Hand-held laser level grade checking device
The problems associated with conventional sight levels and presently available construction survey equipment outlined above are solved by the laser grade checking device in accordance with the present... Read More
Inventors: Smith, James A.;, Assignee: |
Pipe fitting alignment systems
The instant invention provides a method for installing piping such as sewage and drainage piping, above- and below-ground sprinkler systems, suspended electrical conduit systems, shipyard and plumbing... Read More
Inventors: Matthews, David S.;, Assignee: |
End cap incorporating laser alignment target
OF THE PREFERRED EMBODIMENT Turning now to the drawings, there is shown in FIG. 1 a pipe string 16 including two elongate pipe sections shown at 18 and 20 in a trench 21. While only two pipe sections... Read More
Inventors: Peterson, David L.; Thompson, Leslie P.; Jahnke, Darren M.; McCluskey, II, James M.;, Assignee: Brink's Mfg. Co., Inc. (Albert Lea, MN) |
Viewing and display apparatus position determination algorithms
OF THE INVENTIONS FIG. 1 shows a celestial object location device (COL device) 10 is being used by a user 12 to locate a celestial object 14. The COL device 10 has housing 16 adapted to be hand-held.... Read More
Inventors: Lemp, III, Michael; Hatalski, Michael;, Assignee: Yamcon, Inc. (Rancho Santa Margarita, CA) |
Decorative lighting apparatus with light source and luminescent material
OF THE PREFERRED EMBODIMENTS FIG. 1 illustrates a lighting apparatus according to one embodiment of the invention. The lighting apparatus 100 includes a light source 110 powered via electrical connec... Read More
Inventors: Levinson, Lionel Monty; Srivastava, Alok Mani; Duclos, Steven Jude; Duggal, Anil Raj;, Assignee: General Electric Company (Schenectady, NY) |
Timepiece
Accordingly, it is a general object of the present invention to overcome the disadvantages of the prior art. It is another object of the invention to provide a timepiece having a broadened time indica... Read More
Inventors: Schickedanz, Willi;, Assignee: |
Rosary device
In FIGS. 1-3 and 3a, the Rosary device 210 comprises a casing 211 sized to be hand-held, as in FIG. 6, with thumb and fingers 212-216 extending about the generally circular casing periphery. The casi... Read More
Inventors: Dewolf, Lowell E.; Scrudato, James J.; Wallace, Robert S.;, Assignee: Dewolf; Lowell E. (Solana Beach, CA); Scrudato; James J. (Solana Beach, CA); Wallace; Robert S. (Solana Beach, CA) |
Wristwatch radiotelephone
This and other objects of the invention are accomplished in accordance with the principles of the invention by providing a wristwatch radiotelephone having a main body portion and a plurality of pivot... Read More
Inventors: Seager, Richard H.;, Assignee: Timex Corporation (Middlebury, CT) |
Wristwatch radiotelephone
These and other objects of the invention are accomplished in accordance with the principles of the invention by providing a wristwatch radiotelephone comprising a plurality of substantially rigid memb... Read More
Inventors: Thorp, Christopher S.;, Assignee: Timex Corporation (Middlebury, CT) |
Electronic devices with a liquid crystal display
It is therefore an object of the present invention to provide an electronic device with a miniaturized liquid crystal display unit improved in operability. In order to achieve the above object, accord... Read More
Inventors: Kawashima, Kazuyo; Ishikawa, Yoshimi;, Assignee: Casio Computer Co., Ltd. (Tokyo, JP) |
Portable object having a fastening band illuminated by a super thin lighting element
It is accordingly an objective the invention to provide an illumination arrangement for an object having a fastening band, which is relatively low in cost and provides greater versatility than prior a... Read More
Inventors: Chien, Tseng Lu;, Assignee: |
Luminous wristwatch
The present invention has been made in view of the foregoing disadvantage of the prior art. Accordingly, it is an object of the present invention to provide a luminous wristwatch which is capable of e... Read More
Inventors: Takagi, Yoshiro;, Assignee: Takara Co., Ltd. (Tokyo, JP) |
Ventilated safety goggles
I claim: 1. A ventilated goggle comprising: an opaque goggle body having a top and bottom portion and an interior having a viewing aperture at the front, a plurality of holes through said body along i... Read More
Inventors: Castro, Paul;, Assignee: Gateway Safety Products (Brooklyn Heights, OH) |
Optical apparatus and method for measuring the characteristics of materials by their fluorescence
OF THE INVENTION The present invention is directed to an improved optical apparatus and method for measuring fluorescence in real time. The design employs a new measurement principle wherein the fiel... Read More
Inventors: MacBride, William R.; Magee, James A.; Armiger, William B.; Zabriskie, Dane W.;, Assignee: BioChem Sensors, Inc. (Malvern, PA) |
Double switch miniature flashlight
It is a primary object of the present invention to provide miniature hand-held flashlights having a recharging capability. It is another object of the present invention to provide miniature flashlight... Read More
Inventors: Maglica, Anthony; Johnson, Ralph E.; Lewis, Armis L.;, Assignee: Mag Instrument, Inc. (Ontario, CA) |
Leak detector
What is claimed is: 1. A leak detector for monitoring, in an area being investigated, the presence of a liquid having a characteristic fluorescence spectrum, comprising: a radiation source; means for ... Read More
Inventors: Gersh, Michael E.; Adler-Golden, Steven M.; Goldstein, Neil M.; Bien, Fritz;, Assignee: Spectral Sciences, Inc. (Burlington, MA) |
