Abstract: In an oxygen concentration detector which comprises an oxygen ion-conducting solid electrolyte, a pair of electrodes, provided on both sides of the solid electrolyte, as counterposed against each other, at least one of the electrodes being exposed to a sample gas, an oxygen ion-conducting diffusion-resistant layer, provided on the electrode exposed to the sample gas and having a predetermined porosity thereby to promote the diffusion of the sample gas, the present oxygen concentration detector is characterized by an electrically insulating porous layer, made of an electrically insulating material, provided between the electrode exposed to the sample gas and the diffusion-resistant layer and having a lower porosity than that of the diffusion-resistant layer and can accurately detect an oxygen concentration of the sample gas with current-voltage characteristics free from hysteresis.

Abstract: A sheet original feeding apparatus includes a sheet original stacking tray on which sheet originals to be treated are stacked as an original stack; a sheet original separating means for separating and supplying the sheet original one by one from the bottom of the original stack stacked on the sheet original stacking tray; a sheet original feeding path for directing the sheet original separated by the sheet original separating means; a sheet original feeding means for feeding the sheet original directed by the original feeding path to an image reading portion; a sheet original ejecting path for ejecting the sheet original fed by the sheet original feeding means to the sheet original stacking tray; and an auxiliary sheet original feeding apparatus which can be connected to the sheet original ejecting path.

Abstract: A sheet sorting apparatus with a stapler includes a plurality of bin trays which are arranged substantially vertically with predetermined clearances between adjacent bin trays, which are inclined to provide an inclined sheet receiving surfaces and which are independently movable substantially in the vertical direction, wherein the bin trays are so disposed that those ends of adjacent ones of the bin trays which are closer to the sheet inlet are deviated when seen in a direction substantially perpendicular to the sheet receiving surface; bin tray shifting device for moving the plurality of the bin trays stepwisely substantially in the vertical direction to oppose the respective bin trays to a sheet inlet of the sorting apparatus; stapling device, disposed substantially on an extension of the inclined sheet receiving surface and having a stapling head movable to above the sheet receiving surface and an anvil movable to below the sheet receiving surface, for stapling the sheets interposed between the stapling he

Abstract: A sheet original feeding apparatus comprises a sheet original stacking tray on which sheet originals to be treated are stacked as an original stack. A sheet original separator separates and supplies the sheet original one by one from the bottom of the original stack stacked on the sheet original stacking tray. A sheet original feeding path is provided for directing the sheet original separated by the sheet original separator. A sheet original feeder feeds in a forward direction the sheet original directed by the original feeding path to an image reading portion. The sheet original feeding means is also operable in a reverse direction, and the sheet original feeding path is arranged at one side of the sheet original feeder. A first sheet original ejecting path is further provided for returning the sheet original fed in the reverse direction by the sheet original feeder to the sheet original stacking tray from a same side of the sheet original feeder as the sheet original feeding path.

Abstract: A sheet sorting apparatus with a stapler includes a plurality of bin trays; bin tray shifting device for moving the plurality of the bin trays stepwisely substantially in the vertical direction to oppose the respective bin trays to a sheet inlet of the sorting apparatus, while expanding the clearances between the bin tray opposed to the sheet inlet and an upper adjacent bin tray and between the bin tray opposed to the sheet inlet and a lower adjacent bin tray to provide a larger clearance than the predetermined clearances; and stapler, disposed substantially on an extension of the inclined sheet receiving surface and having a stapling head movable to above the sheet receiving surface and an anvil movable to below the sheet receiving surface, for stapling the sheets interposed between the stapling head and the anvil, wherein the bin trays are so disposed that between those ends of adjacent ones of the bin trays which are closer to the sheet inlet are deviated when seen in a direction substantially perpendicula

Abstract: A sheet stapling apparatus includes sheet accommodating contain for accommodating discharged sheets, a stapling device for stapling the sheets received by the sheet accommodating contain, a reference for confining edges of the sheets accommodated in the sheet accommodating contain to align the sheets, and aligning member for urging the sheets accommodated in the accommodating contain to the reference, and for continuing to urge the sheets to the reference when the sheets are stapled by the stapling device.

