NL56782C - - Google Patents
Info
- Publication number
- NL56782C NL56782C NL56782DA NL56782C NL 56782 C NL56782 C NL 56782C NL 56782D A NL56782D A NL 56782DA NL 56782 C NL56782 C NL 56782C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/18—Resonant slot antennas the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2349942X | 1939-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56782C true NL56782C (US08197722-20120612-C00042.png) |
Family
ID=7995266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56782D NL56782C (US08197722-20120612-C00042.png) | 1939-08-22 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2349942A (US08197722-20120612-C00042.png) |
| FR (1) | FR870325A (US08197722-20120612-C00042.png) |
| NL (1) | NL56782C (US08197722-20120612-C00042.png) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2482162A (en) * | 1943-06-05 | 1949-09-20 | Bell Telephone Labor Inc | Directive microwave antenna |
| US2648000A (en) * | 1943-10-02 | 1953-08-04 | Us Navy | Control of wave length in wave guides |
| US2455224A (en) * | 1944-06-16 | 1948-11-30 | Buchwalter Louise | Antenna |
| US2560353A (en) * | 1945-03-16 | 1951-07-10 | Bell Telephone Labor Inc | Cavity resonator |
| US2526675A (en) * | 1945-04-28 | 1950-10-24 | Sperry Corp | Antenna structure |
| US2562332A (en) * | 1945-05-03 | 1951-07-31 | Henry J Riblet | Tilted slot antenna |
| US2703841A (en) * | 1945-08-01 | 1955-03-08 | Edward M Purcell | Antenna |
| US2573746A (en) * | 1945-09-19 | 1951-11-06 | Honorary Advisory Council Sci | Directive antenna for microwaves |
| US2479227A (en) * | 1945-11-06 | 1949-08-16 | Edgar N Gilbert | Dual frequency antenna |
| US2543468A (en) * | 1945-11-06 | 1951-02-27 | Henry J Riblet | Antenna |
| NL72904C (US08197722-20120612-C00042.png) * | 1946-01-16 | |||
| US2487622A (en) * | 1946-02-28 | 1949-11-08 | Rca Corp | Three-phase slot antenna system |
| US2452767A (en) * | 1946-04-02 | 1948-11-02 | John D Kraus | Broad-band antenna |
| US2814039A (en) * | 1946-05-03 | 1957-11-19 | Michael L Watson | Microwave antenna |
| US2626990A (en) * | 1948-05-04 | 1953-01-27 | Bell Telephone Labor Inc | Guided wave frequency range transducer |
| US2724774A (en) * | 1952-06-03 | 1955-11-22 | Rca Corp | Slotted cylinder antenna |
| US2794185A (en) * | 1953-01-06 | 1957-05-28 | Itt | Antenna systems |
| DE1565266A1 (de) * | 1965-06-18 | 1970-02-05 | Fried. Krupp Gmbh, 4300 Essen | Querstrahler |
| US3545001A (en) * | 1968-04-24 | 1970-12-01 | Bendix Corp | Antenna feed comprising dipole array with conductive ground plane |
| US3573835A (en) * | 1969-01-14 | 1971-04-06 | Hughes Aircraft Co | Impedance matched open-ended waveguide array |
| US4803495A (en) * | 1985-01-09 | 1989-02-07 | Raytheon Company | Radio frequency array antenna with energy resistive material |
| SE469540B (sv) * | 1991-11-29 | 1993-07-19 | Ericsson Telefon Ab L M | Vaagledarantenn med slitsade haalrumsvaagledare |
| SE501714C2 (sv) * | 1993-09-06 | 1995-05-02 | Ericsson Telefon Ab L M | Gruppantenn |
-
0
- NL NL56782D patent/NL56782C/xx active
-
1940
- 1940-08-22 US US353755A patent/US2349942A/en not_active Expired - Lifetime
-
1941
- 1941-02-26 FR FR870325D patent/FR870325A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2349942A (en) | 1944-05-30 |
| FR870325A (fr) | 1942-03-09 |
