公开(公告)号：US06407557B1

公开(公告)日：2002-06-18

申请号：US09383625

申请日：1999-08-26

Applicant: Pascal Coudray ,  Marie-Hélène Froger ,  Mickaël Lorgeoux ,  Christophe Truffaut

Inventor： Pascal Coudray ,  Marie-Hélène Froger ,  Mickaël Lorgeoux ,  Christophe Truffaut

IPC: G01R2708

CPC classification number: H03J3/185 ,  B41J2/17566 ,  G01F23/24 ,  G01F23/244 ,  G01N27/221 ,  G01R19/04 ,  G01R27/22

Abstract: 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 connected to the resistive body and this is incorporated in a resonant circuit that includes a variable capacitor. The resonant circuit is supplied with a fixed frequency, and as the capacitance of the variable capacitor is varied the peak of the signal is sought. The amplitude of the peak is representative of the resistance of the resistive body.

Abstract translation: 测量电阻体的电阻，特别是包含印刷产品如油墨的储存器。 根据本发明，电阻体用于限定由电容分支形成的电容布置，该电容分支包括电连接到电阻体的电容器，并且其被并入包括可变电容器的谐振电路中。 谐振电路被提供固定频率，并且随着可变电容器的电容变化，寻求信号的峰值。 峰值的振幅代表电阻体的电阻。

公开(公告)号：US06352325B1

公开(公告)日：2002-03-05

申请号：US09315017

申请日：1999-05-20

Applicant: Christophe Truffaut ,  Marie-Hélène Froger ,  Pascal Coudray ,  Mickaël Lorgeoux

Inventor： Christophe Truffaut ,  Marie-Hélène Froger ,  Pascal Coudray ,  Mickaël Lorgeoux

IPC: B41J2195

CPC classification number: B41J2/17566 ,  G01F23/263

Abstract: 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 of the carriage, a common contact element of these connection members being connected to an oscillator.

Abstract translation: 根据本发明，电气连接构件设置在底座和承载电容器板的托架之间，分别对应于储存器，以便在托架的预定位置上投入使用对应于储存器的每个板，共同的 这些连接构件的接触元件连接到振荡器。

公开(公告)号：US06325477B1

公开(公告)日：2001-12-04

申请号：US09004513

申请日：1998-01-08

Applicant: Pascal Coudray ,  Marie-Hélène Froger

Inventor： Pascal Coudray ,  Marie-Hélène Froger

IPC: B41J2195

CPC classification number: G01F23/266 ,  B41J2/17566 ,  B41J2002/17583 ,  G01F23/268

Abstract: 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 printer. According to the invention, the product is connected to a predetermined potential and an electrical field is established through the product present in the reservoir. The electrical field passing through the product is measured in order to produce an electrical signal representing the electrical field, and the resulting electrical signal is processed in order to produce a signal representing the quantity of product present in the reservoir and to detect the interruption of the connection of the product to the predetermined potential, where the interruption corresponds t the predetermined quantity of product in the reservoir.

Abstract translation: 用于确定存储在储存器中的产品的数量的装置和方法，更具体地，当储存器中存在预定量的产品时，更准确地确定。 本发明适用于诸如打印机的图像形成装置中的墨水容器。 根据本发明，产品连接到预定的电位，并且通过存在于储存器中的产品建立电场。 测量通过产品的电场以产生表示电场的电信号，并且对所得到的电信号进行处理，以便产生表示存储在储存器中的产品量的信号，并且检测该信号的中断 将产品连接到预定电位，其中中断对应于储存器中的预定量的产品。

公开(公告)号：US06318826B1

公开(公告)日：2001-11-20

申请号：US09104269

申请日：1998-06-25

Applicant: Marie-Hélène Froger ,  Pascal Coudray

Inventor： Marie-Hélène Froger ,  Pascal Coudray

IPC: G41J25308

CPC classification number: B41J2/1752 ,  B41J2/17513 ,  B41J2/17566 ,  G01F23/266 ,  G01F23/268

Abstract: 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 conductive electrodes (221, 222) associated with this compartment are situated on either side of the volume where the product is in the captive state and offset with respect to one another in order to be located respectively in the vicinity of two opposite ends of this volume. When the reservoir has another compartment where the product is in the free state, the electrodes of the capacitive arrangement are advantageously L-shaped.

