Abstract: In an optical apparatus comprising a condensing optics (104) for condensing incident light of linearly polarized light (10), an optical splitting element (701) for splitting reflected light reflected by a light reflection member (105) disposed in close proximity of the focal plane of the condensing optics (104) from the incident light, and an optical detection element (704) for detecting a split light beam (12) split by the optical splitting element, an optical rotatory element (103), capable of optically rotating substantially 90° a polarization axis of the linearly polarized light in a region thereof, corresponding to a portion of an effective light beam (11) of the linearly polarized light, available for the condensing optics (104), and also controlling an optical rotatory power thereof by electric signals, is disposed in the optical path of the incident light of the linearly polarized light (10), Further, a linearly polarized light detection element (703) is disposed in the optical path of the split l

Abstract: A network system is constructed by a client and a server. The client has a set information obtaining unit for requesting connection information to the server by an information obtaining request using user ID information and setting the connection information received as its response. The server has a set information providing unit for transmitting the connection information which is obtained by using the user ID information received from the client to the client.

Abstract: Technology to effect remote operation of a device without creating a processing load on the device. In addition, a technology is provided to simplify the creation of correct command line text. The following are carried out by a device to determine whether a specific file is stored on another device and if the specific file is stored on the another device, the processes indicated by the specific file is executed.

Abstract: A printing-plate mounting-position instruction system instructs a worker where to mount a plurality of printing plates in a rotary printing press. The system includes a controller, a reader, a judging device, and a display device. The controller creates assignment information for assigning printing plates to mounting positions on each of plate cylinders used in each of printing units on the basis of production instruction information. The reader reads a mark on a printing plate for printing-surface information. The judging device is connected to the controller and the reader and collates the assignment information received from the controller and the printing-surface information received from the reader, thereby judging the location where the printing plate is to be mounted. The display device displays the result of the judgment.

Abstract: An optical apparatus provided with a focusing optics (104) for focusing linearly polarized light has a construction wherein an optical rotatory element (103) having a region for optically rotating a polarization axis of the linearly polarized light in at least a portion thereof is disposed in the optical path of the linearly polarized light so as to differentiate locally the orientation of the polarization axis of the linearly polarized light falling thereon. The optical rotatory element (103) is preferably composed of a &thgr;° optically rotatable region (103a) capable of optically rotating a polarization axis of the linearly polarized light falling thereon by an optional angle &thgr;°, and a (&thgr;−90)° optically rotatable region (103b) capable of optically rotating a polarization axis of the linearly polarized light falling thereon substantially by an angle of (&thgr;−90)°.

Abstract: In a process for producing hydrated iron oxide which comprises the steps of adding an aqueous alkali solution to an aqueous solution of a ferrous salt in an amount no more than a neutralizing equivalent amount with respect to said ferrous salt, oxidizing the resulting ferrous hydroxide containing suspension to produce the seed crystals of hydrated iron oxide and subsequently supplying an additional amount of alkali and oxidizing the hydrated iron oxide to grow, sulfurous acid or a sulfite is added to either the aqueous ferrous salt solution or the aqueous alkali solution or the suspension containing ferrous hydroxide before the oxidation of ferrous hydroxide starts. The resulting hydrated iron oxide may be used as a raw material to produce berthollide, maghemite or a cobalt-doped ferromagnetic iron oxide.

Abstract: An optical information processor according to the present invention comprises a spatial light modulator 1 illuminated by linearly polarized coherent light and a linear polarization detector element 2 for detecting light diffracted by the spatial light modulator 1, wherein a rotatory polarization element of the spatial light modulator 1 is arranged in such a manner that the direction of the major molecular axis 11 thereof at the incident light side substantially conforms to the linear polarization axis direction (Y-axis direction) of the coherent light and the linear polarization detector element 2 is arranged in such a manner that the detecting axis 21 thereof crosses substantially at right angles with the major polarization axis of the zero-order diffracted light 4 included in the diffracted light described above.

Abstract: A precision liquid crystal spatial optical modulator device capable of being controlled by electric signals is realized using fine structure electrodes below a thickness of a liquid crystal layer, bringing adjacent electrodes close to one another, and driving them interconnectedly so as to spatially and finely control both liquid crystal molecule layers oriented immediately below the driving electrodes and immediately below the electrode gaps. A fine structure optical diffraction grating capable of electronic control which improves pattern positional accuracy of a liquid crystal optical modulator devices, reduces a pattern formation error and improves an aperture ratio of the liquid crystal modulator device can realized.

Abstract: A real-time holography system includes a matrix liquid crystal display, as used in a liquid-crystal television set, for producing a hologram. An image of an interference-fringe pattern caused by an object light wave and a reference light wave is converted into a video signal by a CCD camera, and the image of the pattern is reproduced on the display on the basis of the video signal. Therefore, a three-dimensional image can be reconstructed in real-time by making a reference light wave on the display.

Abstract: A driving circuit for a laser diode has an exciting circuit for intermittently exciting the laser diode. A photodiode is provided for detecting the beam power emitted from the laser diode, and a resistor is connected to the photodiode in series. Voltage across the resistor is stored in a capacitor of a charging circuit. The stored voltage is applied to a constant current circuit to control a current supplied to the laser diode to stabilize beam power of the laser diode.

