GB459343A - Improvements in or relating to electrical band-pass filters for wireless receiving sets - Google Patents

Improvements in or relating to electrical band-pass filters for wireless receiving sets

Info

Publication number
GB459343A
GB459343A GB12560/36A GB1256036A GB459343A GB 459343 A GB459343 A GB 459343A GB 12560/36 A GB12560/36 A GB 12560/36A GB 1256036 A GB1256036 A GB 1256036A GB 459343 A GB459343 A GB 459343A
Authority
GB
United Kingdom
Prior art keywords
inductances
band
coupling
coils
circuits
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
GB12560/36A
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.)
Koninklijke Philips NV
Original Assignee
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB459343A publication Critical patent/GB459343A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
    • B21D9/165—Machines for filling tubes with sand
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters And Equalizers (AREA)
GB12560/36A 1935-07-26 1936-05-04 Improvements in or relating to electrical band-pass filters for wireless receiving sets Expired GB459343A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE459343X 1935-07-26

Publications (1)

Publication Number Publication Date
GB459343A true GB459343A (en) 1937-01-06

Family

ID=6539572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12560/36A Expired GB459343A (en) 1935-07-26 1936-05-04 Improvements in or relating to electrical band-pass filters for wireless receiving sets

Country Status (2)

Country Link
FR (1) FR459343A (fr)
GB (1) GB459343A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6441712B2 (en) 2000-03-01 2002-08-27 Alstom Tuned filters for electric power systems
CN108906940A (zh) * 2018-06-28 2018-11-30 湖州织里宝丰铝业有限公司 铝合金环形管光整圆弧成型装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6441712B2 (en) 2000-03-01 2002-08-27 Alstom Tuned filters for electric power systems
CN108906940A (zh) * 2018-06-28 2018-11-30 湖州织里宝丰铝业有限公司 铝合金环形管光整圆弧成型装置

Also Published As

Publication number Publication date
FR459343A (fr) 1913-11-03

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