Abstract:
A method for manufacturing a biosensor includes forming a laminate of a first silicon oxide film and a polysilicon film on one surface of a silicon substrate; forming a second silicon oxide film on the other surface of the silicon substrate; forming a source electrode, a drain electrode, and a channel on the first silicon oxide film, the channel connecting the source electrode and the drain electrode; and removing the polysilicon film.
Abstract:
An image-forming device has an image-forming unit, a toner density detection unit, a reflective shutter, a storage unit, and a control unit. The image-forming unit forms a toner image on an image-carrying member. The toner density detection unit detects a toner density of the toner image, the toner density detection unit having a light-emitting element for emitting a light beam to the image-carrying member, and a light-receiving element for receiving the light beam to produce an output value based on an intensity of the received light beam. The reflective shutter is provided between the toner density detection unit and the image-carrying member to be movable between a shielding position and a retracted position. The storage unit stores the output value of the toner density detection unit. The control unit calculates a correction value for correcting the output value to control an image-forming unit according to the correction value. The image-forming unit forms a reference toner image on the image-carrying member. The toner density detection unit receives a reflected light beam from the reflective shutter positioned at the shielding position to generate a first output value, the first output value being stored in the storage unit. The toner density detection unit receives another reflected light beam from the reference toner image to generate a second output value when the reflective shutter is positioned at the retracted position, the second output value being stored in the storage unit. The control unit calculates a ratio of the second value and the first value and then calculates the correction value based on the ratio.
Abstract:
In an image forming apparatus, an error detection mark is formed by using an image forming unit on the surface of a carrier along a detection line passing through an exposure position in a carrier moving direction. The error detection mark includes a first mark and a second mark spaced from each other by a fixed distance in the carrier moving direction. The error detection mark is measured by the sensor. A measurement error of the sensor for a registration mark is determined based on the measured values for the first mark and second mark. A registration mark is formed by using the image forming unit on the surface of the carrier on the detection line. The registration mark is measured using the sensor. Offset of an image-forming position is corrected based on the determined measurement error and a measured value for the registration mark.
Abstract:
An image forming apparatus includes: rotators; a drive motor configured to drive the plurality of rotators and including a hall element configured to output a hall signal according to a change of a magnetic field; a counter configured to count the hall signal; an image forming unit forming a color image on a recording medium; and a controller configured to function as: an acquiring unit controlling the image forming unit to form a test pattern on the recording medium, and acquiring correction information based on the formed test pattern; a phase managing unit managing the phases of the rotators based on a count value of the counter from the formation start timing; and a correcting unit correcting the positional deviation based on the phases which are managed by the phase managing unit, and the correction information acquired by the acquiring unit.
Abstract:
A printing apparatus to print an image on a sheet is provided. The printing apparatus includes a photosensitive member, a contiguous member arranged to contact the photosensitive member, and a protection sheet configured to protect the photosensitive member from the contiguous member. The protection sheet is arranged in an intervening position between the photosensitive member and the contiguous member but configured to be removed from the intervening position by a user before using the printing apparatus. The protection sheet interferes with at least one of the user's behavior conducted on the printing apparatus in order to use the printing apparatus and a detecting behavior of a sensor which is arranged in the printing apparatus to detect a condition of the printing apparatus.
Abstract:
A timepiece having a movement, a substantially cylindrical case that houses the movement, a bezel that holds the outside edge part of a crystal and is fastened to the case, and a back cover that is fastened to the opposite side of the case as the side to which the bezel is disposed. The case has a plurality of movement fastening units for fastening the movement by means of screws, a plurality of bezel fastening units for fastening the bezel by means of screws, and a plurality of back cover fastening units for fastening the back cover by means of screws. The screws disposed to the movement fastening units, the bezel fastening units, and the back cover fastening units are substantially aligned with the axial direction of the case. The movement fastening units, the bezel fastening units, and the back cover fastening units are respectively disposed at different positions in the circumferential direction of the case, and are disposed to a fastener reference position substantially similar in shape to the shape of the outside of the movement facing the case.
Abstract:
A light amount measuring device, according to the present invention can include, a light-receiving sensor capable of outputing a voltage corresponding to an amount of incident light, an A/D converting portion capable of converting an input voltage into a digital value, a light amount calculating portion capable of calculating the amount of light incident on the light-receiving sensor on the basis of the digital value obtained by conversion by the A/D converting portion, a resistor connected between the A/D converting portion and the light-receiving sensor, a zener diode has one end connected between the A/D converting portion and the resistor, wherein the zener diode is capable of allowing a breakdown current flow from the one end to another end if an output voltage from the light-receiving sensor is not less than a predetermined value.
Abstract:
A developing cartridge is detachably attached to an electrophotograpy-type image forming apparatus which forms an image on a recording sheet by transferring toner onto the recording sheet. The developing cartridge includes a casing that provides a toner accommodating space for accommodating toner, and an agitator that is rotatably disposed in the casing and agitates toner accommodated in the toner accommodating space. The developing cartridge has a light guiding member that is disposed in the casing go as to be rotatable integrally with the agitator. The light guiding member includes a light entrance portion disposed at a position offset from a rotation shaft of the agitator and allowing entrance of light into the light guiding member, and guides the light entering from the light entrance portion to an outside of the casing.