GB9406395D0 - A counting device - Google Patents

A counting device

Info

Publication number
GB9406395D0
GB9406395D0 GB9406395A GB9406395A GB9406395D0 GB 9406395 D0 GB9406395 D0 GB 9406395D0 GB 9406395 A GB9406395 A GB 9406395A GB 9406395 A GB9406395 A GB 9406395A GB 9406395 D0 GB9406395 D0 GB 9406395D0
Authority
GB
United Kingdom
Prior art keywords
counting device
counting
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Withdrawn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
GB9406395A
Other versions
GB2278437A (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.)
APPLIED SECURITY DESIGN Ltd
Original Assignee
APPLIED SECURITY DESIGN 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 APPLIED SECURITY DESIGN Ltd filed Critical APPLIED SECURITY DESIGN Ltd
Publication of GB9406395D0 publication Critical patent/GB9406395D0/en
Publication of GB2278437A publication Critical patent/GB2278437A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H05B47/13—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using passive infrared detectors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
GB9406395A 1993-05-28 1994-03-30 Counting people entering and leaving a zone Withdrawn GB2278437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939311036A GB9311036D0 (en) 1993-05-28 1993-05-28 Lighting control device

Publications (2)

Publication Number Publication Date
GB9406395D0 true GB9406395D0 (en) 1994-05-25
GB2278437A GB2278437A (en) 1994-11-30

Family

ID=10736276

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939311036A Pending GB9311036D0 (en) 1993-05-28 1993-05-28 Lighting control device
GB9406395A Withdrawn GB2278437A (en) 1993-05-28 1994-03-30 Counting people entering and leaving a zone

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939311036A Pending GB9311036D0 (en) 1993-05-28 1993-05-28 Lighting control device

Country Status (1)

Country Link
GB (2) GB9311036D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110853200A (en) * 2019-11-29 2020-02-28 河南职业技术学院 Device for limiting number of people in closed occasions

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2314410A (en) * 1996-06-18 1997-12-24 Siemens Plc Passive Infra-Red Detection System suitable for Traffic Control Systems
GB2489218A (en) * 2011-03-17 2012-09-26 Univ Strathclyde Occupancy detection system
EP2836988A1 (en) * 2012-04-12 2015-02-18 Koninklijke Philips N.V. Identification sensor for gate identification of a person
US11127144B2 (en) 2018-08-24 2021-09-21 Lutron Technology Company Llc Occupant counting device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799243A (en) * 1987-09-01 1989-01-17 Otis Elevator Company Directional people counting arrangement
GB2231954B (en) * 1989-05-18 1993-04-21 David Chen A switch for automatically controlling electric appliances in a room
DE4040811A1 (en) * 1990-12-14 1992-07-09 Iris Gmbh Infrared & Intellige DIRECTIONAL SELECTIVE COUNTING AND SWITCHING DEVICE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110853200A (en) * 2019-11-29 2020-02-28 河南职业技术学院 Device for limiting number of people in closed occasions
CN110853200B (en) * 2019-11-29 2021-10-26 河南职业技术学院 Device for limiting number of people in closed occasions

Also Published As

Publication number Publication date
GB9311036D0 (en) 1993-07-14
GB2278437A (en) 1994-11-30

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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)