CH531729A - Automatic focusing device on an optical instrument - Google Patents
Automatic focusing device on an optical instrumentInfo
- Publication number
- CH531729A CH531729A CH1768771A CH1768771A CH531729A CH 531729 A CH531729 A CH 531729A CH 1768771 A CH1768771 A CH 1768771A CH 1768771 A CH1768771 A CH 1768771A CH 531729 A CH531729 A CH 531729A
- Authority
- CH
- Switzerland
- Prior art keywords
- automatic focusing
- focusing device
- optical instrument
- instrument
- optical
- Prior art date
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eye Examination Apparatus (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10677070 | 1970-12-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH531729A true CH531729A (en) | 1973-01-31 |
Family
ID=14442125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1768771A CH531729A (en) | 1970-12-04 | 1971-12-03 | Automatic focusing device on an optical instrument |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH531729A (en) |
DE (1) | DE2159820A1 (en) |
FR (1) | FR2116550A1 (en) |
GB (1) | GB1368819A (en) |
IT (1) | IT945236B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4090790A (en) * | 1976-07-08 | 1978-05-23 | American Optical Corporation | Apparatus for testing the refractive power(s) of lenses |
US4439663A (en) * | 1978-08-10 | 1984-03-27 | Philip Morris Incorporated | Method and system for laser perforation of sheet material |
US4611913A (en) * | 1982-04-19 | 1986-09-16 | Sugino Paul S | Method and apparatus for analyzing ophthalmic elements and the like |
US4499361A (en) * | 1983-05-02 | 1985-02-12 | Philip Morris Incorporated | Laser beam interrupter and divider |
-
1971
- 1971-11-25 GB GB5480971A patent/GB1368819A/en not_active Expired
- 1971-12-02 IT IT5447971A patent/IT945236B/en active
- 1971-12-02 DE DE19712159820 patent/DE2159820A1/en active Pending
- 1971-12-03 CH CH1768771A patent/CH531729A/en not_active IP Right Cessation
- 1971-12-03 FR FR7143611A patent/FR2116550A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB1368819A (en) | 1974-10-02 |
DE2159820A1 (en) | 1972-06-22 |
IT945236B (en) | 1973-05-10 |
FR2116550A1 (en) | 1972-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |