CA1054695A - Article presence sensor - Google Patents
Article presence sensorInfo
- Publication number
- CA1054695A CA1054695A CA252570A CA252570A CA1054695A CA 1054695 A CA1054695 A CA 1054695A CA 252570 A CA252570 A CA 252570A CA 252570 A CA252570 A CA 252570A CA 1054695 A CA1054695 A CA 1054695A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- electronic
- article
- peak
- resistor
- 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.)
- Expired
Links
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000004044 response Effects 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims 6
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 25
- 239000011521 glass Substances 0.000 description 6
- 238000007689 inspection Methods 0.000 description 5
- 230000001808 coupling effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 241000763212 Lype Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000009966 trimming Methods 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
- H03K17/945—Proximity switches
- H03K17/955—Proximity switches using a capacitive detector
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Electronic Switches (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/589,633 US4004234A (en) | 1975-06-23 | 1975-06-23 | Article presence sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1054695A true CA1054695A (en) | 1979-05-15 |
Family
ID=24358837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA252570A Expired CA1054695A (en) | 1975-06-23 | 1976-05-14 | Article presence sensor |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4004234A (enExample) |
| JP (1) | JPS523454A (enExample) |
| BR (1) | BR7604036A (enExample) |
| CA (1) | CA1054695A (enExample) |
| DE (1) | DE2626976C2 (enExample) |
| ES (2) | ES449080A1 (enExample) |
| FR (1) | FR2315686A1 (enExample) |
| GB (1) | GB1523827A (enExample) |
| GR (1) | GR60263B (enExample) |
| IT (1) | IT1062014B (enExample) |
| NL (1) | NL185181C (enExample) |
| PT (1) | PT65252B (enExample) |
| ZA (1) | ZA762849B (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5425446A (en) * | 1977-07-26 | 1979-02-26 | Mitsubishi Electric Corp | Blushless exciter protective device |
| US4345167A (en) * | 1978-07-14 | 1982-08-17 | Calvin Noel M | Capacitance proximity sensor |
| US4334192A (en) * | 1979-01-29 | 1982-06-08 | Garrett Electronics | Metal detector circuit having automatic tuning with multiple rates |
| US4303879A (en) * | 1979-01-29 | 1981-12-01 | Garrett Electronics | Metal detector circuit with mode selection and automatic tuning |
| SE423639B (sv) * | 1980-04-21 | 1982-05-17 | Betong Sabema Ab A | Med relsmellanleggsplatta av elastomert material forsett betongsliperblock och sett for dess framstellning |
| US4470046A (en) * | 1982-02-02 | 1984-09-04 | E. I. Du Pont De Nemours And Company | Capacitively coupled machine tool safety system having a digital quantizer |
| US4434575A (en) | 1982-09-29 | 1984-03-06 | Pearson Arthur W | Marine trap sensing system |
| DE3434940A1 (de) * | 1984-09-22 | 1986-04-03 | Heinrich 6090 Rüsselsheim Jores | Kapazitiver annaeherungssensor hoher ansprechempfindlichkeit zur schaltsignalabgabe bei anwesenheit eines objekts innerhalb seines einstellbaren nennabstandbereichs und zur messung bzw. regelung des sensor-objektabstands bei vorgegebenem nennabstand als bezugsgroesse |
| GB8426010D0 (en) * | 1984-10-15 | 1984-11-21 | Memco Med Ltd | Automatic control |
| US5063306A (en) * | 1986-01-30 | 1991-11-05 | Intellect Electronics Ltd. | Proximity sensing device |
| JPS62253212A (ja) * | 1986-04-18 | 1987-11-05 | Fujitsu Ltd | 周波数逓倍回路 |
| US4804054A (en) * | 1987-06-01 | 1989-02-14 | Intelligent Medicine, Inc. | Device and method for precise subcutaneous placement of a medical instrument |
