GB2431019B - Light controlled pedestrian crossings - Google Patents

Light controlled pedestrian crossings

Info

Publication number
GB2431019B
GB2431019B GB0427112A GB0427112A GB2431019B GB 2431019 B GB2431019 B GB 2431019B GB 0427112 A GB0427112 A GB 0427112A GB 0427112 A GB0427112 A GB 0427112A GB 2431019 B GB2431019 B GB 2431019B
Authority
GB
United Kingdom
Prior art keywords
light controlled
pedestrian crossings
controlled pedestrian
crossings
light
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.)
Active
Application number
GB0427112A
Other versions
GB0427112D0 (en
GB2431019A (en
Inventor
Richard Keith Duley
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.)
Radix Systems Ltd
Original Assignee
Radix 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 Radix Systems Ltd filed Critical Radix Systems Ltd
Priority to GB0427112A priority Critical patent/GB2431019B/en
Publication of GB0427112D0 publication Critical patent/GB0427112D0/en
Publication of GB2431019A publication Critical patent/GB2431019A/en
Application granted granted Critical
Publication of GB2431019B publication Critical patent/GB2431019B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/08—Devices or methods enabling eye-patients to replace direct visual perception by another kind of perception
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/001—Teaching or communicating with blind persons
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/001—Teaching or communicating with blind persons
    • G09B21/003—Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/1563—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators without using an external clock
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/282—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling field supply only

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Traffic Control Systems (AREA)
GB0427112A 2004-12-10 2004-12-10 Light controlled pedestrian crossings Active GB2431019B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0427112A GB2431019B (en) 2004-12-10 2004-12-10 Light controlled pedestrian crossings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0427112A GB2431019B (en) 2004-12-10 2004-12-10 Light controlled pedestrian crossings

Publications (3)

Publication Number Publication Date
GB0427112D0 GB0427112D0 (en) 2005-01-12
GB2431019A GB2431019A (en) 2007-04-11
GB2431019B true GB2431019B (en) 2007-09-12

Family

ID=34073523

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0427112A Active GB2431019B (en) 2004-12-10 2004-12-10 Light controlled pedestrian crossings

Country Status (1)

Country Link
GB (1) GB2431019B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109300305A (en) * 2018-07-17 2019-02-01 河海大学 A kind of section crossing setting demand determination method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106710206A (en) * 2015-11-12 2017-05-24 江南大学 Pedestrian crossing intelligent control scheme
GB201701007D0 (en) * 2017-01-20 2017-03-08 Agd Systems Ltd A push button box for a pedestrian crossing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2773628A1 (en) * 1998-01-15 1999-07-16 Emmanuel Berque Road crossing indicator sign for pedestrian crossing at traffic lights
US6313589B1 (en) * 1999-11-16 2001-11-06 Tokiwa Dengyo Co., Ltd. Power supply circuit for traffic signal lights utilizing LEDs
GB2379287A (en) * 2001-06-18 2003-03-05 Radix Systems Ltd Light controlled pedestrian crossing with tactile indicator
WO2004047498A1 (en) * 2002-11-19 2004-06-03 Dan Friis Lighting body or source of light based on light-emitting diodes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2773628A1 (en) * 1998-01-15 1999-07-16 Emmanuel Berque Road crossing indicator sign for pedestrian crossing at traffic lights
US6313589B1 (en) * 1999-11-16 2001-11-06 Tokiwa Dengyo Co., Ltd. Power supply circuit for traffic signal lights utilizing LEDs
GB2379287A (en) * 2001-06-18 2003-03-05 Radix Systems Ltd Light controlled pedestrian crossing with tactile indicator
WO2004047498A1 (en) * 2002-11-19 2004-06-03 Dan Friis Lighting body or source of light based on light-emitting diodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109300305A (en) * 2018-07-17 2019-02-01 河海大学 A kind of section crossing setting demand determination method

Also Published As

Publication number Publication date
GB0427112D0 (en) 2005-01-12
GB2431019A (en) 2007-04-11

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)
720A Reinstatement of application (patents act 1977, section 20(2)a)

Free format text: REQUEST FOR REINSTATEMENT FILED

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20200326 AND 20200401