Dental curing lamp
OF THE PREFERRED EMBODIMENT With reference to the Drawing, and initially to FIG. 1 thereof, a dental irradiation unit 10, in the form of a light gun, has a generally tubular barrel or housing 12 with... Read More
Inventors: Thomas, Brian J.;, Assignee: Welch Allyn, Inc. (Skaneateles Falls, NY) |
Process and apparatus for the detection of toxicity in surface waters as well as drinking water and industrial water
We claim: 1. A process for the detection of toxicity in water, comprising the steps of: stimulating a water sample containing a toxicity-sensitive bioorganism by means of light having at least one pre... Read More
Inventors: Krause, Hans; Maske, Helmut;, Assignee: |
Ohmic contact for p-type group II-IV compound semiconductors
The present invention is an improved p-type ohmic contact for Group II-IV semiconductors. The contact includes a p-type Group II-VI semiconductor device layer and a p-type Group II-VI crystalline semi... Read More
Inventors: DePuydt, James M.; Qiu, Jun; Cheng, Hwa; Haase, Michael A.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Miniature flashlight
The present invention is directed to a flashlight having improved characteristics. A high quality flashlight having a closed internal volume includes a one-way valve associated with a passage extendin... Read More
Inventors: Maglica, Anthony;, Assignee: MAG Instrument, Inc. (Ontario, CA) |
Night vision goggle aided flight simulation system and method
It is therefore the object of the invention to provide an system and technique for night vision goggle aided flight simulation. According to the invention, a night vision goggle aided flight simulatio... Read More
Inventors: Decker, William M.;, Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC) |
Method of introducing leak detection dye into an air conditioning or refrigeration system
The present invention provides an improved method of introducing a leak detection dye additive into an air conditioning or other refrigeration system. For brevity, the description of the invention is ... Read More
Inventors: Cooper, B. William;, Assignee: Spectronics Corporation (Wesbury, NY) |
Light source for use in leak detection in heating, ventilating, and air conditioning systems that utilize environmentally-safe materials
In the field of leak and crack detection and related non-destructive testing, different dyes are utilized which fluoresce at different wavelengths. Fluorescence is usually defined as the reemission of... Read More
Inventors: Cavestri, Richard C.;, Assignee: Bright Solutions, Inc. (Troy, MI) |
NVG-compatible AMLCD backlight having a ridged prismatic TIR with an embedded diffuser doped with an IR absorbing dye
In accordance with the present invention an improved night vision goggle (NVG) compatible backlight assembly for AMLCDs, LCDs, or other displays is provided. The backlight assembly includes a pluralit... Read More
Inventors: Marvin, Bruce A.; Robinson, Timothy R.;, Assignee: Korry Electronics Co. (Seattle, WA) |
Flashlight
The present invention provides a new and improved flashlight, that is, a battery-operated portable electric light, having a semiconductor diode which is capable of emitting light when energized. Elect... Read More
Inventors: Rachwal, Erwin J.;, Assignee: |
Method of introducing an in situant into a vapor compression system, especially useful for leak detection, as well as an apparatus for leak detection and a composition useful for leak detection
The present invention is related to a method of introducing an in situant into a vapor compression system, as well as to a method for detecting leaks in the system components and an apparatus and comp... Read More
Inventors: Scaringe, Robert Peter; Grzyll, Lawrence R.; Back, Dwight D.; Mayer, Joseph; Meyer, John A.;, Assignee: Mainstream Engineering Corporation (Rockledge, FL) |
Flourescence imaging endoscope
The present invention relates to imaging endoscopes and in particular to a fluorescence imaging colonoscope using a dual channel electronic endoscope that employs a charge coupled device (CCD) chip or... Read More
Inventors: Wang, Thomas D.; Feld, Michael S.; Wang, Yang; Van Dam, Jacques; Fulghum, Stephen F.;, Assignee: Massachusetts Institute of Technology (Cambridge, MA) |
System using a portable detection device for detection of an analyte through body tissue
FIGS. 1 and 2 illustrate one embodiment of the system of the present invention, which includes a small, portable instrument 1 and an analyte sensing device (sensor) 4. In this embodiment, a detection... Read More
Inventors: Polak, Anthony;, Assignee: Motorola, Inc. (Schaumburg, IL) |
System and method for attenuating the effect of ambient light on an optical sensor
The present invention provides systems and methods for attenuating the effect of ambient light on optical sensors and for measuring and compensating quantitatively for the ambient light. In one aspect... Read More
Inventors: Colvin, Arthur Earl; Zerwekh, Paul Samuel; Lesho, Jeffrey C.; Lynn, Robert William; Lorenz, Carrie R.; O'Connor, Casey J.; Walters, Steven J.;, Assignee: Sensors for Medicine and Science, Inc. (Germantown, MD) |
Projection exposure apparatus
In consideration of the foregoing, the object of the present invention is to provide a projection exposure apparatus capable of eliminating the drawbacks of the conventional apparatus and easily deter... Read More
Inventors: Suwa, Kyoichi; Ushida, Kazuo; Suto, Takeshi; Kameyama, Masaomi; Hirukawa, Shigeru; Nakamura, Shinichi;, Assignee: Nikon Corporation (Tokyo, JP) |
Lighting 