| GB2279757B (en) * | 1990-11-16 | 1995-06-07 | Moonstone Technology Ltd | Device for determining the presence and/or characteristics of an object or a substance |
| US5605348A (en) * | 1993-11-03 | 1997-02-25 | Trw Vehicle Safety Systems Inc. | Method and apparatus for sensing a rearward facing child seat |
| US5454591A (en) * | 1993-11-03 | 1995-10-03 | Trw Vehicle Safety Systems Inc. | Method and apparatus for sensing a rearward facing child restraining seat |
| US5783871A (en) * | 1996-09-24 | 1998-07-21 | Trw Inc. | Apparatus and method for sensing a rearward facing child seat |
| US8025668B2 (en) * | 2005-04-28 | 2011-09-27 | C. R. Bard, Inc. | Medical device removal system |
| JP4972742B2 (ja) * | 2006-10-17 | 2012-07-11 | 国立大学法人九州工業大学 | 高域信号補間方法及び高域信号補間装置 |
| CA2675417C (en) * | 2007-03-28 | 2015-10-13 | Masco Corporation Of Indiana | Improved capacitive touch sensor |
| CN104703312B (zh) * | 2015-03-16 | 2017-01-04 | 昂宝电子（上海）有限公司 | 用于电磁炉的控制电路和控制方法、及其电磁炉 |
| CN109781153B (zh) | 2018-12-17 | 2020-08-11 | 北京理工大学 | 物理参数估计方法、装置和电子设备 |
| CN110363471A (zh) * | 2019-06-28 | 2019-10-22 | 浙江优纳特科学仪器有限公司 | 库存管理方法和系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3313409A (en) * | 1964-02-07 | 1967-04-11 | Owens Illinois Inc | Apparatus for inspecting glassware |
| US3331969A (en) * | 1964-10-08 | 1967-07-18 | Plastic Applicators | Circuit for reproduction of a plurality of similar low-level d.c. signals |
| US3668660A (en) * | 1970-12-16 | 1972-06-06 | Plessey Handel Investment Ag | Touch wire displays |
| US3644752A (en) * | 1971-01-08 | 1972-02-22 | Phillips Petroleum Co | Analog output circuit |
| US3829850A (en) * | 1971-12-17 | 1974-08-13 | Tyco Laboratories Inc | Proximity detector |
| US3789215A (en) * | 1972-09-08 | 1974-01-29 | Ibm | Photosensitive document detector with automatic compensation |
| US3778807A (en) * | 1972-12-13 | 1973-12-11 | Eg & G Inc | Capacitive intrusion detection system with balanced resonant circuits |
| JPS5623536B2 (enExample) * | 1973-01-22 | 1981-06-01 | ||
| JPS50142057A (enExample) * | 1974-05-01 | 1975-11-15 |
-
1975
- 1975-06-23 US US05/589,633 patent/US4004234A/en not_active Expired - Lifetime
-
1976
- 1976-05-11 GR GR50691A patent/GR60263B/el unknown
- 1976-05-13 ZA ZA762849A patent/ZA762849B/xx unknown
- 1976-05-14 CA CA252570A patent/CA1054695A/en not_active Expired
- 1976-06-10 IT IT49891/76A patent/IT1062014B/it active
- 1976-06-14 FR FR7617987A patent/FR2315686A1/fr active Granted
- 1976-06-16 DE DE2626976A patent/DE2626976C2/de not_active Expired
- 1976-06-21 ES ES449080A patent/ES449080A1/es not_active Expired
- 1976-06-22 PT PT65252A patent/PT65252B/pt unknown
- 1976-06-22 NL NLAANVRAGE7606762,A patent/NL185181C/xx not_active IP Right Cessation
- 1976-06-22 GB GB25874/76A patent/GB1523827A/en not_active Expired
- 1976-06-22 BR BR7604036A patent/BR7604036A/pt unknown
- 1976-06-23 JP JP51073401A patent/JPS523454A/ja active Granted
-
1977
- 1977-07-08 ES ES460534A patent/ES460534A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| PT65252A (fr) | 1976-07-01 |
| GR60263B (en) | 1978-04-20 |
| ES449080A1 (es) | 1977-11-16 |
| NL185181B (nl) | 1989-09-01 |
| IT1062014B (it) | 1983-06-25 |
| ZA762849B (en) | 1977-12-28 |
| JPS523454A (en) | 1977-01-11 |
| FR2315686A1 (fr) | 1977-01-21 |
| DE2626976A1 (de) | 1976-12-30 |
| JPS5742194B2 (enExample) | 1982-09-07 |
| BR7604036A (pt) | 1977-07-05 |
| GB1523827A (en) | 1978-09-06 |
| DE2626976C2 (de) | 1983-08-25 |
| PT65252B (fr) | 1977-12-06 |
| FR2315686B1 (enExample) | 1982-02-12 |
| NL185181C (nl) | 1990-02-01 |
| ES460534A1 (es) | 1978-06-01 |
| US4004234A (en) | 1977-01-18 |
| AU1395976A (en) | 1977-11-17 |
| NL7606762A (nl) | 1976-12-27 |
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