DE2211803A1 - Metalldetektor - Google Patents
MetalldetektorInfo
- Publication number
- DE2211803A1 DE2211803A1 DE19722211803 DE2211803A DE2211803A1 DE 2211803 A1 DE2211803 A1 DE 2211803A1 DE 19722211803 DE19722211803 DE 19722211803 DE 2211803 A DE2211803 A DE 2211803A DE 2211803 A1 DE2211803 A1 DE 2211803A1
- Authority
- DE
- Germany
- Prior art keywords
- oscillator
- metal detector
- voltage
- detector according
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims description 25
- 230000003068 static effect Effects 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000000284 resting effect Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- GOHCTCOGYKAJLZ-UHFFFAOYSA-N ctep Chemical compound CC=1N(C=2C=CC(OC(F)(F)F)=CC=2)C(C)=NC=1C#CC1=CC=NC(Cl)=C1 GOHCTCOGYKAJLZ-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/725—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for AC voltages or currents
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
Landscapes
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7110529A FR2130898A5 (enExample) | 1971-03-25 | 1971-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2211803A1 true DE2211803A1 (de) | 1972-10-05 |
Family
ID=9074105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722211803 Pending DE2211803A1 (de) | 1971-03-25 | 1972-03-10 | Metalldetektor |
Country Status (10)
| Country | Link |
|---|---|
| AU (1) | AU4007172A (enExample) |
| BE (1) | BE780477A (enExample) |
| BR (1) | BR7201724D0 (enExample) |
| CH (1) | CH550516A (enExample) |
| DD (1) | DD100582A5 (enExample) |
| DE (1) | DE2211803A1 (enExample) |
| FR (1) | FR2130898A5 (enExample) |
| IT (1) | IT950478B (enExample) |
| LU (2) | LU64904A1 (enExample) |
| NL (1) | NL7203796A (enExample) |
-
0
- LU LU22495D patent/LU22495A1/xx unknown
-
1971
- 1971-03-25 FR FR7110529A patent/FR2130898A5/fr not_active Expired
-
1972
- 1972-03-06 CH CH343672A patent/CH550516A/fr not_active IP Right Cessation
- 1972-03-06 LU LU64904D patent/LU64904A1/xx unknown
- 1972-03-10 DE DE19722211803 patent/DE2211803A1/de active Pending
- 1972-03-10 BE BE780477A patent/BE780477A/xx unknown
- 1972-03-16 AU AU40071/72A patent/AU4007172A/en not_active Expired
- 1972-03-22 IT IT2223272A patent/IT950478B/it active
- 1972-03-22 NL NL7203796A patent/NL7203796A/xx unknown
- 1972-03-24 DD DD16180672A patent/DD100582A5/xx unknown
- 1972-03-24 BR BR172472A patent/BR7201724D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7203796A (enExample) | 1972-09-27 |
| IT950478B (it) | 1973-06-20 |
| FR2130898A5 (enExample) | 1972-11-10 |
| LU64904A1 (enExample) | 1972-07-06 |
| BE780477A (fr) | 1972-07-03 |
| LU22495A1 (enExample) | |
| DD100582A5 (enExample) | 1973-09-20 |
| CH550516A (fr) | 1974-06-14 |
| BR7201724D0 (pt) | 1973-06-07 |
| AU4007172A (en) | 1973-09-20 |
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