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7486394 |
Optical measuring head
A measuring head ( 4 ) according to the invention comprises the combination of a zone lens ( 26 ), which is preferably a diffractive lens, with a hemispherical lens ( 23 ) or a GRIN lens ( 33 )....
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RE39643 |
Wide field of view imaging system
A wide FOV imaging system ( 10 ) includes an objective lens ( 14 ), a convergent reflective element ( 18 ) positioned proximate an intermediate image ( 16 ) formed by the objective lens, and a...
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6552861 |
Optical guide fixture
The present invention provides an optical guide fixture for coupling visual information on a surface to a viewer. The optical guide fixture of the invention can be coupled to an optical receiver,...
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6522466 |
Apparatus for observing interior from an ultramicropore space
An apparatus for an object in an ultramicropore space has a lens system so that an incidence point P with the diameter in a range from 0.3 to 0.7 mm comes to a position in a range of 12 to 17 mm...
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6411435 |
Monocular viewer and recorder
A refocusing device for an optical image display consisting of back-to-back optical eyepieces and other optical elements that creates at least one additional displaced optical image and permits...
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6347877 |
Cable grid spectral lighting system
An apparatus consisting of a cable grid system for lighting in which a light can be positioned at any location on a ceiling. Optionally, the light fixtures can include a diffraction grating...
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6333812 |
Borescope
An orbital scanning borescope includes a tube insertable into an inaccessible location in use and an optical system for gathering an image of a feature and transmitting the image to a viewing...
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6259523 |
Optical inspection insertion apparatus for pressurized vessels
An optic device for use in viewing the interior of pressurized vessels, especially high pressure fluid pipelines. Embodiments of the optic device allow manual or automatic insertion/retraction of...
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6091489 |
Optical inspection apparatus for pressurized vessels
An optic device for use in viewing the interior of pressurized vessels, especially high pressure fluid pipelines. Embodiments of the optic device allow manual or automatic insertion/retraction of...
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6082869 |
Door/window mounted safety mirror
The present invention 10 discloses a safety mirror 10 designed to be attached to the outside of an outwardly opening door 14 and to be viewed from the inside of the door by the user 12 looking...
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6023367 |
Illumination system for a film scanner
An illuminator system for a film scanner of the type having a linear image sensor, a film gate through which an area of film to be scanned can be positioned, and an aperture at the film gate for...
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6002516 |
Vertical cassette elevator and load lock viewer
A viewfinder device for viewing the interior of dark, inaccessible areas and environments, such as the chamber of a vertical cassette elevator or load lock used in semiconductor wafer fabricating...
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5991100 |
Compact view scope
The compact view scope enables an observer to view miniaturized textual and pictorial images mounted in the scope. The compact view scope includes axially co-extensive outer and inner cylindrical...
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5912764 |
Endoscope optical system and image pickup apparatus
A compact endoscope optical system capable of providing a clear image of minimal distortion even at a wide field angle. The endoscope optical system includes an objective optical system for forming...
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5852511 |
Optical system for non-flexible endoscopes
In a non-flexible endoscope consisting of an insertion section and an eyepiece section which are separable from each other, an optical system configured so as to correct chromatic aberration...
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5786935 |
Scope
A scope apparatus is provided with an image forming optical system and a condenser lens on the exit side of the image forming optical system. The condenser lens is positioned so that a convex exit...
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5644438 |
Optical device for viewing into restricted areas
An optical device for illuminating and inspecting the interior of restricted spaces at a distance, comprising an elongated tubular housing having a distal end, a proximal sight end, and two...
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5550673 |
Spyhole viewer
A spyhole viewer for a door or wall, includes an objective system for producing a real, inverted image. The objective system is mounted in a tubular member fixedly installable in the door or wall....
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5345339 |
Motorized mirror assembly
A motorized mirror assembly attaches to a borescope insertion tube for rotating a mirror to provide side viewing capability. A housing for a motor/gearbox has an access port at one end that...
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5253638 |
Right-angle detachable variable-position reflector assembly
A side-looking reflector attachment has a helical thread on the borescope or endoscope the reflector attachment can be rotated to any angular position by drawing the housing distally to move a...
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5214533 |
Portable monocular with high magnification
The portable monocular comprises an elongate body in two parts (2,3) at one end of which is fixed an eyepiece (1). At its other end the elongate body encloses two biconvex lenses (4,4') of equal...
