Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 5270775 | Recording apparatus managing system A recording apparatus managing system for automatically totalizing and managing the conditions of use of recording apparatuses. When a date of collection of management data is set by a collection-date setting device of a host computer, a determination is ... | 12/14/1993 |
| 5243380 | Board fault isolation technique A technique for providing screen dialog related to communication between predetermined control boards of an image processing machine and in particular to the method of analyzing the communication between the control boards by providing a visual indication... | 09/07/1993 |
| 5223895 | Image forming apparatus having message output function Various maintenance manuals for an image forming apparatus are stored in a message memory. When a total image forming numbers formed in the apparatus reaches a predetermined count, and after the formation of the all image data which has been supplied from... | 06/29/1993 |
| 5216461 | Control system for copying machine with improved communication function to centralized control unit A copying machine control system according to the present invention is a copying machine control system having a data terminal collecting data related to a copying machine and a centralized control station communicating data with the data terminal through... | 06/01/1993 |
| 5194895 | Printing machine adaptive setup An adaptive setup for a printing machine that stores time and date data for each usage. A pattern of the stored information is determined and processed in conjunction with operator entered restrictions in order to specify machine operating conditions for ... | 03/16/1993 |
| 5146269 | Image forming apparatus having self-diagnostic function A copying apparatus for forming a hard copy image through an electrophotographic process includes an image forming apparatus which can form an image on a recording paper in various density levels, and a diagnostic unit for discriminating the image forming... | 09/08/1992 |
| 5095332 | Data processing apparatus provided in copying machine A data processing apparatus provided in a copying machine is provided for eliminating the need for replacing the data such as adjusting values in case of replacing a memory board in the copying machine. The data processing apparatus provided in a copying ... | 03/10/1992 |
| 5084731 | Sheet decurling mechanism and method An electrostatographic fusing apparatus includes a sheet decurling mechanism that has a curl indicating device and a pair of selectable sheet decurling nips formed by a set of hard rollers and a soft roller. The curl indicating device predicts the degree ... | 01/28/1992 |
| 5077582 | Photocopy monitoring system A system for monitoring a variable output paper processing device is provided. The monitoring system includes a counter which counts the number of papers processed and provides a count signal for each counted paper. A controller receives the count signals... | 12/31/1991 |
| 5057866 | Remotely accessible copier calculator A technique for monitoring machine status conditions and initiating communicating with a remote computer relative to the status conditions of the machine comprising the steps of monitoring with a calculator the predetermined status conditions relative to ... | 10/15/1991 |
| 5053815 | Reproduction apparatus having real time statistical process control Document reproduction apparatus includes a plurality of sensors for acquiring real time diagnostic data. The acquired data is statistically compared to predetermined control limits or reference value(s) to predeict incipient problems before failure occurs... | 10/01/1991 |
| 5027154 | Method of storing and displaying error information in photographic printer In a printer-processor, if an error occurs during execution of a print process, a corresponding error message is displayed in a display unit, and the error message and the time at which the error occurs are stored sequentially in a memory. In response to ... | 06/25/1991 |
| 5012281 | Image forming apparatus having a jam counter adapted to be disabled until a ready for copy state is confirmed An image forming apparatus including a sheet supply assembly capable of successively supplying sheet media, an image producing stage for producing an image on each of the sheet media supplied from a sheet supply, a sheet discharge roller for discharging f... | 04/30/1991 |
| 4952975 | Image forming apparatus capable of accurate troubleshooting An image forming apparatus according to the present invention comprises an image forming part for forming images on recording papers, a trouble detection part for detecting troubles in image forming operation and stopping operation of the image forming pa... | 08/28/1990 |
| 4922294 | Image forming apparatus An image forming apparatus equipped with a sensor for detecting the requirement of replenishment and exchange of expendable supplies, parts and the like and an image forming structure capable of forming on the same sheet of paper a prewarning image in add... | 05/01/1990 |
| 4870459 | Copying machine A copying machine having a premaintenance system for maintaining various parts thereof based upon a value to be set for premaintenance of them which is renewed to that reflecting the number of copies counted from the latest maintenance to the present main... | 09/26/1989 |
| 4851878 | Copy information output device for a copier A copy information output device for a copier for managing a number of modes by use of a RAM (random access memory). A paper sheet on which all the items and all the modes are printed is copied in a given test mode. Modes other than those currently set ar... | 07/25/1989 |
| 4748555 | Control unit for a moving body A control unit for a moving body such as an optical system of a copying machine includes detection means for detecting a moving status of the moving body and control means for controlling the movement of the moving body in accordance with a detection outp... | 05/31/1988 |
| 4739366 | Real time diagnostic system for reprographic machines A reproduction machine for making copies from original documents includes a diagnostic system for examining the operation of the transport devices moving paper sheets through the paper path. Paper path sensors are located along the paper paths for sensing... | 04/19/1988 |
| 4583834 | Copying apparatus A plurality of copying machines (12), (13), (14) are connected to a computer (39). Each copying machine (12), (13), (14) comprises sensor means (16), (17), (18), (19), (21), (22), (23), (24) for sensing various operating parameters thereof such as a total... | 04/22/1986 |
| 4551000 | Process kit and an image forming apparatus using the same A process kit containing consumable members is detachably mountable in the main body of an operating device and includes apparatus for indicating when the useful life of the process kit is about to expire and when it has expired.... | 11/05/1985 |
| 4339657 | Error logging for automatic apparatus Method and apparatus for improved error logging by integrating errors over a given number of operations that provides long memory and fast recovery. Errors integrated over a selected number of associated operations are compared to a criterion. An exceptio... | 07/13/1982 |
| 4322813 | Data log retrieval system A copy production machine, or other semiautomatic operator-involved machine, logs operations data and error data during normal operations into a nonvolatile store. Logging is categorized for facilitating diagnostics and maintenance of the machine. During ... | 03/30/1982 |
| 4133477 | Fault detection and system for electrostatographic machines A xerographic type copying or reproduction machine incorporating a programmable controller to operate the various machine components in an integrated manner to produce copies is disclosed. The controller carries a master program bearing machine operating ... | 01/09/1979 |
| 3936180 | Xerographic apparatus with sample print capabilities A printing system adapted for creating hard copy output from computer generated digital pulses. This system feeds blank or preprinted paper from a paper supply station through a xerographic processor wherein readable computer generated images are created ... | 02/03/1976 |
