Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Panasonic Intellectual Property Management Co., Ltd.

Seiji Hamano

Tomotaka Furuta

Yasuhiro Kabetani

Fumio Sugata

Nobuo Hara

Yusuke Kusaka

Tsuyoshi Nomura

Shohei Aoki

Atsushi Fukui

Masami Ito

Kanji Nishii

Kazumasa Takata

Takashi Ichiyanagi

Terutsugu Segawa

Yohei Takechi

Sadafumi Oota

Kouhei Hamamura

Provided is a winding apparatus that is provided with a splitter that splits radiant light from a light source unit into measurement light applied to a side face part of a first sheet and a second sheet and reference light applied to a reference surface, an interference detector that detects interference light formed by interference between the reference light reflected by the reference surface and the measurement light reflected by the side face part, a position detector that detects the position of the first sheet and the position of the second sheet on the basis of the detected interference light, and a decision processor that decides the quality of the wound body on the basis of the detected positions of the first sheet and the second sheet.

Winding device, winding method, inspection device and structure manufacturing method in which a position of stuck together first and second wound sheets are detected via interference light generated using reflected reference light from a reference surface

Winding device, winding method, inspection device and structure manufacturing method

A microwave heating apparatus () includes a burning chamber () in which an object () to be burned is placed, a magnetron () for applying microwaves into the heating apparatus, a cooling gas introducing mechanism () for introducing a cooling gas from outside the heating apparatus into the heating apparatus, a cooling gas channel () through which the cooling gas flows to the burning chamber (), heat-generating members (to) for self-heating with microwaves applied thereto to heat the cooling gas flowing through the cooling gas channel () and a control section () for, when the burning chamber () having the object () to be burned placed therein is cooled, causing the cooling gas introducing mechanism () to introduce the cooling gas into the heating apparatus, and causing the magnetron () to intermittently apply microwaves into the heating apparatus.

Microwave heating method and microwave heating apparatus

In an optical interference measuring method according to the present invention, light emitted from a light source unit is split into measuring light and reference light, coherent light is detected that is obtained by interference of the reference light and the measuring light reflected from or scattered rearward from a measuring object, an optical-path length adjustment mechanism provided in the optical path of the reference light is driven to change the optical path length of the reference light, it is decided whether an image based on the detected coherent light is a normal image or a folded image based on the coherent light having varied with the change of the optical path length of the reference light, and the measuring object is measured from the detected coherent light based on a result of the decision about whether the image is a normal image or a folded image.

Optical interference measuring method and optical interference measuring apparatus

By using two probe optical systems for measurement by disposing the probe optical systems with a test object sandwiched therebetween, an optical path length of light transmitted through the test object which is identified locally is calculated using an interference signal thereof. In addition, a geometrical thickness of the same part is calculated by measuring positions of the probe optical systems, whereby two calculated values are obtained. Based on the values and a calculated value for a reference object, a refractive index distribution of the test object is obtained.

Refractive index measuring apparatus

A two-dimensional scanning device possesses: a light source for emitting light; a mirror for scanning on a test surface in the X direction; a mirror for scanning on the test surface in the Y direction; a lens which has different powers in relation to the X direction and the Y direction; and a lens which has different powers in relation to the X direction and the Y direction. The mirrors are arranged between the light source and a lens group including the lenses.

Two-dimensional scanning device

The present invention aims to provide an intra-oral measurement device and an intra-oral measurement system capable of measuring an inside of an oral cavity at high accuracy without increasing a size of the device, and includes a light projecting unit for irradiating a measuring object including at least a tooth within an oral cavity with light, a lens system unit for collecting light reflected by the measuring object, a focal position varying mechanism for changing a focal position of the light collected by the lens system unit, and an imaging unit for imaging light passed through the lens system unit.

Intra-oral measurement device and intra-oral measurement system

A light having a single wavelength which is emitted from a light emitting element comprising a light emitting diode, a semiconductor laser or the like is changed to a parallel light by a collimator lens. The parallel light emitted from the collimator lens which has been changed or is being changed to such a beam as to keep a small beam diameter for a long distance by a conical lens is irradiated on a surface of an object to be measured. The light diffused from the surface of the object to be measured is collected into a position detecting element by a condenser lens so that a distance on the surface of the object to be measured can be measured.

Distance measuring method and distance sensor

A method for processing three-dimensional shape data includes steps of obtaining a plurality of point data along a surface of an object having a three-dimensional shape; taking out a point data from the obtained point data to be processed, approximating each specified number of point data in the to-be-processed point data adjacent the taken-out point data by a polynomial and then finding two unit vectors at the taken-out point data; finding an opening angle defined between the two found unit vectors; comparing the found opening angle with a predetermined threshold value of the opening angle, determining whether or not the found opening angle is not larger than the threshold value, and thinning the taken-out point data when the found opening angle is larger than the threshold value and not storing the taken-out point data in a storage unit, and leaving the taken-out point data without the thinning when the found opening angle is not larger than the threshold value and storing the taken-out point data in the storage unit.

Growing community of inventors

Hyogo, Japan

Seiji Hamano