GB8629909D0 - Torch - Google Patents
TorchInfo
- Publication number
- GB8629909D0 GB8629909D0 GB868629909A GB8629909A GB8629909D0 GB 8629909 D0 GB8629909 D0 GB 8629909D0 GB 868629909 A GB868629909 A GB 868629909A GB 8629909 A GB8629909 A GB 8629909A GB 8629909 D0 GB8629909 D0 GB 8629909D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- torch
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853523005 DE3523005A1 (en) | 1985-06-27 | 1985-06-27 | Flat pocket lamp having a concave mirror reflector and cells arranged juxtaposed for the purpose of power supply |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8629909D0 true GB8629909D0 (en) | 1987-01-28 |
GB2198830A GB2198830A (en) | 1988-06-22 |
GB2198830B GB2198830B (en) | 1991-02-20 |
Family
ID=6274354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8629909A Expired - Lifetime GB2198830B (en) | 1985-06-27 | 1986-12-15 | Flat pocket-type torch with a concave mirror reflector |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3523005A1 (en) |
GB (1) | GB2198830B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6454433B1 (en) | 2001-05-24 | 2002-09-24 | Eveready Battery Company, Inc. | Dual faceted reflector |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2218678A (en) * | 1938-05-06 | 1940-10-22 | Scovill Manufacturing Co | Double reflector flashlight |
GB800209A (en) * | 1955-05-12 | 1958-08-20 | Lo Hung Hing | Improvements in and relating to electric torches, more particularly hand torches and bicycle lamps |
DE1216428B (en) * | 1960-04-22 | 1966-05-12 | Knut Sassmannshausen | Concave mirror light |
US3196268A (en) * | 1961-11-06 | 1965-07-20 | Gulton Ind Inc | Flashlight |
LU57776A1 (en) * | 1969-01-14 | 1970-01-15 | ||
DE3379237D1 (en) * | 1982-12-04 | 1989-03-30 | Sassmannshausen Knut | Portable lamp |
-
1985
- 1985-06-27 DE DE19853523005 patent/DE3523005A1/en active Granted
-
1986
- 1986-12-15 GB GB8629909A patent/GB2198830B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2198830B (en) | 1991-02-20 |
DE3523005A1 (en) | 1987-01-08 |
GB2198830A (en) | 1988-06-22 |
DE3523005C2 (en) | 1987-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |