GB2270389B - Apparatus for detecting a sight axis - Google Patents

Apparatus for detecting a sight axis

Info

Publication number: GB2270389B
Authority: GB; United Kingdom
Prior art keywords: detecting; sight axis; sight; axis
Prior art date: 1992-09-07
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

GB9318035A

Other versions

GB9318035D0 (en

GB2270389A (en

Inventor

Tatsuyuki Tokunaga

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.)

Canon Inc

Original Assignee

Canon Inc

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.)

1992-09-07

Filing date

1993-08-31

Publication date

1995-10-11

1992-09-07 Priority claimed from JP4262749A external-priority patent/JPH0688935A/en

1993-08-20 Priority claimed from GB9317396A external-priority patent/GB2270171B/en

1993-08-31 Application filed by Canon Inc filed Critical Canon Inc

1993-09-03 Priority to GB9318252A priority Critical patent/GB2273991B/en

1993-10-20 Publication of GB9318035D0 publication Critical patent/GB9318035D0/en

1994-03-09 Publication of GB2270389A publication Critical patent/GB2270389A/en

1995-10-11 Application granted granted Critical

1995-10-11 Publication of GB2270389B publication Critical patent/GB2270389B/en

2013-08-31 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/091—Digital circuits
- G03B7/097—Digital circuits for control of both exposure time and aperture
- 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
- G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/287—Systems for automatic generation of focusing signals including a sight line detecting device
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/02—Viewfinders
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/26—Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2213/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B2213/02—Viewfinders
- G03B2213/025—Sightline detection

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Automatic Focus Adjustment (AREA)

GB9318035A 1992-09-07 1993-08-31 Apparatus for detecting a sight axis Expired - Fee Related GB2270389B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9318252A GB2273991B (en)	1992-09-07	1993-09-03	Optical equipment with device for detecting direction of visual axis

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP4262749A JPH0688935A (en)	1992-09-07	1992-09-07	Optical device having detecting function for line of sight
GB9317396A GB2270171B (en)	1992-08-24	1993-08-20	Optical apparatus having a function of inputting data of a visual axis

Publications (3)

Publication Number	Publication Date
GB9318035D0 GB9318035D0 (en)	1993-10-20
GB2270389A GB2270389A (en)	1994-03-09
GB2270389B true GB2270389B (en)	1995-10-11

Family

ID=26303408

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9318035A Expired - Fee Related GB2270389B (en)	1992-09-07	1993-08-31	Apparatus for detecting a sight axis

Country Status (1)

Country	Link
GB (1)	GB2270389B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2272068B (en) *	1992-10-20	1996-07-31	Asahi Optical Co Ltd	Camera with learning function
GB2295024B (en) *	1992-10-20	1996-07-31	Asahi Optical Co Ltd	Camera

1993
- 1993-08-31 GB GB9318035A patent/GB2270389B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB9318035D0 (en)	1993-10-20
GB2270389A (en)	1994-03-09

Publication	Publication Date	Title
EP0496411A3 (en)	1992-10-14	Distance detecting apparatus for a vehicle
EP0482604A3 (en)	1993-04-28	Distance detecting apparatus for a vehicle
EP0519630A3 (en)	1993-03-03	Location detecting apparatus
GB2272762B (en)	1996-10-16	Pattern detecting apparatus
EP0586155A3 (en)	1995-12-13	A display apparatus
GB2276515B (en)	1996-11-13	Leakage-sound detecting apparatus
GB2272124B (en)	1997-05-21	Visual axis detection apparatus
GB9207478D0 (en)	1992-05-20	A measuring apparatus
GB2279843B (en)	1998-04-01	A focus detecting apparatus
EP0474067A3 (en)	1992-06-24	Distance detecting apparatus
GB2282891B (en)	1997-09-03	Acceleration detecting apparatus
EP0500116A3 (en)	1993-05-26	Position detecting apparatus
GB2263167B (en)	1995-06-07	Sensor apparatus
GB9213915D0 (en)	1992-08-12	Apparatus for measuring deformation
GB9218343D0 (en)	1992-10-14	A mounting apparatus
GB2270389B (en)	1995-10-11	Apparatus for detecting a sight axis
HK159696A (en)	1996-08-30	Vehicle location detecting apparatus
GB2263768B (en)	1996-01-03	A sampling apparatus
GB2269672B (en)	1995-10-25	A detecting apparatus
ZA935472B (en)	1994-02-23	Apparatus for retaining a device
GB9210862D0 (en)	1992-07-08	Gauging apparatus utilizing optical position monitoring
EP0586237A3 (en)	1994-08-10	Apparatus for delivering a sample
GB9125267D0 (en)	1992-01-29	Apparatus for detecting movement
IL99790A0 (en)	1992-08-18	Optical detecting apparatus
GB2275789B (en)	1995-06-28	Hand-held support for a sighting means

Legal Events

Date	Code	Title	Description
2013-04-24	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20120831