IT992661B - Apparecchiatura elettronica di allarme per la protezione di mac chine contro l avvicinamento incontrollato di persone - Google Patents

Apparecchiatura elettronica di allarme per la protezione di mac chine contro l avvicinamento incontrollato di persone

Info

Publication number
IT992661B
IT992661B IT26900/73A IT2690073A IT992661B IT 992661 B IT992661 B IT 992661B IT 26900/73 A IT26900/73 A IT 26900/73A IT 2690073 A IT2690073 A IT 2690073A IT 992661 B IT992661 B IT 992661B
Authority
IT
Italy
Prior art keywords
uncontrolled
approach
people
protection
alarm equipment
Prior art date
Application number
IT26900/73A
Other languages
English (en)
Original Assignee
Weldgtron 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 Weldgtron Corp filed Critical Weldgtron Corp
Application granted granted Critical
Publication of IT992661B publication Critical patent/IT992661B/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960735—Capacitive touch switches characterised by circuit details
    • H03K2217/96075—Capacitive touch switches characterised by circuit details involving bridge circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
IT26900/73A 1972-07-21 1973-07-20 Apparecchiatura elettronica di allarme per la protezione di mac chine contro l avvicinamento incontrollato di persone IT992661B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27369272A 1972-07-21 1972-07-21
US00370783A US3836828A (en) 1972-07-21 1973-06-18 Electronic protection and sensing apparatus

Publications (1)

Publication Number Publication Date
IT992661B true IT992661B (it) 1975-09-30

Family

ID=26956367

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26900/73A IT992661B (it) 1972-07-21 1973-07-20 Apparecchiatura elettronica di allarme per la protezione di mac chine contro l avvicinamento incontrollato di persone

Country Status (5)

Country Link
US (1) US3836828A (it)
JP (1) JPS4992996A (it)
DE (1) DE2336797A1 (it)
FR (1) FR2194008B3 (it)
IT (1) IT992661B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001536A (en) * 1975-02-14 1977-01-04 Hobart Corporation Microwave oven controls
US4021679A (en) * 1975-10-22 1977-05-03 Fred Bolle Method and apparatus for automatic switching
US4144529A (en) * 1977-05-20 1979-03-13 George B. Miller Remotely responsive motion detector
US4162042A (en) * 1977-05-27 1979-07-24 Graco Inc. Spray gun safety sensor
US4280164A (en) * 1979-07-24 1981-07-21 Ims Ltd. Fail-safe relay system
US4359626A (en) * 1980-03-18 1982-11-16 Potter Bronson M Electric blanket heating control with capacitance sensing
DE3570385D1 (en) * 1984-04-09 1989-06-29 Elektroniktechnologie Get Electronic surveillance and warning device for a manipulator
US4684931A (en) * 1985-05-14 1987-08-04 Sydney Parks Capacitive sensing security system
US5081406A (en) * 1990-06-26 1992-01-14 Saf-T-Margin, Inc. Proximity responsive capacitance sensitive method, system, and associated electrical circuitry for use in controlling mechanical and electro-mechanical equipment
US5796341A (en) * 1995-08-30 1998-08-18 Stratiotis; Gus Safety and security system for work area
ATE225486T1 (de) * 1995-09-25 2002-10-15 Jorn Sorensen Verfahren und vorrichtung zur erfassung der distanz zwischen einem ersten objekt und einem zweiten objekt
WO1998007051A1 (en) * 1996-08-14 1998-02-19 Breed Automotive Technology, Inc. Phase shift detection and measurement circuit for capacitive sensor
US5755923A (en) * 1996-11-26 1998-05-26 Owens-Corning Fiberglas Technology, Inc. Heat seal apparatus
FR2765333B1 (fr) * 1997-06-27 1999-10-01 Canon Kk Procede et dispositif de suivi de la consommation d'un produit, par exemple une encre d'impression, utilisant un filtre passe-bas
ITTO980452A1 (it) * 1998-05-26 1999-11-26 Elvis Sas Di Zannier Gian Carl Dispositivo e metodo di rilevamento della presenza del corpo umano.
US6592067B2 (en) * 2001-02-09 2003-07-15 Georgia-Pacific Corporation Minimizing paper waste carousel-style dispenser apparatus, sensor, method and system with proximity sensor
US7102366B2 (en) 2001-02-09 2006-09-05 Georgia-Pacific Corporation Proximity detection circuit and method of detecting capacitance changes
US20060181834A1 (en) * 2005-02-17 2006-08-17 Gerardo Becerra Knob for trimmer capacitors
WO2007098419A2 (en) * 2006-02-18 2007-08-30 Georgia-Pacific Consumer Products Lp Electronic dispenser for dispensing sheet products
US7878446B2 (en) * 2006-10-20 2011-02-01 Georgia-Pacific Consumer Products Lp Dispenser housing with motorized roller transport
US20090322351A1 (en) * 2008-06-27 2009-12-31 Mcleod Scott C Adaptive Capacitive Sensing
EP3815606A1 (en) * 2019-10-28 2021-05-05 Koninklijke Philips N.V. A sensing unit for measuring stimuli in a body
WO2021101916A1 (en) * 2019-11-18 2021-05-27 Analog Devices, Inc. Bridge-based impedance sensor system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235857A (en) * 1960-09-14 1966-02-15 Specialties Dev Corp Condition responsive system having means responsive to a negative or positive rate of change of a detected signal
US3109893A (en) * 1961-01-03 1963-11-05 Automatic Elect Lab Proximity operated loudspeaking telephone
GB1119936A (en) * 1966-07-01 1968-07-17 Electronic Machine Control Sal Improvements in protection systems and apparatus
US3493954A (en) * 1967-02-01 1970-02-03 Bliss Co Object detection system
US3551919A (en) * 1967-11-17 1971-01-05 American Standard Inc Antenna system for proximity control
US3497995A (en) * 1968-04-19 1970-03-03 Stanley Works Height sensitive proximity door operator system

