|
Match
|
Document |
Document Title |
|
|
5899599 |
Fixing device and fixing method
A fixing device capable of producing fixed images of excellent quality by using a thin-layer rotating heating member and a heating element capable of rapidly and directly heating a rotating heating...
|
|
|
5890032 |
Belt fusing accessory with selectable fused image gloss
A belt fusing accessory, for a reproduction apparatus, the belt fusing accessory providing selectable image gloss. The belt fusing accessory, as disclosed, includes a heated fuser roller and a...
|
|
|
5890031 |
Safety device for a toner image fixing device
Energy saving in a fixing unit having a low heat capacity is achieved by reducing a loss of heat transferring from a temperature sensing element to temperature sensing unit and by improving...
|
|
|
5887220 |
Electrophotographic printer sensing ambient conditions without sensors
When an electrophotographic printer is manufactured, the initial electrical resistance of its transfer roller is measured and a corresponding value is stored in a memory device in the printer....
|
|
|
5881335 |
Gradational power saving technique for electrophotographic image forming apparatus
An electrophotographic image forming apparatus employs a gradational power saving mode for reducing power consumption step by step with the passage of a print-waiting time. The apparatus raises a...
|
|
|
RE36124 |
Fixing apparatus
A fixing apparatus for fixing an image on a record sheet . .comprises.!. includes a fixing roller in which a heater is disposed, a pressing roller urged against the fixing roller, heat pipes...
|
|
|
5875373 |
Image fixing device having means for controlling conveyance a transfer medium
An image fixing device for heating and fixing an unfixed image on a recording medium has a heater, a measuring device for measuring the electrical energization time of the heater per unit time, and...
|
|
|
5872350 |
Paper fire Preventer
A Nip Forming Fuser Roll (NFFR) fuser. The fuser is constructed to be self-stripping, that is, the roll contacted by the substrate carrying the toner images is fabricated from a relatively thick...
|
|
|
5869809 |
Non-drooping NFFR fuser
A NFFR is disclosed which does not exhibit the phenomena of droop which can occur when the fuser switches from a standby to a run mode of operation. The elimination of droop is effected using an...
|
|
|
5862436 |
Fixing apparatus and method for electrophotographic apparatus including temperature detecting mechanism for heat roller
A a fixing apparatus for an electrophotographic apparatus includes a heat roller (11a) having a heater (14) therein and a pressure roller (11b) urged against the heat roller, wherein a recording...
|
|
|
5854959 |
Adaptive fuser control for 180 CPM
Image fix level and Input Output Terminal (IOT) faults are minimized. The foregoing are effected by reducing fuser roll temperature sag or droop which can be a problem during the initial portion of...
|
|
|
5847361 |
Belt fixing system and method therefor
A belt fixing system includes a rotatably supported belt, a heating member for heating the belt, a pressure member which contacts with a circumference of the belt to form a nipping region therewith...
|
|
|
5839023 |
Fixing apparatus and control method thereof
A fixing apparatus which is equipped with a heat roller that has a resistance heating member generating heat by means of current supply and which is constructed such that current is supplied to the...
|
|
|
5839038 |
Electrophotographic printer for reel paper having a thermal print fixing station
An electrophotographic printer has an electro-thermally operating fixing station (23) with a heated fixing roller (86) and a feed roller (87) which can be pivoted on and away. With the aid of an...
|
|
|
5838590 |
Information processing apparatus
This specification discloses an information processing apparatus in which the temperature of the atmosphere in the apparatus is detected by system temperature detecting means, the temperature of an...
|
|
|
5832332 |
Fixing unit for toner-based image recording apparatus
In an apparatus for forming an image using a toner, a toner temperature is maintained below a protective temperature even in a high temperature environment, thereby preventing frequent operational...
|
|
|
5832330 |
Method and apparatus for controlling a temperature of a fixing roller in a printing/copying device
In a fixing system used to an electrophotographic recording apparatus, when a fixing roller is heated to a temperature above a preset fixing temperature by a heater and then a thermistor senses...
