NL70678C - - Google Patents
Info
- Publication number
- NL70678C NL70678C NL121531A NL121531A NL70678C NL 70678 C NL70678 C NL 70678C NL 121531 A NL121531 A NL 121531A NL 121531 A NL121531 A NL 121531A NL 70678 C NL70678 C NL 70678C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/39—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by esterified hydroxy groups
- C07C205/42—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by esterified hydroxy groups having nitro groups or esterified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C205/43—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by esterified hydroxy groups having nitro groups or esterified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/49—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
- C07C205/57—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
- G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
- G01S7/10—Providing two-dimensional and co-ordinated display of distance and direction
- G01S7/12—Plan-position indicators, i.e. P.P.I.
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
- G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
- G01S7/22—Producing cursor lines and indicia by electronic means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR922081X | 1943-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL70678C true NL70678C (xx) | 1952-09-15 |
Family
ID=9437748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL121531A NL70678C (xx) | 1943-11-26 | 1945-10-13 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE459247A (xx) |
CH (3) | CH253186A (xx) |
DE (1) | DE922081C (xx) |
FR (4) | FR986626A (xx) |
GB (2) | GB627749A (xx) |
NL (1) | NL70678C (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2751586A (en) * | 1950-11-22 | 1956-06-19 | Raytheon Mfg Co | Signal-wave transmission systems |
CA525006A (en) * | 1952-08-27 | 1956-05-15 | H. Naidich Herbert | Precision angle marker generator |
MD4154C1 (ro) * | 2010-03-16 | 2012-10-31 | Еуджен МОРАРУ | Sistem de determinare a amplasamentului paraşutelor decuplate |
CN108320525A (zh) * | 2018-03-26 | 2018-07-24 | 江苏省交通技师学院 | 一种环形线圈检测*** |
CN109001684A (zh) * | 2018-06-11 | 2018-12-14 | 中国电子科技集团公司第三十八研究所 | 一种适用于连续波测量雷达的天线座*** |
-
1943
- 1943-11-26 FR FR986626D patent/FR986626A/fr not_active Expired
-
1944
- 1944-12-21 CH CH253186D patent/CH253186A/de unknown
- 1944-12-21 CH CH248345D patent/CH248345A/de unknown
-
1945
- 1945-06-15 GB GB13610/48A patent/GB627749A/en not_active Expired
- 1945-06-15 GB GB15318/45A patent/GB627690A/en not_active Expired
- 1945-07-02 CH CH253986D patent/CH253986A/fr unknown
- 1945-07-07 BE BE459247D patent/BE459247A/xx unknown
- 1945-10-13 NL NL121531A patent/NL70678C/xx active
- 1945-12-20 FR FR919195D patent/FR919195A/fr not_active Expired
- 1945-12-20 FR FR919194D patent/FR919194A/fr not_active Expired
-
1946
- 1946-05-27 FR FR56536D patent/FR56536E/fr not_active Expired
-
1950
- 1950-10-03 DE DEC4670A patent/DE922081C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR56536E (xx) | 1952-09-26 |
GB627690A (en) | 1949-08-15 |
CH253186A (de) | 1948-02-15 |
CH248345A (de) | 1947-04-30 |
FR919195A (fr) | 1947-02-28 |
CH253986A (fr) | 1948-04-15 |
FR919194A (fr) | 1947-02-28 |
BE459247A (xx) | 1945-08-31 |
FR986626A (fr) | 1951-08-02 |
DE922081C (de) | 1955-01-07 |
GB627749A (en) | 1949-08-15 |