CH214730A - Luminous intensity regulator device for electrical lighting appliances. - Google Patents

Luminous intensity regulator device for electrical lighting appliances.

Info

Publication number
CH214730A
CH214730A CH214730DA CH214730A CH 214730 A CH214730 A CH 214730A CH 214730D A CH214730D A CH 214730DA CH 214730 A CH214730 A CH 214730A
Authority
CH
Switzerland
Prior art keywords
luminous intensity
regulator device
electrical lighting
lighting appliances
intensity regulator
Prior art date
Application number
Other languages
Italian (it)
Inventor
Ruvioli Rodolfo
Original Assignee
Ruvioli Rodolfo
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 Ruvioli Rodolfo filed Critical Ruvioli Rodolfo
Publication of CH214730A publication Critical patent/CH214730A/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/025Constructional details of transformers or reactors with tapping on coil or windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
CH214730D 1939-11-02 1939-11-02 Luminous intensity regulator device for electrical lighting appliances. CH214730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH214730T 1939-11-02

Publications (1)

Publication Number Publication Date
CH214730A true CH214730A (en) 1941-05-15

Family

ID=4448829

Family Applications (1)

Application Number Title Priority Date Filing Date
CH214730D CH214730A (en) 1939-11-02 1939-11-02 Luminous intensity regulator device for electrical lighting appliances.

Country Status (1)

Country Link
CH (1) CH214730A (en)

Similar Documents

Publication Publication Date Title
FR855703A (en) Luminescent lamps
FR866082A (en) Lighting fixture
CH214730A (en) Luminous intensity regulator device for electrical lighting appliances.
FR850769A (en) Decorative lighting fixture
CH213679A (en) Electric mixed light lamp.
FR863722A (en) Sockets for lighting lamps
GR7472B (en) ELECTRIC LIGHTING ELECTRIC LAMP.
FR1021802A (en) Lighting fixture
GR8310B (en) LIGHTING EQUIPMENT DEVICE.
GR9358B (en) LIGHTING DARKING LAMPS.
GR8758B (en) ELECTRIC LAMP FOR INCREASED DURATION.
DK60269C (en) Electric Light Buoy.
FI18884A (en) Electric strap light bulb
FR858397A (en) Lighting fixture
FR865793A (en) Lighting fixture
FR857543A (en) Lighting fixture
FI20818A (en) Electric light bulb
ES151487A1 (en) AN ELECTRICAL LIGHTS APPLIANCE
GR9154B (en) VOLUME LIGHTING ELECTRIC LAMP.
FI18904A (en) Gasfylld electric light bulb
DK72812C (en) Electric flashlight.
DK77297C (en) Electric flashlight.
DK56915C (en) Electric Blackout Lamp.
CH217335A (en) Portable electric lamp.
FR850332A (en) Electric lighting device