Abstract: A method for controlling a sheet sorter wherein plural bins are sequentially moved to be faced to a sheet material inlet to sort the sheet materials onto the bins includes permitting sorting operation; and starting to reset the plural bins after the sheet materials are taken out of the bins.

Abstract: A sheet sorter includes first sheet discharging device for discharging sheet materials during non-sorting mode operation; second sheet discharging device for discharging sheet materials during sorting mode operation; a bin for the non-sorting mode operation; a plurality of bins for the sorting mode operation, a first bin of which is opposed to the second discharging device when the non-sorting bin is opposed to the first discharging device, wherein during the sorting mode operation, the plural bins are sequentially opposed to the second discharging device; and supporting device for supporting the non-sorting bin and the sorting bin with a predetermined positional relation to move them together.

Abstract: A method of controlling a sheet sorter wherein the sheet sorter includes a plurality of bins for accommodating sheets, the bins being arranged in a vertical direction, a first sheet discharging device for discharging sheets not to be sorted, second sheet discharging device, disposed with a vertical interval from the first sheet discharging device, for discharging sheets to be sorted, bin moving device for moving substantially vertically the bins and stapler device for stapling the sheets, the method includes providing the stapler device adjacent to the second sheet discharging device; accommodating the sheets on the plurality of bins by sequentially opposing the bins to the second sheet discharging device, and stapling the sheets on the bins by the stapler, when a sorting mode is selected; discharging the sheets by the first discharging device and accommodating them on a non-sort bin opposed to the first discharging device when a non-sorting mode is selected, and moving the non-sort bin to a neightborhood of

Abstract: A sheet finisher with a binder includes sheet stacker for stacking sheets discharged after images are formed thereon, a binder for binding the sheets stacked on the sheet stacker, a counter for counting a number of sheets accommodated in the sheet stacker, manual selector for starting binding operation of the binder, and a controller for discriminating whether or not the number counted by the counter is within a predetermined range, and for permitting operation of the binder by actuation of the manual selector, when the number is within the predetermined range.

Abstract: A sheet sorting device having a plurality of bin trays has a resilient member for imparting to a bin tray support member a force in the direction opposite to the direction of gravity and reducing a load applied to a bin tray drive source. A detecting device for stopping the driving of the drive source detects the movement of the drive source when the drive source moves up or down relative to the bin trays. Drive source has two lead portions, smooths the movement of the bin group and makes the amount of opening between the bins always constant.

Abstract: A sheet sorting device having a plurality of bin trays has a resilient member for imparting to a bin tray support member a force in the direction opposite to the direction of travity and reducing a load applied to bin tray driving means. Detecting means for stopping the driving of the driving means detects the movement of the driving means when the driving means moves up or down relative to the bin trays. Cam means has two lead portions, smoothes the movement of the bin group and makes the amount of opening between the bins always constant.

Abstract: A method of controlling a sheet sorter wherein the sheet sorter includes a plurality of bins for accommodating sheets, the bins being arranged in a vertical direction, a first sheet discharging device for discharging sheets not to be sorted, second sheet discharging device, disposed with a vertical interval from the first sheet discharging device, for discharging sheets to be sorted, bin moving device for moving substantially vertically the bins and stapler device for stapling the sheets, the method includes providing the stapler adjacent to the first sheet discharging device; accommodating the sheets on the plurality of bins of sequentially opposing the bins to the second sheet discharging device, and stapling the sheets on the bins by the stapler, when a sorting mode and a stapling mode are selected; discharging the sheets by the first discharging device and accommodating them on a the bin when a non-sorting mode and non-stapling mode are selected; and discharging the sheet by the second discharging device

