1
Kim W Atherton, Charles R Clow, Patrick H Mawet: Dielectric liquid level sensor and method. Caterpillar, Robert E Muir, February 21, 1989: US04806847 (72 worldwide citation)

A sensor for sensing the level of oil or transmission fluid under both normal and extreme temperature conditions. The only active components of the sensor have input and leakage currents substantially lower than those of diodes and current sources under high temperature conditions. The sensor has a ...


2
Karl Masreliez, Nils Ingvar Andermo, Kim W Atherton: Induced current position transducer having a low power electronic circuit. Mitutoyo Corporation, Oliff & Berridge, January 4, 2000: US06011389 (58 worldwide citation)

An inductive transducer system for use in high accuracy applications such as linear or rotary encoders, employs two members movable relative to each other. A first, active member induces eddy currents in a second, passive member that lacks a power source or electrical wires connected thereto. The fi ...


3
Karl G Masreliez, Nils Ingvar Andermo, Kim W Atherton: Multi-scale induced current absolute position transducer. Mitutoyo Corporation, Oliff & Berridge, March 23, 1999: US05886519 (56 worldwide citation)

An inductive absolute position transducer system, usable in high accuracy applications such as linear encoders, has two members movable relative to each other and includes three inductive position transducers. Each inductive position transducer includes at least one transmitter winding for generatin ...


4
Karl G Masreliez, Nils Ingvar Andermo, Kim W Atherton: Electronic caliper using a self-contained, low power inductive position transducer. Mitutoyo Corporation, Oliff & Berridge, October 26, 1999: US05973494 (44 worldwide citation)

An electronic caliper using a low power induced current position transducer includes a slider assembly mounted on an elongated beam with first and second measuring jaws projecting from the main beam and slider assembly. The position of the slider assembly on the beam is indicative of the distance be ...


5
Karl G Masreliez, Nils Ingvar Andermo, Kim W Atherton: Induced current absolute position transducer using a code-track-type scale and read head. Mitutoyo Corporation, Oliff & Berridge, November 24, 1998: US05841274 (38 worldwide citation)

A high-accuracy inductive absolute position transducer system has two members movable relative to each other and includes a code track transducer and may include a fine track transducer. The code track transducer includes a code track transmitter winding and at least one set of code track receiver w ...


6
Karl G Masreliez, Nils Ingvar Andermo, Kim W Atherton: Electronic linear tape measure using a low power induced current position transducer. Mitutoyo Corporation, Oliff & Berridge, April 20, 1999: US05894678 (38 worldwide citation)

An electronic linear tape measure using a low power induced current position transducer. The tape measure includes an enclosure case with a lateral slot through which the tape blade can be pulled. The tape blade is wound inside the enclosure case on a tape reel which is mounted on an axis support th ...


7
Michael Nahum, Benjamin K Jones, Patrick A Renalds, Avron M Zwilling, Kim W Atherton: Two-dimensional scale structures and method usable in an absolute position transducer. Mitutoyo Corporation, Oliff & Berridge, August 24, 2004: US06781694 (34 worldwide citation)

An absolute 2D position-sensing device is usable to measure the relative position of two elements. A 2D absolute scale includes an integrated 2D absolute scale pattern extending over the 2D scale area along each measuring axis of the scale. The integrated 2D absolute scale pattern includes a plurali ...


8
Karl G Masreliez, Nils Ingvar Andermo, Kim W Atherton: Electronic linear scale using a self-contained, low-power inductive position transducer. Mitutoyo Corporation, Oliff & Berridge, December 14, 1999: US06002250 (31 worldwide citation)

An electronic linear scale, which uses an induced current position transducer, includes a slider assembly mounted adjacent to an elongated beam. The slider assembly is mounted on one mounting member of a device such as a machine tool. The elongated beam is mounted on a second mounting member of the ...


9
Nils I Andermo, Kim W Atherton: Sealed mechanical configuration for electronic calipers for reliable operation in contaminated environments. Mitutoyo Corporation, Oliff & Berridge, November 12, 1996: US05574381 (30 worldwide citation)

An electronic caliper configuration making such calipers more reliable in the presence of liquid and particulate contaminants. Included in the caliper configuration is an elongated cavity added to the main beam of the caliper. The cavity is sealed with a cover. The measuring scale element of the mea ...


10
Richard M Wasserman, Paul G Gladnick, Kim W Atherton: Systems and methods for rapidly automatically focusing a machine vision inspection system. Mitutoyo Corporation, Oliff & Berridge, April 18, 2006: US07030351 (30 worldwide citation)

Auto focus systems and methods for a machine vision metrology and inspection system provide high speed and high precision auto focusing, while using relatively low-cost and flexible hardware. One aspect of various embodiments of the invention is that the portion of an image frame that is output by a ...