GB2198830B - Flat pocket-type torch with a concave mirror reflector - Google Patents

Flat pocket-type torch with a concave mirror reflector

Info

Publication number
GB2198830B
GB2198830B GB8629909A GB8629909A GB2198830B GB 2198830 B GB2198830 B GB 2198830B GB 8629909 A GB8629909 A GB 8629909A GB 8629909 A GB8629909 A GB 8629909A GB 2198830 B GB2198830 B GB 2198830B
Authority
GB
United Kingdom
Prior art keywords
concave mirror
mirror reflector
type torch
flat pocket
pocket
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 - Lifetime
Application number
GB8629909A
Other versions
GB2198830A (en
GB8629909D0 (en
Inventor
Knut Otto Sassmannshausen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8629909D0 publication Critical patent/GB8629909D0/en
Publication of GB2198830A publication Critical patent/GB2198830A/en
Application granted granted Critical
Publication of GB2198830B publication Critical patent/GB2198830B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
GB8629909A 1985-06-27 1986-12-15 Flat pocket-type torch with a concave mirror reflector Expired - Lifetime GB2198830B (en)

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 GB8629909D0 (en) 1987-01-28
GB2198830A GB2198830A (en) 1988-06-22
GB2198830B true 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6454433B1 (en) 2001-05-24 2002-09-24 Eveready Battery Company, Inc. Dual faceted reflector

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1292582A (en) * 1969-01-14 1972-10-11 Braun Ag Pocket torch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
ATE40922T1 (en) * 1982-12-04 1989-03-15 Sassmannshausen Knut PORTABLE LIGHT.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1292582A (en) * 1969-01-14 1972-10-11 Braun Ag Pocket torch

Also Published As

Publication number Publication date
GB2198830A (en) 1988-06-22
DE3523005A1 (en) 1987-01-08
GB8629909D0 (en) 1987-01-28
DE3523005C2 (en) 1987-08-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee