ZA821936B - Stabilized reflector assembly and optical apparatus useful therewith - Google Patents
Stabilized reflector assembly and optical apparatus useful therewithInfo
- Publication number
- ZA821936B ZA821936B ZA821936A ZA821936A ZA821936B ZA 821936 B ZA821936 B ZA 821936B ZA 821936 A ZA821936 A ZA 821936A ZA 821936 A ZA821936 A ZA 821936A ZA 821936 B ZA821936 B ZA 821936B
- Authority
- ZA
- South Africa
- Prior art keywords
- optical apparatus
- reflector assembly
- apparatus useful
- useful therewith
- stabilized
- Prior art date
Links
Classifications
-
- 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
- G08B13/184—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 using radiation reflectors
-
- 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
-
- 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
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL62475A IL62475A0 (en) | 1981-03-25 | 1981-03-25 | Passive line-of-sight optical protective apparatus and stabilized reflector assembly useful therein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA821936B true ZA821936B (en) | 1983-03-30 |
Family
ID=11052532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA821936A ZA821936B (en) | 1981-03-25 | 1982-03-23 | Stabilized reflector assembly and optical apparatus useful therewith |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS58788A (en) |
| BE (1) | BE892613A (en) |
| IL (1) | IL62475A0 (en) |
| ZA (1) | ZA821936B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0645026Y2 (en) * | 1988-09-20 | 1994-11-16 | 清一 三谷 | Automatic stopper device for doors |
| AU2012216352B2 (en) | 2012-08-22 | 2015-02-12 | Woodside Energy Technologies Pty Ltd | Modular LNG production facility |
-
1981
- 1981-03-25 IL IL62475A patent/IL62475A0/en unknown
-
1982
- 1982-03-23 ZA ZA821936A patent/ZA821936B/en unknown
- 1982-03-24 BE BE0/207650A patent/BE892613A/en not_active IP Right Cessation
- 1982-03-25 JP JP57048821A patent/JPS58788A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58788A (en) | 1983-01-05 |
| BE892613A (en) | 1982-07-16 |
| IL62475A0 (en) | 1981-05-20 |
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