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| Number | Title | Issue Date |
| 7584551 | Absolute position measuring apparatus An absolute position measuring apparatus includes a first rotary encoder that detects a rotation of a spindle as a phase signal which varies in a first cycle and a second rotary encoder that detects the rotation of the spindle as another phase signal which varies in... | 09/08/2009 |
| 7111413 | Precision distance-measuring instrument A distance measuring instrument has a measuring axis; a measuring spindle disposed rotatably and shiftably in a housing such that a rotary motion of the measuring spindle results in a corresponding shift of the measuring spindle along the measuring axis; a stationar... | 09/26/2006 |
| 7013576 | Measuring device using multi-start threaded spindle Provided is a measuring device 1 for measuring the size of an object comprising a body 2, and a spindle 3 which is screwed into the body 2 and axially advances and retracts by screwing with respect to the body 2, the measurement be... | 03/21/2006 |
| 6804896 | Electronic measuring device An embodiment of an electronic measuring device includes a housing having an exterior surface configured and arranged to be removably secured within a support member. An electrically conductive probe is coupled to the housing and is movable between a position in con... | 10/19/2004 |
| 5433016 | Linear displacement measuring apparatus A linear displacement measuring apparatus in which a spindle is disposed movably forwardly and backwardly to a measuring apparatus main body, a detector for detecting a linear displacing amount of the spindle is disposed to the inside of the measuring app... | 07/18/1995 |
| 5287631 | Precision extended-length micrometer with displacement meter probe adapter A cylindrical beam-type micrometer measurement system is disclosed having an extended-length measuring range of 0-100 inches or more, and an accuracy of approximately 0.000005 inches (5 microinches), and which is designed as a retrofit to the widely-used ... | 02/22/1994 |
| 5102471 | Portable measuring instrument with solar batteries In a portable measuring instrument using as a power source a group of solar batteries in which a plurality of solar batteries are series-connected on the same plane, respective light receiving windows are made to be substantially equal in area to one anot... | 04/07/1992 |
| 4437241 | Measuring instrument and method A measuring device, such as a micrometer or other form of dimensional measuring instrument, capable of indicating a dimensional measurement by means of sounds of speech such as a train of numbers defining the measurement made. In one form, the device has ... | 03/20/1984 |
| 4308666 | Linear micrometer Disclosed is a linear micrometer which comprises a cylindrically shaped housing, a tube-shaped sleeve displaceably mounted along the longitudinal axis of the housing and extending from one end of the housing, a measurement scale fixedly mounted along the ... | 01/05/1982 |
| 4255861 | Electrically digital display micrometer The invention is constituted such that a tubular cavity is formed in the arm of a frame which movably supports the spindle; said cavity houses an index scale and a slit disc; and thereby the measured results can be read as an electric signal without affec... | 03/17/1981 |
| 4218823 | Digital micrometer A photoelectrically readable digital micrometer for precisely measuring a micro distance includes an outer ring having a micro internal thread, a spindle shaft having an external thread screwed into the internal thread, a disc-shaped scale plate having a ... | 08/26/1980 |
| 4207679 | Micrometer A micrometer having a bushing and a measuring spindle extending through the bushing, the spindle and bushing having confronting surfaces and including means permitting movement of the spindle with respect to the bushing in a single direction and for preve... | 06/17/1980 |
| 4103427 | Electronic digital micrometer An electronic micrometer having an encoding system located inside the micrometer housing for electronically determining and indicating the measurement made by the micrometer. The encoding system produces pulses in response to rotation of the micrometer th... | 08/01/1978 |
| 4070760 | Micrometer A vertical upright U-shaped member has two parallel legs with parallel vertical inner and outer surfaces, the inner surfaces being adjacent and parallel to each other, one leg having a horizontal bore extending transversely between its inner and outer sur... | 01/31/1978 |
| 4062120 | Digital electronic micrometer A digital electronic micrometer eliminates backlash and other error between a movable probe and a digital readout and arranges all the working components within a handle thermally insulated from the probe and the yoke. An optical scale is secured to the p... | 12/13/1977 |
