NL72302C - - Google Patents
Info
- Publication number
- NL72302C NL72302C NL72302DA NL72302C NL 72302 C NL72302 C NL 72302C NL 72302D A NL72302D A NL 72302DA NL 72302 C NL72302 C NL 72302C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/006—One-port networks comprising only passive electrical elements as network components comprising simultaneously tunable inductance and capacitance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/005—Inductances without magnetic core
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/003—One-port networks comprising only passive electrical elements as network components comprising distributed impedance elements together with lumped impedance elements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH570474X | 1942-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL72302C true NL72302C (US07582779-20090901-C00044.png) |
Family
ID=4520877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72302D NL72302C (US07582779-20090901-C00044.png) | 1942-12-17 |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2606315A (en) * | 1948-08-05 | 1952-08-05 | Aladdin Ind Inc | Tuning inductor |
| DE863373C (de) * | 1950-11-09 | 1953-01-15 | Lorenz C Ag | Schleifvariometer |
| US2669698A (en) * | 1951-04-26 | 1954-02-16 | Collins Radio Co | Radio frequency matching transformer |
| US2765447A (en) * | 1951-11-06 | 1956-10-02 | Du Mont Allen B Lab Inc | Tuning device |
| DE1036339B (de) * | 1954-06-08 | 1958-08-14 | Aladdin Ind Inc | Hochfrequenz-Abstimmelement fuer grosse Bereiche |
| DE1007833B (de) * | 1954-06-21 | 1957-05-09 | Aladdin Ind Inc | Abstimmvorrichtung fuer einen weiten Hochfrequenzbereich |
| DE1266373C2 (de) * | 1964-02-01 | 1973-05-24 | Telefunken Patent | Abstimmeinrichtung fuer mehrere getrennte Frequenzbereiche |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2299571A (en) * | 1942-10-20 | Harmonic transmission system | ||
| US1517570A (en) * | 1921-02-17 | 1924-12-02 | Joseph O Mauborgne | System of radiocommunication |
| US1850914A (en) * | 1928-05-02 | 1932-03-22 | Admiral Ross Bailey | Radio aerial |
| US1893618A (en) * | 1931-06-05 | 1933-01-10 | Gen Motors Radio Corp | Coupling device |
| US1904199A (en) * | 1931-06-27 | 1933-04-18 | Gen Motors Radio Corp | Inductance |
| GB453538A (en) * | 1935-03-16 | 1936-09-14 | Marconi Wireless Telegraph Co | Improvements in or relating to artificial lines for use on radio and other high frequencies |
| US2227846A (en) * | 1935-05-11 | 1941-01-07 | Rca Corp | High frequency coil |
| US2115826A (en) * | 1936-09-30 | 1938-05-03 | Bell Telephone Labor Inc | Impedance transformer |
| US2232042A (en) * | 1936-11-21 | 1941-02-18 | Mackay Radio & Telegraph Co | Inductance element |
| GB519506A (en) * | 1938-11-07 | 1940-03-28 | Gen Electric Co Ltd | Improvements in means for eliminating high frequency oscillations from electric circuits |
| DE748787C (de) * | 1939-01-18 | 1944-11-08 | Als Vierpol geschaltete Laufzeitspule | |
| US2465102A (en) * | 1943-10-04 | 1949-03-22 | Rca Corp | Radio-frequency heating apparatus |
-
0
- NL NL72302D patent/NL72302C/xx active
-
1942
- 1942-12-17 CH CH230818D patent/CH230818A/de unknown
-
1943
- 1943-11-16 GB GB19114/43A patent/GB570474A/en not_active Expired
- 1943-12-17 FR FR900589D patent/FR900589A/fr not_active Expired
-
1946
- 1946-11-02 US US707479A patent/US2522370A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2522370A (en) | 1950-09-12 |
| GB570474A (en) | 1945-07-09 |
| CH230818A (de) | 1944-01-31 |
| FR900589A (fr) | 1945-07-03 |
