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7421223 Printing system  
In an implementation of a printing system, an electrophotographic imaging plate electrostatically attracts a first concentration of an ink having a particular color. A developer unit is biased with...
7158737 Carriage structure for image-reading device  
A carriage structure is disclosed for an image-reading device that acquires image data from a document while an optical unit is moved along the document. The carriage structure is formed of molded...
6892043 Method and device for pacing an image reader at a constant scanning speed  
Speed fluctuations at a motor supplied with a two-phase current is reduced by changing the current value ratio at each phase in the drive current to feed a drive motor for an image reader to allow...
6337751 Sheet feeding apparatus and image processing apparatus  
A sheet feeding apparatus for feeding sheets separately from a sheet bundle has a sheet supporting mechanism for supporting sheets feeding rotary unit for feeding the sheets pushing device for...
5875376 Carriage positioning structure for a scanner  
A carriage positioning structure includes a carriage pivoted to a longitudinal guide rod and reciprocated along a longitudinal sliding rail inside a scanner between a bottom shell and a flat glass...
5839036 Multispeed drive mechanism  
The multispeed drive mechanism is a clutchless drive mechanism including a rotatable input shaft and a plurality of input gears of different diameters mounted on the input shaft. A plurality of...
5742407 Arrangement for supporting a drawer in a drawer feed scanner  
A supporting arrangement for constraining unwanted motions of an original that is being supported for movement through a scanner includes a tray for transporting the original past an image scanning...
5628575 Automatic paper feeder and frame structure of document input device  
An automatic paper feeder of a document input device includes a pick roller 20, separator pads 68 that come into contact with the pick roller 20, a first pair of pick springs 58, and a second pick...
5604570 Electrophotographic printer with apparatus for moving a flexible photoconductor into engagement with a developer module  
A latent image is developed in the photoconductor surface of a moving belt by displacing the belt from its path of movement toward an adjacent stationary electrophotographic developer as the latent...
5467111 Transporting apparatus for scanning exposure  
The improved transporting apparatus for scanning exposure of a recording material as it is fixed on an exposure mount which is moved by means of a screw transmission mechanism is characterized in...
5404206 Image scanning mechanism using direct drive mechanism  
A direct driving mechanism moves, in a direct drive manner, at least one of a sheet, on which an original image to be read is realized, and an image reading system for reading the original image so...
5283614 Optical system moving frame unit for use in an exposure device of an optical system movement type  
An optical system moving frame unit to be used in an optical system movement type exposure device, which is cast into a rectangular frame reinforced with reinforcing ribs and thin planar members....
5267002 Document platen driving device  
A document platen driving device is provided with an endless gear connected to a document platen, whereon a document is placed, which reciprocates. A sun gear is secured to a fixed station within a...
5233389 Driving device for a document platen and copying machine incorporating a movable document platen  
A document platen on which a document is placed is movably installed on the main body of a copying machine. A motor for producing a driving force is provided. An input gear to which the driving...
5227846 Scanning exposure device  
A scanner having a carriage (13) with a glass plate (52) for supporting an original document to be scanned while moving past an exposure opening, in which the glass plate is vertically displaceable...
5113224 Reciprocating driving device  
A reciprocating driving device is provided with a reciprocating moving member supported to be movable in a predetermined direction and the reverse direction. A first rack is provided on the...
4920379 Image forming apparatus with a common power source for various chargers and a simplified arrangement for subjecting the photosensitive drum to blank exposure  
An image forming apparatus with a main body composed of a light source, a photoreceptor, charging device for electrostatically a charging the surface of the photoreceptor, a developing device for...
4914525 Image processing machine  
An image processing machine functions both as a facsimile machine and as an ordinary copying machine. The image processing machine is provided with a document scanning system and image-forming...
4891665 Forward and reverse rotation mechanism  
The forward and reverse rotation mechanism of the present invention has a drive source rotatable in one direction, a first spring clutch for moving a forwardly and reversely moving member in a...
4884108 Mechanism for reciprocating an original table of a copying apparatus  
A mechanism for reciprocating an original table of a copying apparatus, comprising a driving means for reciprocating the original table, and two clutch means for transmitting a driving force to...
4875075 Image reading device and image forming apparatus having same  
An image forming apparatus for forming an image of an original using an optical image of the original has: a first assembly; a second assembly cooperable with the first assembly the second assembly...
4857956 Copier with reciprocating document table  
A compact image reading apparatus such as a copier has a document table which can move reciprocatingly with respect to the top surface of its housing. A spiral spring is attached to the document...
4812875 Electrophotographic copying machine having an editorial function  
An electrophotographic copying machine having an editorial function includes a switch for setting "moving" mode. On the other hand, position whereto an original image should be moved and reproduced...
4682884 Mechanism for adjusting the starting position of sliding table of an electrophotographic copying machine  
This invention relates to an electrophotographic copying machine of a type having a table which moves along a given direction and a source unit of a unitized structure which includes a lamp and a...
4666286 Apparatus for scanning an original  
An apparatus for scanning an original comprises an original table for receiving an original, the table having protrusions on its underside corresponding to a home position (HP), a starting position...
