BE388692A - - Google Patents
Info
- Publication number
- BE388692A BE388692A BE388692DA BE388692A BE 388692 A BE388692 A BE 388692A BE 388692D A BE388692D A BE 388692DA BE 388692 A BE388692 A BE 388692A
- Authority
- BE
- Belgium
- Prior art keywords
- needle
- recording apparatus
- strip
- electromagnet
- perforating device
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002604 ultrasonography Methods 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
- 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
- G01S1/72—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 ultrasonic, sonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Recording Measured Values (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE388692A true BE388692A (forum.php) |
Family
ID=56932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE388692D BE388692A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE388692A (forum.php) |
-
0
- BE BE388692D patent/BE388692A/fr unknown
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