FR27863E - Perfectionnements aux postes radio-récepteurs - Google Patents
Perfectionnements aux postes radio-récepteursInfo
- Publication number
- FR27863E FR27863E FR27863DA FR27863E FR 27863 E FR27863 E FR 27863E FR 27863D A FR27863D A FR 27863DA FR 27863 E FR27863 E FR 27863E
- Authority
- FR
- France
- Prior art keywords
- receivers
- radio
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US472531A US1434986A (en) | 1921-05-25 | 1921-05-25 | Radioreceiving system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR27863E true FR27863E (fr) | 1924-09-17 |
Family
ID=23875890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR27863D Expired FR27863E (fr) | 1921-05-25 | 1922-05-24 | Perfectionnements aux postes radio-récepteurs |
Country Status (4)
Country | Link |
---|---|
US (1) | US1434986A (fr) |
DE (1) | DE425670C (fr) |
FR (1) | FR27863E (fr) |
GB (1) | GB180683A (fr) |
-
1921
- 1921-05-25 US US472531A patent/US1434986A/en not_active Expired - Lifetime
-
1922
- 1922-05-24 FR FR27863D patent/FR27863E/fr not_active Expired
- 1922-05-25 DE DEG56689D patent/DE425670C/de not_active Expired
- 1922-05-25 GB GB14773/22A patent/GB180683A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB180683A (en) | 1923-01-18 |
US1434986A (en) | 1922-11-07 |
DE425670C (de) | 1926-02-23 |
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