CA2052437C - Afficheur d'images virtuelles a deux pages pour automobile - Google Patents

Afficheur d'images virtuelles a deux pages pour automobile

Info

Publication number: CA2052437C
Authority: CA; Canada
Prior art keywords: imaging illumination; virtual image; image; image source; providing
Prior art date: 1990-08-31
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

Application number

CA002052437A

Other languages

English (en)

Other versions

CA2052437A1 (fr

Inventor

Ronald G. Hegg

Mao-Jin Chern

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.)

Raytheon Co

Original Assignee

Hughes Aircraft Co

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.)

1990-08-31

Filing date

1991-09-26

Publication date

1996-03-26

1990-10-23 Priority claimed from US07/602,018 external-priority patent/US5121099A/en

1991-09-26 Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co

1992-03-01 Publication of CA2052437A1 publication Critical patent/CA2052437A1/fr

1996-03-26 Application granted granted Critical

1996-03-26 Publication of CA2052437C publication Critical patent/CA2052437C/fr

2011-09-26 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000005286 illumination Methods 0.000 claims abstract description 65
238000003384 imaging method Methods 0.000 claims abstract description 61
230000003287 optical effect Effects 0.000 claims description 58
239000004973 liquid crystal related substance Substances 0.000 abstract description 3
230000009977 dual effect Effects 0.000 description 15
238000013461 design Methods 0.000 description 7
230000008901 benefit Effects 0.000 description 4
230000001681 protective effect Effects 0.000 description 3
230000009467 reduction Effects 0.000 description 3
238000013459 approach Methods 0.000 description 2
238000004590 computer program Methods 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
238000001228 spectrum Methods 0.000 description 2
230000004075 alteration Effects 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
230000008859 change Effects 0.000 description 1
229910052729 chemical element Inorganic materials 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000012938 design process Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
239000000446 fuel Substances 0.000 description 1
210000003128 head Anatomy 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
238000005304 joining Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000002991 molded plastic Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000004513 sizing Methods 0.000 description 1
239000000243 solution Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000000758 substrate Substances 0.000 description 1
230000000007 visual effect Effects 0.000 description 1

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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/334—Projection means
- 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
- G02B27/0149—Head-up displays characterised by mechanical features
- G02B2027/0165—Head-up displays characterised by mechanical features associated with a head-down display

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lenses (AREA)

CA002052437A 1990-08-31 1991-09-26 Afficheur d'images virtuelles a deux pages pour automobile Expired - Fee Related CA2052437C (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US57624290A	1990-08-31	1990-08-31
US576,242		1990-08-31
US602,018		1990-10-23
US07/602,018 US5121099A (en)	1990-08-31	1990-10-23	Two-page automotive virtual image display

Publications (2)

Publication Number	Publication Date
CA2052437A1 CA2052437A1 (fr)	1992-03-01
CA2052437C true CA2052437C (fr)	1996-03-26

Family

ID=27076907

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002052437A Expired - Fee Related CA2052437C (fr)	1990-08-31	1991-09-26	Afficheur d'images virtuelles a deux pages pour automobile

Country Status (1)

Country	Link
CA (1)	CA2052437C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR3010666A1 (fr) *	2013-09-17	2015-03-20	Peugeot Citroen Automobiles Sa	Combine d'instruments pour planche de bord de vehicule automobile
WO2015040339A3 (fr) *	2013-09-23	2015-06-04	Peugeot Citroen Automobiles Sa	Combiné d'instruments pour planche de bord de véhicule automobile

1991
- 1991-09-26 CA CA002052437A patent/CA2052437C/fr not_active Expired - Fee Related

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR3010666A1 (fr) *	2013-09-17	2015-03-20	Peugeot Citroen Automobiles Sa	Combine d'instruments pour planche de bord de vehicule automobile
WO2015040307A1 (fr) *	2013-09-17	2015-03-26	Peugeot Citroen Automobiles Sa	Combiné d'instruments pour planche de bord de véhicule automobile
WO2015040339A3 (fr) *	2013-09-23	2015-06-04	Peugeot Citroen Automobiles Sa	Combiné d'instruments pour planche de bord de véhicule automobile

Also Published As

Publication number	Publication date
CA2052437A1 (fr)	1992-03-01

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Legal Events

Date	Code	Title	Description
1991-09-26	EEER	Examination request
1998-09-28	MKLA	Lapsed