FR27158E - Perfectionnements aux postes radio-récepteurs - Google Patents
Perfectionnements aux postes radio-récepteursInfo
- Publication number
- FR27158E FR27158E FR27158DA FR27158E FR 27158 E FR27158 E FR 27158E FR 27158D A FR27158D A FR 27158DA FR 27158 E FR27158 E FR 27158E
- 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)
- Near-Field Transmission Systems (AREA)
- Floor Finish (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US470712A US1534720A (en) | 1921-05-18 | 1921-05-18 | Radio receiving system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR27158E true FR27158E (fr) | 1924-05-19 |
Family
ID=23868714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR27158D Expired FR27158E (fr) | 1921-05-18 | 1922-05-17 | Perfectionnements aux postes radio-récepteurs |
Country Status (3)
Country | Link |
---|---|
US (1) | US1534720A (fr) |
FR (1) | FR27158E (fr) |
GB (1) | GB180332A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2636164B2 (ja) * | 1993-04-06 | 1997-07-30 | 弘 菊地 | パラメトリック増幅型進行波アンテナ |
-
1921
- 1921-05-18 US US470712A patent/US1534720A/en not_active Expired - Lifetime
-
1922
- 1922-05-17 FR FR27158D patent/FR27158E/fr not_active Expired
- 1922-05-18 GB GB14030/22A patent/GB180332A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1534720A (en) | 1925-04-21 |
GB180332A (en) | 1923-06-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR560421A (fr) | Perfectionnements aux amplificateurs | |
FR535770A (fr) | Perfectionnements aux constructions démontables | |
FR544025A (fr) | Perfectionnements aux arbres vilebrequins | |
FR25476E (fr) | Perfectionnements aux turbo-machines | |
FR540973A (fr) | Adjonction aux saxophones | |
FR559341A (fr) | Perfectionnements aux séléno-radio-dosimètre | |
FR27158E (fr) | Perfectionnements aux postes radio-récepteurs | |
FR534100A (fr) | Perfectionnements apportés aux pipes | |
FR560571A (fr) | Perfectionnements aux gazogènes | |
FR541378A (fr) | Perfectionnements aux charrues | |
FR559620A (fr) | Perfectionnements aux lapidaires | |
FR547254A (fr) | Perfectionnements aux débouchoirs | |
FR25944E (fr) | Perfectionnements aux postes radio-récepteurs | |
FR541145A (fr) | Perfectionnements aux | |
FR539358A (fr) | Perfectionnements aux aéromoteurs | |
FR535855A (fr) | Perfectionnements aux dégauchisseuses-raboteuses | |
FR27863E (fr) | Perfectionnements aux postes radio-récepteurs | |
FR25949E (fr) | Perfectionnements aux postes radio-récepteurs | |
FR536577A (fr) | Perfectionnements aux crics | |
FR25860E (fr) | Perfectionnements aux turbomachines | |
FR535868A (fr) | Perfectionnements aux isolateurs | |
FR544181A (fr) | Perfectionnements aux balayeuses | |
FR541452A (fr) | Perfectionnements apportés aux niveaux | |
FR541493A (fr) | Perfectionnements aux éleveuses | |
FR535957A (fr) | Perfectionnements aux raboteuses |