Abstract translation: 借助于电容性排列来确定储存器中所含的液体产物的量。本发明可应用于包括产品处于捕获状态的隔室（166）的储存器（112），例如浸渍多孔 本体和与该隔间相关联的导电电极（221,222）位于产品处于捕获状态并相对于彼此偏移的体积的任一侧上，以分别位于两个相对的附近 当储存器具有产品处于自由状态的另一隔室时，电容布置的电极有利地为L形。

公开(公告)号：US06183054B2

公开(公告)日：2001-02-06

申请号：US09104011

申请日：1998-06-24

Applicant: Marie-Hélène Froger ,  Pascal Coudray

Inventor： Marie-Hélène Froger ,  Pascal Coudray

IPC: B41J2195

CPC classification number: G01F23/266 ,  B41J2/17566 ,  B41J2002/17579 ,  G01F23/265

Abstract: 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 associated in pairs with the reservoirs (112a, 112b, 112c) are selected, the transmitted signals (Si) are successively detected, measured and stored, and each measurement is corrected by correction values depending on at least certain of the other measurements.

Abstract translation: 根据本发明，电容布置（121a，122a-121b，122b-121c，122c）的电极分别相关联 与储存器（112a，112b，112c）成对配置，连续地检测，测量和存储所发送的信号（Si），并且根据至少某些其他测量值通过校正值来校正每个测量值。

公开(公告)号：US06345532B1

公开(公告)日：2002-02-12

申请号：US09004517

申请日：1998-01-08

Applicant: Pascal Coudray ,  Marie-Hélène Froger

Inventor： Pascal Coudray ,  Marie-Hélène Froger

IPC: G01F2326

CPC classification number: B41J2/17566 ,  G01F23/266

Abstract: 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 predetermined potential, means (121, 122) of establishing a first electrical field through the product, and adapted to establish a second electrical field different from the first electrical field, means (122), of measuring electrical fields in order to produce first and second electrical signals representing electrical fields, and means (100) of processing the first electrical signal in order to produce a signal representing the quantity of product, and adapted to process the second electrical signal in order to detect the interruption of the connection of the product to the predetermined potential, the said interruption corresponding to a predetermined quantity of product present in the reservoir (112).

Abstract translation: 设备确定储存器中存在的产品的数量，特别是图像形成装置（例如打印机）的储存器（112）中的墨水量。 在优选实施例中，所述装置包括将所述产品连接到预定电位的装置（120,113,123），所述装置（121,122）通过所述产品建立第一电场，并适于建立第二电场 与第一电场不同的是测量电场以便产生表示电场的第一和第二电信号的装置（122），以及处理第一电信号的装置（100），以便产生表示电场的数量的信号 产品，并且适于处理第二电信号，以便检测产品与预定电位的连接的中断，所述中断对应于存储在存储器（112）中的预定量的产品。

公开(公告)号：US06438500B1

公开(公告)日：2002-08-20

申请号：US09104782

申请日：1998-06-26

Applicant: Marie-Hélène Froger ,  Pascal Coudray ,  François Delumeau ,  Alexandre Dodge

Inventor： Marie-Hélène Froger ,  Pascal Coudray ,  François Delumeau ,  Alexandre Dodge

IPC: B41J2195

CPC classification number: G01F23/266 ,  B41J2/1752 ,  B41J2/17546 ,  B41J2/17553 ,  B41J2/17566 ,  G01F23/0069 ,  G01F23/265

Abstract: 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, and by sampling. Pairs of samples are correlated to obtain a true correlation value SR, where the instantaneous value of correlation between the state value B(i) and the state value B(i+Z) is summed, Z being the number of samples taken during a period T of the signal to be detected. A rate calculation is performed, during which the rate &rgr; of samples representing the presence of the signal is measured, and theoretical correlation mean values are evaluated. A decision is made by comparison of the true correlation value SR with each theoretical correlation mean value.

