NL7214983A - - Google Patents
Info
- Publication number
- NL7214983A NL7214983A NL7214983A NL7214983A NL7214983A NL 7214983 A NL7214983 A NL 7214983A NL 7214983 A NL7214983 A NL 7214983A NL 7214983 A NL7214983 A NL 7214983A NL 7214983 A NL7214983 A NL 7214983A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1427—Control of position or direction using feedback using an analogue comparing device with non-linear amplifier chain
-
- 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
-
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Optics & Photonics (AREA)
- Control Of Position Or Direction (AREA)
- Lens Barrels (AREA)
- Control Of Velocity Or Acceleration (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5867071A GB1382057A (en) | 1971-12-17 | 1971-12-17 | Servomechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7214983A true NL7214983A (xx) | 1973-06-19 |
Family
ID=10482149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7214983A NL7214983A (xx) | 1971-12-17 | 1972-11-06 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4867682A (xx) |
| DE (1) | DE2261514A1 (xx) |
| FR (1) | FR2178549A5 (xx) |
| GB (1) | GB1382057A (xx) |
| NL (1) | NL7214983A (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5552007A (en) * | 1978-10-11 | 1980-04-16 | Canon Inc | Lens driving device with limitation of movable position |
| SE440129B (sv) | 1979-06-20 | 1985-07-15 | Akermans Verkstad Ab | Anordning for att reducera kolvhastigheten i en cylinder, da kolven nermar sig endlegena |
| JPS58110778A (ja) * | 1981-12-23 | 1983-07-01 | ワイケイケイ株式会社 | 自動開閉扉の制御装置 |
| SE459878B (sv) * | 1985-01-07 | 1989-08-14 | Akermans Verkstad Ab | Foerfarande och anordning foer att reducera kolvhastigheten i speciellt en arbetsmaskins kolv- och cylinderaggregat |
| JPS63118024U (xx) * | 1987-01-27 | 1988-07-30 | ||
| GB9223827D0 (en) * | 1992-11-13 | 1993-01-06 | Fermec Mfg Ltd | System for controlling the speed of a piston in a piston and cylinder assembly |
| DE10256923B4 (de) * | 2002-12-05 | 2013-10-24 | Liebherr-France S.A. | Verfahren und Vorrichtung zur Bewegungsdämpfung von Hydraulikzylindern mobiler Arbeitsmaschinen |
-
1971
- 1971-12-17 GB GB5867071A patent/GB1382057A/en not_active Expired
-
1972
- 1972-11-06 NL NL7214983A patent/NL7214983A/xx unknown
- 1972-12-15 DE DE19722261514 patent/DE2261514A1/de active Pending
- 1972-12-16 JP JP12582272A patent/JPS4867682A/ja active Pending
- 1972-12-18 FR FR7244983A patent/FR2178549A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2261514A1 (de) | 1973-06-20 |
| FR2178549A5 (xx) | 1973-11-09 |
| JPS4867682A (xx) | 1973-09-14 |
| GB1382057A (en) | 1975-01-29 |