Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7320852 | Carrier for developer for developing electrostatic latent image, developer using same and image forming method using same A carrier for use with a toner as a two-component type developer for developing an electrostatic image, comprising spherical magnetic core particles, and a resin layer covering each of said core particles and containing at least two resistance controlling materials ... | 01/22/2008 |
| 6970671 | Image forming apparatus An image forming apparatus has a plurality of developing devices for developing an electrostatic image formed on an image bearing member, and a rotary member holding the plurality of developing devices and rotated in a route including a developing position, the rota... | 11/29/2005 |
| 6947689 | Image forming apparatus An image forming apparatus has a plurality of developing devices for developing an electrostatic image formed on an image bearing member, a rotary member holding the plurality of developing devices and rotated in a route including a developing position, the rotary m... | 09/20/2005 |
| 6941098 | Classifier, developer, and image forming apparatus A classifier having a simple constitution for classifying powder with a high accuracy is provided. The classifier is provided with a transfer board having a plurality of electrodes for generating electric fields for transferring and hopping the powder by an electros... | 09/06/2005 |
| 6780558 | Image forming method An electrophotographic image forming method is disclosed. The method comprises developing latent images each formed on a static latent image forming member by serially arranged plural image forming units each including a toner to form toner images, respectively, suc... | 08/24/2004 |
| 4361109 | Developer crossmixing apparatus A crossmixing device for ensuring adequate mixing of a developer in an electrostatic printing machine. A screw conveyor is utilized having a left-hand thread on one portion thereof and a right-hand thread on another portion thereof, to move developer mate... | 11/30/1982 |
| 4195591 | Cascade assembly and method Substantially uniform distribution of developer in a cascade assembly for xerographic reproduction apparatus is effected as the developer slides down an inclined cascade baffle onto which the developer is dumped by a succession of buckets which elevate th... | 04/01/1980 |
| 4155652 | Developer sensing system and control A system is disclosed which will sense the image-development state of toner in the development subsystem of an electrophotographic copier apparatus. This image-development state is related to both toner concentration and the charge-to-mass ratio (q/m) exi... | 05/22/1979 |
| 3999512 | Electrostatic development system with passive storage capacity The developer storage capacity of a development system for an electrostatic processor is increased by adding a passive reservoir to supplement the system pump. Provision is made for maintaining a more or less continuous flow of developer into and out of t... | 12/28/1976 |
| 3995589 | Developing device for electrophotographic copying machines A developing device for electrophotographic copying machines using a powder developer avoids the problems associated with a flap-controlled distribution aperture in a hopper holding powder for transfer to an image transfer drum by using a sliding plate-ty... | 12/07/1976 |
| 3948493 | Process for conveying a developer mixture A process for mixing enriched dry developer with depleted dry developer in an electrophotographic copying system which includes the steps of conveying a dry developer mixture from a reservoir to a developing station, returning a substantial portion of the... | 04/06/1976 |
| 3948218 | Electrostatic copier device In an electrostatic copier using a particulate developer mix the invention provides a source of the mix, a supply ramp having an inlet end located higher than the source, and a conveyor for conveying the developer mix from the source to the inlet end of t... | 04/06/1976 |