Abstract translation: 通过传输受产品影响的信号来检测储存器中产品的存在或不存在。 从其后的信号中检测信号，随后通过鉴别和传送其电平由辨别设置的输出信号以及通过采样来接收信号。 将一对样本相关以获得真相关值SR，其中状态值B（i）和状态值B（i + Z）之间的相关性的瞬时值相加，Z是在一段时间内采集的样本数 T的待检测信号。 进行速率计算，其中测量表示信号存在的样本的速率rho，并且评估理论相关平均值。 通过将真实相关值SR与每个理论相关平均值进行比较来做出决定。

公开(公告)号：US06361135B1

公开(公告)日：2002-03-26

申请号：US08784192

申请日：1997-01-15

Applicant: Pascal Coudray ,  Marie-Hélène Froger ,  Christophe Truffaut

Inventor： Pascal Coudray ,  Marie-Hélène Froger ,  Christophe Truffaut

IPC: B41J2195

CPC classification number: B41J2/17513 ,  G01F23/284

Abstract: 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 successively supplying the electrodes with an excitation signal (SE) causing an electromagnetic radiation from the product, a receiving antenna (116) for sensing the electromagnetic radiation caused by the respective supplying of the electrodes, and a circuit (115) for processing the radiation sensed into a signal representing the distribution of product contained in the porous body inside the reservoir.

Abstract translation: 为了确定存储在储存器（112）中的产品的分布，特别是油墨在图像转印装置的储存器中的分布，装置包括设置成与储存器中的产品接触的电极（121,122）， 电路（117），用于连续地向电极提供产生来自产品的电磁辐射的激励信号（SE），用于感测由相应的电极供应引起的电磁辐射的接收天线（116），以及电路（115） 用于将感测的辐射处理成表示储存器内的多孔体中包含的产品的分布的信号。

公开(公告)号：US06254212B1

公开(公告)日：2001-07-03

申请号：US08860686

申请日：1997-07-02

Applicant: Pascal Coudray ,  Marie-Hélène Froger ,  Christophe Truffaut

Inventor： Pascal Coudray ,  Marie-Hélène Froger ,  Christophe Truffaut

IPC: B41J2195

CPC classification number: G01F23/284 ,  B41J2/17566 ,  G01F23/266 ,  G01F23/268

Abstract: 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 supplying the electrode with an excitation signal (SE) causing an electromagnetic signal radiated by the product, a receiving antenna (116) for sensing the electromagnetic signal, and a circuit (115) for processing the electromagnetic signal sensed into a signal representing the quantity of product present in the reservoir.

Abstract translation: 装置确定储存器中存在的产品的数量，特别是图像形成装置（例如打印机（10））的储存器（112）中的油墨量。 该装置包括与储存器中的产品接触设置的电极（120），用于向电极提供产生由产品辐射的电磁信号的激励信号（SE）的电路（117），用于 感测电磁信号的电路（115），以及用于将感测到的电磁信号处理成表示存储在存储器中的产品数量的信号的电路（115）。

公开(公告)号：US06185515B2

公开(公告)日：2001-02-06

申请号：US09104265

申请日：1998-06-25

Applicant: Marie-Hélène Froger ,  Pascal Coudray ,  Mickaël Lorgeoux

Inventor： Marie-Hélène Froger ,  Pascal Coudray ,  Mickaël Lorgeoux

IPC: G01F2326

CPC classification number: B41J2/17553 ,  B41J2/17566 ,  G01F23/266

Abstract: 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 cavity, in periodic square waves, and a measurement signal is taken off, one characteristic of which varies substantially with the quantity of product contained in the cavity reaches the filling threshold. From this characteristic, by comparison with a reference threshold, a binary signal C,C′ is derived, which is filtered digitally whilst multiplying it (convolution product) by a signal which is identical to it, but with a delay equal to a multiple, at least equal to one, of the period of the square waves.

Abstract translation: 本发明的目的是检测给定的阈值（可选地为零）以用导电产品填充由具有连接到出口通道的存储腔的电绝缘材料制成的储存器。 激励信号以周期性方波施加到空腔，并且取消测量信号，其中的一个特征随着空腔中包含的产品的数量达到填充阈值而显着变化。 根据该特征，通过与参考阈值进行比较，导出二进制信号C'C'，其被数字滤波，同时将它（卷积积）乘以与其相同但具有等于倍数的延迟的信号， 至少等于一个方波的周期。