GB1214717A - Arrangement for providing a reference mark in optical apparatus - Google Patents
Arrangement for providing a reference mark in optical apparatusInfo
- Publication number
- GB1214717A GB1214717A GB2214668A GB2214668A GB1214717A GB 1214717 A GB1214717 A GB 1214717A GB 2214668 A GB2214668 A GB 2214668A GB 2214668 A GB2214668 A GB 2214668A GB 1214717 A GB1214717 A GB 1214717A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hologram
- image
- axis
- optical
- reference mark
- 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
Links
- 230000003287 optical effect Effects 0.000 title abstract 6
- 230000001427 coherent effect Effects 0.000 abstract 2
- 230000000007 visual effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/10—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Optics & Photonics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Holo Graphy (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
1,214,717. Utilising holograms. COMPAGNIE GENERALE D'ELECTRICITE. May 9, 1968 [May 10, 1967] No.22146/68. Heading G2J. A reference mark is formed at a desired position along the optical path of an optical apparatus by locating in said apparatus at least one hologram of a desired reference mark, a source of coherent light and an optical system to form the holographic image at the required position. The hologram may be either aligned with the optical axis or located along a line perpendicular to that axis, the image being transmitted along the axis via a semi-transparent plate. In one embodiment a hologram 16, Fig.1b, is located in an arm perpendicular to the main axis of the apparatus, being illuminated by a coherent light source 12, the image being deflected by plate 19. In a further embodiment the hologram 16 is used to provide a visual image 24, Fig.2, of cross-wires at the focal point of a collinator lens 18 a distance P from that lens located externally of the apparatus. Another alternative in a microscope similar to Fig.1b, utilizes a hologram to provide a cross-wire reference image between the two lenses of the eyepiece and coincident with the image of the object under view. In a final embodiment a single hologram with two superimposed references marks is used in a sighting device to provide two aligned but spaced real images on the optical axis of the device.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR105964A FR1532389A (en) | 1967-05-10 | 1967-05-10 | Device providing a mark image in an optical device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1214717A true GB1214717A (en) | 1970-12-02 |
Family
ID=8630611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2214668A Expired GB1214717A (en) | 1967-05-10 | 1968-05-09 | Arrangement for providing a reference mark in optical apparatus |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE714277A (en) |
CH (1) | CH479880A (en) |
DE (1) | DE1772321A1 (en) |
FR (1) | FR1532389A (en) |
GB (1) | GB1214717A (en) |
LU (1) | LU55989A1 (en) |
NL (1) | NL6806127A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50147931A (en) * | 1974-05-20 | 1975-11-27 | ||
JPS52116259A (en) * | 1976-07-16 | 1977-09-29 | Ogoshi Takaaki | Measuring method |
US4200380A (en) * | 1977-10-06 | 1980-04-29 | Canon Kabushiki Kaisha | Camera provided with means for giving information about photographing |
GB2140168A (en) * | 1983-04-05 | 1984-11-21 | Fuji Photo Film Co Ltd | Automatic focusing |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT323808B (en) * | 1969-12-19 | 1975-07-25 | Siemens Ag | METHOD FOR MANUFACTURING SEMI-CONDUCTOR COMPONENTS WITH HOLOGRAPHIC PROJECTION OF THE ETCHING PATTERNS AND ARRANGEMENT FOR THEM |
US3633988A (en) * | 1970-07-10 | 1972-01-11 | Us Navy | Helmet-mounted holographic aiming sight |
JPS5332048A (en) * | 1976-09-07 | 1978-03-25 | Canon Inc | Information mark display device |
JPS5518664A (en) * | 1978-07-27 | 1980-02-08 | Canon Inc | Information mark display device |
-
1967
- 1967-05-10 FR FR105964A patent/FR1532389A/en not_active Expired
-
1968
- 1968-04-26 BE BE714277D patent/BE714277A/xx unknown
- 1968-04-26 LU LU55989D patent/LU55989A1/xx unknown
- 1968-04-29 DE DE19681772321 patent/DE1772321A1/en active Pending
- 1968-04-29 CH CH635568A patent/CH479880A/en not_active IP Right Cessation
- 1968-05-01 NL NL6806127A patent/NL6806127A/xx unknown
- 1968-05-09 GB GB2214668A patent/GB1214717A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50147931A (en) * | 1974-05-20 | 1975-11-27 | ||
JPS5827504B2 (en) * | 1974-05-20 | 1983-06-09 | キヤノン株式会社 | Information display method on image monitor |
JPS52116259A (en) * | 1976-07-16 | 1977-09-29 | Ogoshi Takaaki | Measuring method |
US4200380A (en) * | 1977-10-06 | 1980-04-29 | Canon Kabushiki Kaisha | Camera provided with means for giving information about photographing |
GB2140168A (en) * | 1983-04-05 | 1984-11-21 | Fuji Photo Film Co Ltd | Automatic focusing |
Also Published As
Publication number | Publication date |
---|---|
LU55989A1 (en) | 1968-07-12 |
DE1772321A1 (en) | 1971-01-28 |
CH479880A (en) | 1969-10-15 |
BE714277A (en) | 1968-10-28 |
FR1532389A (en) | 1968-07-12 |
NL6806127A (en) | 1968-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |