Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7586085 | Photo-detection device and method The broad range measurement exploiting the usual propagated light and the high resolution measurement mode exploiting near-field light are to be accomplished with a sole as-assembled optical probe. To this end, light radiated through an optical probe 13 havin... | 09/08/2009 |
| 7237440 | Flow measurement apparatus having strain-based sensors and ultrasonic sensors A flow measurement apparatus is provided that combines the functionality of an apparatus that uses strain-based sensors and ultrasonic sensors to measure the speed of sound propagating through a fluid flowing within a pipe, and measure pressures disturbances (e.g. v... | 07/03/2007 |
| 7096719 | Apparatus for measuring parameters of a flowing multiphase mixture An apparatus 10 is provided that measures the speed of sound propagating in a multiphase mixture to determine parameters, such as mixture quality, particle size, vapor/mass ratio, liquid/vapor ratio, mass flow rate, enthalpy and volumetric flow rate of the fl... | 08/29/2006 |
| 7032432 | Apparatus and method for measuring parameters of a mixture having liquid droplets suspended in a vapor flowing in a pipe An apparatus 10,70 and method is provided that includes a spatial array of unsteady pressure sensors 15–18 placed at predetermined axial locations x1–xN disposed axially along a pipe 14 for measuring at least one parame... | 04/25/2006 |
| 6215118 | Autoalignment and autofocus mechanism for coupling light between an optical fiber and a physical specimen An apparatus for applying an optical signal to a surface and collecting the light leaving the surface in response to the application of the optical signal. The optical signal and the collected light traverse an optical fiber having an end proximate to the... | 04/10/2001 |
| 5828448 | Method and apparatus for distinguishing between defects in an optical fiber coating The present invention provides an optical detection system for detecting defects in an optical fiber. The system includes a light source for coupling light into the secondary coating of an optical fiber at a preselected angle with respect to the longitudi... | 10/27/1998 |
| 5786891 | Method and apparatus for detecting defects in an optical fiber coating The present invention provides an optical detection system for detecting defects in an optical fiber. The system includes a light source for coupling light into the secondary coating of an optical fiber at a preselected angle with respect to the longitudi... | 07/28/1998 |
| 5387977 | Multiangular color measuring apparatus A spectrophotometer apparatus (200) is adapted to provide spectral reflectance measurements of an object sample (236) under test, particularly optical characteristics of colored surfaces comprising metallic or pearlescent particles. The apparatus (200) co... | 02/07/1995 |
| 5130534 | Adjustable optical biprobe for local diphasic measurements An optical biprobe for observing a flow in any direction in a diphasic emulsion is provided. In a preferred embodiment, the optical biprobe comprises a support which is capable of rotating about a first axis on which is mounted a hollow member for intrudi... | 07/14/1992 |
| 5003823 | Noncontact rotating liquid film thickness sensor The problem of measuring oil film thickness in a rotating housing (66) is solved using a noncontact liquid film thickness sensor. The housing (66) is rotatable about an axis (58) and includes a cylindrical outer wall coaxial to the axis. A plurality of U-... | 04/02/1991 |
| 4914290 | Method and apparatus for measuring of microdistances Microdistances may be measured between a pair of objects such as a laser diode and an optical fiber end extending toward the diode. One orients the ends of a light emitting fiber and a light sensing fiber for the light sensing fiber to sense light from th... | 04/03/1990 |
| 4839515 | Fiber optic transducer with fiber-to-fiber edge coupling A passive transducer apparatus and method of use for producing a useful output light signal in response to a sensed condition. The sensed condition varies the light emitted from a first fiber optic light conductor that is apparently captured or detected b... | 06/13/1989 |
| 4808816 | LED and PIN diode characterization by producing a schematic profile of relative intensities A method and apparatus for characterizing light emitting diodes (10) and PIN diodes (100) for coupled power degradation with varying offset is disclosed. An optical-electronic device such as a light emitting diode (10) or PIN diode (100) is scanned by an ... | 02/28/1989 |
| 4803353 | Light attenuation motion transducer wherein two fiber optic cables abut at the pivot axis of pivotable mounting members A transducer is described which converts a mechanical motion input to variation in the light attenuation characteristic of a fiber optic cable by mounting the cable on and transverse of the pivot axis of mutually pivotable planar mounting surface members ... | 02/07/1989 |
| 4796966 | Magnetically activated fiber optic switch A fiber optic switch is provided for regulating light transmission comprising an encasing movement body surrounding a paramagnetic shaft, a section of which protrudes therefrom. A spring member surrounds the shaft protruding from the encasing movement bod... | 01/10/1989 |
| 4728787 | Alignment process for an electro-optical device A process of aligning electro-optical devices that associate a semiconductor, laser diode or electroluminescent component with an optical component, such as an optical fiber. These devices must be aligned with a precision of from &#b1;1 to &#b1;10μ. The ... | 03/01/1988 |
