FR949926A - Perfectionnements aux filtres d'ondes - Google Patents
Perfectionnements aux filtres d'ondesInfo
- Publication number
- FR949926A FR949926A FR949926DA FR949926A FR 949926 A FR949926 A FR 949926A FR 949926D A FR949926D A FR 949926DA FR 949926 A FR949926 A FR 949926A
- Authority
- FR
- France
- Prior art keywords
- wave filters
- filters
- wave
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/40—Artificial lines; Networks simulating a line of certain length
-
- 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
- H03H7/1766—Parallel 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
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR949926T | 1946-04-12 | ||
FR56181T | 1946-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR949926A true FR949926A (fr) | 1949-09-13 |
Family
ID=26182854
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR949926D Expired FR949926A (fr) | 1946-04-12 | 1945-08-23 | Perfectionnements aux filtres d'ondes |
FR56181D Expired FR56181E (fr) | 1946-04-12 | 1946-04-12 | Perfectionnements aux filtres d'ondes |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR56181D Expired FR56181E (fr) | 1946-04-12 | 1946-04-12 | Perfectionnements aux filtres d'ondes |
Country Status (6)
Country | Link |
---|---|
US (1) | US2591838A (fr) |
BE (1) | BE472464A (fr) |
CH (1) | CH272086A (fr) |
FR (2) | FR949926A (fr) |
GB (1) | GB646564A (fr) |
NL (1) | NL77931C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2696591A (en) * | 1950-12-28 | 1954-12-07 | Cie Ind Des Telephones | Lattice-type reactive quadripoles |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE506427A (fr) * | 1950-10-17 | |||
NL170280B (nl) * | 1952-05-08 | Khachik Egorovich Khcheyan Olg | Werkwijze ter bereiding van acrylonitrile uit acetonitrile en methaan. | |
BE524821A (fr) * | 1952-12-05 | |||
US2980872A (en) * | 1958-06-13 | 1961-04-18 | Hughes Aircraft Co | Bandpass filters |
US3286206A (en) * | 1963-04-24 | 1966-11-15 | Kabushikikaisha Taiko Denki Se | Active cr two-terminal circuit |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1996504A (en) * | 1933-04-12 | 1935-04-02 | Bell Telephone Labor Inc | Wave filter |
US2037171A (en) * | 1933-06-23 | 1936-04-14 | Bell Telephone Labor Inc | Wave filter |
US2115138A (en) * | 1935-03-20 | 1938-04-26 | Bell Telephone Labor Inc | Wave transmission network |
US2222417A (en) * | 1938-09-24 | 1940-11-19 | Bell Telephone Labor Inc | Wave filter |
-
0
- BE BE472464D patent/BE472464A/xx unknown
- NL NL77931D patent/NL77931C/xx active
-
1945
- 1945-08-23 FR FR949926D patent/FR949926A/fr not_active Expired
-
1946
- 1946-04-12 FR FR56181D patent/FR56181E/fr not_active Expired
- 1946-07-12 CH CH272086D patent/CH272086A/fr unknown
- 1946-09-17 GB GB27870/46A patent/GB646564A/en not_active Expired
-
1947
- 1947-02-05 US US726503A patent/US2591838A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2696591A (en) * | 1950-12-28 | 1954-12-07 | Cie Ind Des Telephones | Lattice-type reactive quadripoles |
Also Published As
Publication number | Publication date |
---|---|
FR56181E (fr) | 1952-09-18 |
NL77931C (fr) | |
GB646564A (en) | 1950-11-22 |
CH272086A (fr) | 1950-11-30 |
BE472464A (fr) | |
US2591838A (en) | 1952-04-08 |
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