GB430826A - Improvements in or connected with encased optical observation instruments and the transmission of motion from the outside of the casing to parts within the casing - Google Patents
Improvements in or connected with encased optical observation instruments and the transmission of motion from the outside of the casing to parts within the casingInfo
- Publication number
- GB430826A GB430826A GB3622333A GB3622333A GB430826A GB 430826 A GB430826 A GB 430826A GB 3622333 A GB3622333 A GB 3622333A GB 3622333 A GB3622333 A GB 3622333A GB 430826 A GB430826 A GB 430826A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casing
- outside
- carries
- rotatable
- control element
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/06—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors having a focussing action, e.g. parabolic mirror
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Abstract
430,826. Optical observatiom instruments. BARR & STROUD, Ltd., and STRANG, J. M., Caxton Street, Anniesland, Glasgow. Dec. 23, 1933, No. 36223. [Class 97 (i)] A part of an encased optical observation in. strument, e.g. a telescope, binoculars, rangefinder, height-finder, or periscope, is movable by magnet action exercised from outside the casing by a control element movable by hand. The control element may be a permanent magnet or electromagnet ordinarily remaining attached to the casing or alternatively may be detached and applied to the casing when desired. Soft iron pieces may be provided in the casing to assist the magnet action. The casing of a telescope may be provided with a rotatable annular control ring which carries two semicircular magnets and is concentric with a rotatable disc pivoted inside the casing. The disc carries a number of filters for alternative use and an armature to co-operate with the magnets on the control element. In a modification the filter disc may have peripheral teeth engaging a pinion the spindle of which carries an armature co-operating with a rotatable control ring outside the casing. Fig. 8 shows a lens carrier E which is moved axially for focusing by screw action in a casing D. A rotatable control ring C<2> on the casing D carries a magnet 18 co-operating with an armature 17 on the carrier E. A control ring movable longitudinally on the outside of the tubular casing of a rangefinder may be used to move the carrier of refracting prisms inside the casing along longitudinal guides. The control element may be used to release locking members.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3622333A GB430826A (en) | 1933-12-23 | 1933-12-23 | Improvements in or connected with encased optical observation instruments and the transmission of motion from the outside of the casing to parts within the casing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3622333A GB430826A (en) | 1933-12-23 | 1933-12-23 | Improvements in or connected with encased optical observation instruments and the transmission of motion from the outside of the casing to parts within the casing |
Publications (1)
Publication Number | Publication Date |
---|---|
GB430826A true GB430826A (en) | 1935-06-24 |
Family
ID=10386115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3622333A Expired GB430826A (en) | 1933-12-23 | 1933-12-23 | Improvements in or connected with encased optical observation instruments and the transmission of motion from the outside of the casing to parts within the casing |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB430826A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE970298C (en) * | 1953-08-25 | 1958-09-04 | Leitz Ernst Gmbh | Telescope with objective and eyepiece firmly attached to the housing |
US2977849A (en) * | 1958-10-23 | 1961-04-04 | Alexander A Wassel | Optical element holder assembly |
US3062100A (en) * | 1953-08-24 | 1962-11-06 | Leitz Ernst Gmbh | Focussing telescope objective |
US3202053A (en) * | 1961-06-21 | 1965-08-24 | Bausch & Lomb | Polarizing filter holders for inverted microscopes |
US5056902A (en) * | 1990-04-25 | 1991-10-15 | Smith & Nephew Dyonics, Inc. | Magnetically coupled lens actuator |
US5836867A (en) * | 1996-11-27 | 1998-11-17 | Linvatec Corporation | Magnetic coupling assembly for endoscope |
-
1933
- 1933-12-23 GB GB3622333A patent/GB430826A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3062100A (en) * | 1953-08-24 | 1962-11-06 | Leitz Ernst Gmbh | Focussing telescope objective |
DE970298C (en) * | 1953-08-25 | 1958-09-04 | Leitz Ernst Gmbh | Telescope with objective and eyepiece firmly attached to the housing |
US2977849A (en) * | 1958-10-23 | 1961-04-04 | Alexander A Wassel | Optical element holder assembly |
US3202053A (en) * | 1961-06-21 | 1965-08-24 | Bausch & Lomb | Polarizing filter holders for inverted microscopes |
US5056902A (en) * | 1990-04-25 | 1991-10-15 | Smith & Nephew Dyonics, Inc. | Magnetically coupled lens actuator |
US5836867A (en) * | 1996-11-27 | 1998-11-17 | Linvatec Corporation | Magnetic coupling assembly for endoscope |
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