| Patents for G02B 23 - Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices (16,751) |
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| 10/23/1990 | US4964724 Radiation receiving mast |
| 10/23/1990 | US4964712 Wide-view horizontal vehicle safety mirror |
| 10/23/1990 | US4964710 For viewing an object |
| 10/23/1990 | US4964709 Foldable binoculars with enclosed side walls |
| 10/23/1990 | US4964686 Finder optical device |
| 10/23/1990 | CA1275364C Optical viewing apparatus |
| 10/17/1990 | EP0392718A2 Optical connector for endoscope |
| 10/16/1990 | US4963960 Electronic endoscope apparatus employing automatic light source control |
| 10/16/1990 | US4962751 Hydraulic muscle pump |
| 10/09/1990 | US4961626 Direct incorporation of night vision in a helmet mounted display |
| 10/09/1990 | US4961278 Use with a firearm |
| 10/04/1990 | WO1990011041A1 Remote fiber optic medical procedure and device |
| 10/02/1990 | US4961110 Endoscope apparatus |
| 09/26/1990 | EP0388603A1 Method and apparatus for covertly viewing a target using infrared radiation |
| 09/26/1990 | CN2062855U Viewer for observing failures at back of equipment |
| 09/20/1990 | WO1990010573A1 Underwater vehicle with passive optical observation system |
| 09/19/1990 | EP0387423A2 Illumination device for an endoscope |
| 09/18/1990 | US4957356 Finder device |
| 09/12/1990 | EP0387227A2 Night telesope |
| 09/12/1990 | EP0386241A1 Light-guiding device for medical treatment |
| 09/11/1990 | US4955702 Fixed focus binocular with visual acuity compensating mechanism |
| 09/11/1990 | US4955687 Fiber optic telescope |
| 09/05/1990 | EP0385321A2 Endoscope holding apparatus for inspecting reciprocating engines and rotary engines having ignition plug holes, endoscope including endoscope holding apparatus and inspecting method |
| 09/04/1990 | US4953964 Phased array telescope |
| 09/04/1990 | US4953963 Aviator's night vision system |
| 09/04/1990 | US4953937 Illumination optical system |
| 09/04/1990 | CA1273518A1 Optical multiconductor of silica glass type |
| 08/29/1990 | EP0384880A2 Direct incorporation of night vision in a helmet mounted display |
| 08/29/1990 | EP0384074A2 Fixed focus binocular |
| 08/28/1990 | US4952956 Finder optical system |
| 08/28/1990 | US4952042 Missile seeker head |
| 08/28/1990 | US4952040 Illumination optical system for an endoscope |
| 08/22/1990 | EP0382791A1 Compact see-through night vision goggles |
| 08/22/1990 | CN1044884A Image pickup head for image pickup device |
| 08/21/1990 | US4951135 Electronic-type endoscope system having capability of setting AGC variation region |
| 08/21/1990 | US4951134 Color tone controller for endoscope |
| 08/21/1990 | US4951133 Endoscope light source apparatus |
| 08/21/1990 | US4950064 Carbon fiber riflescope housing |
| 08/21/1990 | US4950063 Automatic compensation of optical path for gimbaled phased array telescope |
| 08/21/1990 | US4949706 Side-viewing endoscope |
| 08/21/1990 | CA2010439A1 Helmet mounted display having dual interchangeable optical eyepieces |
| 08/21/1990 | CA2010434A1 Direct incorporation of night vision in a helmet mounted display |
| 08/16/1990 | EP0382424A2 Image pickup head for image pickup device |
| 08/16/1990 | DE4002812A1 Endoscope connecting-device for transferring object image - consists of image-conductor, connector and image observation device with pressure element |
| 08/14/1990 | US4949108 Image shooting method for recording visual spheres and device for implementing such method |
| 08/14/1990 | US4949107 Camera having telescopic capability |
| 08/14/1990 | US4947828 Endoscope connector |
| 08/14/1990 | US4947827 Flexible endoscope |
| 08/08/1990 | EP0381449A2 Heads up display for night vision goggle |
