DD278905A1 - Sensor zur anwesenheitserkennung von objekten - Google Patents
Sensor zur anwesenheitserkennung von objekten Download PDFInfo
- Publication number
- DD278905A1 DD278905A1 DD88324207A DD32420788A DD278905A1 DD 278905 A1 DD278905 A1 DD 278905A1 DD 88324207 A DD88324207 A DD 88324207A DD 32420788 A DD32420788 A DD 32420788A DD 278905 A1 DD278905 A1 DD 278905A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- impedance
- antenna
- objects
- real part
- sensor
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title abstract description 5
- 230000009466 transformation Effects 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000011109 contamination Methods 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/247—Supports; Mounting means by structural association with other equipment or articles with receiving set with frequency mixer, e.g. for direct satellite reception or Doppler radar
-
- 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
- G01S13/04—Systems determining presence of a target
-
- 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
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD88324207A DD278905A1 (de) | 1988-12-28 | 1988-12-28 | Sensor zur anwesenheitserkennung von objekten |
| DE3938395A DE3938395A1 (de) | 1988-12-28 | 1989-11-18 | Sensor zur anwesenheitserkennung von objekten |
| IT04867789A IT1237257B (it) | 1988-12-28 | 1989-12-20 | Sensore per riconoscere la presenza di oggetti. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD88324207A DD278905A1 (de) | 1988-12-28 | 1988-12-28 | Sensor zur anwesenheitserkennung von objekten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD278905A1 true DD278905A1 (de) | 1990-05-16 |
Family
ID=5605939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD88324207A DD278905A1 (de) | 1988-12-28 | 1988-12-28 | Sensor zur anwesenheitserkennung von objekten |
Country Status (3)
| Country | Link |
|---|---|
| DD (1) | DD278905A1 (it) |
| DE (1) | DE3938395A1 (it) |
| IT (1) | IT1237257B (it) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3106832C2 (de) * | 1981-02-24 | 1984-09-06 | Vilém 8000 München Klir | Mikrowellenstreifenleitungs-Schaltungseinheit für Bewegungsmelder nach dem Doppler-Radarprinzip |
| US4652864A (en) * | 1982-07-26 | 1987-03-24 | Calvin Noel M | Microwave proximity sensor |
-
1988
- 1988-12-28 DD DD88324207A patent/DD278905A1/de not_active IP Right Cessation
-
1989
- 1989-11-18 DE DE3938395A patent/DE3938395A1/de not_active Withdrawn
- 1989-12-20 IT IT04867789A patent/IT1237257B/it active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| IT8948677A0 (it) | 1989-12-20 |
| DE3938395A1 (de) | 1990-07-05 |
| IT1237257B (it) | 1993-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UW | Conversion of economic patent into exclusive patent | ||
| ENJ | Ceased due to non-payment of renewal fee |