GB9008870D0 - Proximity detector - Google Patents

Proximity detector

Info

Publication number
GB9008870D0
GB9008870D0 GB9008870A GB9008870A GB9008870D0 GB 9008870 D0 GB9008870 D0 GB 9008870D0 GB 9008870 A GB9008870 A GB 9008870A GB 9008870 A GB9008870 A GB 9008870A GB 9008870 D0 GB9008870 D0 GB 9008870D0
Authority
GB
United Kingdom
Prior art keywords
proximity detector
proximity
detector
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.)
Withdrawn
Application number
GB9008870A
Other versions
GB2243217A (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.)
Formula Systems Ltd
Original Assignee
Formula Systems Ltd
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 Formula Systems Ltd filed Critical Formula Systems Ltd
Priority to GB9008870A priority Critical patent/GB2243217A/en
Publication of GB9008870D0 publication Critical patent/GB9008870D0/en
Publication of GB2243217A publication Critical patent/GB2243217A/en
Withdrawn legal-status Critical Current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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
    • B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
    • 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
    • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/46—Detection using safety edges responsive to changes in electrical capacitance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators
    • 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
GB9008870A 1990-04-20 1990-04-20 Proximity detector for use on doors Withdrawn GB2243217A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9008870A GB2243217A (en) 1990-04-20 1990-04-20 Proximity detector for use on doors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9008870A GB2243217A (en) 1990-04-20 1990-04-20 Proximity detector for use on doors

Publications (2)

Publication Number Publication Date
GB9008870D0 true GB9008870D0 (en) 1990-06-20
GB2243217A GB2243217A (en) 1991-10-23

Family

ID=10674705

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9008870A Withdrawn GB2243217A (en) 1990-04-20 1990-04-20 Proximity detector for use on doors

Country Status (1)

Country Link
GB (1) GB2243217A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279750A (en) * 1993-07-10 1995-01-11 Paul Thomas Ryan Capacitive proximity sensor
AU4724097A (en) * 1996-10-25 1998-05-22 Ryochi Kato Safety device for elevator door
US6307384B2 (en) 1999-01-07 2001-10-23 Honeywell International Inc. Micropower capacitance-based proximity sensor
EP1277907A3 (en) * 2001-03-28 2004-03-10 Company for Technology Transfer and Patents (Sark-Kistner) Anti-nipping device for power operated parts, in particular for automatic sliding doors
US6750624B2 (en) * 2001-10-17 2004-06-15 Delphi Technologies, Inc. Non-contact obstacle detection system utilizing ultra sensitive capacitive sensing
US6777958B2 (en) 2001-10-17 2004-08-17 Delphi Technologies, Inc. Method and apparatus for detecting a change in capacitance of a capacitive proximity sensor
DE102004009357B4 (en) * 2003-12-20 2007-06-14 Diehl Ako Stiftung & Co. Kg Control panel for a household electronic device
SE0402261D0 (en) 2004-09-17 2004-09-17 Electrolux Home Prod Corp Capacitive Sensor System
DE102005003488B4 (en) * 2005-01-25 2009-03-19 Sick Ag Capacitive sensor and monitoring method
DE102005003489A1 (en) * 2005-01-25 2006-08-03 Sick Ag Capacitive sensor for controlling danger area of machine, has condenser electrodes whose capacity is determined by evaluating and controlling circuit, where control signal controls machine movement by circuit depending on capacity values
US7537511B2 (en) 2006-03-14 2009-05-26 Micron Technology, Inc. Embedded fiber acoustic sensor for CMP process endpoint
MX2008011807A (en) * 2006-03-17 2008-10-02 Electrolux Home Prod Corp Door position sensor.
DE102010043537A1 (en) * 2010-11-08 2012-05-10 BSH Bosch und Siemens Hausgeräte GmbH household appliance
DE202017102443U1 (en) 2016-05-18 2017-08-28 Hörmann KG Antriebstechnik Garage, industrial or entrance gate with non-contact closing edge safety device
EP3287585A1 (en) 2016-08-22 2018-02-28 Captron Electronic GmbH Capacitive jam protection
AT519601A1 (en) * 2017-02-14 2018-08-15 Liberda Viktor METHOD AND DEVICE FOR CONTROLLING A DOOR, PREFERABLY SLIDING DOOR

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370677A (en) * 1966-01-12 1968-02-27 Westinghouse Electric Corp Proximity sensing apparatus and sensor therefor
EP0213308B1 (en) * 1985-08-22 1989-06-07 Inventio Ag Obstacle recognition device for automatic doors
GB8527277D0 (en) * 1985-11-06 1985-12-11 Formula Systems Ltd Proximity detector
GB2186374B (en) * 1986-02-06 1990-04-18 Formula Systems Ltd Signal compensation circuits
GB2205982B (en) * 1987-06-11 1991-07-24 Formula Systems Ltd Proximity detection systems

Also Published As

Publication number Publication date
GB2243217A (en) 1991-10-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)