BE734156A - - Google Patents
Info
- Publication number
- BE734156A BE734156A BE734156DA BE734156A BE 734156 A BE734156 A BE 734156A BE 734156D A BE734156D A BE 734156DA BE 734156 A BE734156 A BE 734156A
- 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)
- Accessories Of Cameras (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73532868A | 1968-06-07 | 1968-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE734156A true BE734156A (xx) | 1969-11-17 |
Family
ID=24955313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE734156D BE734156A (xx) | 1968-06-07 | 1969-06-06 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3550517A (xx) |
| AT (1) | AT293161B (xx) |
| BE (1) | BE734156A (xx) |
| CH (1) | CH501936A (xx) |
| DE (1) | DE1928725A1 (xx) |
| FR (1) | FR2010392A1 (xx) |
| GB (1) | GB1218695A (xx) |
| NL (1) | NL6908646A (xx) |
Families Citing this family (6)
| 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 |
| NL181632C (nl) * | 1976-12-23 | 1987-10-01 | Minnesota Mining & Mfg | Electreetfilter en werkwijze voor het vervaardigen daarvan. |
| JPS5652709A (en) * | 1979-10-08 | 1981-05-12 | Canon Inc | Focus control device of camera |
| AT368299B (de) * | 1980-01-03 | 1982-09-27 | Moviecam Kinematograph | Filmaufnahmekamera |
| US4794417A (en) * | 1985-10-04 | 1988-12-27 | Canon Kabushiki Kaisha | Photographing apparatus |
| CN115824177A (zh) * | 2023-02-17 | 2023-03-21 | 山东省国土测绘院 | 一种具有高稳定性的地理信息测绘标尺 |
-
1968
- 1968-06-07 US US735328A patent/US3550517A/en not_active Expired - Lifetime
-
1969
- 1969-05-28 GB GB27020/69A patent/GB1218695A/en not_active Expired
- 1969-06-03 AT AT526169A patent/AT293161B/de not_active IP Right Cessation
- 1969-06-06 FR FR6918796A patent/FR2010392A1/fr not_active Withdrawn
- 1969-06-06 CH CH884869A patent/CH501936A/fr not_active IP Right Cessation
- 1969-06-06 NL NL6908646A patent/NL6908646A/xx unknown
- 1969-06-06 BE BE734156D patent/BE734156A/xx unknown
- 1969-06-06 DE DE19691928725 patent/DE1928725A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1928725A1 (de) | 1970-01-02 |
| FR2010392A1 (xx) | 1970-02-13 |
| AT293161B (de) | 1971-09-27 |
| NL6908646A (xx) | 1969-12-09 |
| CH501936A (fr) | 1971-01-15 |
| GB1218695A (en) | 1971-01-06 |
| US3550517A (en) | 1970-12-29 |