| 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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| 04/07/1981 | US4260253 Precision celestial pole locator |
| 04/07/1981 | US4260217 Panoramic periscope |
| 04/07/1981 | CA1098746A1 Modular rod lens assembly and method of making the same |
| 04/01/1981 | EP0025969A1 A structure including a light-receiving end portion of an endoscope light guide |
| 04/01/1981 | EP0025958A2 Endoscope apparatus having a duplex transmission function |
| 03/25/1981 | EP0025728A1 Device for coupling a light source with divergent radiation to an optical fibre and method for the realisation of such a device |
| 03/25/1981 | EP0025581A1 Light source device |
| 03/24/1981 | US4258126 Photoresists |
| 03/18/1981 | EP0025398A1 Multiple-field optical system |
| 03/11/1981 | EP0024706A2 Endoscope system |
| 03/10/1981 | US4255762 Apparatus for inspecting pipes in a plant |
| 03/10/1981 | US4255013 Rifle scope having compensation for elevation and drift |
| 03/03/1981 | US4253448 Endoscope connector |
| 03/03/1981 | US4253447 Color endoscope with charge coupled device and television viewing |
| 02/10/1981 | US4249799 Connector for optical devices |
| 02/10/1981 | US4249797 Dual image viewer with mirror adjusting means |
| 02/10/1981 | US4249795 Scope for viewing the internal surface of a bore or similar cavity |
| 02/10/1981 | US4249793 Erect type zoom telescopic optical system |
| 02/03/1981 | US4248496 Riflescope with data display in field of view |
| 02/03/1981 | US4248213 Articulated optical coupler |
| 01/14/1981 | EP0022220A2 Multiple viewing attachment for an endoscope |
| 01/13/1981 | CA1093360A1 Rod lens assembly and method of making the same |
| 01/13/1981 | CA1093355A1 Binocular telescope with off axis reflectors |
| 01/07/1981 | EP0022008A1 Optical relay for transferring an image from one point to another on an optical axis |
| 12/30/1980 | US4241729 Endoscope with gas-tight cap permitting pressurization |
| 12/23/1980 | US4241252 Flexible leaf contact system for night vision optical instruments |
| 12/23/1980 | US4240706 Optical probe |
| 12/23/1980 | US4240702 Field corrector for two mirror objective systems |
| 12/23/1980 | US4240690 Sliding finger plate focus adjusting device for a binocular |
| 12/16/1980 | US4239328 Collapsible binocular and blank therefor |
| 12/10/1980 | EP0019792A1 Supplementary objectives for operation microscopes |
| 12/09/1980 | US4238089 Aiming and guiding device for remote controlled, jet propelled projectiles |
| 12/02/1980 | US4237492 Image observation apparatus |
| 12/02/1980 | CA1090635A1 Dynamic image enhancement for fiber optic devices |
| 11/26/1980 | EP0019262A1 High magnification optical system for endoscopes |
| 11/25/1980 | US4235541 Periscope finder |
| 11/25/1980 | US4235510 Binoculars with cover members |
| 11/25/1980 | US4235506 Image stabilized optical system |
| 11/12/1980 | EP0018746A1 Boresight tester for laser designators |
| 11/12/1980 | EP0018449A1 Improved collimator gun sight |
| 11/11/1980 | US4232965 Optical sighting device |
| 11/11/1980 | US4232936 Pivot-joint construction for binocular telescope |
| 11/11/1980 | US4232933 Optical system of colposcope |
| 11/04/1980 | US4232222 Binocular night glass |
| 10/29/1980 | EP0018279A1 System for optoelectrical detection and for observation |
| 10/29/1980 | EP0018126A1 Apparatus for endoscopic photography |
| 10/29/1980 | EP0018125A1 Camera apparatus for use with an endoscope |
| 10/21/1980 | US4229069 Device for remote viewing of objects in ionizing radiation fields |
