FR2338504B1 - - Google Patents
Info
- Publication number
- FR2338504B1 FR2338504B1 FR7600973A FR7600973A FR2338504B1 FR 2338504 B1 FR2338504 B1 FR 2338504B1 FR 7600973 A FR7600973 A FR 7600973A FR 7600973 A FR7600973 A FR 7600973A FR 2338504 B1 FR2338504 B1 FR 2338504B1
- 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.)
- Expired
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
- G02B27/40—Optical focusing aids
-
- 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
- G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7600973A FR2338504A1 (fr) | 1976-01-15 | 1976-01-15 | Dispositif pour la determination photo-electrique de la position d'un plan de nettete d'une image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7600973A FR2338504A1 (fr) | 1976-01-15 | 1976-01-15 | Dispositif pour la determination photo-electrique de la position d'un plan de nettete d'une image |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2338504A1 FR2338504A1 (fr) | 1977-08-12 |
| FR2338504B1 true FR2338504B1 (US07576130-20090818-C00114.png) | 1981-08-21 |
Family
ID=9167966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7600973A Granted FR2338504A1 (fr) | 1976-01-15 | 1976-01-15 | Dispositif pour la determination photo-electrique de la position d'un plan de nettete d'une image |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2338504A1 (US07576130-20090818-C00114.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185191A (en) * | 1978-06-05 | 1980-01-22 | Honeywell Inc. | Range determination system |
| JPS5529878A (en) * | 1978-08-24 | 1980-03-03 | Asahi Optical Co Ltd | Focus detector of camera |
| JPS5535317A (en) * | 1978-09-01 | 1980-03-12 | Asahi Optical Co Ltd | Focus detector of camera |
| DE2838647A1 (de) * | 1978-09-05 | 1980-04-10 | Siemens Ag | Verfahren zur automatischen oder halbautomatischen entfernungsmessung und scharfeinstellung der abbildung eines gegenstandes auf eine bildebene |
| US4250376A (en) * | 1979-07-20 | 1981-02-10 | Honeywell Inc. | Apparatus for range finding equipment |
-
1976
- 1976-01-15 FR FR7600973A patent/FR2338504A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2338504A1 (fr) | 1977-08-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |