FR57510E - Electric wave filters - Google Patents
Electric wave filtersInfo
- Publication number
- FR57510E FR57510E FR57510DA FR57510E FR 57510 E FR57510 E FR 57510E FR 57510D A FR57510D A FR 57510DA FR 57510 E FR57510 E FR 57510E
- Authority
- FR
- France
- Prior art keywords
- electric wave
- wave filters
- filters
- electric
- 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
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/002—N-path filters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US649064A US2485567A (en) | 1946-02-20 | 1946-02-20 | Multiple frequency filter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR57510E true FR57510E (en) | 1953-01-29 |
Family
ID=24603311
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR945651D Expired FR945651A (en) | 1946-02-20 | 1947-04-24 | Electric wave filters |
FR57510D Expired FR57510E (en) | 1946-02-20 | 1947-08-07 | Electric wave filters |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR945651D Expired FR945651A (en) | 1946-02-20 | 1947-04-24 | Electric wave filters |
Country Status (3)
Country | Link |
---|---|
US (1) | US2485567A (en) |
ES (1) | ES178570A1 (en) |
FR (2) | FR945651A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2964704A (en) * | 1955-02-28 | 1960-12-13 | Raytheon Co | Electrical frequency analyzer and commutator therefor |
NL275526A (en) * | 1961-03-30 | |||
US3243703A (en) * | 1962-05-24 | 1966-03-29 | Gen Electric | Interpolative scanner using scanned electron discharge devices having overlapping conducting intervals |
US3469213A (en) * | 1967-05-16 | 1969-09-23 | United Aircraft Corp | Dynamic transfer networks |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1851092A (en) * | 1927-06-21 | 1932-03-29 | American Telephone & Telegraph | Transmission delay circuits |
US2430038A (en) * | 1943-10-05 | 1947-11-04 | Bell Telephone Labor Inc | Cathode-ray device for improving signal-to-noise ratio in radar systems |
-
1946
- 1946-02-20 US US649064A patent/US2485567A/en not_active Expired - Lifetime
-
1947
- 1947-04-24 FR FR945651D patent/FR945651A/en not_active Expired
- 1947-06-20 ES ES0178570A patent/ES178570A1/en not_active Expired
- 1947-08-07 FR FR57510D patent/FR57510E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES178570A1 (en) | 1947-08-16 |
FR945651A (en) | 1949-05-11 |
US2485567A (en) | 1949-10-25 |
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