FR623748A - Non-glare lamp device - Google Patents

Non-glare lamp device

Info

Publication number
FR623748A
FR623748A FR623748DA FR623748A FR 623748 A FR623748 A FR 623748A FR 623748D A FR623748D A FR 623748DA FR 623748 A FR623748 A FR 623748A
Authority
FR
France
Prior art keywords
lamp device
glare lamp
glare
lamp
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)
Inventor
Stanislas Julian Ostrorog
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 filed Critical
Application granted granted Critical
Publication of FR623748A publication Critical patent/FR623748A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
FR623748D 1925-10-29 1926-10-27 Non-glare lamp device Expired FR623748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB623748X 1925-10-29

Publications (1)

Publication Number Publication Date
FR623748A true FR623748A (en) 1927-06-29

Family

ID=10488083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623748D Expired FR623748A (en) 1925-10-29 1926-10-27 Non-glare lamp device

Country Status (1)

Country Link
FR (1) FR623748A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987006996A1 (en) * 1986-05-14 1987-11-19 Liu P Dong Guang Glare control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987006996A1 (en) * 1986-05-14 1987-11-19 Liu P Dong Guang Glare control

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