CA917238A - Emergency fluorescent lighting apparatus - Google Patents

Emergency fluorescent lighting apparatus

Info

Publication number
CA917238A
CA917238A CA917238A CA917238DA CA917238A CA 917238 A CA917238 A CA 917238A CA 917238 A CA917238 A CA 917238A CA 917238D A CA917238D A CA 917238DA CA 917238 A CA917238 A CA 917238A
Authority
CA
Canada
Prior art keywords
lighting apparatus
fluorescent lighting
emergency fluorescent
emergency
lighting
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
Application number
CA917238A
Inventor
H. B. Walker Alec
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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.)
Publication date
Application granted granted Critical
Publication of CA917238A publication Critical patent/CA917238A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • H02J9/065—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads for lighting purposes

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stand-By Power Supply Arrangements (AREA)
CA917238A 1971-03-17 Emergency fluorescent lighting apparatus Expired CA917238A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA917238T
US12511771A 1971-03-17 1971-03-17

Publications (1)

Publication Number Publication Date
CA917238A true CA917238A (en) 1972-12-19

Family

ID=73554217

Family Applications (1)

Application Number Title Priority Date Filing Date
CA917238A Expired CA917238A (en) 1971-03-17 Emergency fluorescent lighting apparatus

Country Status (2)

Country Link
US (1) US3688123A (en)
CA (1) CA917238A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3758877A (en) * 1972-05-09 1973-09-11 G Schiffner Power supply for carbon dioxide lasers
US3860829A (en) * 1973-08-10 1975-01-14 Keene Corp Fluorescent fixture auxiliary light
US3869639A (en) * 1973-08-24 1975-03-04 Gen Electric Emergency lighting system using dim to bright flashing operation
US3899632A (en) * 1973-10-23 1975-08-12 Materials Division General Ele Retrofit emergency lighting package
US4029993A (en) * 1975-12-18 1977-06-14 General Electric Company Two level inverter circuit
US4682078A (en) * 1985-01-28 1987-07-21 Radiant Illumination, Inc. Wireless emergency lighting unit
US5004953A (en) * 1989-06-30 1991-04-02 The Bodine Company Emergency lighting ballast for compact fluorescent lamps with integral starters
TW427609U (en) * 1998-04-01 2001-03-21 Tasua Electronics Co Ltd Circuit control device for emergency automatic illuminating lamp
US6339296B1 (en) * 1999-05-11 2002-01-15 Jerzy M. Goral Low profile emergency ballast

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1452640A (en) * 1965-06-02 1966-04-15 Accumulateurs Fixes Emergency electrical installation
US3448335A (en) * 1966-07-22 1969-06-03 Trak Microwave Corp High frequency ac-dc fluorescent lamp driver circuit

Also Published As

Publication number Publication date
US3688123A (en) 1972-08-29

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