4648706 Image reproduction apparatus  
The image reproduction apparatus of the present invention can make a copy of images written or drawn on a board as well as a copy of images of an original provided on an original table. The image...
4647183 Document-conveying copying machine  
A draft-transfer format for an electronic photocopying machine that reciprocates a draft-setter holding a draft sheet at a designated position and projects a picture of the draft document onto a...
4618242 Heat fixing device for a copying machine  
A heat fixing device comprises a fixing member for fixing particles onto a base material by heating, a detector for detecting environmental conditions surrounding and/or applied to the fixing...
4607836 Copying machine  
A copying machine of reproducing the images in the original on a sheet, the copying machine comprising a motor for driving an endless belt running on a plurality of pulleys; an original carrier...
4596456 Copying apparatus with a movably mounted original table  
In a copying apparatus, an original image signal is obtained by optically scanning an original surface using an original rest slidably mounted on a housing. The copying apparatus has a construction...
4571063 Recording apparatus  
A recording apparatus has a movable member for exposing an original to light and for scanning the original; and a power transmission device for reciprocally moving the movable member. The power...
4551014 Original carrier for use with an image forming device  
In the original carrier according to the present invention, two spaced supporters are fixed to the glass plate along one of its sides for supporting and reinforcing the glass and the cover. Guide...
4523831 Copying apparatus with openable upper housing  
A copying apparatus comprises a document table disposed on the top of a housing and having a glass platen on which an original document is to be laid, the glass platen being movable between a first...
4490035 Abnormality detecting device for the original carriage of a copying machine  
An abnormality detecting device for a copying machine of a type having a scanner for scanning an original to be copied comprises a timer or counter for counting the time required for the scanner to...
4474452 Safety device for cam yoke used in electrophotocopier reciprocating carriage  
In an electrophotocopying machine having a reciprocating carriage driven by a constant speed chain having a drive pin coupled thereto. The machine includes a camming yoke fixedly connected to the...
4452530 Copying apparatus equipped with an original-support device, and an original-holding mechanism therefor  
A copying apparatus of the type in which an original-support device is mounted reciprocably on a housing through a sliding mechanism. The sliding mechanism is comprised of an outside rail fixed to...
4431299 Projection apparatus  
A projection apparatus for forming an image of original on a photosensitive material opposed to the plane of the original. The projection apparatus has a projecting system composed of a plurality...
4427909 Placing stand driving device having flywheel effect in only one direction  
A placing stand for use with a microfilm copying device or the like is driven by means of a step motor connected to the stand by wires or the like. A flywheel is coupled to the shaft of the step...
4348106 Guide apparatus for movable contact glass in electrophotographic copying machines  
A guide apparatus for guiding a movable contact glass, which serves as an original table in an electrophotographic copying machine, to a predetermined exposure position for slit exposure, without...
4340297 Device for driving copy board of a copying machine  
A device for driving the copy board of a copying machine comprising a driving member adapted to perform a reciprocating movement during the copying operation, a copy board engaged with the driving...
4330201 Scanner drive clutch  
A forward and reverse chain drive systems for a scanner has a one-way clutch mounted on the drive shaft for the scanner cable pulley. The clutch has a sprocket wheel linked by a chain drive to a...
4319835 Copying machine with original carriage moving device  
In a copying machine having a movable carriage 5 for carrying the original, the correct velocity ratio between the carriage and the drive shaft 18 which advances the photosensitive sheet 21 (or...
4315683 Cam yoke for electrophotocopier reciprocating carriage  
An improvement in an electrophotocopying machine having a reciprocating carriage driven by a constant speed chain having a drive pin coupled thereto. The improvement comprises a camming yoke...
4302095 Clutch for electrophotocopier reciprocating carriage  
Apparatus in an electrophotocopying machine having a reciprocating carriage moved by an endless drive member for reversing the direction of the carriage output drive member without reversing the...
4299473 Electrophotographic copying machine using a thick sheet of small size as a transfer sheet  
An electrophotographic copying machine in which a thick sheet of small size such as a postcard is used as a transfer sheet. Transfer sheets stored in a tray are fed one after another as the copying...
4297023 Electrophotographic copying apparatus  
An electrophotographic copying apparatus having a copy board operatively movable along a path is provided with apparatus for releasably coupling the copy board to driving elements therefor...
4268164 Composite information recording apparatus and original position designating mechanism therefor  
An apparatus for the recording of composite information from an original to be photocopied and a source of external information includes a position designating mechanism for indicating and...
4268159 Electrographic copying apparatus  
A scanner scans a document to produce the document information. A memory stores the document information of many documents and their associated retrieval code data. By specifying the retrieval code...
4197003 Switch device in electrostatic photographic copying machine  
A switch device for an electrostatic photographic copying machine having a reciprocally movable member reciprocating from a rest position and returning thereto during each copying operation of the...
4192608 Copying apparatus  
A copying apparatus capable of copying sheet originals and thick originals comprises sheet original transport means for transporting a sheet original, thick original carrier means for carrying...
Matches 1 - 50 out of 84 1 2 >