Abstract: An apparatus for imputting commodity data, including a bar code scanner and a keyboard for inputting the commodity data. The apparatus further includes a supporting member for pivotably supporting the keyboard at its front end, a plurality of engagement portions provided at one of opposed portions between the keyboard and the supporting member and arranged on an arc about an axis of rotation of the keyboard, a stopper member provided at the other of the opposed portions and adapted to be releasably engaged with any one of the engagement portions, and a release mechanism connected to the stopper member for releasing the stopper member from the engagement portion, the release mechanism having a knob projecting from the front end of the supporting member of the keyboard for operating the release mechanism.

Abstract: An electrophotographic apparatus includes an image forming mechanism for forming an image on a paper sheet, and a magnetic cleaning system for magnetically cleaning a surface of an image carrier of the mechanism for each cycle of image formation. A mechanical cleaning system is provided for mechanically cleaning the image carrier. The mechanical cleaning system includes a blade movable between a contact position where it contacts with the surface of the carrier and an off position where it is kept apart from the surface. The blade is intermittently moved to the contact position, by a drive mechanism and a control unit, for predetermined operating times at predetermined time intervals. The blade is arranged to be manually operable through a lever attached to the blade.

Abstract: In the present invention, a long and narrow color ink ribbon in which ink supply portions are repeatedly formed with the same arrangement is formed, a ribbon carrying means which moves the color ink ribbon in its lengthwise direction is provided, positions discriminating marks which are parallel to the lengthwise direction of the color ink ribbon and of which lengths are set correspondingly to the respective ink supply portions are positioned on the same straight line and formed at one edge of the color ink ribbon, and a discrimination mark read-out means implemented by arranging two optical sensors on a straight line in the direction along which the color ink ribbon moves is provided at the position opposite the discrimination marks.

Abstract: In a first embodiment of the present invention, a plurality of electrode portions are contactably and approachably disposed on an electrostatic latent image holding member in order to equalize a toner image of an electrostatic latent image holding member. In a second embodiment, an elastic foaming apparatus is contactably or approachably disposed to the electrostatic latent image holding member in order to equalize the residual toner distribution on the electrostatic latent image holding member. In a third embodiment, an equalization member consisting of an electric conductor or a resistor is contactably and approachably disposed on the electrostatic latent image holding member in order to equalize the distribution of toner of the transfer residual toner image. An AC electric field may be generated between the equalization member and the electrostatic latent image holding member.

Abstract: A postobjective optical scanner comprising a polygonal optical deflector (polygonal rotating mirror) having a plurality of convex reflecting surfaces each being a curved surface other than a spherical surface or a portion of a cylindrical surface. The deflector also utilizes a pseudocylindrical lens disposed between the polygonal optical deflector and an objective surface, having a cylindrical surface having its power in the feed direction or a rotationally symmetric surface rotationally symmetric with respect to an axis of rotational symmetry parallel to the scanning direction, and a curved surface represented by a polynominal of even degree and having its power in the scanning direction. The combined performance of the correcting effects of the polygonal optical deflector and the pseudocylindrical lens corrects the curvature of image surfaces and f.theta. characteristics at a high accuracy.

Abstract: A thermal printer comprises a pair of fixed frames for rotatably supporting a platen which is rotated by a motor and a head unit rotatably supported by the fixed frames through a pair of movable frames and for supporting a thermal head. A pair of pinch rollers are rotatably mounted on the fixed frames, which are selectively brought to a first operating state to feed a paper sheet to the region between the platen and the thermal head, and a second operating state to feed no paper sheet. The thermal head is selectively moved between a first position, in which it is pressed against the platen, and a second position in which it is disengaged from the platen. The thermal head is moved to the first position, at the same time the pinch rollers and moved to the second operating state, while the thermal head is moved to the second position, at the same time the pinch rollers are moved to the first operating state.

Abstract: In a thermal printer according to the present invention, a platen can be mounted in a pressed abutted condition against a thermal head by fixing the platen in a state where the platen is pressed toward a thermal head which is fixedly provided, and when the pressed abutted condition is released by the operation of a release lever the platen is floated in a free condition and it can be easily taken out.

Abstract: A ticket issuing device includes a thermal head, a temperature detector circuit for detecting the temperature of the thermal head, and a printing control circuit for driving the thermal head to repeatedly print boarding ticket information on paper a number of times, corresponding to the number of tickets to be issued, and issuing the printed paper as tickets.

Abstract: In the present invention a money case is provided with a drawer body having a plurality of open-top coin containers and a plurality of open-top bank note containers arranged therein and adapted to be received into a boxlike body. The money case includes at least one coin case and one bank note case with a bank note holding surface formed therein for holding bank notes such that they stand on their edges, in which the coin case and the bank note case are adapted to be selectively positioned in the drawer body and suitably set thereto by a setting mechanism.

Abstract: A bar code printer according to the present invention is used for the printing of symbol guards to be printed on both sides of a bar code pattern leaving fixed margins, simultaneously with printing of the bar code pattern formed with the combination of wide lines and narrow lines having been standardized previously. Even if wrinkles on a thermal transcription ink ribbon occur in the vicinity of symbol guards provided on both sides of the bar code pattern, the wrinkles do not occur in the bar code printing region. It is therefore possible to perform high quality bar code printing with the bar code printer according to the present invention.

