CA2315500C - Systeme de diagnostic a photocontroleur - Google Patents

Systeme de diagnostic a photocontroleur Download PDF

Info

Publication number
CA2315500C
CA2315500C CA002315500A CA2315500A CA2315500C CA 2315500 C CA2315500 C CA 2315500C CA 002315500 A CA002315500 A CA 002315500A CA 2315500 A CA2315500 A CA 2315500A CA 2315500 C CA2315500 C CA 2315500C
Authority
CA
Canada
Prior art keywords
lamp
photocontroller
load
condition
photocell
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.)
Expired - Lifetime
Application number
CA002315500A
Other languages
English (en)
Other versions
CA2315500A1 (fr
Inventor
Joseph F. Morrissey, Jr.
Jeff Walters
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.)
ABL IP Holding LLC
Original Assignee
Acuity Brands Inc
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
Priority claimed from US09/461,983 external-priority patent/US6452339B1/en
Application filed by Acuity Brands Inc filed Critical Acuity Brands Inc
Publication of CA2315500A1 publication Critical patent/CA2315500A1/fr
Application granted granted Critical
Publication of CA2315500C publication Critical patent/CA2315500C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Landscapes

  • Electronic Switches (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
CA002315500A 1999-12-15 2000-08-11 Systeme de diagnostic a photocontroleur Expired - Lifetime CA2315500C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/461,983 1999-12-15
US09/461,983 US6452339B1 (en) 1997-08-19 1999-12-15 Photocontroller diagnostic system

Publications (2)

Publication Number Publication Date
CA2315500A1 CA2315500A1 (fr) 2001-06-15
CA2315500C true CA2315500C (fr) 2004-06-22

Family

ID=23834750

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002315500A Expired - Lifetime CA2315500C (fr) 1999-12-15 2000-08-11 Systeme de diagnostic a photocontroleur

Country Status (1)

Country Link
CA (1) CA2315500C (fr)

Also Published As

Publication number Publication date
CA2315500A1 (fr) 2001-06-15

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Effective date: 20200811