Patent application number | Description | Published |
20130031988 | Ultrasonic Consumption Meter With Locking Mechanism - An ultrasonic consumption meter includes an ultrasonic transducer for emitting and receiving ultrasonic waves, a flow channel, an electronic circuit for operating the meter, and a housing for the ultrasonic transducer and the electronic circuit. The housing is locked in position relative to the flow channel by a locking mechanism. | 02-07-2013 |
20130047695 | Ultrasonic Flow Meter - An ultrasonic flow meter is disclosed, including a switching unit for switching electrical transmission signals between a signal generator and at least two ultrasonic transducers and for switching electrical reception signal between the transducers and a receiver circuit, wherein the switching unit is coupled to an output terminal of an operational amplifier of the signal generator and to an inverting input terminal of an operational amplifier of the receiver circuit. Furthermore, a method for characterizing an ultrasonic transducer is disclosed, including the step of determining directly from one or more supply current signals for an active component of a signal generator one or more quantities useful for characterizing the transducer. Furthermore, a method for determining the time delay of an ultrasonic signal in a flow path of an ultrasonic flow meter is disclosed, including the step of comparing physically transmitted, delayed and received signals with simulated non-delayed signals. | 02-28-2013 |
20130327155 | Ultrasonic Flow Meter - An ultrasonic flow meter is disclosed comprising at least one ultrasonic transducer, wherein the transducer comprises a piezoelectric disc, a nonconductive polymeric material and an electrically conductive layer between the piezoelectric disk and the nonconducting polymeric material. | 12-12-2013 |
20130328696 | PASSIVE REDIRECTION DEVICE FOR CONSUMPTION METER COMMUNICATION - A method of transmitting and redirecting a radio signal using a data transmission system, the data transmission system including a data collection unit, a radio transmitter being connected to the data collection unit, and a redirection device being arranged at the top of a hollow shaft, the radio transmitter and the data collection unit being arranged in a lower part of the hollow shaft, the method including the steps of the radio transmitter transmitting the radio signal representative of measurement data from the data collection unit, and the redirection device redirecting the radio signal to be received at a communication device. The invention furthermore relates to a data transmission system and a redirection device adapted for operating in accordance with the above mentioned method. | 12-12-2013 |
20140236533 | Ultrasonic Flow Meter - A method for estimating and correcting or at least reducing phase errors in received ultrasonic signals in an ultrasonic flow meter is disclosed, the method including the steps of: measuring one or more signals in the ultrasonic flow meter, which one or more signals depend on characteristics of one or more ultrasonic transducers in the ultrasonic flow meter, using the one or more measured signals for calculating an estimated phase error value, and using the estimated phase error value for correcting transmission times measured by the ultrasonic flow meter. | 08-21-2014 |
20140285358 | RADIO PROTOCOL FOR COMMUNICATION WITH METER DEVICES - A method for communication between a meter device and a communication network in accordance with a radio protocol, the meter device including a meter device identification and the radio protocol including a reduced part of the meter device identification and a data field, wherein the method of communication involves transmitting a data telegram according to the protocol from the meter device, receiving the data telegram by the communication network, and identifying the meter device from a set of identification elements, including the reduced part of the meter device identification and at least one information element obtained from a data source external to the meter device. The invention furthermore relates to an identification computer device and a meter device adapted for operating according to the above mentioned radio protocol, and a radio protocol for communication between a meter device and a communication network in accordance with the above mentioned radio protocol. | 09-25-2014 |
20150033873 | Ultrasonic Consumption Meter With Locking Mechanism - An ultrasonic consumption meter includes two ultrasonic transducers for emitting and receiving ultrasonic waves, a flow channel, an electronic circuit for operating the meter, and a housing for the ultrasonic transducers and the electronic circuit. The housing is locked in position relative to the flow channel by a locking mechanism, and the flow channel has two holes for allowing the housing to get into contact with a media flowing in the flow channel. | 02-05-2015 |
20150211905 | Compact Ultrasonic Flow Meter - An ultrasonic flow meter including a meter housing, a flow tube defining an inner flow channel for a fluid to be measured, and one or more ultrasound reflectors, the meter housing including a first transducer recess, a second transducer recess, a first ultrasound transducer positioned in the first transducer recess, a second ultrasound transducer positioned in the second transducer recess, and an electronic circuit for operating the ultrasonic flow meter, wherein the transducer recesses each has slanted bottom walls, and wherein the first and second ultrasound transducers are in abutment with the slanted bottom walls of the first and second transducer recess, respectively. | 07-30-2015 |