IT1000917B - SHORT CIRCUIT PROTECTION IN BALLASTS CONTROLLED BY SEMICONDUCTOR ELEMENTS SPECIES FOR LIGHTING DEVICES IN PHOTOGRAPHIC GEARS AND REPRODUCTORY EQUIPMENT - Google Patents

SHORT CIRCUIT PROTECTION IN BALLASTS CONTROLLED BY SEMICONDUCTOR ELEMENTS SPECIES FOR LIGHTING DEVICES IN PHOTOGRAPHIC GEARS AND REPRODUCTORY EQUIPMENT

Info

Publication number
IT1000917B
IT1000917B IT488873A IT488873A IT1000917B IT 1000917 B IT1000917 B IT 1000917B IT 488873 A IT488873 A IT 488873A IT 488873 A IT488873 A IT 488873A IT 1000917 B IT1000917 B IT 1000917B
Authority
IT
Italy
Prior art keywords
reproductory
photographic
gears
equipment
short circuit
Prior art date
Application number
IT488873A
Other languages
Italian (it)
Inventor
F Obertegger
Original Assignee
Durst Ag
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 Durst Ag filed Critical Durst Ag
Priority to IT488873A priority Critical patent/IT1000917B/en
Priority to DE2416450A priority patent/DE2416450A1/en
Application granted granted Critical
Publication of IT1000917B publication Critical patent/IT1000917B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT488873A 1973-11-28 1973-11-28 SHORT CIRCUIT PROTECTION IN BALLASTS CONTROLLED BY SEMICONDUCTOR ELEMENTS SPECIES FOR LIGHTING DEVICES IN PHOTOGRAPHIC GEARS AND REPRODUCTORY EQUIPMENT IT1000917B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT488873A IT1000917B (en) 1973-11-28 1973-11-28 SHORT CIRCUIT PROTECTION IN BALLASTS CONTROLLED BY SEMICONDUCTOR ELEMENTS SPECIES FOR LIGHTING DEVICES IN PHOTOGRAPHIC GEARS AND REPRODUCTORY EQUIPMENT
DE2416450A DE2416450A1 (en) 1973-11-28 1974-04-04 Short cct. protection for SCR power supply in photographic enlargers - has voltage monitor operating load cct. SCR via second SCR and relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT488873A IT1000917B (en) 1973-11-28 1973-11-28 SHORT CIRCUIT PROTECTION IN BALLASTS CONTROLLED BY SEMICONDUCTOR ELEMENTS SPECIES FOR LIGHTING DEVICES IN PHOTOGRAPHIC GEARS AND REPRODUCTORY EQUIPMENT

Publications (1)

Publication Number Publication Date
IT1000917B true IT1000917B (en) 1976-04-10

Family

ID=11115612

Family Applications (1)

Application Number Title Priority Date Filing Date
IT488873A IT1000917B (en) 1973-11-28 1973-11-28 SHORT CIRCUIT PROTECTION IN BALLASTS CONTROLLED BY SEMICONDUCTOR ELEMENTS SPECIES FOR LIGHTING DEVICES IN PHOTOGRAPHIC GEARS AND REPRODUCTORY EQUIPMENT

Country Status (2)

Country Link
DE (1) DE2416450A1 (en)
IT (1) IT1000917B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2582879A1 (en) * 1985-06-04 1986-12-05 Telemecanique Electrique STATIC SWITCHING APPARATUS OR CIRCUIT FOR PROTECTED POWER SUPPLY OF A LOAD AND ITS LINE

Also Published As

Publication number Publication date
DE2416450A1 (en) 1975-06-05

Similar Documents

Publication Publication Date Title
IT969827B (en) PROTECTION CIRCUIT AGAINST OVER VOLTAGE
IT1070004B (en) PERFECTED SEMICONDUCTOR INTEGRATED CIRCUIT
IT1054262B (en) INVERTER CIRCUIT
BR7605585A (en) RECTIFIER SEMICONDUCTOR CIRCUIT
AR204224A1 (en) INTEGRATED CIRCUIT
BR7505035A (en) ELECTRIC CIRCUIT PROTECTION EQUIPMENT
IT1026419B (en) DARKENING CIRCUIT FOR HIGH INTENSITY LAMPS
IT1021265B (en) INTEGRATED CIRCUIT
IT1012351B (en) SEMICONDUCTOR INTEGRATED CIRCUIT
BR7017881D0 (en) ADVANCED BALLAST CIRCUIT
IT1041148B (en) PHOTOGRAPHIC FILM TREATMENT DEVICE
IT1062977B (en) CONTACT DEVICE FOR CIRCUIT PANELS
IT1113809B (en) ELECTRONIC SAFETY CIRCUIT FOR REGULATION DEVICES
AT346181B (en) FLASH LIGHT CIRCUIT ARRANGEMENT
IT1048649B (en) SILENCE CIRCUIT
BR7501269A (en) UNIT OF MULTIPLES LAMPS OF PHOTOGRAPHIC FLASH TYPE AND CIRCUIT PANEL FOR THE SAME
SE403676B (en) DEVICE FOR CREATING ULTRAVIOLET RADIATION
IT1032300B (en) PROCEDURE AND PHOTOGRAPHIC APPARATUS AND RELATIVE CHEMICAL COMPOSITIONS
IT1038130B (en) DIRECT CURRENT PROTECTION CIRCUIT
IT1123029B (en) ELECTRONIC FILTER CIRCUIT
IT1000917B (en) SHORT CIRCUIT PROTECTION IN BALLASTS CONTROLLED BY SEMICONDUCTOR ELEMENTS SPECIES FOR LIGHTING DEVICES IN PHOTOGRAPHIC GEARS AND REPRODUCTORY EQUIPMENT
IT950709B (en) LINE CIRCUIT FOR TELEPHONE INSTALLATIONS
IT970460B (en) RINGER STOP CIRCUIT
BR7603425A (en) CIRCUIT PROTECTION DEVICE
IT1060648B (en) SAFETY CIRCUIT IN PARTICULAR FOR LIFT SYSTEMS