FR650588A - Shortwave radio signaling systems - Google Patents
Shortwave radio signaling systemsInfo
- Publication number
- FR650588A FR650588A FR650588DA FR650588A FR 650588 A FR650588 A FR 650588A FR 650588D A FR650588D A FR 650588DA FR 650588 A FR650588 A FR 650588A
- Authority
- FR
- France
- Prior art keywords
- signaling systems
- radio signaling
- shortwave radio
- shortwave
- systems
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of ac into dc
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR650588T | 1928-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR650588A true FR650588A (en) | 1929-01-10 |
Family
ID=9004076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR650588D Expired FR650588A (en) | 1928-03-08 | 1928-03-08 | Shortwave radio signaling systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR650588A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2702278A1 (en) * | 1993-03-02 | 1994-09-09 | Gerac | Predominantly electric field simulator, and its application to equipment testing. |
-
1928
- 1928-03-08 FR FR650588D patent/FR650588A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2702278A1 (en) * | 1993-03-02 | 1994-09-09 | Gerac | Predominantly electric field simulator, and its application to equipment testing. |
EP0618454A1 (en) * | 1993-03-02 | 1994-10-05 | Gerac Groupement D'etude Et De Recherche Appliquee A La Compatibilite | Electrical field simulator and its application for equipment testing |
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