| 10/15/1980 | EP0017464A1 Apparatus for endoscopic photography |
| 10/15/1980 | EP0017340A1 Day and night observation apparatus |
| 10/15/1980 | EP0017272A1 Device for diverting external weather influences from the objective of a directional periscope installed in an armoured car |
| 10/07/1980 | US4227208 Optical comb filter |
| 10/07/1980 | US4226518 Photographic camera having long focal length objective |
| 10/02/1980 | WO1980002069A1 Sighting instruments,in particular for fire arms |
| 09/17/1980 | EP0015454A1 Light source unit for an endoscope |
| 09/16/1980 | US4222646 Prime focus camera for telescope |
| 09/16/1980 | CA1085662A1 Optical device for inspecting the interior of an enclosure |
| 09/09/1980 | US4221966 Infrared surveillance system |
| 09/03/1980 | EP0014762A1 Annular weld inspection apparatus |
| 08/26/1980 | US4219263 Camera for use in a telescope |
| 08/21/1980 | WO1980001641A1 Contact endoscopy and micro endoscopy |
| 08/05/1980 | US4215916 Submerged meter reading device |
| 07/01/1980 | US4210807 Heat imaging apparatus |
| 06/24/1980 | US4209691 Night vision system comprising a light source and image intensifier powered in alteration |
| 06/24/1980 | US4209228 Pressure-light endoscope |
| 06/03/1980 | US4205894 Hermetically sealed binoculars |
| 05/27/1980 | CA1078232A1 Optical magnifying device |
| 05/14/1980 | EP0010849A1 A periscopic sight |
| 05/13/1980 | US4202598 Binoculars with individual quick focusing eyepieces |
| 04/30/1980 | EP0010324A1 Thermal-image device with pneumatic infrared detectors |
| 04/29/1980 | US4200355 Telescopic scope having an integrally formed saddle |
| 04/22/1980 | US4199257 Projected reticle optical sighting system |
| 04/22/1980 | US4199238 Miniature camera probe |
| 04/22/1980 | US4199217 Infra-red optical systems |
| 04/15/1980 | CA1075507A1 Observation and sighting apparatus such as for vehicles |
| 04/08/1980 | US4196966 Binocular magnification system |
| 04/01/1980 | US4195922 Snorkel camera system |
| 04/01/1980 | US4195915 Liquid crystal image projector system |
| 04/01/1980 | US4195904 Optical system of viewing-direction changing attachment for endoscopes |
| 02/26/1980 | US4190857 Periscope assembly |
| 02/26/1980 | US4190312 Light display means |
| 01/29/1980 | US4185892 Apparatus for the adjustment of two intersecting optical axes |
| 01/15/1980 | US4183624 Lenses |
| 01/08/1980 | US4182565 Light-ray deviator for camera objective |
| 01/08/1980 | US4182547 Image focusing apparatus for fiberscopes |
| 12/12/1979 | EP0005705A1 Telescope and its application in binoculars |
| 12/11/1979 | US4178072 Optical systems |
| 12/04/1979 | US4176920 Ophthalmoscopic system with a wide angle objective lens |
| 11/14/1979 | EP0005401A1 Optical panoramic-surveyance apparatus carried by a vehicle |
| 11/14/1979 | EP0005245A1 Liquid crystal image projector system |
| 11/06/1979 | US4173394 Prism combination periscope |
| 10/30/1979 | US4172634 Cam follower for variable power scopes |
| 10/23/1979 | US4171888 Finder optical system for a single lens reflex camera |
| 09/25/1979 | US4168882 Optical systems |
| 09/25/1979 | US4168702 Camera operating device for endoscope |
| 09/18/1979 | US4168106 Pupil enlargement component for an optical device |
| 09/11/1979 | US4167302 Surgical microscopes with L-shaped mounting brackets |
| 09/04/1979 | US4166953 Adaptor in form of a spectral converter |
| 08/28/1979 | US4165917 Objective for endoscopes |
| 08/28/1979 | CA1061442A1 Night glass |