CH502695A - Process for the production of a halogen incandescent lamp with a quartz bulb, in which part of the emitted light is shielded - Google Patents
Process for the production of a halogen incandescent lamp with a quartz bulb, in which part of the emitted light is shieldedInfo
- Publication number
- CH502695A CH502695A CH355369A CH355369A CH502695A CH 502695 A CH502695 A CH 502695A CH 355369 A CH355369 A CH 355369A CH 355369 A CH355369 A CH 355369A CH 502695 A CH502695 A CH 502695A
- Authority
- CH
- Switzerland
- Prior art keywords
- shielded
- production
- emitted light
- incandescent lamp
- halogen incandescent
- Prior art date
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
-
- 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
- H01K1/325—Reflecting coating
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6803526A NL6803526A (en) | 1968-03-13 | 1968-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH502695A true CH502695A (en) | 1971-01-31 |
Family
ID=19803012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH355369A CH502695A (en) | 1968-03-13 | 1969-03-10 | Process for the production of a halogen incandescent lamp with a quartz bulb, in which part of the emitted light is shielded |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT284958B (en) |
BE (1) | BE729712A (en) |
CH (1) | CH502695A (en) |
FR (1) | FR2003813A1 (en) |
GB (1) | GB1193816A (en) |
NL (1) | NL6803526A (en) |
SE (1) | SE359964B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4288713A (en) * | 1979-11-23 | 1981-09-08 | Gte Products Corporation | Lamp having opaque coating |
DE69919095T2 (en) * | 1998-03-26 | 2005-08-11 | Koninklijke Philips Electronics N.V. | ELECTRIC LAMP |
US7195667B2 (en) | 2004-06-07 | 2007-03-27 | General Electric Company | Composition for opaque coating, lamp with coating, and method of manufacture |
-
1968
- 1968-03-13 NL NL6803526A patent/NL6803526A/xx unknown
-
1969
- 1969-03-10 GB GB1238669A patent/GB1193816A/en not_active Expired
- 1969-03-10 AT AT235269A patent/AT284958B/en not_active IP Right Cessation
- 1969-03-10 CH CH355369A patent/CH502695A/en not_active IP Right Cessation
- 1969-03-11 SE SE332269A patent/SE359964B/xx unknown
- 1969-03-11 BE BE729712D patent/BE729712A/xx unknown
- 1969-03-13 FR FR6907113A patent/FR2003813A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
SE359964B (en) | 1973-09-10 |
GB1193816A (en) | 1970-06-03 |
DE1909394A1 (en) | 1969-10-23 |
DE1909394B2 (en) | 1977-06-08 |
AT284958B (en) | 1970-10-12 |
FR2003813A1 (en) | 1969-11-14 |
NL6803526A (en) | 1969-09-16 |
BE729712A (en) | 1969-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |