Abstract: A sound pickup apparatus selecting one of a plurality of microphones and performing echo cancellation processing for a plurality of microphones with an echo canceller to output a sound. The sound pickup apparatus sets a “learning mode” when the power supply is turned on, outputs a calibration sound from an echo cancellation calibration sound generator via a speaker, detects an echo at that time with a microphone and obtains an echo cancellation use parameter canceling the echo.

Abstract: A data sharing system is disclosed together with a transmitting terminal apparatus and a receiving terminal apparatus interconnected and controlled so as to effect efficient data transfers and concomitant interlocking processes therebetween in keeping with network communication status.

Abstract: The present invention is related to a sound pickup apparatus selecting one of a plurality of microphones and performing echo cancellation processing for a plurality of microphones with an echo canceller to output a sound. The sound pickup apparatus sets a “learning mode” when the power supply is turned on, outputs a calibration sound from an echo cancellation calibration sound generator via a speaker, detects an echo at that time with a microphone and obtains an echo cancellation use parameter canceling the echo.

Abstract: A voltage applying apparatus including a holder, a probe and the like as voltage applying means enabling the application of a voltage to electrode wiring connected with electric conductors formed on a substrate on which the electrode wiring is formed. The apparatus is equipped with aligning means making the position of the probe follow to the changes of the position of the electrode wiring to coincide with them. The aligning means makes the position of the probe follow the position of the electrode wiring so that the probe aligns the electrode wiring by the thermal expansion of the holder.

Abstract: The present invention relates to a sound pickup apparatus performing an echo cancellation processing of a plurality of microphones with one echo canceller. The present apparatus stops learning processing of the echo canceller for predetermined time in switching microphones, switches learning data to learning data of a new microphone with cross-fading sound signals of a microphone before switching and a microphone after switching, and after cross-fading, restart the echo cancellation processing with learning data after switching.

Abstract: This invention provides an electron source manufacturing apparatus and manufacturing method which facilitate downsizing and operation and are suitable for mass production. The electron source manufacturing apparatus includes a support which supports a substrate having conductors formed on it and has a means for adjusting the temperature of the substrate, a vessel which has a gas inlet port and gas exhaust port and covers a partial region on the surface of the substrate, an unit for introducing and exhausting gas into and from the vessel, and an unit for applying a voltage to the conductors. The support has a groove.

Abstract: A data sharing system is disclosed together with a transmitting terminal apparatus and a receiving terminal apparatus interconnected and controlled so as to effect efficient data transfers and concomitant interlocking processes therebetween in keeping with network communication status.

Abstract: Miniaturization, the simplification of operationality, the improvement of a manufacturing speed and a mass production property, and the improvement of the durability and the conduction property of a probe of an apparatus for manufacturing an electron source are aimed. It is made to be possible to manufacture an electron source having a superior electron-emitting characteristic without damaging any substrate or the like. The apparatus includes a holder, a probe and the like as voltage applying means enabling the application of a voltage to electrode wiring connected with electric conductors formed on a substrate on which the electrode wiring is formed. The apparatus is equipped with aligning means making the position of the probe follow to the changes of the position of the electrode wiring to coincide with them. The aligning means makes the position of the probe follow the position of the electrode wiring so that the probe aligns the electrode wiring by the thermal expansion of the holder.

Abstract: An apparatus for inspecting a multi-core optical fiber having a plurality of cores arranged in one plane includes a light source 10 having a plurality of optical output terminals which are connected to the incident ends of the respective cores of the multi-core optical fiber and used for putting optical signals into the respective cores thereof; optical signal taking means (12 and 14) for taking out the optical signal emitted from the emission end of each core of the multi-core optical fiber in a time series mode according to the alignment order of emission-side cores of the multi-core optical fiber; optical signal detecting means (16 and 18) for detecting the optical signal thus taken out by the optical signal taking means; and signal processing means 20 for verifying core numbers of the respective cores of the multi-core optical fiber on the basis of the signal patterns of detection outputs of the optical signal detecting means.

