NL162793C - LARGE BANDWIDTH AERIAL IN MAIN CASE FOR AT LEAST TWO FREQUENCY BANDS. - Google Patents
LARGE BANDWIDTH AERIAL IN MAIN CASE FOR AT LEAST TWO FREQUENCY BANDS.Info
- Publication number
- NL162793C NL162793C NL6806942.A NL6806942A NL162793C NL 162793 C NL162793 C NL 162793C NL 6806942 A NL6806942 A NL 6806942A NL 162793 C NL162793 C NL 162793C
- Authority
- NL
- Netherlands
- Prior art keywords
- aerial
- frequency bands
- main case
- large bandwidth
- bandwidth
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/48—Combinations of two or more dipole type antennas
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3195867 | 1967-05-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6806942A NL6806942A (en) | 1968-11-19 |
NL162793B NL162793B (en) | 1980-01-15 |
NL162793C true NL162793C (en) | 1980-06-16 |
Family
ID=12345453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6806942.A NL162793C (en) | 1967-05-18 | 1968-05-16 | LARGE BANDWIDTH AERIAL IN MAIN CASE FOR AT LEAST TWO FREQUENCY BANDS. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3509575A (en) |
DE (1) | DE1766285B2 (en) |
FR (1) | FR1563543A (en) |
GB (1) | GB1180866A (en) |
NL (1) | NL162793C (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5441190B2 (en) * | 1972-12-31 | 1979-12-07 | ||
US4812855A (en) * | 1985-09-30 | 1989-03-14 | The Boeing Company | Dipole antenna with parasitic elements |
DE4321703A1 (en) * | 1993-06-30 | 1995-01-12 | Philips Patentverwaltung | Arrangement for changing the tape tension in a magnetic tape apparatus |
US9059512B2 (en) * | 2012-09-24 | 2015-06-16 | Electronics And Telecommunications Research Institute | Radio communication antenna and radio communication device |
US10389015B1 (en) * | 2016-07-14 | 2019-08-20 | Mano D. Judd | Dual polarization antenna |
US20180294567A1 (en) * | 2017-04-06 | 2018-10-11 | The Charles Stark Draper Laboratory, Inc. | Patch antenna system with parasitic edge-aligned elements |
CN110161528B (en) * | 2019-06-10 | 2022-07-19 | 中国科学院光电技术研究所 | Fire scene complex environment laser three-dimensional imaging method based on optical coherence tomography |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE24413E (en) * | 1955-09-12 | 1958-01-07 | Radio frequency antennas- |
-
1968
- 1968-04-30 DE DE19681766285 patent/DE1766285B2/en active Pending
- 1968-05-09 US US727847A patent/US3509575A/en not_active Expired - Lifetime
- 1968-05-16 NL NL6806942.A patent/NL162793C/en active
- 1968-05-17 FR FR1563543D patent/FR1563543A/fr not_active Expired
- 1968-05-17 GB GB23706/68A patent/GB1180866A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1766285B2 (en) | 1973-03-01 |
NL6806942A (en) | 1968-11-19 |
DE1766285A1 (en) | 1972-03-16 |
GB1180866A (en) | 1970-02-11 |
NL162793B (en) | 1980-01-15 |
US3509575A (en) | 1970-04-28 |
FR1563543A (en) | 1969-04-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI48403C (en) | Transportable cutting saw. | |
NL162793C (en) | LARGE BANDWIDTH AERIAL IN MAIN CASE FOR AT LEAST TWO FREQUENCY BANDS. | |
FI48307C (en) | Knife separator. | |
CA773017A (en) | Cut card continuous forms | |
CA769704A (en) | Hop extract emulsions | |
AT276186B (en) | Equipment, especially on roller skates | |
ES135944Y (en) | AN ANTENNA FOR TELEVISION. | |
CA765640A (en) | Punching apparatus | |
ES128490Y (en) | TABLE FOR TELEVISION RECEIVING DEVICES. | |
CA765246A (en) | Variable cut dicer-slicer | |
ES135296Y (en) | TWO-WAY SEPARATOR, RECESSED, FOR RADIO AND TELEVISION. | |
AU420376B2 (en) | Land clearing blade | |
CA763525A (en) | Multiband tunable circuit | |
FR1538589A (en) | U.h.f. television antenna | |
ES127260Y (en) | MEGAPHONE EQUIPMENT FOR AERIAL ADVERTISING. | |
ES129670Y (en) | CUTTING APPARATUS. | |
CA757150A (en) | Multicoupler system utilizing tunable trap | |
BG15044A3 (en) | PERFORATOR FOR PUNCH BANDS | |
CA770759A (en) | Variable bandwidth resonant circuit | |
ES129122Y (en) | APPARATUS FOR CUTTING VEGETABLES. | |
ES130481Y (en) | PERFECTED CONDUCTOR FOR TELEVISION ANTENNAS. | |
ES129098Y (en) | FRUIT CUTTING DEVICE. | |
CA771316A (en) | Frequency multiplier | |
CA767924A (en) | Cutting apparatus | |
CA758408A (en) | Cutting apparatus |