Also Published As

Publication number Publication date
US3836828A (en) 1974-09-17
DE2336797A1 (de) 1974-01-31
FR2194008B3 (it) 1976-07-09
FR2194008A1 (it) 1974-02-22
JPS4992996A (it) 1974-09-04

Similar Documents

Publication Publication Date Title
IT992661B (it) Apparecchiatura elettronica di allarme per la protezione di mac chine contro l avvicinamento incontrollato di persone
IT956419B (it) Apparato di sicurezza
SE393493B (sv) Dynamoelektrisk maskin
IT985888B (it) Apparecchiatura di gonfiamento
IT1004593B (it) Dispositivo di sopporto mobile soludente la possibilita di rota zione particolarmente per macchine utensili ed apparecchi ottici
IT972096B (it) Apparecchiatura ruotante per la fabbricazione di sacchett
IT956416B (it) Apparecchiatura di sviluppo per macchina di riproduzione elettro statografica
IT997407B (it) Apparecchiatura perimetrale per la rivelazione di intrusioni
IT991697B (it) Apparecchiatura di comunicazioni per ospedali
IT1016023B (it) Macchina per trivellazione ed apparecchio per la sua attua zione
IT977982B (it) Macchina utensile
IT971993B (it) Attrezzatura per macchine utensili
IT978360B (it) Macchina per fusione centrifuga orizzontale
IT959099B (it) Macchina spingitubi per trivella zioni orizzontali
IT990691B (it) Apparecchiatura per la distribuzio ne graduale di particelle partico larmente per macchine elettrostato grafiche
IT989323B (it) Attrezzatura per l isolazione di superfici
IT958372B (it) Apparecchio per la formatura di articoli termoplastici schiumeg gianti
IT998434B (it) Dispositivo di protezione partico larmente per trapanatrici
IT990006B (it) Apparecchiatura di taglio al cannello
SE393233B (sv) Dynamoelektrisk maskin
IT978996B (it) Apparecchiatura per il trattamento di tessuti
IT1062088B (it) Apparecchiatura di sorveglianza di macchine tessili
IT949337B (it) Apparecchiatura di taglio epr mac chine destinate alla lavorazione di pellicole termoplastiche
AT339126B (de) Pokelspritzmaschine
GB1408002A (en) Guarding of machine tools