GB2020843B - Optical apparatus - Google Patents

Optical apparatus

Info

Publication number
GB2020843B
GB2020843B GB7911995A GB7911995A GB2020843B GB 2020843 B GB2020843 B GB 2020843B GB 7911995 A GB7911995 A GB 7911995A GB 7911995 A GB7911995 A GB 7911995A GB 2020843 B GB2020843 B GB 2020843B
Authority
GB
United Kingdom
Prior art keywords
optical apparatus
optical
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
Application number
GB7911995A
Other versions
GB2020843A (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.)
Qioptiq Ltd
Original Assignee
Pilkington PE 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 Pilkington PE Ltd filed Critical Pilkington PE Ltd
Priority to US06/035,243 priority Critical patent/US4261635A/en
Publication of GB2020843A publication Critical patent/GB2020843A/en
Application granted granted Critical
Publication of GB2020843B publication Critical patent/GB2020843B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B27/0103—Head-up displays characterised by optical features comprising holographic elements
    • G02B2027/0105—Holograms with particular structures
    • G02B2027/0107—Holograms with particular structures with optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0145—Head-up displays characterised by optical features creating an intermediate image
GB7911995A 1978-05-16 1979-04-05 Optical apparatus Expired GB2020843B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/035,243 US4261635A (en) 1978-05-16 1979-05-02 Optical apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1971578 1978-05-16

Publications (2)

Publication Number Publication Date
GB2020843A GB2020843A (en) 1979-11-21
GB2020843B true GB2020843B (en) 1982-06-09

Family

ID=10134015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7911995A Expired GB2020843B (en) 1978-05-16 1979-04-05 Optical apparatus

Country Status (1)

Country Link
GB (1) GB2020843B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533325A1 (en) * 1982-09-21 1984-03-23 Thomson Csf HOLOGRAPHIC MIRROR VIEWING DEVICE AND MIRROR MANUFACTURING METHOD
CA2044932C (en) * 1990-06-29 1996-03-26 Masayuki Kato Display unit

Also Published As

Publication number Publication date
GB2020843A (en) 1979-11-21

Similar Documents

Publication Publication Date Title
JPS5575605A (en) Optical apparatus
JPS552291A (en) Apparatus for optical element
GB2025651B (en) Optical recordingsystem
GB2025378B (en) Docufeeding apparatus
GB2021759B (en) Optical somatomeasuring apparatus
JPS54164146A (en) Optical device
ZA792886B (en) Apparatus
JPS54115147A (en) Electrochrom apparatus
JPS54128752A (en) Optical device
GB2027950B (en) Light scanning apparatus
DE2962020D1 (en) Egg-collecting apparatus
YU221078A (en) Arosol apparatus
AU4277278A (en) Apparatus
JPS54151856A (en) Optical device
EP0004706A3 (en) Wire-guidance apparatus
JPS54130046A (en) Optical device
GB2029330B (en) Drawing apparatus
JPS5546736A (en) Optical filmmscanning device
GB2021803B (en) Optical apparatus
JPS54125046A (en) Optical block
GB2043942B (en) Optical device for wide-scope
GB2038585B (en) Duct-tracing apparatus
GB2021971B (en) Piperting apparatus
GB2101360B (en) Light scanning apparatus
GB2035595B (en) Optical positioning apparatus

Legal Events

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