| 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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| 01/03/1990 | CN2050584U Periscope for rifle |
| 01/02/1990 | US4891697 Electronic endoscope having function of effecting enlargement/reduction processing |
| 12/27/1989 | CN1038352A Image magnifying and pick-up system with lighting light-guide device |
| 12/26/1989 | US4890159 Endoscope system and method of unifying picture images in an endoscope system |
| 12/21/1989 | DE3443804A1 Optical aiming device for missiles which fly at high speed |
| 12/20/1989 | EP0347140A1 Dual view endoscope |
| 12/20/1989 | CN2049780U Myopia preventing glasses for reading |
| 12/20/1989 | CN1038172A Wide vision field portable binoculars |
| 12/19/1989 | US4887893 Periscope with one piece housing and mirror holding elements |
| 12/13/1989 | EP0345408A1 Optoelectronic sighting, aiming, measuring and controlling device |
| 12/12/1989 | US4887154 Lamp assembly and receptacle |
| 12/12/1989 | US4887109 Viewfinder for a camera with changeable focal length |
| 12/06/1989 | CN2048980U Observation glasses for bottom of pool |
| 12/06/1989 | CN2048979U Sight glasses for tv |
| 12/05/1989 | US4884871 Meter reading aid |
| 11/30/1989 | WO1989011252A1 Multi-dimensional imaging system |
| 11/29/1989 | EP0343207A1 Television camera system for use in sterile areas |
| 11/28/1989 | US4884134 Video endoscope apparatus employing device shutter |
| 11/28/1989 | US4884133 Endoscope light source apparatus |
| 11/28/1989 | US4883355 Slotted thrusters for fluid propelled borescopes |
| 11/28/1989 | US4883348 Wide field optical system |
| 11/21/1989 | US4881801 Fast, aberration-free flat field catadioptric telescope |
| 11/21/1989 | US4881796 Single-aperture multi-spectral reticle projector |
| 11/16/1989 | WO1989011112A1 Endoscope relay optics |
| 11/15/1989 | EP0341719A1 Contamination protection system for endoscope control handles |
| 11/15/1989 | EP0341718A1 Packaging system for disposable endoscope sheaths |
| 11/14/1989 | US4879992 Rigid electronic endoscope |
| 11/14/1989 | US4879991 Endoscope |
| 11/09/1989 | DE3912191A1 Endoscope |
| 11/09/1989 | DE3813963A1 Diopter sight (peep-sight) |
| 10/31/1989 | US4878112 Electronic type endoscope apparatus for use in NTSC/PAL systems |
| 10/31/1989 | US4877324 Optical sighting device with illuminated aiming mark |
| 10/31/1989 | US4877318 Ultrathin reflective oval mirrors of varying sizes; crown glass, rare earth glass |
| 10/31/1989 | US4877316 Telemicroscopic apparatus for sighting and bi-level viewing |
| 10/31/1989 | US4877314 Objective lens system for endoscopes |
| 10/26/1989 | DE3812560A1 Thermal camera |
| 10/25/1989 | EP0338567A2 Endoscope for use with a disposable sheath |
| 10/24/1989 | US4875468 Liqiud impervious; flexibility |
| 10/19/1989 | WO1989009918A1 Inspection apparatus for hot furnace |
| 10/17/1989 | US4874232 Imaging optical system |
| 10/17/1989 | US4874220 Viewing optical system for use with endoscope |
| 10/17/1989 | US4873965 Flexible endoscope |
| 10/17/1989 | CA1262311A1 Nvg compatible red light |
| 10/12/1989 | DE3812707C1 Method for viewing objects which are difficult to access, using an optical fibre bundle, and optical fibre system |
| 10/12/1989 | DE3809656A1 Television eyepiece for visual optical devices |
| 10/11/1989 | EP0336009A1 Single light conductor device |
| 10/10/1989 | US4872740 Endoscope |
| 10/10/1989 | US4872446 Endoscope with color correcting mechanism |
| 10/10/1989 | CA1262246A1 Protective endoscope sheath and method of installing same |
| 10/04/1989 | EP0335523A1 Endoscope coupler device |
| 10/03/1989 | US4872029 Automatic adjusted light switching circuit |