Abstract: According to the present invention, a plurality of cores with electromagnetic coils wound thereon are arranged annularly on one side of a polygonal plate-like yoke; a plurality of armatures with needles connected thereto are opposed to end faces of the cores; there is provided a polygonal, side magnetic path plate which has side magnetic paths each positioned between adjacent such armatures and which holds the armatures so as to permit the armatures to rise and fall; support rod portions coupled magnetically to the corners of the side magnetic path plate are formed on the yoke; and magnetic flux is passed through the support rod portions and the corners of the side magnetic path plate.

Abstract: A magnetic leakage transformer includes a paired cores each having five straight legs extending in the same direction from a common back beam, and associated with each other so that the leg's ends are opposed to each other with magnetic gaps between the paired central legs and between the two paired magnetic leakage flux legs neighboring at the both sides of the central legs. The opposed two paired five legs produces a paired inner passages into which a first winding unit is inserted and a paired outer passages into which a second one is inserted.

Abstract: An image forming method which includes the steps of providing a developing agent holder for holding one component developing agent layer arranged to contact a latent image holder, developing a latent image on the latent image holder and to simultaneously clean up the developing agent adhering to the surface a non-latent image area on the latent image holder, wherein the cleaning up is carried out under the condition expressed by the following formula:0.5.ltoreq.(Vd/Vp).multidot.m.ltoreq.3.0wherein ghe moving speed of the developing agent holder is defined as Vd, the moving speed of the surface of the latent image holder is defined as Vp and the developing agent adhering density is defined as m (mg/cm.sup.2), and the amount of the remaining toner after transferring that remains on the latent image phase of the latent image holder is set less than 0.35 mg/cm.sup.2.

Abstract: A drive apparatus includes a commutator motor having a hollow rotation shaft with an internally threaded section provided therein and a flexible power transmission cable inserted through the hollow rotation shaft such that a spiral thread-like rib of the cable engages with the internally threaded section of the hollow rotation shaft, whereby a propulsive force is transmitted to the cable to allow a window glass to be moved in a reciprocating motion. A guide roller with an intermediate section of the cable wrapped therearound is rotatably supported on a guide base to allow the passage of the cable. A curved guide section is provided relative to the guide roller to define a curved cable passage channel in a manner to cover a wrapped cable portion. The guide roller is rotated by the commutator motor through the cable, while the intermediate portion of the cable is pressed onto the guide roller.

Abstract: A printing apparatus comprises a printer body having an opening on the top side thereof, and a platen for feeding a paper sheet supported by a paper holder disposed in the printer body. The platen is provided in the body to face the opening. A head unit includes a housing having an opening on the bottom side thereof and a print head disposed in the housing to face the opening thereof. The head unit is moveable between an operative position, in which the head unit is located on the printer body so that the opening of the housing and the print head face the opening of the printer body and the platen, respectively, whereby the paper sheet between the platen and the print head is allowed to be ready for printing, and an open position in which the head unit is off the printer body so that the whole opening of the printer body is exposed.

Abstract: A commodity data reading apparatus comprises a commodity receiving base having a placing surface. A support post projects upwardly relative to the placing surface of the base. A bar code reader having two laser beam scanners is mounted in the post to arrange the two scanners at two positions on the post, which are vertically spaced from each other.

Abstract: An equipment supporting device including a supporting member for rotatably supporting an equipment on its opposite sides through a horizontal pivotal axis; a pair of engaging shafts displaceably mounted directly or indirectly on the opposite sides of the equipment and normally biased outwardly; an operating portion mounted on the equipment and connected to the engaging shafts; a pair of small-diameter portions having a diameter smaller than that of the engaging shafts and extending outwardly from outer ends of the engaging shafts; a pair of guide grooves formed through opposite side portions of the supporting member for retaining the small-diameter portions in such a manner that the small-diameter portions can be moved in a direction perpendicular to an axis thereof; a plurality of engaging recesses formed on opposite side edges of each of the guide grooves and arranged at given intervals, a couple of the engaging recesses being engaged with an outer circumference of each of the engaging shafts; and a pair of

Abstract: An electronic apparatus includes a program memory having a parallel transfer program and a serial transfer program, a connector on the electronic apparatus to which a parallel transfer interface or a serial transfer interface is detachably connected, and a judging unit for judging the kind of the printer interface connected to the connector. A program suitable for the kind of the printer interface judged by the judge unit is called from the program memory by means of a program selecting unit. This enables the electronic apparatus to be connected for use with a parallel transfer printer and a serial transfer printer.

Abstract: The present invention provides a paper holding device for a printer which includes a supply arm mounted for pivotal motion on a housing on which a printing station is held. The supply arm holds a supply shaft thereon such that at least the supply shaft may be positioned outwardly of the housing so that paper in the form of a roll having such a large diameter that it cannot otherwise be accommodated in the housing can be used on the printer.