Ronald A Gatten: Method of determining useful life of cartridge for an ink jet printer. Spectra Physics, Killworth Gottman Hagan & Schaeff, November 26, 1991: US05068806 (67 worldwide citation)

A computer program in the microcontroller of an ink jet printer-plotter counts the ink dots fired by the cartridge of the printer. The host system keeps the dot count in nonvolatile memory. When the number of dots corresponding to the nominal capacity of the cartridge has been fired, a message is pr ...

Friedman Mitchell: Digital fluidic amplifier particle sorter. Bio Physics Systems, Ailes Curtis, February 12, 1974: US3791517 (67 worldwide citation)

Differences in small particles entrained in a stream of liquid are detected and the resultant difference signals are used to control a fluidic amplifier located downstream to switch the liquid particle carrying stream to different outlet ports determined by the detection of particle differences.

Richard Cavicchi, Stephen Semancik, John S Suehle, Michael Gaitan: Application of microsubstrates for materials processing. The United States of America represented by the Secretary of Commerce, Michael S Gzybowski, October 18, 1994: US05356756 (66 worldwide citation)

Arrays of microfabricated hotplates have been used as substrate arrays for materials processing on a microscopic scale. Properties of individual elements (pixels) of the array, such as temperature and voltage bias, are controlled by addressing a given pixel with appropriate signals. Materials are de ...

Leon B C deVos, Johannes N Th M Schouten: Computer aided three dimensional positioning sensing system and method. Spectra Physics, Killworth Gottman Hagan & Schaeff, August 11, 1992: US05137354 (66 worldwide citation)

A position sensing system calculates the X-Y-Z coordinates of a point in space using triangulation and determines the orientation of an object located at that point. The triangulation calculation is based on the coordinates of at least three retroreflective elements spaced apart from each other and ...

Joseph F Rando, Ilya M Fishman: Temperature operated gas valve. Spectra Physics, Donald C Feix, Paul Davis, Thomas M Freiburger, August 21, 1990: US04949742 (66 worldwide citation)

A gas valve which is particularly useful in a laser gas fill system requiring repeated fillings includes a conduit positioned between high and low pressure gas regions. Within the conduit is a restriction, and this restriction is closed by a meltable solid material. When the valve is to be opened, h ...

Victor I Chornenky, Ali Jaafar: Apparatus and method for the treatment of benign prostatic hyperplasia. Minnesota Medical Physics, Craig Gregersen, October 31, 2006: US07130697 (65 worldwide citation)

An apparatus and method for treatment of benign prostatic hyperplasia is disclosed wherein the apparatus includes an applicator having a probe having proximal and distal probe sections wherein the proximal and distal probe sections each define an axis and wherein the axes are not collinear.

Daniel K Harden, Barbara H Sauceda, Brad R Reddersen, Christopher Lenart: Dome-shaped handheld laser scanner. Spectra Physics Scanning Systems, Lyon & Lyon, July 20, 1993: US05229590 (64 worldwide citation)

A scanner including an oval-shaped handle and a round dome-shaped scanner head with a transparent scanning window above the trigger area of the dome. Markings on top of the scanner to aid with aiming, and a multi-color indicator light on top of the dome.

Joseph F Rando, Henry L Schwartz: Level/plumb indicator with tilt compensation. Spectra Physics, Donald C Feix, Paul Davis, T M Freiburger, April 3, 1990: US04912851 (64 worldwide citation)

A tool for use in establishing a precise level line or plumb line or line for alignment uses a visible laser diode for projecting the line. The tool is relatively small and compact, drives the laser diode using batteries contained in the tool, and includes tilt compensation for use on surfaces which ...

Joseph F Rando, Brad R Reddersen: Compact scanner module mountable to pointing instrument. Spectra Physics Scanning Systems, Lyon & Lyon, February 23, 1999: US05874722 (63 worldwide citation)

Method and apparatus for scanning items with a compact scanner which is mountable onto and/or integral with a pointing instrument. The scanner module may be equipped with an aiming beam for additional help in directing the scan line toward the object to be read. The pointing instrument may be a pen ...

Edmund F Byrne, Glen L Tolman: Bifunctional chelating agents. Medi Physics, Jon S Saxe, George M Gould, William H Epstein, February 28, 1984: US04434151 (63 worldwide citation)

Novel homocysteine thiolactone bifunctional chelating agents useful for chelating radionuclides to produce a radiodiagnostic agent for use in in vivo imaging and a method for producing this chelating agent.

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