ES449080A1 - Perfeccionamientos introducidos en un aparato para percibir la presencia de un articulo por medio de una corriente elec-trica inducida por acoplamiento capacitivo entre el articuloy el perceptor. - Google Patents

Perfeccionamientos introducidos en un aparato para percibir la presencia de un articulo por medio de una corriente elec-trica inducida por acoplamiento capacitivo entre el articuloy el perceptor.

Info

Publication number
ES449080A1
ES449080A1 ES449080A ES449080A ES449080A1 ES 449080 A1 ES449080 A1 ES 449080A1 ES 449080 A ES449080 A ES 449080A ES 449080 A ES449080 A ES 449080A ES 449080 A1 ES449080 A1 ES 449080A1
Authority
ES
Spain
Prior art keywords
resistor
voltage
article
sample
signal
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
Application number
ES449080A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OI Glass Inc
Original Assignee
Owens Illinois Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Owens Illinois Inc filed Critical Owens Illinois Inc
Publication of ES449080A1 publication Critical patent/ES449080A1/es
Expired legal-status Critical Current

Links

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)
ES449080A 1975-06-23 1976-06-21 Perfeccionamientos introducidos en un aparato para percibir la presencia de un articulo por medio de una corriente elec-trica inducida por acoplamiento capacitivo entre el articuloy el perceptor. Expired ES449080A1 (es)

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
ES449080A1 true ES449080A1 (es) 1977-11-16

Family

ID=24358837

Family Applications (2)

Application Number Title Priority Date Filing Date
ES449080A Expired ES449080A1 (es) 1975-06-23 1976-06-21 Perfeccionamientos introducidos en un aparato para percibir la presencia de un articulo por medio de una corriente elec-trica inducida por acoplamiento capacitivo entre el articuloy el perceptor.
ES460534A Expired ES460534A1 (es) 1975-06-23 1977-07-08 Un metodo para detectar la presencia de un articulo adyacen-te a un elemento de percepcion metalico por medio de una corriente electrica inducida.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES460534A Expired ES460534A1 (es) 1975-06-23 1977-07-08 Un metodo para detectar la presencia de un articulo adyacen-te a un elemento de percepcion metalico por medio de una corriente electrica inducida.

Country Status (13)

Country Link
US (1) US4004234A (es)
JP (1) JPS523454A (es)
BR (1) BR7604036A (es)
CA (1) CA1054695A (es)
DE (1) DE2626976C2 (es)
ES (2) ES449080A1 (es)
FR (1) FR2315686A1 (es)
GB (1) GB1523827A (es)
GR (1) GR60263B (es)
IT (1) IT1062014B (es)
NL (1) NL185181C (es)
PT (1) PT65252B (es)
ZA (1) ZA762849B (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
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
JPS63502540A (ja) * 1986-01-30 1988-09-22 インテレクト　エレクトロニクス　リミテツド 近接検出装置
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
WO2008118402A1 (en) * 2007-03-28 2008-10-02 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)

* Cited by examiner, † Cited by third party
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 (es) * 1973-01-22 1981-06-01
JPS50142057A (es) * 1974-05-01 1975-11-15

Also Published As

Publication number Publication date
DE2626976A1 (de) 1976-12-30
NL7606762A (nl) 1976-12-27
CA1054695A (en) 1979-05-15
US4004234A (en) 1977-01-18
IT1062014B (it) 1983-06-25
ES460534A1 (es) 1978-06-01
DE2626976C2 (de) 1983-08-25
ZA762849B (en) 1977-12-28
PT65252B (fr) 1977-12-06
GB1523827A (en) 1978-09-06
GR60263B (en) 1978-04-20
PT65252A (fr) 1976-07-01
JPS5742194B2 (es) 1982-09-07
AU1395976A (en) 1977-11-17
JPS523454A (en) 1977-01-11
NL185181B (nl) 1989-09-01
FR2315686A1 (fr) 1977-01-21
FR2315686B1 (es) 1982-02-12
BR7604036A (pt) 1977-07-05
NL185181C (nl) 1990-02-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19981001