Abstract: This invention provides an electron source manufacturing apparatus and manufacturing method which facilitate downsizing and operation and are suitable for mass production. The electron source manufacturing apparatus includes a support which supports a substrate having conductors formed on it and has a means for adjusting the temperature of the substrate, a vessel which has a gas inlet port and gas exhaust port and covers a partial region on the surface of the substrate, an unit for introducing and exhausting gas into and from the vessel, and an unit for applying a voltage to the conductors. The support has a groove.

Abstract: An apparatus for verifying the wire gauges of a multi-core optical fiber including a multi-output light source unit having a plurality of output terminals, and an integrated light receiving device having a plurality of light receiving elements which are integrated into one body. In the apparatus, outputs of the multi-output light source unit are inputted into the respective cores of the multi-core optical fiber, rays of output light from the multi-core optical fiber are collectively received by the integrated light receiving device, and a plurality of outputs of the integrated light receiving device are inputted into an operational processor circuit, so that the wire gauges are verified from the light receiving position of the integrated light receiving device.

Abstract: A high-reflection attenuation light-interception apparatus having a measured optical plug (1) which is PC polished on its output terminal, a short ferrule (2) which has an internal graded index fiber (6) with a PC polished input terminal and diagonal polished output terminal, a receptacle (3) which directly connects the output terminal of the measured optical plug (1) and the input terminal of the short ferrule (2), a light-interception element which receives light propagated through the graded index fiber (6) in the short ferrule (2), and a light-interception element block which fixes in face to face relationship the output terminal of the short ferrule (2) and the receiving surface of the light-interception element (4).

Abstract: Electroconductive frit includes glass (14) having a low melting point and a filler of fine glass particles (12) coated on the surface with metal(13). The electroconductive frit is used for bonding a spacer to an electron source substrate and a face plate in an image-forming apparatus to ensure mechanical securing strength and electrical connection.

Abstract: In an optical element, an optically transparent substance is sandwiched between transparent paired plate-shaped elements by utilizing a connection member capable of deforming, and the angle formed by the paired plate-shaped elements is caused to vary by a force applied thereto from the outside, so that a predetermined optical characteristic for the passing light rays is obtained. The connection member is constructed from a high-molecular material capable of molding.

Abstract: An optical device for stabilizing an image of an objective lens against an unexpected vibration is disclosed. A pair of transparent parallel-plane plates are supported by a support member, an optically transparent material is held in a space defined by the pair of parallel-plane plates by a deformable connecting member, a reinforcement member made of a harder material than that of the support material is provided at a portion of the support member, and a drive force is applied to the pair of parallel-plane plates through the reinforcement member.

Abstract: An optical signal band-pass filter module permitting a light which is transmitted through a band-pass filter twice so that the central wavelength in a transmittance bandwidth thereof is prevented to be varied.

Abstract: There is disclosed an optical device capable of deforming a member connecting a pair of optically transparent parallel-faced flat plates, thus varying the mutual angle of the paired flat plates and obtaining a predetermined optical performance on the passing light beam. The connecting member is formed by connecting plural elastic members so as to form Y-shaped or modified Y-shaped cross section in a number at least equal to zero. The connecting member is formed, in at least a part of the elastic members, by one-layered or plural-layered polymer films.

Abstract: An angular displacement detecting device which is provided with a tubular casing having a chamber in which a liquid is sealed, a floating body having a magnetic characteristic, the floating body being disposed in the liquid sealed in the chamber and being supported for rotation about a predetermined rotational axis, a magnetism generating member for cooperating with the floating body to constitute a magnetic circuit, and a detector for detecting a relative rotation about the rotational axis between the floating body and the tubular casing. The floating body is formed of either a material in which a magnetic material powder with a particle size of 10 .mu.m or less is dispersedly mixed with a thermoplastic, high polymeric organic material or a material in which a magnetic material powder whose particles are coated with a silane or titanium coupling agent is mixed with a thermoplastic, high polymeric organic material.