CA982386A - Focus adjusting device for optical instruments - Google Patents
Focus adjusting device for optical instrumentsInfo
- Publication number
- CA982386A CA982386A CA138,224A CA138224A CA982386A CA 982386 A CA982386 A CA 982386A CA 138224 A CA138224 A CA 138224A CA 982386 A CA982386 A CA 982386A
- Authority
- CA
- Canada
- Prior art keywords
- adjusting device
- focus adjusting
- optical instruments
- instruments
- optical
- 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
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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
- G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Focusing (AREA)
- Viewfinders (AREA)
- Escalators And Moving Walkways (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2426271U JPS5317790Y2 (en) | 1971-04-02 | 1971-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA982386A true CA982386A (en) | 1976-01-27 |
Family
ID=12133307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA138,224A Expired CA982386A (en) | 1971-04-02 | 1972-03-27 | Focus adjusting device for optical instruments |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5317790Y2 (en) |
AT (1) | AT319031B (en) |
CA (1) | CA982386A (en) |
DE (1) | DE2215390A1 (en) |
FR (1) | FR2132382A1 (en) |
GB (1) | GB1367260A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49149483U (en) * | 1973-04-27 | 1974-12-24 | ||
JPS50121494U (en) * | 1974-03-20 | 1975-10-03 |
-
1971
- 1971-04-02 JP JP2426271U patent/JPS5317790Y2/ja not_active Expired
-
1972
- 1972-03-27 CA CA138,224A patent/CA982386A/en not_active Expired
- 1972-03-29 GB GB1471272A patent/GB1367260A/en not_active Expired
- 1972-03-29 DE DE19722215390 patent/DE2215390A1/en active Pending
- 1972-03-31 FR FR7211654A patent/FR2132382A1/fr not_active Withdrawn
- 1972-03-31 AT AT284972A patent/AT319031B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5317790Y2 (en) | 1978-05-12 |
FR2132382A1 (en) | 1972-11-17 |
GB1367260A (en) | 1974-09-18 |
AT319031B (en) | 1974-11-25 |
JPS4724130U (en) | 1972-11-17 |
DE2215390A1 (en) | 1972-11-23 |
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