Abstract: A sheet sorting apparatus with a stapler, includes a plurality of bin trays, bin tray shifting device for moving the plurality of the bin trays stepwisely substantially in the vertical direction to oppose the respective bin trays to a sheet inlet of the sorting apparatus, while expanding the clearance between the bin tray opposed to the sheet inlet and an upper adjacent bin tray to provide a larger clearance than the predetermined clearances, a shaft extending substantially perpendicularly to the extension of the inclined sheet receiving surface, and a stapler, supported rotatably about the shaft and having a stapling head movable to above the sheet receiving surface in a lateral direction by rotation about the shaft and an anvil movable to below the sheet receiving surface by the rotation, for stapling the sheets interposed between the stapling head and the anvil, wherein the bin trays are so disposed that between those ends of adjacent ones of the bin trays which are closer to the sheet inlet are deviated w

Abstract: A sheet material distributing apparatus includes a plurality of bins for accommodating sheet materials, a first sheet material gripping and conveying device displaceable to be opposed to a sheet material inlet of each of the bins, and a second sheet material gripping and conveying device displaceable to receive a sheet material from a sheet material discharging device and for transferring the sheet material to the first sheet material gripping and conveying device.

Abstract: A sheet sorting device having a plurality of bin trays has a resilient member for imparting to a bin tray support member a force in the direction opposite to the direction of gravity and reducing a load applied to a bin tray drive source. A detecting device for stopping the driving of the drive source detects the movement of the drive source when the drive source moves up or down relative to the bin trays. A cam member has two lead portions, smooths the movement of the bin group and makes the amount of opening between the bins always constant.

Abstract: A method for producing PLZT generally expressed as (Pb.sub.1-x La.sub.x) (Zr.sub.1-y Ti.sub.y).sub.1-x/4 O.sub.3 (0<x.ltoreq.0.3, 0.ltoreq.y.ltoreq.1.0) comprises the steps of forming a coprecipitated body by reacting solution containing at least one of Pb, La and Ti with a zirconium-containing solution and a precipitation-forming solution, or (a) forming a solution containing at least one of Pb, La and Ti forming PLZT generally expressed as (Pb.sub.1-x La.sub.x) (Zr.sub.1-y Ti.sub.y).sub.1-x/4 O.sub.3 (0<x.ltoreq.0.3, 0.ltoreq.y.ltoreq.1.0) and a zirconium-containing solution and carrying out a hydrolysis reaction to produce a sol body, (b) drying and then presintering the coprecipitated body at a temperature of from 700.degree. to 1300.degree. C. to form a modified zirconia powder, (c) mixing the presintered body with a compound having a remaining component composition of a required PLZT composition, (d) presintering the mixture at a temperature of from 500.degree. to 1000.degree. C.

Abstract: An image reading apparatus comprises, in a preferred embodiment, LEDs and image sensors for reading image and location information of an original, another LED and a photo sensor for generating a read start clock, memories for storing the image and location information read by the image sensors in one-to-one correspondence, a transparent sheet with matrix stripes placed on the original to provide the location information of each image information, and a CPU for controlling the operation sequence and detecting a ramp in the reading apparatus.

Abstract: There is provided an image forming apparatus comprising: a readout sensor for reading out an original which is illuminated by a light source; a converter for converting image information which is read out by the readout sensor to a binary signal; printing heads for recording the image information on a recording paper in response to an output of the converter; and a driver for relatively carrying the readout sensor with regard to the original or recording paper. A plurality of sets of those readout sensors, converters and printing heads are arranged in a line on the same substrate. An amount of scan movement of this apparatus is detected and the driving operations of the light source and the image readout sensor or printing head are synchronized for every unit moving amount, so that occurrence of variation in concentration of the reproduced image and a risk of fire can be prevented. Also, a remarkable energy saving effect can be obtained in case of driving the apparatus by a battery.

Abstract: A method of producing duplex copies from simplex originals, including sequentially feeding one at a time simplex originals from a stack of simplex originals to be reproduced as duplex copies; performing, for every other fed originals, first copy operation to produce one sided copies from said every other originals; sequentially feeding again one at a time the same originals; performing, for remaining every other fed originals, second copy operation to form images on such sides of the one sided copy as not bearing the images by the first copy operation step, to produce duplex copies from simplex originals.