FR2205678A1 - - Google Patents
Info
- Publication number
- FR2205678A1 FR2205678A1 FR7239519A FR7239519A FR2205678A1 FR 2205678 A1 FR2205678 A1 FR 2205678A1 FR 7239519 A FR7239519 A FR 7239519A FR 7239519 A FR7239519 A FR 7239519A FR 2205678 A1 FR2205678 A1 FR 2205678A1
- Authority
- FR
- France
- 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
Links
Classifications
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- 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
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/286—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
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- 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
- G03B13/18—Focusing aids
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7239519A FR2205678B1 (ko) | 1972-11-08 | 1972-11-08 | |
US410216A US3877789A (en) | 1972-11-08 | 1973-10-26 | Mode transformer for light or millimeter electromagnetic waves |
GB5045073A GB1441975A (en) | 1972-11-08 | 1973-10-30 | Mode transformer for light or millimetre electromagnetic waves |
DE2355655A DE2355655C3 (de) | 1972-11-08 | 1973-11-07 | Vorrichtung zum Umwandeln eines Strahls elektromagnetischer Energie mit linearer Polarisierung der Welle |
JP48125888A JPS49135552A (ko) | 1972-11-08 | 1973-11-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7239519A FR2205678B1 (ko) | 1972-11-08 | 1972-11-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2205678A1 true FR2205678A1 (ko) | 1974-05-31 |
FR2205678B1 FR2205678B1 (ko) | 1975-09-12 |
Family
ID=9106820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7239519A Expired FR2205678B1 (ko) | 1972-11-08 | 1972-11-08 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2205678B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2403667A2 (fr) * | 1977-09-19 | 1979-04-13 | Marie G R P | Convertisseurs de mode de polarisation pour faisceaux laser et generateurs de plasma les utilisant |
FR2413678A1 (fr) * | 1977-12-28 | 1979-07-27 | Marie G R P | Convertisseurs de mode d'une onde non confinante en une onde confinante dans l'infrarouge lointain |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8104946A (nl) * | 1981-11-02 | 1983-06-01 | Philips Nv | Inrichting voor het uitlezen en/of inschrijven van een optisch uitleesbare informatiestructuur op een registratiedrager. |
-
1972
- 1972-11-08 FR FR7239519A patent/FR2205678B1/fr not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2403667A2 (fr) * | 1977-09-19 | 1979-04-13 | Marie G R P | Convertisseurs de mode de polarisation pour faisceaux laser et generateurs de plasma les utilisant |
FR2413678A1 (fr) * | 1977-12-28 | 1979-07-27 | Marie G R P | Convertisseurs de mode d'une onde non confinante en une onde confinante dans l'infrarouge lointain |
Also Published As
Publication number | Publication date |
---|---|
FR2205678B1 (ko) | 1975-09-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |