Commodity consumption meters
    1.
    发明公开
    Commodity consumption meters 失效
    消耗计量表

    公开(公告)号:EP0717286A3

    公开(公告)日:1997-05-07

    申请号:EP95309022.2

    申请日:1995-12-12

    Abstract: Apparatus is provided for use with a commodity consumption meter (2), of a type having a sealed housing (3, 4, 6) and including a rotating component (14) whose rate of rotation depends upon the rate of consumption of the commodity, the rotating component being visible through a wall of the sealed housing. The apparatus comprises: a casing (38) which substantially completely covers the wall of the meter (2) and includes a transparent region (62) through which the rotating component (14) can be viewed and an optical assembly (64) for monitoring rotation of the rotating component. Preferably the optical assembly (64) comprises a light source (66) which is amplitude modulated at a selected frequency and is arranged to direct light (70) through the housing onto the rotating component (14) and a light detector (68) to detect reflected light (74) from the rotating component (14), the apparatus further including a synchronous detector circuit (82) connected to the detector (68) and operated at the selected frequency and processing means (96) arranged to count the number of revolutions of the component (14) using the output signal from the synchronous detector circuit (82).

    A commodity consumption meter
    2.
    发明公开
    A commodity consumption meter 失效
    Verbrauchsmessgerät。

    公开(公告)号:EP0598520A2

    公开(公告)日:1994-05-25

    申请号:EP93308786.8

    申请日:1993-11-03

    Abstract: A commodity consumption meter in the form of a modular assembly comprising: a basic module (1) for metering the consumption of the commodity; and at least one add-on module (3,5) for providing a function ancillary to the metering of the commodity, said meter including a connection (13) consisting of a single plug (24) and socket (23) between said basic module (1) and the or an add-on module (3) by means of which the basic module (1) supplies to the add-on module (3) both power and information regarding the metering by the basic module (1).

    Abstract translation: 一种模块化组件形式的商品消费计量表,包括:用于计量商品消费的基本模块(1); 以及至少一个附加模块(3,5),用于提供辅助于所述商品计量的功能,所述计量器包括由所述基本模块之间的单个插头(24)和插座(23)组成的连接(13) (1)和所述或附加模块(3),所述基本模块(1)通过所述附加模块(1)向所述附加模块(3)提供关于所述基本模块(1)的计量的功率和信息。

    Synchronous detector circuit arrangement
    3.
    发明公开
    Synchronous detector circuit arrangement 失效
    同步检测器电路

    公开(公告)号:EP0738893A3

    公开(公告)日:1997-05-14

    申请号:EP96302646.3

    申请日:1996-04-16

    CPC classification number: G01D3/02 G01R11/02 G01R21/133

    Abstract: A synchronous detector circuit arrangement (30) is provided for detecting a signal of interest in an input signal, in which the input signal comprises a signal at a selected frequency which is modulated by the signal of interest and by an unwanted signal. The circuit arrangement comprises signal combining means (33) for combining the input signal with a correction signal (34); a synchronous detector (14) connected to the output of the signal combining means and operated at the selected frequency for detecting the signal of interest; and means (40, 43, 44) for generating the correction signal such that in operation the correction signal is a signal at the selected frequency, is in antiphase with the input signal and has an amplitude which is selected such as to at least partially cancel the unwanted signal.

    Commodity consumption meters
    4.
    发明公开
    Commodity consumption meters 失效
    Verbrauchsmessgerät

    公开(公告)号:EP0717286A2

    公开(公告)日:1996-06-19

    申请号:EP95309022.2

    申请日:1995-12-12

    Abstract: Apparatus is provided for use with a commodity consumption meter (2), of a type having a sealed housing (3, 4, 6) and including a rotating component (14) whose rate of rotation depends upon the rate of consumption of the commodity, the rotating component being visible through a wall of the sealed housing. The apparatus comprises: a casing (38) which substantially completely covers the wall of the meter (2) and includes a transparent region (62) through which the rotating component (14) can be viewed and an optical assembly (64) for monitoring rotation of the rotating component. Preferably the optical assembly (64) comprises a light source (66) which is amplitude modulated at a selected frequency and is arranged to direct light (70) through the housing onto the rotating component (14) and a light detector (68) to detect reflected light (74) from the rotating component (14), the apparatus further including a synchronous detector circuit (82) connected to the detector (68) and operated at the selected frequency and processing means (96) arranged to count the number of revolutions of the component (14) using the output signal from the synchronous detector circuit (82).

    Abstract translation: 提供了一种与商品消耗计(2)一起使用的装置,其具有密封壳体(3,4,6)并且包括其旋转速率取决于商品的消耗速率的旋转部件(14) 旋转部件通过密封壳体的壁是可见的。 该装置包括:壳体(38),其基本上完全覆盖仪表(2)的壁并且包括可以观察旋转部件(14)的透明区域(62)和用于监视旋转的光学组件(64) 的旋转部件。 优选地,光学组件(64)包括以选定频率进行调幅的光源(66),并被布置成将光(70)通过壳体引导到旋转部件(14)上,并且光检测器(68)检测 反射光(74),该装置还包括连接到检测器(68)并以所选频率操作的同步检测器电路(82),并且被配置为对转数进行计数的处理装置 (14)的使用来自同步检测器电路(82)的输出信号。

    Synchronous detector circuit arrangement
    5.
    发明公开
    Synchronous detector circuit arrangement 失效
    Synchrondetektorschaltungsanordnung

    公开(公告)号:EP0738893A2

    公开(公告)日:1996-10-23

    申请号:EP96302646.3

    申请日:1996-04-16

    CPC classification number: G01D3/02 G01R11/02 G01R21/133

    Abstract: A synchronous detector circuit arrangement (30) is provided for detecting a signal of interest in an input signal, in which the input signal comprises a signal at a selected frequency which is modulated by the signal of interest and by an unwanted signal. The circuit arrangement comprises signal combining means (33) for combining the input signal with a correction signal (34); a synchronous detector (14) connected to the output of the signal combining means and operated at the selected frequency for detecting the signal of interest; and means (40, 43, 44) for generating the correction signal such that in operation the correction signal is a signal at the selected frequency, is in antiphase with the input signal and has an amplitude which is selected such as to at least partially cancel the unwanted signal.

    Abstract translation: 提供了同步检测器电路装置(30),用于检测输入信号中感兴趣的信号,其中输入信号包括被感兴趣信号调制的选定频率的信号和不需要的信号。 电路装置包括用于将输入信号与校正信号(34)进行组合的信号组合装置(33)。 同步检测器(14),连接到信号组合装置的输出端,并以所选择的频率操作,用于检测感兴趣的信号; 以及用于产生所述校正信号的装置(40,43,44),使得在操作中所述校正信号是所选频率处的信号,与所述输入信号相反,并且具有被选择的幅度,以便至少部分地取消 不需要的信号。

    Electricity metering equipment
    6.
    发明公开
    Electricity metering equipment 失效
    电表。

    公开(公告)号:EP0163440A1

    公开(公告)日:1985-12-04

    申请号:EP85303247.2

    申请日:1985-05-08

    Inventor: Jones, Alan John

    CPC classification number: G01R11/24

    Abstract: An electricity metering equipment wherein, in order to reduce the possibility of fraudent consumption of electricity, there is provided in addition to the usual meter (3) for measuring the amount of electricity consumed, an independent device (5) which produces a signal corresponding to the supply of electricity. A comparison means (4) then compares the signal with the amount of electricity consumed as measured by the meter, and an output signal is produced if there is a discrepancy which may be used to disconnect the supply and/or transmit a signal to the supply authority.

    Power supply line carrier communication systems
    7.
    发明公开
    Power supply line carrier communication systems 失效
    电源线载波通信系统

    公开(公告)号:EP0124260A3

    公开(公告)日:1985-05-15

    申请号:EP84302117

    申请日:1984-03-28

    Abstract: A transmitter/receiver unit for use in a two way electrical power supply line carrier communication system. The unit includes two conductors (3, 5) for connection to the supply line, and a transmitter (1) and a receiver (7) each connected across the two conductors. A first winding (9) of a transformer is connected in series between the transmitter (1) and receiver (7) on one of the conductors (3). Switching means (13, 15, 21) is provided which is operable to control the impedance across a second winding (11) of the transformer so that the first winding (9) presents a relatively high impedance to carrier signals when the receiver (7) is operating, and a relatively low impedance to carrier signals when the transmitter is operating.

    Abstract translation: 用于双向电力供电线路载波通信系统的发射机/接收机单元。 该单元包括用于连接到电源线的两个导体(3,5)和分别连接在两个导体上的发射器(1)和接收器(7)。 变压器的第一绕组(9)串联在一个导体(3)上的发射器(1)和接收器(7)之间。 提供了开关装置(13,15,21),其可操作以控制跨越变压器的第二绕组(11)的阻抗,使得当接收器(7)处于接收器(7)时,第一绕组(9)对载波信号呈现相对较高的阻抗, 在发射机运行时,对载波信号的阻抗相对较低。

    A commodity consumption meter
    9.
    发明公开
    A commodity consumption meter 失效
    商品消费量表

    公开(公告)号:EP0598521A2

    公开(公告)日:1994-05-25

    申请号:EP93308787.6

    申请日:1993-11-03

    Abstract: A commodity consumption meter in the form of a modular assembly comprising: a basic module (1) for metering the consumption of the commodity; and at least one add-on module (3,5) for providing a function ancillary to the metering of the commodity, said basic module (1) supplying to the or an add-on module (3) a single signal indicative of both the rate of consumption of the commodity as metered by the basic module (1) and whether the passage of the commodity is to or away from the consumer.

    Abstract translation: 一种模块化组件形式的商品消耗计量器,包括:用于计量商品消耗量的基本模块(1) 以及至少一个附加模块(3,5),用于提供辅助计量商品的功能,所述基本模块(1)向所述或附加模块(3)提供指示所述商品 由基本模块(1)计量的商品的消费率以及商品的通过是消费者还是消费者。

    Power supply line carrier communication systems
    10.
    发明公开
    Power supply line carrier communication systems 失效
    Trägerfrequenz-NachrichtensystemeüberStromversorgungsleitungen。

    公开(公告)号:EP0124260A2

    公开(公告)日:1984-11-07

    申请号:EP84302117.1

    申请日:1984-03-28

    Abstract: A transmitter/receiver unit for use in a two way electrical power supply line carrier communication system. The unit includes two conductors (3, 5) for connection to the supply line, and a transmitter (1) and a receiver (7) each connected across the two conductors. A first winding (9) of a transformer is connected in series between the transmitter (1) and receiver (7) on one of the conductors (3). Switching means (13, 15, 21) is provided which is operable to control the impedance across a second winding (11) of the transformer so that the first winding (9) presents a relatively high impedance to carrier signals when the receiver (7) is operating, and a relatively low impedance to carrier signals when the transmitter is operating.

    Abstract translation: 用于双向电力供电线路载波通信系统的发射机/接收机单元。 该单元包括用于连接到电源线的两个导体(3,5)和分别连接在两个导体上的发射器(1)和接收器(7)。 变压器的第一绕组(9)串联在一个导体(3)上的发射器(1)和接收器(7)之间。 提供了开关装置(13,15,21),其可操作以控制跨越变压器的第二绕组(11)的阻抗,使得当接收器(7)处于接收器(7)时,第一绕组(9)对载波信号呈现相对较高的阻抗, 在发射机运行时,对载波信号的阻抗相对较低。

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