FR748673A - Improvements to wireless telegraphy transmitters - Google Patents
Improvements to wireless telegraphy transmittersInfo
- Publication number
- FR748673A FR748673A FR748673DA FR748673A FR 748673 A FR748673 A FR 748673A FR 748673D A FR748673D A FR 748673DA FR 748673 A FR748673 A FR 748673A
- Authority
- FR
- France
- Prior art keywords
- transmitters
- wireless telegraphy
- telegraphy
- wireless
- telegraphy transmitters
- 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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR748673T | 1932-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR748673A true FR748673A (en) | 1933-07-07 |
Family
ID=9148603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR748673D Expired FR748673A (en) | 1932-03-31 | 1932-03-31 | Improvements to wireless telegraphy transmitters |
Country Status (2)
Country | Link |
---|---|
US (1) | US1997075A (en) |
FR (1) | FR748673A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE755068C (en) * | 1935-10-25 | 1953-12-21 | Lorenz C Ag | Ultra-short wave transmitter which is connected to a radiator structure arranged in front of a reflection structure via a power line several ª ™ / 4 long |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2416252A (en) * | 1944-01-15 | 1947-02-18 | Hartford Nat Bank & Trust Comp | Antenna system |
-
1932
- 1932-03-31 FR FR748673D patent/FR748673A/en not_active Expired
-
1933
- 1933-03-29 US US663391A patent/US1997075A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE755068C (en) * | 1935-10-25 | 1953-12-21 | Lorenz C Ag | Ultra-short wave transmitter which is connected to a radiator structure arranged in front of a reflection structure via a power line several ª ™ / 4 long |
Also Published As
Publication number | Publication date |
---|---|
US1997075A (en) | 1935-04-09 |
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