FR660719A - Perfectionnements apportés au réglage des antennes - Google Patents
Perfectionnements apportés au réglage des antennesInfo
- Publication number
- FR660719A FR660719A FR660719DA FR660719A FR 660719 A FR660719 A FR 660719A FR 660719D A FR660719D A FR 660719DA FR 660719 A FR660719 A FR 660719A
- Authority
- FR
- France
- Prior art keywords
- antenna tuning
- tuning
- antenna
- 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
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/16—Automatic frequency control where the frequency control is accomplished by mechanical means, e.g. by a motor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US212574A US1819904A (en) | 1927-08-12 | 1927-08-12 | Antenna regulator |
Publications (1)
Publication Number | Publication Date |
---|---|
FR660719A true FR660719A (fr) | 1929-07-16 |
Family
ID=22791597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR660719D Expired FR660719A (fr) | 1927-08-12 | 1928-08-11 | Perfectionnements apportés au réglage des antennes |
Country Status (2)
Country | Link |
---|---|
US (1) | US1819904A (fr) |
FR (1) | FR660719A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2474354A (en) * | 1942-05-19 | 1949-06-28 | Patelhold Patentverwertung | Automatic frequency control circuits |
US2498340A (en) * | 1945-01-22 | 1950-02-21 | Rca Corp | Antenna tuning control system |
US2884632A (en) * | 1952-08-06 | 1959-04-28 | Cgs Lab Inc | Antenna tuning system |
US7176840B1 (en) | 2005-04-08 | 2007-02-13 | Michael Peter Kelley | Variable spacing inductance coil apparatus and method |
-
1927
- 1927-08-12 US US212574A patent/US1819904A/en not_active Expired - Lifetime
-
1928
- 1928-08-11 FR FR660719D patent/FR660719A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1819904A (en) | 1931-08-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR660719A (fr) | Perfectionnements apportés au réglage des antennes | |
FR662859A (fr) | Porte-monnaie | |
FR615720A (fr) | Perfectionnement au mécanisme des plansichters | |
FR661398A (fr) | Onguent | |
FR622449A (fr) | Barographe oscillant | |
FR637384A (fr) | Perfectionnements au séchage des cuirs | |
ES93441A1 (es) | Perfeccionamientos en antenas. | |
FR611519A (fr) | Porte-monnaie | |
ES99119A1 (es) | Perfeccionamiento en cinturones. | |
FR645121A (fr) | Aiguisoir | |
ES99328A2 (es) | Mejoras en las alpargatas. | |
ES99470A1 (es) | Perfeccionamientos en las lanzaderas. | |
FR621176A (fr) | Taximètre | |
FR659859A (fr) | Luxmètre portatif | |
AT116600B (de) | Mehrfachbandspinner. | |
ES111067A1 (es) | Perfeccionamientos en antenas. | |
ES104649A1 (es) | Mejoras en o relacionadas con dispositivos de señales oíbles. | |
ES99172A1 (es) | Mejoras en las segadoras-trilladoras. | |
CH131615A (fr) | Fréquencemètre. | |
FR633414A (fr) | Perfectionnement au recaoutchoutage des pneus | |
ES93956A1 (es) | Perfeccionamientos en transportadores. | |
FR634118A (fr) | Taximètre | |
FR32035E (fr) | Taximètre | |
ES104783A1 (es) | Mejoras en o relacionadas con refrigeradoras. | |
ES102451A2 (es) | Perfeccionamientos en telares. |