Abstract: A combination terminal unit includes at least: inputting device for inputting a retrieval item and an option item; line connecting means capable of establishing a line connection to any of a plurality of media; storage device for storing therein a plurality of retrieval information entities; display device for displaying any of the retrieval information entities; and retrieval controller for, if a retrieval item is inputted by the inputting device, reading out retrieval information entities relevant to the retrieval item from the storage device and displaying the information entities thus read out on the display device and, if a particular retrieval information entity is selected from the displayed retrieval information entities by the inputting device, actuating the line connecting means to establish a line connection to a location of the particular retrieval information entity.

Abstract: A combination terminal unit includes at least: inputting device for inputting a retrieval item and an option item; line connecting means capable of establishing a line connection to any of a plurality of media; storage device for storing therein a plurality of retrieval information entities; display device for displaying any of the retrieval information entities; and retrieval controller for, if a retrieval item is inputted by the inputting device, reading out retrieval information entities relevant to the retrieval item from the storage device and displaying the information entities thus read out on the display device and, if a particular retrieval information entity is selected from the displayed retrieval information entities by the inputting device, actuating the line connecting means to establish a line connection to a location of the particular retrieval information entity.

Abstract: A word processing apparatus includes a document data memory, a display, a handwriting input unit for handwriting an edition symbol onto a data portion of the displayed document data, a count unit for counting an address of the handwritten edition symbol in the document data memory, a recognition unit for recognizing the handwritten edition symbol, an edition symbol memory for storing a plurality edition symbols recognized and their addresses, and an edition processor for successively editing a plurality of handwritten data portions in accordance with the recognized edition symbols and their addresses.

Abstract: A data processing apparatus receives key codes corresponding to keys depressed on a plurality of keyboards. These key codes are sequentially stored in a first-in first-out (FIFO) buffer awaiting processing by a central processing unit (CPU). If successive key code entries correspond to an auto repeat key (e.g., a space key, a backspace key, an underline key, a move cursor key, etc.), a determination is made whether the auto repeat key codes are the same. If they are, the CPU processes the subsequent auto repeat key code. If they are different, the CPU ignores that auto repeat key input. In another embodiment of the present invention, one of the keyboards is hardwired to the data processing system while a second keyboard is connected via a wireless link. Auto repeat key codes are only accepted from the first wire-connected keyboard, and any auto repeat key codes from the second wireless keyboard are ignored.

Abstract: In a data processor having a box type unit in which a keyboard and a folding display are incorporated, the data processor includes a main unit which has a receiver for wireless signals on an external side wall close to a supporter for pivotally supporting the folding display, and an auxiliary input apparatus having a case unit and a wireless signal transmitting unit at a corner of said case unit which is opposed to the receiving unit of said main unit when juxtaposed with said keyboard.

Abstract: An electrophotographic image forming apparatus for transferring a visible toner image formed on a photoconductive body onto an intermediate transfer body primarily and transferring the toner image transferred on the intermediate body onto a paper secondarily is disclosed. In the electrophotographic image forming apparatus, the toner remaining on the photoconductive body is removed by a first cleaner blade after the primary transfer, and the toner remaining on the intermediate transfer body is removed by a second cleaner blade after the secondary transfer. A contact pressure of the second cleaner blade to be applied to the intermediate transfer body is set to be larger than a contact pressure of the first cleaner blade to be applied to the photoconductive body.

Abstract: A transfer unit including: a transfer belt onto which toner images are formed; a backup roller on which said transfer belt is applied, the metallic surface of said backup roller being coated with a dielectric film; a metallic transfer roller that is disposed opposite to said backup roller across said transfer belt and to which a predetermined transfer voltage is applied, said transfer roller pressing copy paper against said backup roller with said transfer belt placed therebetween so that said toner images formed on said transfer belt are transferred onto said copy paper to be transported between said transfer roller and said transfer belt; and a back plate that is located in the vicinity of said backup roller and that contacts the back surface of said transfer belt, whereby an electric field for transferring a toner image by a low transfer voltage can be created, thereby preventing the transfer belt from dielectric breakdown.

Abstract: An electrophotographic apparatus having: a developer unit that has a magnetic developing roller for applying toner to electrostatic latent image areas formed on the surface of a photoconductor and that has a shutter which is closed to regulate the distribution of the toner to the photoconductor, a developing bias voltage for controlling adherence of the toner to the photoconductor being applied to said developer unit; and a bias voltage source for applying, when the shutter of the developer unit is closed, a developing bias voltage of the level between 0V and the developing bias voltage applied when the shutter is opened, thereby preventing blank spots from appearing in transferred images without increasing image-overtoning and also preventing damages from being caused to the surface of the fuser rollers of a fuser unit.

Abstract: A copying apparatus having a prescanning function for obtaining density data to adjust copy parameters includes a correction function which eliminates the data obtained from a portion of a predetermined color, from the density data detected on a prescanning process. The density data can be restricted within a predetermined range. The predetermined range can be easily set by the user.

Abstract: A color copier includes an optical sensor unit and analyzes colors of reflected light from an original to be copied by detecting spectroscopic color data of the reflected light. Amounts of toner of different colors for forming a color image are determined according to such detected spectroscopic color data.

Abstract: A color copier operable both in monochromatic and full-color copying modes is controlled by a central processing unit programmed to exercise a real-time control of operation by detecting image characteristics of an original to be copied if a monochromatic copying mode is selected. If a full-color copying mode is selected, the image characteristics are preliminarily detected by scanning before a copying operation is started.