Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 23 - Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
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)
12/1981
12/29/1981US4307931 Microscope eyeshield
12/23/1981EP0042324A1 Device for binocular observation especially for telescope
12/22/1981US4306835 Air purging unit for an optical pyrometer of a gas turbine engine
12/16/1981EP0041765A1 Method and apparatus for detecting optical signals under ambient light conditions
12/15/1981US4306150 Thermal image forming device comprising pneumatic infrared detectors
12/15/1981US4305386 Mounting device for accessories of endoscope oculars
12/08/1981CA1113753A1 Optical viewer with selected magnification
11/1981
11/17/1981US4300812 Optical system for endoscopes
11/11/1981EP0039458A1 Light supply device for endoscope
11/04/1981EP0039047A1 Endoscope photographing system
11/04/1981EP0038939A1 Blocking device for a member movable along a straight line or around an axis
11/03/1981US4298312 Damaged vane locating method and apparatus
11/03/1981US4298260 Apparatus for endoscopic photography
11/03/1981CA1111685A1 Periscopic sight with a unitary lens system
11/03/1981CA1111684A1 Device for viewing residual light in the visible and the near infrared spectrum
10/1981
10/13/1981US4294511 Connecting optical system for light guides
10/13/1981US4294233 Slack absorbing device for an endoscope
10/06/1981US4293187 Binocular optical system with automatic focussing
10/06/1981US4293185 Optical conversion assembly for objective camera lenses
10/06/1981US4292961 Apparatus for automatically controlling the position of endoscopes or similar devices in a cavity
09/1981
09/30/1981EP0036588A1 Photographing apparatus for an endoscope
09/29/1981US4291961 Apparatus for endoscopic photography
09/29/1981US4291937 Optical panoramic survey
09/23/1981EP0036196A2 A light supply device for an endoscope
09/23/1981EP0036099A1 A mirror and prism combination for the harmonisation of optical axes
09/22/1981US4290421 Fiberscope
09/01/1981US4286839 Light directing control system, particularly for medical operating and diagnostic use
09/01/1981US4286585 Bend angle control for endoscope
08/1981
08/25/1981US4285578 Photo eyepiece for endoscopes
08/25/1981CA1107545A1 Binocular reflecting telescope
08/25/1981CA1107544A1 Sighting in apparatus for rifle mounted telescope gunsights
08/19/1981EP0033946A2 Binocular night telescope
08/18/1981US4284338 Photographing apparatus for an endoscope
08/18/1981US4284326 Apparatus for eliminating external weather effects from the objective lens system of an aiming periscope installed at an armed vehicle
08/18/1981US4284325 Eye span adjustment mechanism for binoculars
08/12/1981EP0033369A1 Tension-free suspension assembly for a spindle used in the elevatory movement of an optical appliance
08/11/1981US4283115 Beam splitters for endoscopes comprising a dual observation system
08/11/1981US4283112 Telescope guiding system
08/04/1981US4281929 Small diameter, deep bore optical inspection system
08/04/1981US4281910 Camera apparatus for endoscope
07/1981
07/29/1981EP0032595A2 Endoscope
07/28/1981US4280752 Solid-medium coherent optical processor
07/28/1981US4280750 Binocular's focus or zoom adjusting knob
07/21/1981US4279463 Combination sun-moon filter
07/21/1981US4279247 Endoscope having a plurality of optical systems each provided with an identification mark element
07/21/1981US4279246 Device for preventing clouding of an observing window
07/14/1981US4278320 Binocular stand for astronomical observations
07/07/1981USRE30665 Binocular telescope
07/07/1981US4277168 Endoscope with means for detecting rotation of a distal examining end
07/01/1981EP0031151A2 Device for fitting an attachment to an endoscope ocular section
07/01/1981EP0031116A2 Endoscope light supply device
07/01/1981EP0031073A2 Laser endoscope
06/1981
06/30/1981US4275639 Periscopic sight with a unitary lens system
06/23/1981US4275414 Tube plug weld inspection apparatus
06/23/1981US4274704 Endoscopes incorporating a beam splitter
06/23/1981CA1103500A1 Optical comb filter
06/17/1981EP0030324A1 Binocular telescope with double-hinged connecting bridge
06/17/1981EP0030316A1 Non fogging oculars for optical observation and examination devices
06/16/1981US4274149 Binocular device for displaying elapsed time in the field of view
06/16/1981US4274128 Friction hinged headlamp or the like
06/16/1981US4273111 Endoscope with bend angle control
06/16/1981US4273110 Ultraviolet endoscope
06/09/1981US4272156 Illumination optical system using optical fiber bundles
06/09/1981US4272153 Binocular with novel arrangement of hinge means between the telescopes thereof
06/03/1981EP0029555A2 Endoscope light source device
06/02/1981US4270837 Periscopic viewfinder system for use in photographic cameras
05/1981
05/28/1981WO1981001441A1 Air purging unit for an optical pyrometer of a gas turbine engine
05/27/1981EP0029217A2 Endoscope ocular device
05/26/1981US4269485 Method for focusing an objective lens of endoscope
05/26/1981CA1101713A1 Optical scanning probe with multiple outputs
05/26/1981CA1101707A1 Vehicle mounted optical surveillance apparatus
05/20/1981EP0029005A2 Optical system for a night vision apparatus with an image intensifier or image converter
05/19/1981US4268111 Foldable binoculars
05/19/1981US4267828 Endoscope having an extension guide for observation
05/13/1981EP0028301A2 Exposure control circuit for the light source of a camera
05/12/1981US4266873 Collinear aiming light image viewer
05/12/1981US4266849 Optical objectives
05/12/1981US4266848 Optical system for night-vision glasses
05/12/1981US4266534 Illumination unit for endoscope
05/06/1981EP0027946A1 Turbomachine blade wear monitoring system
05/05/1981US4266129 Device for viewing residual light in the visible and the near infrared spectrum
05/05/1981US4265529 Camera viewfinder
04/1981
04/29/1981EP0027651A2 Endoscope ocular section
04/29/1981EP0027632A1 Endoscope
04/29/1981EP0027605A1 Light source device for an endoscope
04/28/1981US4264203 Inspection of the interior of an enclosure
04/28/1981US4264122 Binocular observation instrument
04/28/1981US4264121 Binocular telescope
04/28/1981US4263719 Optical sighting devices
04/22/1981EP0027361A1 Light source assembly for endoscope
04/22/1981EP0027271A1 Photographing system for endoscope
04/22/1981EP0027185A1 Protective covering for the bend section of an endoscope
04/21/1981US4262990 Binocular
04/21/1981US4262988 Binoculars with automatic focusing system
04/14/1981US4261345 Endoscope connector
04/14/1981US4261204 Conduit for guiding fiber optic viewing device
04/08/1981EP0026497A1 Endoscope system
04/08/1981EP0026300A1 Light source apparatus for endoscope
04/07/1981US4260261 Optical food probe
04/07/1981US4260254 Compact boresight tester for laser designators
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