| 08/07/1990 | US4947246 Color endoscope apparatus including color lighting control |
| 08/07/1990 | US4947198 Finder optical system for single reflex cameras |
| 08/07/1990 | US4947044 Method and apparatus for covertly viewing a target using infrared radiation |
| 08/07/1990 | US4946267 Endoscope relay optics |
| 08/07/1990 | US4945895 Remote fiber optic medical procedure and device |
| 08/07/1990 | US4945894 Endoscope having X-ray non-transmitting material |
| 08/07/1990 | US4945646 Arrangement in a luminous dot sighting instrument |
| 08/07/1990 | CA1272403A1 Foldable binocular and blank therefor |
| 08/02/1990 | DE3901931A1 Lichtleitfaser zur radiaeren bestrahlung von roehrenfoermigen hohlsystemen mit laserstrahlen Optical fiber for radial irradiation of roehrenfoermigen hollow systems with laser beams |
| 08/01/1990 | CA2008461A1 Heads up display for night vision goggle |
| 07/31/1990 | US4945366 Endoscope still photographing apparatus provided with an automatic illuminating light amount controlling function |
| 07/25/1990 | CN1008947B Coaxal focussing mechanism of binocular night vision device |
| 07/24/1990 | US4944030 Lens shutter camera including zoom lens |
| 07/24/1990 | US4943149 Telescope |
| 07/24/1990 | US4943147 Chopping secondary mirror system |
| 07/24/1990 | US4942867 Distal end part of endoscope |
| 07/24/1990 | US4942866 Bending control apparatus for endoscope |
| 07/18/1990 | CN2059509U Scope for back light surface |
| 07/18/1990 | CN2059508U Internal focusing telescope |
| 07/17/1990 | US4941457 Endoscope using an optical guide twisted on the tip side to have the visual field direction and curvature axis coincide with each other |
| 07/17/1990 | US4941456 Portable color imager borescope |
| 07/17/1990 | US4941455 Endoscope having bending means |
| 07/12/1990 | WO1990007298A1 Flexible endoscope |
| 07/12/1990 | DE4000448A1 Optical system with view finder - and penta-mirror has two plastic lenses of specified parameters |
| 07/11/1990 | CN2059247U Folding telescope |
| 07/10/1990 | US4940324 Electronic sight having a larger horizontal viewing field than a vertical viewing field and method of making same |
| 07/04/1990 | EP0376108A2 Telescope with image stabilisation |
| 07/04/1990 | EP0376107A2 Telescope with image stabilisation |
| 07/03/1990 | US4938205 Endoscope with traced raster and elemental photodetectors |
| 06/30/1990 | CA2006846A1 Flexible endoscope |
| 06/27/1990 | EP0374642A1 Observation of furnace interiors |
| 06/27/1990 | CN2058759U Image-quality compensator for image-transmitting optical fibre |
| 06/26/1990 | US4936667 Binocular microscope attachment for correction of ametropia |
| 06/26/1990 | US4936664 Zoom lens drive system for camera |
| 06/26/1990 | US4936472 Arrangement for holding components in a stack |
| 06/20/1990 | EP0374031A1 Rigid video endoscopes |
| 06/20/1990 | CA2006035A1 Observation of furnace interiors |
| 06/19/1990 | US4934786 Walking borescope |
| 06/19/1990 | US4934771 Optical apparatus |
| 06/19/1990 | US4934339 Intravascular endoscope apparatus |
| 06/19/1990 | US4934246 Wide angled trapezoidal periscope |
| 06/13/1990 | EP0372885A2 Flexible guides for light energy |
| 06/12/1990 | US4933760 Movement detecting circuit |
| 06/12/1990 | US4933694 Camera view finder |
| 06/12/1990 | US4932394 Endoscope including scope terminal locking indicator |
| 06/06/1990 | EP0371233A2 Technical endoscope |
| 06/05/1990 | USH783 Telescope with improved mirror support |
| 06/05/1990 | US4930861 Television camera for endoscopes |
| 06/05/1990 | US4930851 Image magnifying and pick-up system with lighting light-guide device |
| 06/03/1990 | CA2004433A1 Flexible guides for light energy |
| 05/31/1990 | WO1990005479A1 Endoscope, in particular arthroscope |