Class 33/819 - Digital

Subclass of Class 33 - Geometrical instruments
Definition: Subject matter wherein the indicator includes numerals as
No. of patents: 28
Last issue date: 01/10/2012

Number	Title	Issue Date
8091251	High-speed measuring electronic digital outside micrometer A high-speed measuring electronic digital outside micrometer allowing a user to make measurements quickly and effectively compared to conventional electronic outside micrometers with rotary thread spindles, which have limited measuring speed. This high-speed measuri...	01/10/2012
7360536	Devices and methods for nebulizing fluids for inhalation A nebulizer comprising an aerosol generator and a titration mechanism comprising a dosing mechanism, a screw assembly, a plunger and an actuator, wherein the dosing mechanism is rotatably mounted in the nebulizer and the plunger is mounted in the nebulizer to travel...	04/22/2008
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
7043852	Measuring instrument A measuring instrument that includes a tube 21 having a female thread 211 and a spindle 3 having a lead screw 31 screwing with the female thread 211 and capable of being advanced and retracted in an axial direction along with rotat...	05/16/2006
7020979	Digital displacement measuring instrument A stator (42) is hooked in a frame body (10) away with a prespecified space from a spindle (2), so that it is not necessary to fix the stator with a screw. The stator (42), therefore, can easily be mounted, and further as it is not necess...	04/04/2006
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
6915591	Rotary movement converting mechanism and measuring instrument A rotary movement converting mechanism for converting a rotary movement of a rotary body (43) into a linear movement of a movable body (2) has a support body (42) fixed to a body frame (3) and provided with a slit (42A) along an ax...	07/12/2005
6308433	Micrometer that holds displayed displacement when retraction amount is less than a set amount A minimum value renewal holder (33) for renewing and displaying a detected value (D) detected by a displacement sensor (9) on a display (10) when a spindle is moving in an advancing direction relative to an anvil and for holding a displayed value on the d...	10/30/2001
6247244	Device for longitudinal measurement The micrometer includes a sleeve provided with an at least partially threaded inner surface and an at least partially threaded outer surface. The outer surface includes at least one deformable, tapered portion. A micrometric screw is engaged in the sleeve...	06/19/2001
5495677	Digital display micrometer gauge A digital display micrometer gauge holds a workpiece to be measured between an anvil and a spindle. An engagement member is provided at an end of the spindle. An inner sleeve having an axial slit into which the engagement member is inserted, is secured to...	03/05/1996
5337488	Measuring instrument and method A measuring device, such as a micrometer or other form of dimensional measuring instrument, is provided which is operable to indicate dimensional measurements made thereby in numerical form on a display, such as an electronic digital display. The measurin...	08/16/1994
5289729	Displacement detector A displacement detector which supports either the main scale or the grid to move in a direction perpendicularly intersecting the relative movement direction of the spindle, and which has a spring for pushing one of the main scale and grid toward the other...	03/01/1994
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
5052121	Temperature-compensated quantitative dimensional measurement device with rapid temperature sensing and compensation A computerized gauge measures dimensions, typically in the range of 6.1865" to 6.1917" accurate to &#b1;0.001", typically the diameter of a steel railroad car axle. The gauge simultaneously senses the temperature, typically within a range of -20° F. to 1...	10/01/1991
4845646	Handheld digital gemstone measurement apparatus A digital gemstone measurement device includes a first caliper jaw fixed to a housing, a second caliper jaw movable relative to the first caliper jaw, an encoding wheel that rotates in response to linear motion of the second caliper jaw, a photosensor for...	07/04/1989
4821421	Micrometer for measuring outer dimensions inner dimensions of a cavity or depth of a cavity The apparatus according to the invention essentially comprises a pistol-shaped body provided with a trigger connected to a mobile carriage carrying a piston. A measuring piece may be adapted to a fixing head provided with a surface plate constituting a re...	04/18/1989
4736313	Digital indication type length measuring system A digital indication type length measuring system includes a length measuring device having a spindle which can be brought into abutting contact with a work to be measured, an encoder for representing a displacement of the spindle as an electric signal, a...	04/05/1988
4578868	Digital display measuring apparatus A digital display measuring system includes a movable and stationary members between which an object to be measured is located, these members respectively supporting transmitter and receiver electrodes which define a variable capacitor having its electros...	04/01/1986
4561185	Measuring instrument The present invention relates to a measuring instrument, and this measuring instrument comprises a main frame for axially movably supporting a spindle, a first tubular member having loosely inserted thereinto an engageable member projected from the spindl...	12/31/1985
4495701	Digital indication type micrometerhead A digital indication type micrometer head with a spindle moved axially by the rotation of a thimble through a screw feed mechanism to a detector for detecting axial motion of the spindle, a unit for processing signals from the detector and calculating a d...	01/29/1985
4486891	Contact point type measuring device A contact point type measuring device being equipped with contact point type encoder having scale contact points and brushes to supply pulse type measured signals, a counter circuit and a display section of measured value, such device comprising the scale...	12/04/1984
4443945	Electric micrometer An electric micrometer with a U-shaped frame has a contact-type rotary encoder comprising a disk which has conductor patterns thereon, and a rotary brush holder which holds rotary brush contacts. The rotary brush holder is rotated by rotation of a spindle. A ...	04/24/1984
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
4094070	Micrometer head with double counter A micrometer head with a double counter including a first digital counter for displaying the displacement of an axially movable spindle in the positive direction, and a second digital counter for displaying its displacement in the negative direction, whic...	06/13/1978
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

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Class 33/819 - Digital