FR25346E - Perfectionnements apportés aux filtres d'ondes électriques - Google Patents
Perfectionnements apportés aux filtres d'ondes électriquesInfo
- Publication number
- FR25346E FR25346E FR25346DA FR25346E FR 25346 E FR25346 E FR 25346E FR 25346D A FR25346D A FR 25346DA FR 25346 E FR25346 E FR 25346E
- Authority
- FR
- France
- Prior art keywords
- electric wave
- improvements made
- wave filters
- filters
- electric
- 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
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
- H03H7/075—Ladder networks, e.g. electric wave filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/04—Feeding or distributing of lump or pulverulent fuel to combustion apparatus for locomotive boiler furnaces
-
- 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
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
-
- 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
- H03H7/1775—Parallel LC in shunt or branch path
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2260/00—Theory relating to impedance networks
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US437527A US1538964A (en) | 1921-01-15 | 1921-01-15 | Wave filter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR25346E true FR25346E (fr) | 1923-01-24 |
Family
ID=26685809
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR517686A Expired FR517686A (fr) | 1921-01-15 | 1920-06-23 | Perfectionnements apportés aux filtres d'ondes électriques |
FR25346D Expired FR25346E (fr) | 1921-01-15 | 1921-09-05 | Perfectionnements apportés aux filtres d'ondes électriques |
FR25922D Expired FR25922E (fr) | 1921-01-15 | 1922-01-12 | Perfectionnements apportés aux filtres d'ondes électriques |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR517686A Expired FR517686A (fr) | 1921-01-15 | 1920-06-23 | Perfectionnements apportés aux filtres d'ondes électriques |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR25922D Expired FR25922E (fr) | 1921-01-15 | 1922-01-12 | Perfectionnements apportés aux filtres d'ondes électriques |
Country Status (5)
Country | Link |
---|---|
US (1) | US1538964A (fr) |
DE (2) | DE464768C (fr) |
FR (3) | FR517686A (fr) |
GB (1) | GB142115A (fr) |
NL (1) | NL11866C (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB475490A (en) * | 1936-02-21 | 1937-11-22 | William Spencer Percival | Improvements in and relating to electric wave filters |
DD106667A1 (de) * | 1973-09-27 | 1974-06-20 | Werner Nessmann | Verfahren zum ausrichten,stabilisieren und orientiertenablegen von an der rundstrickmaschine abgestrickten struempfen und dergleichen warenstuecken sowie vorrichtung zur durchfuehrung des verfahrens |
US8848337B2 (en) | 2011-02-01 | 2014-09-30 | John R. Koza | Signal processing devices having one or more memristors |
-
1920
- 1920-04-21 GB GB11066/20A patent/GB142115A/en not_active Expired
- 1920-05-04 DE DEB93959D patent/DE464768C/de not_active Expired
- 1920-06-23 FR FR517686A patent/FR517686A/fr not_active Expired
- 1920-10-30 NL NL16972A patent/NL11866C/xx active
-
1921
- 1921-01-15 US US437527A patent/US1538964A/en not_active Expired - Lifetime
- 1921-09-05 FR FR25346D patent/FR25346E/fr not_active Expired
-
1922
- 1922-01-12 FR FR25922D patent/FR25922E/fr not_active Expired
- 1922-01-15 DE DEB103155D patent/DE477985C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE464768C (de) | 1928-09-08 |
FR517686A (fr) | 1921-05-10 |
DE477985C (de) | 1929-06-28 |
NL11866C (fr) | 1924-10-15 |
GB142115A (en) | 1921-01-13 |
FR25922E (fr) | 1923-06-22 |
US1538964A (en) | 1925-05-26 |
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