BE513857A - - Google Patents
Info
- Publication number
- BE513857A BE513857A BE513857DA BE513857A BE 513857 A BE513857 A BE 513857A BE 513857D A BE513857D A BE 513857DA BE 513857 A BE513857 A BE 513857A
- Authority
- BE
- Belgium
- Prior art keywords
- indicator
- mechanical waves
- radar
- quartz
- medium frequency
- Prior art date
Links
- 239000010453 quartz Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000001902 propagating effect Effects 0.000 claims 1
- 238000002592 echocardiography Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- RQTDRJMAUKHGHV-UHFFFAOYSA-N P.P.I Chemical compound P.P.I RQTDRJMAUKHGHV-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE513857A true BE513857A (mo) |
Family
ID=151844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE513857D BE513857A (mo) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE513857A (mo) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899546A (en) * | 1954-05-25 | 1959-08-11 | hollmann |
-
0
- BE BE513857D patent/BE513857A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899546A (en) * | 1954-05-25 | 1959-08-11 | hollmann |
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