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Class 359/895 - Submerged object viewer


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein an optical tube permits clear viewing
No. of patents: 21
Last issue date: 05/31/2005


NumberTitleIssue Date
6900954Viewing enhanced apparatus for visibility impaired fluid
Viewing enhancing apparatus for visibility impaired fluid, such as turbid water or a smoke-filled room, includes a fluid-permeable sidewall and a housing defining a confluence cavity having an axis extending between first and second housing ends. The housing ends ar...
05/31/2005
6460804Emergency vision apparatus
An emergency supplementary vision device comprises a collapsible tube made of airtight material and having an expanded form and a compact stowed form; first and second clear members disposed at respective first and second ends of the tube to enable the us...
10/08/2002
6366415Underwater seeing device
An underwater seeing device for enabling the user to see underwater without having to bend over. The underwater seeing device includes an elongate tubular member having a main portion, a neck portion, a front end portion, and a passageway extending theret...
04/02/2002
6293841Foldable under water viewing window
A floating window for viewing underwater life, which has an unfolded viewing configuration and a folded storage configuration for transport and/or storage. Floating end walls are attached to a central viewing window and have sufficient buoyancy to prevent...
09/25/2001
6191899Emergency visual assistance device
An emergency visual assistance device which provides an operator at an operator station access to operationally necessary visual information when that visual information is obscured by smoke or other vision-obstructing matter, and a method for using that ...
02/20/2001
6023382Portable underwater viewer with magnifying capabilities
An underwater viewing apparatus is provided including a housing with a hollow configuration. Also included is a lens assembly comprising a magnifying lens secured within the housing for magnifying items beneath the housing when viewed through the housing....
02/08/2000
5677789Binocular
A binocular incorporates a focusing and diopter correction mechanism having a common shaft, whereby the diopter adjustment is performed by rotation of the shaft and the focusing operation is performed by axial movement of the shaft. The lens-moving portio...
10/14/1997
5557544Spectrometer with dynamically coded components
In an analytic spectrometer (50) having a central computer (9), permanently installed and exchangeable components (5), such as a radiation source, a detector, a beam splitter, a filter, external measurement probes and the like, each of which exhibiting a ...
09/17/1996
5491589Meter reading apparatus
A cylindrical viewing tube for reading submerged water meters, comprising a clear, high strength polycarbonate viewing tube, a closed bottom end for engaging a submerged meter face, the bottom end being replacable and being threaded onto the viewing tube....
02/13/1996
5458386Golfball retrieval device
A device for retrieving submerged golfballs comprising a telescoping, elongated member having a golfball scoop at one end. An underwater viewing device having a lens is secured to the elongated bar to enable a submerged golfball to be seen from outside th...
10/17/1995
5397898Optical component exchanger and method
An apparatus and a method for the exchange of an optical component 20 is proposed in which a storage housing 1 exhibits a lower opening with a first gate means 21 adapted for sealing the lower opening. A second stopping means 6 attached to a driving means...
03/14/1995
5144481Submerged meter reading apparatus
A submerged meter reading apparatus for enabling a human user to visually read a meter submerged in water or the like, having an elongated tubular body member with a sidewall defining an interior chamber, an upper end constructed to allow a user to look i...
09/01/1992
4895539Underwater viewing device
The invention relates to an underwater viewing device wherein a viewer can immerse the lower portion thereof into a body of water and view clear, undistorted images of objects which appear immediately below the underwater viewing device. The underwater vi...
01/23/1990
4884871Meter reading aid
This invention relates to a device for facilitating the reading of submerged water meters. The device has an elongate, thin wall member of generally right circular cylindrical cross sectional configuration for forming a viewing tube for permitting viewing...
12/05/1989
4852508Underwater window for vessels
An underwater window for vessels which is provided to cover an opening made on the hull has a first transparent plate curved to form a convex surface bulging toward the outside of hull outwardly from the hull. One or two additional transparent plates are ...
08/01/1989
4848886Submarine periscope systems
A submarine periscope system has a mast head 7 with a casing 10 from which protrudes a shaft 16 carrying observation instruments which are protected by a housing 8. A seal arrangement 30 is provided at the interface between the casing 10 and shaft 16 whic...
07/18/1989
4844595Viewing device for flotation body
In accordance with the present invention a viewing device for flotation bodies is provided which comprises a body having an interior defined by its side walls and at least one transparent end wall. In one embodiment using two transparent end walls, the tr...
07/04/1989
4643523Telescoping water meter reading apparatus
A meter reading apparatus includes a telescopic tubular viewer attached to the underground meter and provides a clear sight path through water in the meter box for easy meter reading. In a first embodiment, the viewer member is connected to the meter by a...
02/17/1987
4553819Visual aid apparatus for viewing objects beneath water surface
A visual aid apparatus (10) is disclosed. The apparatus (10) permits clear vision through the surface of the water. Apparatus (10) includes a relatively thin transparent sheet (11) which is preferably circular. A buoyant, closed-wall member (12) is secure...
11/19/1985
4536789Apparatus for observation in a high velocity liquid stream
The invention relates to an apparatus capable of observing an object in the path of a liquid stream while a radiation receiving part of the apparatus is positioned in the liquid stream. In a preferred form the invention relates to an apparatus capable of ...
08/20/1985
4226508Viewing and angling device for ice fishing
A fishing and viewing device for ice fishing which permits an ice fisherman to view his bait and line through a hole cut in the ice. The device is positioned above the hole in the ice while a cylindrical insert is positioned in the ice fishing hole in the...
10/07/1980
 
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