| Patent Number |
Title Of Patent |
Date Issued |
| 6438500 |
Method and device for detecting the absence of a product in a reservoir |
August 20, 2002 |
| Detecting presence or absence of product in a reservoir by transmitting a signal affected by the product. The signal is detected from among other signals with which it is subsequently received by discrimination and delivery of an output signal whose level is set by the discrimination, an |
| 6407557 |
Process for measuring the electrical resistance of a resistive body for example for checking the |
June 18, 2002 |
| Measuring the electrical resistance of a resistive body, in particular a reservoir containing a printing product such as ink. According to the invention, the resistive body is used to define a capacitance arrangement formed from a capacitive branch which includes a capacitor electrically |
| 6361135 |
Method and device for determining the distribution of product present in a reservoir, notably in |
March 26, 2002 |
| In order to determine a distribution of product present in a reservoir (112), particularly a distribution of ink in the reservoir of an image transfer device, a device includes electrodes (121, 122) disposed in contact with the product in the reservoir, a circuit (117) for successive |
| 6352325 |
Device for determining a quantity of consumable product contained in at least one reservoir and |
March 5, 2002 |
| According to the invention, electrical connection members are provided, arranged between the chassis and the carriage carrying capacitor plates corresponding respectively to the reservoirs, in order to put into service each plate corresponding to a reservoir, at a predetermined position |
| 6351716 |
Method and device for determining the quantity of product contained in a reservoir, for example |
February 26, 2002 |
| Determining the quantity of an electrically conductive product contained in a reservoir made of electrically insulating material having at least one storage cavity. A resonant circuit is formed, including a capacitive arrangement formed at least part from the reservoir. A measurement |
| 6345532 |
Method and device for determining the quantity of product present in a reservoir, a product rese |
February 12, 2002 |
| A device determines a quantity of product present in a reservoir, particularly a quantity of ink in the reservoir (112) of an image formation device, such as a printer (10). In a preferred embodiment, the devices includes means (120, 113, 123) of connecting the said product to a pred |
| 6339335 |
Method and device for determining the quantity of product contained in a reservoir, for example |
January 15, 2002 |
| For determining the quantity of an electrically conductive product contained in a reservoir made of electrically insulating material, having at least one storage cavity:a resonant circuit is formed, including a capacitive arrangement comprising at least part of this reservoir;a processin |
| 6325477 |
Method and device for determining the quantity of product present in a reservoir, a product rese |
December 4, 2001 |
| A device and a method for determining the quantity of product present in a reservoir, and more particularly determining with precision when there is a predetermined quantity of product in the reservoir. The invention applies to an ink reservoir in an image formation device, such as a |
| 6318826 |
Device for determining a quantity of consumable product, notably ink, present in a reservoir wit |
November 20, 2001 |
| Determination of the quantity of liquid product contained in a reservoir, with the help of a capacitive arrangement.The invention is applicable to a reservoir (112) comprising a compartment (166) where the product is in the captive state, for example impregnating a porous body, and the c |
| 6310635 |
Device for determining a quantity of consumable product present in a reservoir and corresponding |
October 30, 2001 |
| Determination of the quantity of consumable product, notably of ink, remaining in a reservoir.A capacitor (36) is formed on each side of the reservoir (24) and a resonant circuit including this capacitor is formed with a circuit forming a notional inductor (74), such as a gyrator, and an |
| 6299280 |
Method of transmitting information by capacitive connection and a device adapted to implement it |
October 9, 2001 |
| An apparatus for transmitting binary information between a first device carried by a first body and a second device carried by a second body, movable with respect to the first body along a path within a given range of movement, includes at least one first electrically conductive main |
| 6293144 |
Method and device for monitoring the consumption of a product, for example a printing ink, using |
September 25, 2001 |
| In order to monitor the consumption of a normally electrically conductive product contained in a storage chamber of a reservoir made of electrically non-conductive material, the storage chamber is disposed in a capacitive arrangement and a measurement procedure is defined, according to w |
| 6254212 |
Method and device for determining the quantity of product present in a reservoir, notably that o |
July 3, 2001 |
| A device determines a quantity of product present in a reservoir, particularly a quantity of ink in the reservoir (112) of an image forming device, such as a printer (10). The device includes an electrode (120) disposed in contact with the product in the reservoir, a circuit (117) for |
| 6244680 |
Detecting quantity of residual product in a movable reservoir |
June 12, 2001 |
| Detecting a quantity of a product remaining in a reservoir subjected, during use of the product, to a driving movement. The reservoir is driven in accordance with reference signals representing target movements. The reference signals including at least one test reference signal. The |
| 6185515 |
Method and device for detecting a filling threshold for an electrically insulating reservoir con |
February 6, 2001 |
| The object of the invention is the detection of a given threshold (optionally zero) for filling, with an electrically conductive product, a reservoir made of electrically insulating material having a storage cavity connected to an outlet channel. An excitation signal is applied to the |
| 6183054 |
Method and device for determining the quantities of consumable products contained in reservoirs |
February 6, 2001 |
| Determination of the quantities of products contained in reservoirs grouped together next to one another by using a capacitive arrangement associated with these reservoirs.According to the invention, electrodes of the capacitive arrangement (121a, 122a-121b, 122b-121c, 122c) respectively |
| 6164744 |
Method and device for monitoring the operational state of a reservoir, for example an ink reserv |
December 26, 2000 |
| In order to monitor the state of a reservoir made of electrically insulating material containing a normally electrically conductive product, ink for example, the free end of the outlet channel of the reservoir is connected to a predetermined potential and two measurement procedures are |
| 6095629 |
Device for determining quantities of consumable products contained in reservoirs and a document |
August 1, 2000 |
| Device for determining quantities of products contained in adjacent ones of plural reservoirs, by using a capacitive arrangement. According to the invention, two electrodes of the capacitive arrangement are disposed between two reservoirs and are in each case either sending electrodes to |
| 6022090 |
Checking of the operation of the transfer of ink in an image transfer device |
February 8, 2000 |
| The invention concerns a device for checking the operation of a unit comprising an ink reservoir (112) connected to at least an ink transfer means (113, 204), for an image transfer device (10), characterized in that it includes a means (205, 31, 230) for transmitting energy to ink co |
| 5775687 |
Tray for loading sheets, including a receptacle and a lid having prevention means preventing the |
July 7, 1998 |
| A tray for a sheet processing apparatus has a receptacle (11), a lifting plate (12) movable between the low and high positions, arranged at the bottom of the receptacle and cooperating with an elastic thrust return member towards the high position, a lid (13) for covering the receptacle, |
| 5752696 |
Tray for loading sheets in a sheet-processing apparatus having an elastic force maintaining a li |
May 19, 1998 |
| A tray for a sheet processing apparatus having a receptacle, a lifting plate movable between a low position and a high position, an elastic member for elastically moving the lifting plate to the high position from the low position, a lid mounted on the receptacle pivoting about an axis |
| 5718424 |
Sheet feeding device having a separating and prestressing device |
February 17, 1998 |
| A feeding device transfers, one by one, sheets from a pile (12) to a processing device having a storage area for the pile of sheets, a drive roller (201) in contact with a sheet disposed at one end of the pile, a separating and prestressing device (203, 210) disposed opposite the rol |
| 5685535 |
Sheet feeding device intended to be mounted on an image-forming apparatus |
November 11, 1997 |
| A sheet feeding device has a frame adapted for mounting on the image-forming apparatus, a slide sliding on the frame between a closed position in which the sheets are presented to the rollers of the apparatus and an open position for loading the sheets, a tray receiving the sheets di |
