| 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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| 09/13/1988 | US4770519 Drinking cup adaptable into binoculars |
| 09/13/1988 | US4770515 Optical viewing or projection device |
| 09/13/1988 | US4770443 Inserted part of an industrial endoscope |
| 09/13/1988 | US4770188 Guide tube assembly for an endoscope |
| 09/13/1988 | US4770163 Fiberscope |
| 09/07/1988 | WO1988006743A1 Reflector telescope |
| 09/07/1988 | EP0281161A2 Cable assembly for laser endoscope apparatus |
| 09/07/1988 | CN88201250U Foling observation mirror |
| 08/31/1988 | EP0280452A1 High intensity light shut-down circuit for night vision goggle |
| 08/31/1988 | EP0280397A2 Endoscope |
| 08/31/1988 | EP0280384A1 Endoscope with removable eyepiece |
| 08/30/1988 | US4768089 Endoscopic system |
| 08/25/1988 | DE3712643A1 Endoscope |
| 08/24/1988 | EP0279576A1 Endoscope |
| 08/23/1988 | US4766489 Electronic endoscope with image edge enhancement |
| 08/23/1988 | US4766285 Apparatus for the real time checking of a total penetration weld for a joint which cannot be directly observed |
| 08/23/1988 | US4765313 Objective part replaceable endoscope tip |
| 08/23/1988 | US4765312 Endoscope |
| 08/17/1988 | EP0278929A1 Alignment means for a light source emitting invisible laser light |
| 08/17/1988 | CN88211074U Tele-periscope |
| 08/16/1988 | US4764881 Computer controlled altazimuth telescope mount |
| 08/16/1988 | US4764334 Visual inspection system for radioactive fuel assemblies using fiberoptics |
| 08/16/1988 | US4764011 Sighting device for day and night use |
| 08/16/1988 | US4764001 Retrofocus-type objective for an endoscope |
| 08/16/1988 | US4763997 Viewfinder optical system of inverted Galilean type with great magnification |
| 08/16/1988 | US4763988 Periscope apparatus comprising a single inverted pyramid |
| 08/09/1988 | US4762118 Self-adjusting steering mechanism for borescope, endoscope, or guide tube |
| 08/03/1988 | EP0276412A2 Split-image optic |
| 08/03/1988 | EP0276271A1 Image shooting method for recording and reproducing complete panoramic views and device for implementing such method |
| 08/02/1988 | US4761054 Infrared fiber cable |
| 08/02/1988 | US4760839 Mesh pattern eraser for endoscope |
| 07/27/1988 | EP0276139A2 Endoscope apparatus |
| 07/27/1988 | EP0275761A1 Gun sight |
| 07/26/1988 | US4759604 Optical multiconductor of silica glass type |
| 07/26/1988 | US4759348 Endoscope assembly and surgical instrument for use therewith |
| 07/26/1988 | CA1239529A1 Sighting device for a steam generator tube plate |
| 07/19/1988 | US4758077 Binocular using collimating mirror to replace porro prisms |
| 07/19/1988 | US4758076 Combined night/day viewing apparatus |
| 07/19/1988 | US4757805 Endoscope |
| 07/13/1988 | CN87204475U Mini-card type telescope |
| 07/12/1988 | US4757336 View finder of variable magnification |
| 07/12/1988 | US4756614 Film projector toy |
| 07/12/1988 | US4756597 Light guide, in particular for medical instruments |
| 07/12/1988 | US4756303 Insertion section of an endoscope |
| 07/06/1988 | EP0273180A2 Intracavitary ultrasonic scanning apparatus |
| 07/05/1988 | US4755725 High intensity light shut-down circuit for night vision goggle |
| 07/05/1988 | US4755664 For a vehicle |
| 07/05/1988 | US4755029 Objective for an endoscope |
| 06/30/1988 | DE3643276A1 Imaging sensor system |
| 06/28/1988 | US4754328 Laser endoscope |
