At least three detectors disposed on a line perpendicular to a straight line fringe pattern and on centers at one-fourth the fringe period provide signals indicative of the intensities of the pattern incident on them. The signals are manipulated to render equal the fringe intensity terms of the expressions from the sinusoidally varying signals as part of the procedure for deriving the phase value. Derivation of the phase value is a step in derivation of displacement. The fringes are created in a...

The invention relates to a measuring method and a measuring system, particularly suited for measuring the function of at least one organ of a user non-invasively. The system comprises a transmitter unit (200) attached to the user's body, and a receiver unit (202). The transmitter unit (200) transfers its measurement data associated with at least one organ to the receiver unit (202), and at least one sensor (208, 210 to 214) measures other properties than the function of the user's organs when th...

A pulse-like heating is applied to a thin-film material having a high thermal conductivity such as a diamond thin film so that a response characteristic at this time is measured as a change in temperature of the thin film. The response characteristic reflects the thermal influence of the circumstance on the thin-film material, and depends, for example, on the flow rate of fluid. At this time, a sensor for obtaining an output depending on the fluid and the temperature of the fluid and a sensor fo...

A measuring device for the measurement of workpieces has a base frame with a workpiece receiver to receive a workpiece to be measured, and at least one measuring unit for the measurement of the workpiece. In order to utilize the measuring device as flexibly as possible, and permit the measurement of different workpieces in as simple a manner as possible, the measuring unit can be brought into at least two different positions.

In a measuring method with a probe (a touch trigger probe 70), a velocity V1 and a coordinate value P1 of the prove trigger probe 70 are detected when a contact-detection signal is generated from the probe 70, and then a coordinate value P0 at the moment of contact is found from the coordinate value P1, the velocity V1, and an elapsed time T1 of the touch trigger prove 70 since the contact detection (an elapsed time from the contact until the contact-detection signal is generated).

To provide a method and an instrument capable of easily and accurately measuring a size of an affected part present in a body of a patient, there is provided a measuring instrument 1 including at least four sheets of acrylic plates having indices of a substance of X-ray image forming performance of metal balls 2 and 3, metal wires and the like in which sets of two sheets of the acrylic plates are arranged in parallel to each other and a space defined by the sets of acrylic plates arranged in par...

A method of measuring a lens comprises an aligning step of relatively aligning a plurality of specified annular zones on a surface of the lens with predetermined positions, and a determining step of determining an aspherical axis of the target surface aligned in the aligning step.

The disclosed measuring apparatus can measure a predetermined physical quantity (e.g., temperature) of a coloring member (e.g., liquid crystal) whose color condition changes according to change of the physical quantity. The measuring apparatus comprises: a coloring member (2) whose color condition changes according to change of a predetermined physical quantity; a color detecting section (5) for detecting the color condition of the coloring member; a data base section (8) for constructing a thre...

A method of measuring material in which the material is conveyed by a conveying unit and dropped from a discharge portion of the conveying unit to be supplied into a measuring unit arranged under the discharge portion, and is measured by the measuring unit, includes a first supplying step of supplying the material through the discharge portion into the measuring unit until a quantity of the material measured by the measuring unit reaches a preparatory target value which is small compared to a fi...

A wavefront measuring device is disclosed which is capable of measuring an average wavefront and the retardation of a lens including birefringence. The measuring device includes a light source for emitting a linearly polarized light; a polarization orientation setting member for switching the polarization orientation of the light flux from the light source between at least two orientations; a light synthesizing member for synthesizing the light flux after passing the light fluxes through an obje...