FR39092E - Further development of arc lamps for projectors - Google Patents

Further development of arc lamps for projectors

Info

Publication number
FR39092E
FR39092E FR39092DA FR39092E FR 39092 E FR39092 E FR 39092E FR 39092D A FR39092D A FR 39092DA FR 39092 E FR39092 E FR 39092E
Authority
FR
France
Prior art keywords
projectors
further development
arc lamps
lamps
arc
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
Other languages
French (fr)
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.)
Maison Breguet SA
Original Assignee
Maison Breguet SA
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 Maison Breguet SA filed Critical Maison Breguet SA
Application granted granted Critical
Publication of FR39092E publication Critical patent/FR39092E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/0081—Controlling of arc lamps
FR39092D 1930-04-15 1930-04-15 Further development of arc lamps for projectors Expired FR39092E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR39092T 1930-04-15

Publications (1)

Publication Number Publication Date
FR39092E true FR39092E (en) 1931-08-26

Family

ID=8675524

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39092D Expired FR39092E (en) 1930-04-15 1930-04-15 Further development of arc lamps for projectors

Country Status (1)

Country Link
FR (1) FR39092E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749596C (en) * 1939-10-03 1944-11-27 Fully automatic electric carbon arc lamp, in particular high-performance arc lamp, in which, depending on the operating parameters that are decisive for the operation of the arc - in particular arc current strength, arc voltage and electrode position - the electrode advance is automatically adjusted and the maximum permissible local limits are also prevented from being exceeded (burning) the electrode feed rate is controlled

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749596C (en) * 1939-10-03 1944-11-27 Fully automatic electric carbon arc lamp, in particular high-performance arc lamp, in which, depending on the operating parameters that are decisive for the operation of the arc - in particular arc current strength, arc voltage and electrode position - the electrode advance is automatically adjusted and the maximum permissible local limits are also prevented from being exceeded (burning) the electrode feed rate is controlled

Similar Documents

Publication Publication Date Title
FR703931A (en) Advanced lighting projectors
FR39092E (en) Further development of arc lamps for projectors
FR757070A (en) Arc lamp refinements
FR698719A (en) Further development of arc lamps for projectors
FR38050E (en) Development of high intensity arc lamps for projectors
FR681140A (en) High Intensity Arc Lamp Improvements for Projectors
FR713853A (en) Lens for non-glare projectors
FR39091E (en) Arc lamp improvement
FR751110A (en) Development of side-unloading trucks
FR691008A (en) Brazing lamps improvements
FR729488A (en) Laminescence lamp for high voltage
FR732763A (en) Regulating mechanism for projector arc lamps
FR729012A (en) Arc lamp improvement
FR40595E (en) Arc lamp improvement
FR40594E (en) Arc lamp improvement
FR697990A (en) Arc lamp improvement
FR684923A (en) Arc lamp improvement
FR650000A (en) Regulator for arc lamps
FR715084A (en) Arc lamp for cinematographic projections and others
FR751885A (en) Arc lamp refinements
FR712318A (en) Advanced lighting projectors
FR707710A (en) Acetylene projector
FR39939E (en) Acetylene projector
FR739636A (en) Advanced lighting projectors
FR720048A (en) Improvements to screens for mercury rectifiers