Abstract: A flat motor suitable for driving the fan of an internal combustion engine includes a stationary cover member in the form of a disk adapted to be fixedly secured to a stationary support and a shaft secured at one end to the center of the cover member. A permanent magnet ring is secured to the cover member about the shaft and a rotor of synthetic resin material having an electric coil embedded therein is rotatably mounted on a shaft by means of a ball bearing which supports the entire weight of the shaft. A commutator ring assembly is secured to one side of the rotor and a bearing sleeve is mounted between the commutator ring and the shaft. A yoke is provided on the opposite side of the electrical coil from the permanent magnet and may be comprised of a plurality of disks of magnetic material secured in the resin material. A disk of soft magnetic material having a fan assembly integrally molded about the outer periphery thereof is secured to the rotor in engagement with the disk comprising the yoke.

Abstract: A television receiver having a liquid crystal display device includes a receiver having a electromagnetically shielded case and a receiving circuit provided in the shielded case and electrically connected to an antenna for producing audio signals and video signals. A liquid crystal display panel of the liquid crystal display device is electromagnetically shielded by a transparent and conductive shielding film for shielding the liquid crystal display panel.

Abstract: An air lumbar support device utilized in an automobile seat for adjusting the curvature of a seat back by selectively regulating air pressures of a plurality of air bags accommodated in the seat back. The support device includes a pressure sensor detecting the air pressures of the seat bags, an input circuit supplying an electric signal from the pressure sensor to a control circuit, an output circuit receiving electric signal from the control circuit and causing an air control valve to actuate to thereby control the air pressures of the air bags, and a memory circuit memorizing and reading the electric signal supplied from the input circuit to the control circuit.

Abstract: A lumbar support air valve assembly is comprised of a housing having a chamber therein adapted to be connected to a source of air under pressure. A plurality of outlet ports are provided through the housing corresponding in number to the number of air bags located in the lumbar support region of an automobile seat back. The passage of pressurized air to the outlet ports is controlled by a check valve associated with each outlet port. A pressure relief valve is provided for limiting the pressure within the chamber and the individual air bags to a pre-determined value. A solenoid actuator is associated with each check valve within the housing so that on operation of the solenoid actuator by means of a switch located at a remote location on or near the dash board a solenoid actuator will cause the respective check valve to open. The energization of each solenoid actuator to open a check valve simultaneously opens an exhaust port for reducing the air pressure within the air bag associated therewith.

Abstract: An air bag control valve assembly is adapted to control the inflation of a plurality of air bags installed in a seat back rest of an automobile to fit the contour of the seated individual. The valve assembly comprises an integrally assembled body in which a pressure compartment is formed, an inlet for connecting the pressure compartment to a source of air pressure, a plurality of combined check and release valve units for connecting the pressure compartment to each of the air bags, said combined check and release valve units being attached to the interior of said body, and push-button mechanisms attached to said body to correspond to respective ones of said combined check and release valve units, the combined check and release valve units being opened by said push-button mechanisms so that air enclosed within the air bags is expelled backwardly into the pressure compartment and thence discharged into the atmosphere through gaps defined between the body and the push-button mechanisms.

Abstract: A hose connector for at least one hose of a fluid operating device which includes a housing having a plurality of ports formed therein such that each of the plurality of hoses is interconnected with a corresponding port and including an elastic bushing mounted within the housing adjacent each of the plurality of ports for fluid communication with the fluid operating device. Each of the bushings is physically mounted within an opening formed in the housing and may include a plurality of annular seals formed on the outer periphery thereof and a plurality of annular seals formed on the inner periphery thereof.

Abstract: A temperature responsive valve includes a bimetal disk which snaps in response to changes in temperature, a rod moved by the snapping action of the bimetal disk, a valve member in association with movement of the rod to thereby control the flow of fluid, and an adjustment member threaded through a body to properly adjust the range in movement of the valve member, the adjustment member being secured to the body after adjusting operation of the range of movement of the valve member.

Abstract: An air bag system includes a plurality of inflatable air bags; an air source for supplying air to said air bags, a branched joint for distributing the air from said air source to said air bags; and check valves, each being provided between said joint and said air bags for allowing the air to flow to air bags from said joint, and openings of ports of said joint to branch pipes being changed in order of inflation of air bags.

Abstract: An air bag system includes a plurality of air bags; a pump for supplying said air bags with air, check valves, each disposed on respective pipes communicating said pump with the air bags; and relief valves, each for discharging the air from respective air bag. The air bag further includes stop valves, each provided between said pump and respective check valves for inflating each air bag independently. The contour of a seat having air bags contained therein may be changed so as to fit an occupant.

Abstract: An improved, dual function, thermal valve assembly has two passages and two valve mechanisms disposed in the passages, respectively. The assembly employs two thermally responsive actuating members which are actuatable to provide the dual functions in successive steps upon an increasing degree of temperature. The assembly is characterized by provision of a cavity to contain in isolation the thermally responsive actuating members from the passages to thereby avoid a tendency of thermal influence from the air flow passing through the passage.