|
|
|
5826128 |
Apparatus for processing photosensitive material
A processing apparatus including a drying part provided with at least a drying fan and a drying heater to automatically develop a photosensitive material wherein the drying part further includes a...
|
|
|
RE35923 |
Fixing device, fixing method, and recording apparatus
A fixing device for fixing the toner on the recording medium comprising a pair of fixing rollers which face each other and rotate in opposite direction to form a nipping and fusing section for...
|
|
|
5819136 |
Temperature control for a fixing device
A control operation for a fixing device which may find application in an image forming apparatus such as a printer, facsimile, or copier machine, etc. The fixing device controls a temperature of a...
|
|
|
5819134 |
Fixing apparatus having a temperature control system for a plurality of heaters
The present invention provides an image heating apparatus comprising a first heater, a second heater having a heat generating distribution different from that of the first heater, a heated member...
|
|
|
5812906 |
Fuser having thermoelectric temperature control
A fuser for fixing toner, for example, toner images, includes thermoelectric control devices for controlling temperature. Preferably, the thermoelectric control devices are used to heat the toner...
|
|
|
5809367 |
Method of automatically controlling transfer voltage and fusing temperature in an electrophotographic printing apparatus
A method of automatically controlling an electrophotographic printing apparatus' transfer voltage and fusing temperature according to the type of paper by an automatic mode change during manual...
|
|
|
5802421 |
Heating and fixing device with AC zero-cross detection circuit
A heating and fixing device includes a heater for generating heat upon electric power supply thereto; a zero-cross detection device for detecting a zero-cross point of AC power supplied to the...
|
|
|
5801360 |
Image fixing apparatus
A fixing apparatus includes a heat generating element for generating heat upon electric power supply thereto; a temperature detecting element a for detecting a temperature or the heat generating...
|
|
|
5794096 |
Induction type heat fixing device
The present invention relates to an induction type heat fixing device. In the induction type fixing device, a high frequency current is supplied to a coil by switching an electric current supply to...
|
|
|
5790919 |
Method for controlling temperature of heater of image processing apparatus in accordance with consecutive image forming operations
A method for controlling a temperature of a heating device in an image processing apparatus includes the steps of: setting the temperature of the heating device to a first temperature corresponding...
|
|
|
5787319 |
Fixing unit for use in image forming apparatus
The invention provides a fixing device in which a temperature fuse melts quickly when a heat roller becomes overheated. The heat roller, to which pressure is applied by a pressure roller placed in...
|
|
|
5787321 |
Temperature controlling device for fixing unit
A temperature controlling device for an electrophotographic imaging device which has a fixing unit including a heat roller, the fixing unit performing a fixing operation in which toner is fixed on...
|
|
|
5774763 |
Energy efficient fixing device having a fast response
In an image forming apparatus, a fixing device has a structure in which a film formed on an outer face of a hollow cylinder is heated by a heat ray of a heater. In this structure, the heating...
|
|
|
5768654 |
Image forming apparatus with fixing temperature control
An image forming apparatus has a fixing device for fixing an image formed on a recording medium, a device for detecting an operating environment of the image forming apparatus, a selecting device...
|
|
|
5768655 |
Image forming apparatus and control method thereof
An image forming apparatus having a first mode for image forming at a first recorded pixel density and a second mode for image forming at a second recorded pixel density that is higher than that in...
|
|
|
5765075 |
Temperature sensor and method and apparatus for using the temperature sensor and fixing apparatus in combination with a temperature sensor
A temperature sensor which contacts with a curved-surface body to be measured to sense a temperature thereof is provided with a support member having a bow-shaped surface; a thin film strung and...
|
|
|
5754917 |
High temperature safety system for a fusing subsystem module for an electrophotographic printer
A customer-replaceable module having a fusing subsystem therein for a electrophotographic printer or copier includes three separate devices for detecting potentially dangerous temperature...
