| Patent Number |
Title Of Patent |
Date Issued |
| 5300980 |
Control apparatus of copying machine with improved communication function for centralized contro |
April 5, 1994 |
| A control apparatus according to the present invention is a control apparatus collecting data related to copying machines and communicating with a centralized control unit on the basis of the data collected, including a communication device for calling the centralized control unit, a |
| 5257069 |
Copying machine control system controlling a plurality of copying machines through communication |
October 26, 1993 |
| A method of controlling a plurality of copying machines through a communication network in accordance with the present invention receives data from a copying machine, detects the state of trouble occurrence as to a particular portion of the copying machine based on the data from the |
| 4786942 |
Image forming apparatus |
November 22, 1988 |
| An electrostatic latent image formed on a surface of a photoconductor drum 61 of a copying apparatus is caused to be visible by a developing device 4. The developing device 4 comprises a toner tank 43 and a toner supply roller 44 for supplying toner to a developer container 45. A toner d |
| 4556779 |
Temperature control arrangement for heat roller |
December 3, 1985 |
| A temperature control arrangement for a heat roller, which includes an infrared sensor unit disposed in the vicinity of the heat roller and including a pyroelectric infrared sensor, a chopper mechanism and a reference temperature measuring heat sensitive element, a set temperature si |
| 4535463 |
Apparatus for detecting number of remaining sheets |
August 13, 1985 |
| An improved paper feeding device, for example, for a copying machine is provided and is capable of warning a user of the status of available copy paper sheets. A movable support tray can be monitored to provide a measurement of the total initial height of the paper stack and subsequent |
| 4417350 |
Counter control in electrophotographic copier |
November 22, 1983 |
| A counter control device for an electrophotographic copying machine of a type having a preset counter device is selectively operable in one of a multi-copy mode wherein a copying operation is repeated to produce a plurality of copies while copying papers which are to have an image af |
| 4394087 |
Mechanical arrangement for controlling electrophotographic apparatus |
July 19, 1983 |
| An improved mechanical arrangement which includes a controlled device, an operational device for adjusting an active state of the controlled device through external operations and a control device for controlling the active state of the controlled device in response to operations of the |
| 4307957 |
Paper jam detecting device for use in an electrophotographic copying machine |
December 29, 1981 |
| This invention is directed to a paper jam detecting device for use in an electrophotographic copying machine which comprises a plurality of paper detector located along the passage of the copy paper transported during copying process, first timer adapted to count the first period of time |
| 4280763 |
Sequential control circuit means |
July 28, 1981 |
| Sequential control circuit for sequentially controlling the operation of mechanical equipment, for example, an electrophotographic copying apparatus including various devices having respective smaller devices is characterized in that a first train of clock pulses having a fixed prede |
| 4265440 |
Computer-controlled paper feeder |
May 5, 1981 |
| A computer-controlled paper feeder comprises at least first and second supply units from which respective recording materials are supplied one at a time towards a processing station. There is provided a size detector for detecting the size of the recording material contained in respectiv |
| 4260904 |
Power feed control device for copying apparatus |
April 7, 1981 |
| A power feed control device for copying apparatus which merely requires closing of door or cover to set the apparatus to a power feedable condition after removal of jammed copying paper is disclosed. The device comprises a change-over switch responsive to opening and closing of the d |
| 4211482 |
Electrophotographic copying apparatus equipped with scanning system control device |
July 8, 1980 |
| A copying apparatus which is equipped with a scanning system control device including means for judging sizes of copy paper sheets employed, means for detecting copying magnifications, and means for controlling movement of the scanning system of the copying apparatus so as to correspond |