NL93757C - - Google Patents
Info
- Publication number
- NL93757C NL93757C NL93757DA NL93757C NL 93757 C NL93757 C NL 93757C NL 93757D A NL93757D A NL 93757DA NL 93757 C NL93757 C NL 93757C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/00006—Changing the frequency
-
- 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
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL729897X | 1952-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL93757C true NL93757C (xx) |
Family
ID=19817931
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL93757D NL93757C (xx) | 1952-11-17 | ||
| NLAANVRAGE7200022,A NL173886B (nl) | 1952-11-17 | Atoomspectraal-analyse. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7200022,A NL173886B (nl) | 1952-11-17 | Atoomspectraal-analyse. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2881421A (xx) |
| BE (1) | BE524310A (xx) |
| DE (1) | DE1003821B (xx) |
| FR (1) | FR1094924A (xx) |
| GB (1) | GB729897A (xx) |
| NL (2) | NL173886B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7466261B1 (en) * | 2006-07-26 | 2008-12-16 | General Electric Company | Method and system for radio detection and ranging intrusion detection system |
| JP5703441B2 (ja) * | 2010-11-16 | 2015-04-22 | パナソニックＩｐマネジメント株式会社 | レーダ装置 |
| US9736845B1 (en) * | 2017-01-03 | 2017-08-15 | Network Performance Research Group Llc | Over the air signaling of dynamic frequency selection (DFS) operating parameters to client devices |
| CN114220255B (zh) * | 2021-12-29 | 2024-05-10 | 宜昌测试技术研究所 | 一种分布式声学设备同步控制系统和方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419525A (en) * | 1942-10-08 | 1947-04-29 | Standard Telephones Cables Ltd | Radio beacon |
| US2627069A (en) * | 1944-01-20 | 1953-01-27 | William A Huber | Dual scanning antenna radar system |
| US2436376A (en) * | 1944-03-31 | 1948-02-24 | Bell Telephone Labor Inc | System for transmitting intelligence |
| US2676317A (en) * | 1945-01-12 | 1954-04-20 | Rca Corp | Pulse echo radar system employing a double channel |
| US2586888A (en) * | 1945-06-13 | 1952-02-26 | Arthur A Varela | Echo ranging and identification system |
| US2605408A (en) * | 1946-01-15 | 1952-07-29 | Millman Jacob | Coordination circuit |
| US2672607A (en) * | 1946-06-10 | 1954-03-16 | Jr James H Mulligan | System for suppressing unwanted recognition signals |
| US2527638A (en) * | 1947-09-26 | 1950-10-31 | Bell Telephone Labor Inc | Pulse skip synchronization of pulse transmission systems |
| US2521789A (en) * | 1948-02-25 | 1950-09-12 | Rca Corp | Frequency control by electronic counter chains |
| US2737853A (en) * | 1949-07-15 | 1956-03-13 | Glenn L Martin Co | Wing mounted defensive units for airplanes |
-
0
- NL NL93757D patent/NL93757C/xx active
- BE BE524310D patent/BE524310A/xx unknown
- NL NLAANVRAGE7200022,A patent/NL173886B/xx unknown
-
1953
- 1953-10-27 US US388570A patent/US2881421A/en not_active Expired - Lifetime
- 1953-11-13 GB GB31526/53A patent/GB729897A/en not_active Expired
- 1953-11-14 DE DEN8032A patent/DE1003821B/de active Pending
- 1953-11-16 FR FR1094924D patent/FR1094924A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB729897A (en) | 1955-05-11 |
| NL173886B (nl) | |
| FR1094924A (fr) | 1955-05-25 |
| DE1003821B (de) | 1957-03-07 |
| US2881421A (en) | 1959-04-07 |
| BE524310A (xx) |