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5150254 |
Endoscope with shape recognition mechanism
An endoscope with a shape recognition mechanism capable of facilitating measurements with improved accuracy. In a front-viewing type, the endoscope includes a beam projection unit, to be inserted...
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5124838 |
Optical coupler
An optical device that can be sterilized by autoclaving or immersion. The optical device includes adjoined elements that essentially eliminate any air internal spaces along the optical path. A...
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5122900 |
Motorized mirror assembly
A compact self-contained fail-safe motorized mirror assembly is provided for selective attachment to the end of a borescope insertion tube, attachment is through three self-locking standoff pins...
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4832473 |
Endoscope with elastic actuator comprising a synthetic rubber tube with only radial expansion controlled by a mesh-like tube
An endoscope has a flexible insertion portion having distal and proximal end portions. Elastic actuators for bending the insertion section are mounted in the insertion section. Each elastic...
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4822154 |
Improvements in or relating to borescopes
An optical assembly 7, 8 providing an optical relay of a borescope 1 has a plurality of lenses 7 spaced apart by tubular spacers 8 through which the optical path extends. The spacers 8 include...
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4777567 |
Optical inspection apparatus
The optical inspection apparatus consists of an explosion-proof light projector and a viewing periscope. In one embodiment, an external power source connects to an explosion-proof housing...
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4678290 |
Apparatus for visual inspection of closed machinery
For use in inspecting the interior pipelines and other machinery subjected to risk of explosive gasses, an improved explosive proof apparatus is disclosed. The apparatus includes a periscope...
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4639097 |
Apparatus for the inspection of combined read/write heads of data carrier disks in EDP installations
An inspection apparatus for the read/write heads of data carrier disks in electronic data processing equipment is provided with a mirror holder with approximately two parallel sides between which...
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4398811 |
Viewing-direction changing optical system
A viewing-direction changing optical system comprising an optical fiber bundle, a reflecting means arranged to deflect the optical axis to a direction different from the axis of the optical fiber...
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4383761 |
Scope for viewing the internal surface of bores and similar cavities
A scope for viewing the internal surface of a bore or similar cavity for use in combination with a light source. The scope includes a rod having an image transmitting end and an image viewing end....
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4373811 |
Scope for viewing the internal surface of a bore or similar cavity
A scope which is for viewing a selected portion of the internal surface of a bore or similar cavity and which includes a viewer of optically clear light transmitting material and a housing. The...
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4195904 |
Optical system of viewing-direction changing attachment for endoscopes
An optical system of viewing-direction changing attachment for endoscopes comprising a first reflecting means having a reflecting surface for changing the observing direction and a second...
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4149769 |
Endoscope telescopes with tubular connected ocular and objective lens means
An endoscope telescope comprising first and second telescopically mounted tubular members of which the second tubular member is mounted in said first tubular member for movement relative thereto,...
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4140364 |
Variable field optical system for endoscopes
A variable field optical system for endoscopes comprising an image guide, objective, fixed prism and rotatable prism and enabling to observe over a wide range by varying the field by rotating said...
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4138192 |
Foward-oblique viewing optical system
A forward-oblique viewing optical system for endoscopes comprising an observing-direction changing prism which has a surface for refracting rays from an object to be observed and is arranged in...
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4134637 |
Colposcope with photographic attachment
This new version concerns a Colposcope with Photographic-Attachment, wherein the Colposcope is equipped with two side by side oculars, two objective lenses in line with the oculars as well as a...
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3551061 |
INSTRUMENT FOR AND METHOD OF OPTICAL WORK INSPECTION
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3520587 |
STEREOSCOPIC ENDOSCOPE
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3496348 |
SEWER INSPECTION DEVICE
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3485548 |
STEREOSCOPIC TELESCOPE FOR THE REMOTE VIEWING OF OBJECTS PLACED IN A SEALED EXAMINATION CAVE
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3423145 |
OPTICAL DEVICE FOR CAVITY INSPECTION
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3285122 |
Device for inspection of the interior of hollow bodies
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3257902 |
Optical system having cylindrical rod-like lenses
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3229577 |
Periscope having telescoping sections for viewing reactor interior
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3221593 |
Borescope utilizing a stepped cone reflector
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3202048 |
Optical instrument with microscope unit and nested tubes for viewing objects in closed chamber
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3178994 |
Borescope
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3096756 |
Optical bronchoscope
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3005452 |
Nasolaryngoscope
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