IT990245B - Perfezionamento nei dispositivi ri velatori di presenza con capacita di discriminazione tra esseri viven ti e oggetti inanimati - Google Patents

Perfezionamento nei dispositivi ri velatori di presenza con capacita di discriminazione tra esseri viven ti e oggetti inanimati

Info

Publication number
IT990245B
IT990245B IT52008/73A IT5200873A IT990245B IT 990245 B IT990245 B IT 990245B IT 52008/73 A IT52008/73 A IT 52008/73A IT 5200873 A IT5200873 A IT 5200873A IT 990245 B IT990245 B IT 990245B
Authority
IT
Italy
Prior art keywords
velator
discrimination
improvement
capacity
devices
Prior art date
Application number
IT52008/73A
Other languages
English (en)
Italian (it)
Original Assignee
Wagner Electric Corp
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 Wagner Electric Corp filed Critical Wagner Electric Corp
Application granted granted Critical
Publication of IT990245B publication Critical patent/IT990245B/it

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
IT52008/73A 1972-08-14 1973-08-13 Perfezionamento nei dispositivi ri velatori di presenza con capacita di discriminazione tra esseri viven ti e oggetti inanimati IT990245B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28021972A 1972-08-14 1972-08-14

Publications (1)

Publication Number Publication Date
IT990245B true IT990245B (it) 1975-06-20

Family

ID=23072165

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52008/73A IT990245B (it) 1972-08-14 1973-08-13 Perfezionamento nei dispositivi ri velatori di presenza con capacita di discriminazione tra esseri viven ti e oggetti inanimati

Country Status (7)

Country Link
US (1) US3801799A (fr)
JP (1) JPS4959277A (fr)
CA (1) CA1008145A (fr)
DE (1) DE2341161A1 (fr)
FR (1) FR2196492A1 (fr)
GB (1) GB1411683A (fr)
IT (1) IT990245B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264072A (en) * 1978-05-26 1981-04-28 Chalmers John E Electronic game apparatus
US4378504A (en) * 1980-03-25 1983-03-29 Omron Tateisi Electronics Co. Proximity switch
GB2131552B (en) * 1982-11-26 1986-12-31 Atomic Energy Authority Uk Non-destructive testing using eddy-currents
CH672383A5 (fr) * 1986-10-29 1989-11-15 Baumer Electric Ag
JPH06249963A (ja) * 1993-02-25 1994-09-09 Asanumagumi:Kk 物体検出装置
US5832772A (en) * 1995-01-27 1998-11-10 The Regents Of The University Of California Micropower RF material proximity sensor
US6446012B1 (en) 1999-06-23 2002-09-03 Bfcs Technology, Inc. Proximity detector for hard-to-detect materials
US7057393B2 (en) * 2000-12-06 2006-06-06 Massachusetts Institute Of Technology System and method for measuring the dielectric strength of a fluid
US7035608B2 (en) * 2001-03-16 2006-04-25 Aura Communications Technology, Inc. Methods and apparatus for tuning in an inductive system
DE10315845B4 (de) * 2003-04-08 2005-10-06 Wolfgang Richter System, Systemkomponenten und Verfahren zur Abwicklung eines hermetisch validierbaren Datentransfers
US7034562B2 (en) * 2004-05-19 2006-04-25 Advantest Corporation Oscillation detecting apparatus and test apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3255380A (en) * 1961-09-11 1966-06-07 Tung Sol Electric Inc Touch responsive circuit for control of a load
US3201774A (en) * 1962-12-26 1965-08-17 Tateisi Denki Kabushikikaisha Electrical sensing apparatus
US3200306A (en) * 1963-09-12 1965-08-10 Tung Sol Electric Inc Touch responsive circuit
US3199033A (en) * 1964-08-10 1965-08-03 Tung Sol Electric Inc Condition responsive circuits with plural output of relaxation oscillator balanced
US3324647A (en) * 1964-08-11 1967-06-13 Parmet Company Proximity detector
US3492542A (en) * 1967-02-17 1970-01-27 Wagner Electric Corp Single touch capacity switch

Also Published As

Publication number Publication date
GB1411683A (en) 1975-10-29
DE2341161A1 (de) 1974-02-28
FR2196492A1 (fr) 1974-03-15
US3801799A (en) 1974-04-02
CA1008145A (en) 1977-04-05
JPS4959277A (fr) 1974-06-08

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