GB8914513D0 - Falas beacon - Google Patents

Falas beacon

Info

Publication number
GB8914513D0
GB8914513D0 GB898914513A GB8914513A GB8914513D0 GB 8914513 D0 GB8914513 D0 GB 8914513D0 GB 898914513 A GB898914513 A GB 898914513A GB 8914513 A GB8914513 A GB 8914513A GB 8914513 D0 GB8914513 D0 GB 8914513D0
Authority
GB
United Kingdom
Prior art keywords
falas
beacon
falas beacon
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
Application number
GB898914513A
Other versions
GB2233470B (en
GB2233470A (en
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co Ltd
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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB8914513A priority Critical patent/GB2233470B/en
Publication of GB8914513D0 publication Critical patent/GB8914513D0/en
Publication of GB2233470A publication Critical patent/GB2233470A/en
Application granted granted Critical
Publication of GB2233470B publication Critical patent/GB2233470B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Aerials With Secondary Devices (AREA)
GB8914513A 1989-06-23 1989-06-23 Infra-red beacon Expired - Fee Related GB2233470B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8914513A GB2233470B (en) 1989-06-23 1989-06-23 Infra-red beacon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8914513A GB2233470B (en) 1989-06-23 1989-06-23 Infra-red beacon

Publications (3)

Publication Number Publication Date
GB8914513D0 true GB8914513D0 (en) 1989-11-08
GB2233470A GB2233470A (en) 1991-01-09
GB2233470B GB2233470B (en) 1993-03-24

Family

ID=10658986

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8914513A Expired - Fee Related GB2233470B (en) 1989-06-23 1989-06-23 Infra-red beacon

Country Status (1)

Country Link
GB (1) GB2233470B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0663077A4 (en) * 1992-09-04 1995-11-29 Univ Australian Optical reflector arrays and apparatus using such arrays.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904654A1 (en) * 1979-02-07 1980-08-14 Heimann Gmbh OPTICAL ARRANGEMENT FOR A PASSIVE INFRARED MOTION DETECTOR
JPS6047977A (en) * 1983-08-26 1985-03-15 Matsushita Electric Works Ltd Infrared human body detecting apparatus
FR2551586B1 (en) * 1983-09-05 1985-11-29 Plastimo Sa RADAR REFLECTOR

Also Published As

Publication number Publication date
GB2233470B (en) 1993-03-24
GB2233470A (en) 1991-01-09

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930624