GB2254871B - Security apparatus - Google Patents
Security apparatusInfo
- Publication number
- GB2254871B GB2254871B GB9100827A GB9100827A GB2254871B GB 2254871 B GB2254871 B GB 2254871B GB 9100827 A GB9100827 A GB 9100827A GB 9100827 A GB9100827 A GB 9100827A GB 2254871 B GB2254871 B GB 2254871B
- Authority
- GB
- United Kingdom
- Prior art keywords
- security apparatus
- security
- 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 - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/0335—Skylight guards, security devices protecting skylights or preventing objects or persons from falling through skylight openings
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/01—Grilles fixed to walls, doors, or windows; Grilles moving with doors or windows; Walls formed as grilles, e.g. claustra
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9100827A GB2254871B (en) | 1991-01-15 | 1991-01-15 | Security apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9100827A GB2254871B (en) | 1991-01-15 | 1991-01-15 | Security apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9100827D0 GB9100827D0 (en) | 1991-02-27 |
GB2254871A GB2254871A (en) | 1992-10-21 |
GB2254871B true GB2254871B (en) | 1994-07-06 |
Family
ID=10688454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9100827A Expired - Fee Related GB2254871B (en) | 1991-01-15 | 1991-01-15 | Security apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2254871B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5325629A (en) * | 1993-05-18 | 1994-07-05 | Hsu Chi Lu | Gratings for windows/doors |
GB2306187A (en) * | 1995-10-13 | 1997-04-30 | James Herbert Williams | Skylight safety support grid |
GB2503837B (en) * | 2011-03-10 | 2018-03-28 | De Wet De Villiers Marius | Alarmed intruder barrier |
-
1991
- 1991-01-15 GB GB9100827A patent/GB2254871B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2254871A (en) | 1992-10-21 |
GB9100827D0 (en) | 1991-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980115 |