GB465593A - Improvements in and relating to radio frequency receiving systems - Google Patents

Improvements in and relating to radio frequency receiving systems

Info

Publication number
GB465593A
GB465593A GB2728035A GB2728035A GB465593A GB 465593 A GB465593 A GB 465593A GB 2728035 A GB2728035 A GB 2728035A GB 2728035 A GB2728035 A GB 2728035A GB 465593 A GB465593 A GB 465593A
Authority
GB
United Kingdom
Prior art keywords
coils
coupling
relating
radio frequency
frequency receiving
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
GB2728035A
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.)
PAUL DOUGLAS TYERS
Original Assignee
PAUL DOUGLAS TYERS
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 PAUL DOUGLAS TYERS filed Critical PAUL DOUGLAS TYERS
Priority to GB2728035A priority Critical patent/GB465593A/en
Publication of GB465593A publication Critical patent/GB465593A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path

Landscapes

  • Coils Or Transformers For Communication (AREA)

Abstract

465,593. High-frequency transformers. TYERS, P. D. Oct. 3, 1935, No. 27280. [Class 38 (ii)] In a high-frequency transformer comprising relatively movable coils 2, 3 for varying the coupling between tuned circuits in a radio receiver, the coils, and if desired the condensers associated with them, are enclosed in a screening casing, and a screen 5 comprising a number of wires or rods is placed between the coils in order to ensure that variation in coupling is not accompanied by any substantial change in stray capacities. Coupling is varied by rotating one coil about the casing axis so that it remains substantially symmetrically disposed with respect to its screening compartment. The coils may comprise the whole of the inductance of their respective oscillatory circuits, Fig. 3, or a part thereof, Fig. 4.
GB2728035A 1935-10-03 1935-10-03 Improvements in and relating to radio frequency receiving systems Expired GB465593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2728035A GB465593A (en) 1935-10-03 1935-10-03 Improvements in and relating to radio frequency receiving systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2728035A GB465593A (en) 1935-10-03 1935-10-03 Improvements in and relating to radio frequency receiving systems

Publications (1)

Publication Number Publication Date
GB465593A true GB465593A (en) 1937-05-03

Family

ID=10257003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2728035A Expired GB465593A (en) 1935-10-03 1935-10-03 Improvements in and relating to radio frequency receiving systems

Country Status (1)

Country Link
GB (1) GB465593A (en)

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