| Patent Number |
Title Of Patent |
Date Issued |
| 5939026 |
Apparatus for processing gas by electron beam |
August 17, 1999 |
| An electron beam gas processing apparatus includes a single vacuum vessel maintained at vacuum by means of a vacuum pump and first and second lenses are disposed in the vacuum vessel. An electron beam emitted from an electron source is focused by each of the lenses, and the electron beam |
| 5157235 |
Laser marking system |
October 20, 1992 |
| A laser marking system of the present invention is provided with an irradiation position changing device on a laser beam path for changing the irradiation positions of the laser beam corresponding to each marking area when a marking area including a plurality of irradiation marking areas |
| 4740980 |
Gas laser device |
April 26, 1988 |
| In a gas laser device according to this invention, a gas inlet having an electrode protrudes within each of expanded portions protruding on the side, where the gas inlet is disposed, of the principal portion of the discharge tube. Gas medium ejected from the gas inlet in the principal |
| 4682003 |
Laser beam glass cutting |
July 21, 1987 |
| In a laser beam glass cutting method, a glass article to be cut (for example a moulded tumbler having a moil) is maintained at a high temperature below the softening point of the glass and then the glass is repeatedly irradiated with a laser beam along the required cut-off line by ro |
| 4620663 |
Parts-connecting apparatus using solder |
November 4, 1986 |
| An apparatus for connecting wiring patterns on a wiring board and leads of a parts to be mounted on the wiring board, via the solder provided between the leads and the patterns. The parts-connecting apparatus enables, especially, circuit elements of a high degree of, to be connected |
| 4502320 |
Method and apparatus for diagnosing oil-filled electric apparatus |
March 5, 1985 |
| Method and apparatus for diagnosing abnormality of an oil-filled electric apparatus is disclosed. Presence or absence of abnormality is determined by comparing contents of plural predetermined components contained in gas extracted from the oil of the electric apparatus with respective |
| 4444040 |
Method and apparatus for detecting gas components in oil in oil-filled device |
April 24, 1984 |
| In an apparatus for detecting gas components in the oil in an oil-filled device, which comprises a gas-storing chamber being provided at an oil-filled device containing an insulating oil through a gas-permeating material capable of separating gas components from the insulating oil, a |
| 4366478 |
Signal transmitting and receiving apparatus |
December 28, 1982 |
| Disclosed is a signal transmitting and receiving apparatus for transmitting and receiving parallel-by-word data signals, converting the parallel-by-word data signal to serial-by-word data signal, and transmitting the serial-by-word data signal to control units connected in a multi-dr |
| 4354115 |
Photocoupling device |
October 12, 1982 |
| A photo-coupler for electricity-light-electricity conversion comprising:(1) a light emitting part;(2) a photosensing device comprising a plurality of photosensing elements electrically connected in series in a light receiving surface of an insulating substrate, said photosensing elements bei |
| 4345471 |
Temperature measurement apparatus |
August 24, 1982 |
| A light source for forming an optical path extending across a closed vessel and a light receiving unit for receiving light from the light source are disposed outside the closed vessel. A portion to have its temperature measured as lies in the closed vessel is provided with a temperature |
| 4263491 |
Method for checking electric contacts of an enclosed-type switching device and an auxiliary appa |
April 21, 1981 |
| In an enclosed-type switching device having at least a pair of electric contacts, a method for checking the contacts without visual inspection wherein with the contacts closed, the resistance value between outer terminals connected to the contacts is measured and compared with a refe |
