DE1123058B - Elektrische Weiche - Google Patents

Elektrische Weiche

Info

Publication number
DE1123058B
DE1123058B DEN5195A DEN0005195A DE1123058B DE 1123058 B DE1123058 B DE 1123058B DE N5195 A DEN5195 A DE N5195A DE N0005195 A DEN0005195 A DE N0005195A DE 1123058 B DE1123058 B DE 1123058B
Authority
DE
Germany
Prior art keywords
switch
filters
band
pass
filter
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.)
Pending
Application number
DEN5195A
Other languages
German (de)
English (en)
Inventor
Jacob Willem Scholten
Mattheus Johannes Fennis
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 DE1123058B publication Critical patent/DE1123058B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/08—Arrangements for combining channels
    • 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
    • H03H7/38—Impedance-matching networks
    • 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
    • H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/21—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a set of bandfilters
    • 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
    • H03H7/175—Series LC in series path
    • 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
    • H03H7/1783—Combined LC in series path
    • 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
    • H03H7/1791—Combined LC in shunt or branch path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Filters And Equalizers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DEN5195A 1951-03-13 1952-03-08 Elektrische Weiche Pending DE1123058B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL705628X 1951-03-13

Publications (1)

Publication Number Publication Date
DE1123058B true DE1123058B (de) 1962-02-01

Family

ID=19812054

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN5195A Pending DE1123058B (de) 1951-03-13 1952-03-08 Elektrische Weiche

Country Status (4)

Country Link
DE (1) DE1123058B (enrdf_load_stackoverflow)
FR (1) FR1073910A (enrdf_load_stackoverflow)
GB (1) GB705628A (enrdf_load_stackoverflow)
NL (1) NL85464C (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2076248A (en) * 1934-08-16 1937-04-06 Bell Telephone Labor Inc Wave filter
FR835556A (fr) * 1937-03-22 1938-12-26 Philips Nv Réseau sélecteur formé par des filtres d'ondes du type passe-bande, particulièrement utilisable en téléphonie
DE671797C (de) * 1933-10-27 1939-02-14 Gen Electric Co Ltd Elektrische Filterweiche mit mehreren Filtern untereinander gleichartigen Aufbaus
GB572846A (en) * 1943-07-19 1945-10-25 Gen Electric Co Ltd Improvements in electrical selective network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE671797C (de) * 1933-10-27 1939-02-14 Gen Electric Co Ltd Elektrische Filterweiche mit mehreren Filtern untereinander gleichartigen Aufbaus
US2076248A (en) * 1934-08-16 1937-04-06 Bell Telephone Labor Inc Wave filter
FR835556A (fr) * 1937-03-22 1938-12-26 Philips Nv Réseau sélecteur formé par des filtres d'ondes du type passe-bande, particulièrement utilisable en téléphonie
GB572846A (en) * 1943-07-19 1945-10-25 Gen Electric Co Ltd Improvements in electrical selective network

Also Published As

Publication number Publication date
FR1073910A (fr) 1954-09-30
NL85464C (enrdf_load_stackoverflow)
GB705628A (en) 1954-03-17

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