|
|
|
5745247 |
Image forming apparatus having a controlled fixing unit
An image forming apparatus for reading a document image, digitizing the resulting image data, and then forming an image on the basis of the digitized image data. The apparatus is selectively...
|
|
|
5742870 |
Method for regulating temperature of a fixing unit in an electrophotographic system
A method for regulating a temperature of a fixing unit in an electrophotographic system contemplates the steps of preheating the fixing unit in response to application of electrical power to the...
|
|
|
5742865 |
Apparatus for controlling temperature of fixing device by increasing the temperature for each sheet of a continuous fixing operation
An apparatus controls a temperature of a heat roller for fixing a developer material transferred on a print medium such as paper. The apparatus includes a controller, a sensor for detecting the...
|
|
|
5735604 |
Temperature sensor and temperature measuring system using the temperature sensor
The invention relates to a sensor unit and a temperature measuring system that includes the sensor unit for the contactless determination of the object temperature (T v ) of at least a part of an...
|
|
|
5737664 |
Overheating prevention device for a fixing unit
When the surface temperature of a heating roller exceeds a predetermined temperature, bearings that rotatably support the heating roller melt. Thus, a pressuring roller causes the heating roller to...
|
|
|
5724630 |
Image forming apparatus with standby temperature control of thermal fixing
An image-forming apparatus which controls the temperature of the contained thermal fixing device on standby, based on the image formation history information on times of past image formations,...
|
|
|
5724628 |
Fixing device with endless belt and plural heaters
A fixing device includes a rotatably supported endless belt and a nip forming member arranged outside the belt in circumferential contact therewith to form a nipping region. Heat generators are...
|
|
|
5724638 |
Fixing device for image forming apparatus
A fixing device for an image forming apparatus having low heat losses. The fixing device consists of a fixing roller and a compression roller for abutting upon it under pressure. The fixing roller...
|
|
|
5708920 |
Toner-image fixing device with roller-temperature limitation
A toner image fixing device realizes a stabilized fixing process by smoothly controlling a surface temperature of its heating roller, preventing peeling-off of a layer of the roller core. The toner...
|
|
|
5701555 |
Serial electrophotography apparatus and fixing temperature control method
A conveying unit conveys a recording sheet. A carriage comprises a process unit for forming a latent image and developing it so as to produce a developed image on an image carrier having a rotation...
|
|
|
5701554 |
Fixing apparatus having controller for setting a target temperature and for estimating the amount of heat transferred to a pressure roller
A fixing apparatus including a heating member and a pressurizing member that are in contact with each other under pressure to define a nip through which a sheet carrying an unfixed toner image is...
|
|
|
5697016 |
Image forming apparatus operable in horizontal and vertical installations
Disclosed is an image forming apparatus for forming a toner image on a sheet both in a horizonal installation and in a vertical installation of the apparatus. The image forming apparatus is...
|
|
|
5694226 |
Facsimile apparatus
A facsimile apparatus which includes a heater for fixing an image on a recording member and a heater control unit for controlling the heater. A timer is provided for outputting a time and a time...
|
|
|
5682576 |
Fixing device
In a fixing device used in an image forming apparatus, temperature changes in a heating member are reduced by gradually reducing a power supply duty ratio while the heating member is subjected to...
|
|
|
5666593 |
Resistance Temperature Detector (RTD) sensor for a heat and pressure fuser
A temperature sensor for use in connection with a heat and pressure roll fuser which minimizes the problem of gloss variation due to fuser roll wear caused by sensor contact with the fuser roll...
|
|
|
5659844 |
Fixing device for thermally fixing toner onto a paper sheet and having a controller for controlling the amount of heat received by the paper sheet
A fixing device which changes the amount of heat received by a recording paper in accordance with a portion of the recording paper with respect to a paper transporting direction. The fixing device...
|