摘要:
A thermal toner image fixing device thermally fuses and fixes a toner image to a sheet of paper. The thermal toner image fixing device has a sensor for detecting the surface reflectance of the sheet, a sensor for detecting the electric resistance of the sheet, and a sensor for detecting the ambient temperature. A temperature threshold level for a thermal fixing roller of the thermal toner image fixing device is determined according to fuzzy logic operations based on the detected surface temperature, the detected resistance, and the detected ambient temperature, and also control rules stored in a memory.
摘要:
Disclosed is an active carbon for deodorization, which comprises a deodorizing functional group fixed to a graphitic six-membered ring on the surface of the active carbon, through a silanol bond.
摘要:
A solid-state laser oscillator has a semiconductor laser for biasing a solid-state laser to a threshold value or more and a semiconductor laser for pulse-pumping the solid-state laser. A pulse pump light having a pulse width which is equal to a cycle of relaxation oscillation or more is fed to the solid-state laser through the semiconductor laser for pulse pump thereby to suppress remarkably a relaxation oscillation.
摘要:
An image recording apparatus capable of providing an intended numbers of output copies regardless of the mask member feed mode. A set of the mask members are automatically fed from a laser printer to a color copying portion after the set is produced at the laser printer. Further, another set of mask members already on hand can also be set on a mask member tray, and the another set can be delivered to the color copying portion. The mask members are normally printed with bar codes indicative of the numbers of the output copies. The bar codes can be invalidated in case of the mask feed mode from the tray, and newly input numbers of copies are obtainable in the mask feed mode from the tray.
摘要:
An image forming apparatus for forming an image on a photosensitive recording medium by exposing light by way of one of plural mask members which are selectively and consecutively placed on an exposure position. The apparatus includes a plurality of holding or retention positions linearly connected to the exposure position to which the mask members are selectively displaced. A transport device transports the mask members from the exposure position to the holding positions and vice versa.
摘要:
An image input device for inputting a light image of an object with the use of a filter unit having at least two color filters for receiving the light image and separating the light image into the color light components corresponding to the color filter elements. The light image passed through the filter is applied to a charge coupled device for converting the light image to an electrical signal. In order to increase the speed for reading the image of the object, according to one aspect of the invention, there is provided an image input device which includes a Hall IC for detecting a position of each of the color filter elements and outputting a position signal representative of the position of each of the color filter elements, a driver for rotating the filter unit so that the color filter elements selectively receive the light image, phase comparator for comparing the phase of the position signal with that of a vertical sync signal and outputting a comparison signal, and a controller responsive to the comparison signal for controlling the filter driver so that the position signal and the vertical sync signal are in synchronism with each other.
摘要:
An image recording apparatus has a photochromic photosensitive member with a light transmittance that is variable dependent on the light applied to it from an original that has been illuminated by a first light source. A second light source, which emits a light that the photochromic photosensitive member is insensitive to, is then used to form an electrostatic latent image on an uniformly charged photosensitive sheet with the photosensitive sheet being carried on the surface of a transfer drum past one or more developing devices in order to make the electrostatic latent image on the photosensitive sheet a visible image. A mask member film may alternatively be used between an exposure light source and the photosensitive sheet.
摘要:
An optically pumped solid-state laser oscillating device which includes an optical resonator for outputting a laser beam of a predetermined wavelength. The optical resonator has a predetermined optical absorption band and is excited in response to a semiconductor laser beam having a wavelength falling within the optical absorption band. A plurality of excitation light sources are provided for emitting a plurality of semiconductor laser beams having different wavelengths and applying those laser beams to the optical resonator. At least one of the plurality of the semiconductor laser beams has a wavelength falling within the predetermined optical absorption band regardless of the change of an ambient temperature. Hence, a stable laser output is obtainable regardless of the change of the ambient temperature without need for employment of a complicated temperature controlling mechanism.
摘要:
A semiconductor integrated circuit includes an input buffer circuit, a decoder circuit and a plurality of memory cells. Each of the input buffer circuit and the decoder circuit consists of a combination of bipolar transistors and MOS transistors. In this combination various measures are taken to increase the operation speed and to reduce the electric power consumption. In an example thereof the data line load for the memory cells is constituted by Schottky barrier type diodes. In another example the load used for the respective emitter follower transistors is constituted by an MOS transistor operating as a variable resistance. In still another example, in a CMOS NOR ciruit of the decoder circuit the number of P channel MOS transistors are fewer than the number of N channel MOS transistors.
摘要:
A semiconductor integrated circuit includes an input buffer circuit, a decoder circuit and a plurality of memory cells. Each of the input buffer circuit and the decoder circuit consists of a combination of bipolar transistors and MOS transistors. In this combination various measures are taken to increase the operation speed and to reduce the electric power consumption. In an example thereof the data line load for the memory cells is constituted by Schottky barrier type diodes. In another example the load used for the respective emitter follower transistors is constituted by an MOS transistor operating as a variable resistance.In still another example, in a CMOS NOR circuit of the decoder circuit the number of P channel MOS transistors are fewer than the number of N channel MOS transistors.