| 06/28/1988 | US4753378 Night vision goggle headgear |
| 06/28/1988 | US4753224 Endoscope tip |
| 06/28/1988 | US4753222 Endoscopic flexible tube |
| 06/22/1988 | EP0271545A1 Side-viewing endoscope. |
| 06/15/1988 | EP0270967A2 Supporting structure of telescope mirror |
| 06/14/1988 | US4751539 For observing a real image |
| 06/14/1988 | US4751387 Infrared imaging system and method |
| 06/14/1988 | US4750823 Central focussing device for internal focussing in binoculars |
| 06/14/1988 | US4750476 Endoscope with multiple section image transmitting rod |
| 06/14/1988 | US4750475 Operating instrument guide mechanism for endoscope apparatus |
| 06/08/1988 | EP0270338A2 Improved viewfinder |
| 06/07/1988 | US4750014 Optical device |
| 06/07/1988 | US4749271 Finder scope for use with astronomical telescopes |
| 06/07/1988 | US4748969 Multi-lumen core deflecting endoscope |
| 06/01/1988 | EP0268778A2 Modular construction surveillance and sighting device for combat vehicles |
| 05/31/1988 | US4747661 Endoscope tip adaptor |
| 05/31/1988 | US4747660 Light transmitter |
| 05/25/1988 | CN85107091B Endoscope incorporating a solid image pickup element |
| 05/24/1988 | US4746975 Electronic endscope apparatus |
| 05/24/1988 | US4746974 Endoscopic apparatus |
| 05/24/1988 | US4746203 Optical system for endoscope |
| 05/24/1988 | US4745908 Inspection instrument fexible shaft having deflection compensation means |
| 05/18/1988 | EP0267754A2 Partial eyeshield |
| 05/17/1988 | US4745470 Endoscope using a chip carrier type solid state imaging device |
| 05/17/1988 | US4744361 Resectoscope |
| 05/17/1988 | CA1236719A1 Chromatic aberration corrected gradient index lens system |
| 05/11/1988 | EP0267164A2 Periscope device adaptable for day/night vision |
| 05/11/1988 | EP0137845B1 Dual field of view sensor |
| 05/10/1988 | US4743966 Endoscope apparatus for imaging internal portions of a patient's body |
| 05/10/1988 | US4743765 In a telescopic sighting tube |
| 05/10/1988 | US4742818 Soakable eyepiece for endoscopes |
| 05/10/1988 | US4742816 Operation device for endoscopes |
| 05/10/1988 | CA1236441A1 Fiberscope |
| 05/05/1988 | WO1988002877A3 Optical device |
| 05/05/1988 | DE3736030A1 Endoscope |
| 05/05/1988 | DE3735771A1 Endoscope with adjustable eyepiece |
| 05/03/1988 | US4742388 Color video endoscope system with electronic color filtering |
| 05/03/1988 | US4741608 Turning mirror for integrating image and light indicator ray bundles |
| 05/03/1988 | US4741327 Endoscope having bent circuit board |
| 04/27/1988 | EP0264659A1 Observation window through a wall, especially of a radioactive cell |
| 04/27/1988 | EP0264591A2 Method for measuring the optical axes of a projector guide beam and device for carrying out the method |
| 04/21/1988 | WO1988002877A2 Optical device |
| 04/20/1988 | CN87206401U Telescope with ball pen |
| 04/19/1988 | US4738500 Electromagnetically driven oscillating mirror |
| 04/13/1988 | CN87206847U Single tube telescope attached to spectacles |
| 04/12/1988 | US4737622 Apparatus for photometrically detecting an optically focused condition of an optical system |
| 04/12/1988 | US4737023 Binocular periscope viewing device including triple prism for image splitting |
| 04/12/1988 | US4736734 Endoscope with variable illumination angle |
| 04/12/1988 | US4736733 Endoscope with removable eyepiece |
| 04/07/1988 | DE3632732A1 Visor arrangement in heat image apparatuses |