| 10/03/1989 | US4871229 Method for assembling optical fiber bundles in an endoscope |
| 09/26/1989 | US4870488 Endoscope imaging system used with an electronic scope and an optical endoscope |
| 09/26/1989 | US4869258 Intracavitary ultrasound scanner means |
| 09/26/1989 | US4869238 Endoscope for use with a disposable sheath |
| 09/21/1989 | DE3907856A1 Setting device for the eyepiece of an endoscope |
| 09/19/1989 | US4868647 Electronic endoscopic apparatus isolated by differential type drive means |
| 09/19/1989 | US4868645 Light control device for endoscope |
| 09/19/1989 | US4868588 Rotatable snorkel camera system |
| 09/19/1989 | US4867549 Re-imaging optical system |
| 09/19/1989 | US4867546 Objective lens system for an endoscope |
| 09/19/1989 | US4867529 Super-thin fiberscope |
| 09/19/1989 | US4867137 Electronic endoscope |
| 09/13/1989 | EP0331944A1 Inspection probe manipulator |
| 09/12/1989 | US4865448 Method and aparatus for observing the internal surface of a small hole |
| 09/12/1989 | US4865018 Control apparatus for endoscopes |
| 09/05/1989 | US4863304 Rapid connector between an endoscope and a camera |
| 09/05/1989 | US4863269 Weapon sights |
| 09/05/1989 | US4862873 Stereo endoscope |
| 08/29/1989 | US4861997 Stereoscopic thermographic apparatus |
| 08/29/1989 | US4861996 Observation and guide beam apparatus for day and night use |
| 08/29/1989 | US4860731 Endoscope |
| 08/29/1989 | US4860631 Outer tubular envelope for inserting apparatus |
| 08/29/1989 | CA1258840A1 Fiberscope with bending mechanism |
| 08/24/1989 | DE3904055A1 Ir-fenster mit metallgitter und verfahren zum herstellen eines solchen fensters IR window with metal mesh and method for producing such a window |
| 08/24/1989 | DE3804445A1 Lifting device with directional antenna and beam guidance path |
| 08/23/1989 | EP0329353A2 Methods of fabricating flexible guides for infra-red energy |
| 08/23/1989 | EP0328929A2 Camera and two-element viewfinder |
| 08/23/1989 | CN2043367U Kilowatt-hour meter reading viewer |
| 08/22/1989 | US4860038 Underwater bubble camera |
| 08/22/1989 | US4859058 Improved adjustment means for sighting instrument |
| 08/22/1989 | US4859045 For viewing a landscape |
| 08/22/1989 | US4859026 Optical assembly for aircraft trailing ground lines |
| 08/17/1989 | DE3903150A1 Lighting (illumination) system for an endoscope |
| 08/15/1989 | US4858002 Wide-angle objective for endoscopes |
| 08/15/1989 | US4857748 Apparatus for optically measuring the three-dimensional surface shape and inner structure of an object |
| 08/15/1989 | US4856883 Method of and device for seeing objects including jump-like movements of an output image about a stationary main optical axis |
| 08/15/1989 | US4856879 Aiming device |
| 08/15/1989 | US4856354 Inspection probe manipulator |
| 08/15/1989 | US4856353 Nondestructive inspection apparatus for heat-transfer tubes in boilers |
| 08/08/1989 | US4854680 Zoom view finder |
| 08/08/1989 | US4854302 Video equipped endoscope with needle probe |
| 08/02/1989 | EP0326400A1 Improvements in and relating to detection devices |
| 08/02/1989 | EP0325576A1 Improvements relating to hand-held optical apparatus |
| 08/01/1989 | US4853774 Auxiliary light apparatus for borescope |
| 07/25/1989 | US4850694 Alignment means for a light source emitting invisible laser light |
| 07/25/1989 | US4850669 Explosion-proof optical fiber connector for a light source |
| 07/25/1989 | US4850342 Hard endoscope of oblique view type |
| 07/19/1989 | EP0324657A1 Adapter assembly for endoscopic video camera |
| 07/18/1989 | US4849755 Night vision goggle compatible alarm |