BE734160A - - Google Patents
Info
- Publication number
- BE734160A BE734160A BE734160DA BE734160A BE 734160 A BE734160 A BE 734160A BE 734160D A BE734160D A BE 734160DA BE 734160 A BE734160 A BE 734160A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
-
- 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)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Focusing (AREA)
- Lens Barrels (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73527868A | 1968-06-07 | 1968-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE734160A true BE734160A (fr) | 1969-11-17 |
Family
ID=24955112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE734160D BE734160A (fr) | 1968-06-07 | 1969-06-06 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3538832A (fr) |
AT (1) | AT296007B (fr) |
BE (1) | BE734160A (fr) |
CH (1) | CH493826A (fr) |
DE (1) | DE1928790A1 (fr) |
FR (1) | FR2010388A1 (fr) |
GB (1) | GB1211838A (fr) |
NL (1) | NL141655B (fr) |
SE (1) | SE338917B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3675559A (en) * | 1969-12-31 | 1972-07-11 | Bell & Howell Co | Pendulous type rangefinder for optical instrument |
US4000501A (en) * | 1971-11-13 | 1976-12-28 | Canon Kabushiki Kaisha | Optical instrument with a zoom lens structure |
US5276555A (en) * | 1992-11-23 | 1994-01-04 | Corning Incorporated | Focus adjustment assemblies for projection television |
-
1968
- 1968-06-07 US US735278A patent/US3538832A/en not_active Expired - Lifetime
-
1969
- 1969-05-28 GB GB27019/69A patent/GB1211838A/en not_active Expired
- 1969-06-05 SE SE07964/69A patent/SE338917B/xx unknown
- 1969-06-06 AT AT541569A patent/AT296007B/de not_active IP Right Cessation
- 1969-06-06 BE BE734160D patent/BE734160A/xx unknown
- 1969-06-06 FR FR6918792A patent/FR2010388A1/fr not_active Withdrawn
- 1969-06-06 DE DE19691928790 patent/DE1928790A1/de active Pending
- 1969-06-06 NL NL696908647A patent/NL141655B/xx unknown
- 1969-06-06 CH CH884769A patent/CH493826A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1211838A (en) | 1970-11-11 |
NL141655B (nl) | 1974-03-15 |
SE338917B (fr) | 1971-09-20 |
DE1928790A1 (de) | 1970-01-02 |
US3538832A (en) | 1970-11-10 |
NL6908647A (fr) | 1969-12-09 |
CH493826A (fr) | 1970-07-15 |
FR2010388A1 (fr) | 1970-02-13 |
AT296007B (de) | 1972-01-25 |