to radio and like receivers
US177191A US2217294A (en) 1936-12-31 1937-11-30 Automatic frequency control
FR831368D FR831368A (fr) 1936-12-31 1937-12-28 Perfectionnements aux radiorécepteurs et appareils analogues
DEM140246D DE757405C (de) 1936-12-31 1937-12-30 Einrichtung zur selbsttaetigen Scharfabstimmung eines Empfaengers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB35888/36A GB487880A (en) 1936-12-31 1936-12-31 Improvements in or relating to radio and like receivers

Publications (1)

Publication Number Publication Date
GB487880A true GB487880A (en) 1938-06-28

Family

ID=10382649

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35888/36A Expired GB487880A (en) 1936-12-31 1936-12-31 Improvements in or relating to radio and like receivers

Country Status (4)

Country Link
US (1) US2217294A (fr)
DE (1) DE757405C (fr)
FR (1) FR831368A (fr)
GB (1) GB487880A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1217464B (de) * 1962-03-26 1966-05-26 Johann Stegmueller Schaltungsanordnung zur Kompensation einer von einer Amplitudenmodulation herruehrenden Stoerspannung in der Ausgangsspannung eines Demodulators fuer frequenzmodulierte,elektrische Hochfrequenzschwingungen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607889A (en) * 1945-06-23 1952-08-19 Emi Ltd Radio receiver
US2498954A (en) * 1946-05-07 1950-02-28 Panoramic Radio Corp Panoramic receiver with means for modifying signal pulses applied to indicators
GB0103871D0 (en) 2001-02-16 2001-04-04 Unilever Plc Bleaching composition of enhanced stability and a process for making such a composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1217464B (de) * 1962-03-26 1966-05-26 Johann Stegmueller Schaltungsanordnung zur Kompensation einer von einer Amplitudenmodulation herruehrenden Stoerspannung in der Ausgangsspannung eines Demodulators fuer frequenzmodulierte,elektrische Hochfrequenzschwingungen

Also Published As

Publication number Publication date
US2217294A (en) 1940-10-08
DE757405C (de) 1952-03-27
FR831368A (fr) 1938-09-01

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