Abstract: The invention relates to a detection label provided with a passive resonant circuit which is configured to emit an identification code when the passive resonant circuit is introduced into a first electromagnetic interrogation field, wherein the label is further provided with a memory and an active circuit comprising a transmitter and a receiver, wherein the active circuit is configured to emit information which is stored in the memory with the transmitter when the active circuit is introduced into a second electromagnetic interrogation field comprising a first predetermined code, which second electromagnetic interrogation field is received with the receiver, characterized in that the label is configured, in response to the receiving of the second interrogation field, when the second interrogation field comprises a second predetermined code, to adjust a status of the label such that the passive resonant circuit does not emit the identification code when the passive resonant circuit is introduced into the first

Abstract: A system for determining positions of labels. Each label includes a processor and a transmitting and receiving device, and each label is configured for transmitting an electromagnetic first type beacon signal. The labels are also configured for receiving first type beacon signals from other labels, and for determining first type positioning data. The labels are also configured to transmit information about the positioning data. The system includes a receiver for receiving transmitted information about the positioning data, and a computer configured to calculate, on the basis of the received information, the relative positions of the labels relative to each other. The information about the relative positions of the labels can be exported by means of an electrical information signal.

Abstract: A label is described for attachment to an animal. The label includes a transmitting and receiving device having an electric oscillator circuit that, upon closure of the oscillator circuit, generates a periodic electric oscillator signal with an oscillation period for transmitting an electromagnetic beacon signal with the transmitting and receiving device. The label is configured for closing the electric oscillator circuit during a predetermined transmission duration, and is further configured for opening the electric oscillator circuit upon elapse of the predetermined transmission duration, wherein the predetermined transmission duration corresponds to at least one and at least a whole number of oscillation periods of the electric oscillator signal.

Abstract: A tag for attachment to an animal comprising: a transmitter unit for generating a transmitter signal; a first antenna unit connected with the transmitter unit, for emitting the transmitter signal; an energy source for providing electrical energy to at least the transmitter unit; and a housing in which the transmitter unit, antenna unit and the energy source are included, the housing being provided with an attachment opening for receiving therethrough an attachment element for attachment of the tag to the animal, characterized in that the first antenna unit is provided with at least one first winding which extends around the attachment opening.

Abstract: Milk meter for measuring a milk flow provided with an inlet the milk flow is supplied to an outlet, a liquid flow path extending from the inlet to the outlet, a stabilization chamber in the liquid flow path and a float therein configured to float on milk. The level of milk in the stabilization chamber depends on the flow rate of the milk flow. At least one sensor device for determining the position of the float in the stabilization chamber for determining the flow rate of the milk flow. The milk meter has an outflow channel and an outflow opening in fluid communication with the outlet via the outflow channel. The sensor device has a first and a second coil which have a fixed distance to each other, and a third coil. The first and second coil and the third coil are displaceable relative to each other.

Abstract: The invention relates to a detection label provided with a passive resonant circuit which is configured to emit an identification code when the passive resonant circuit is introduced into a first electromagnetic interrogation field, wherein the label is further provided with a memory and an active circuit comprising a transmitter and a receiver, wherein the active circuit is configured to emit information which is stored in the memory with the transmitter when the active circuit is introduced into a second electromagnetic interrogation field comprising a first predetermined code, which second electromagnetic interrogation field is received with the receiver, characterized in that the label is configured, in response to the receiving of the second interrogation field, when the second interrogation field comprises a second predetermined code, to adjust a status of the label such that the passive resonant circuit does not emit the identification code when the passive resonant circuit is introduced into the first

Abstract: The invention relates to a system comprising at least one smart tag for animals on a farm and a multiplicity of devices which are configured to have an interaction with the animals, the smart tag being provided with at least one transmitting and receiving apparatus, at least one processor, at least one memory and at least one sensor which are communicatively connected with each other, characterized in that the smart tag is configured to comprise and send out command data intended to selectively control a device of a multiplicity of different type devices autonomously and wirelessly.

Abstract: A label is described for attachment to an animal. The label includes a transmitting and receiving device having an electric oscillator circuit that, upon closure of the oscillator circuit, generates a periodic electric oscillator signal with an oscillation period for transmitting an electromagnetic beacon signal with the transmitting and receiving device. The label is configured for closing the electric oscillator circuit during a predetermined transmission duration, and is further configured for opening the electric oscillator circuit upon elapse of the predetermined transmission duration, wherein the predetermined transmission duration corresponds to at least one and at least a whole number of oscillation periods of the electric oscillator signal.

Abstract: The invention provides a system and a method for determining a physiological condition of a ruminant. The system comprises a sensor unit and a calculating unit. The sensor unit generates a stream of measuring data that are indicative of a movement condition of the ruminant. The calculating unit uses a neural network for calculating a stream of condition data from the stream of measuring data. The condition data indicate a physiological condition of the ruminant.

Abstract: A system for determining positions of labels. Each label includes a processor and a transmitting and receiving device, and each label is configured for transmitting an electromagnetic first type beacon signal. The labels are also configured for receiving first type beacon signals from other labels, and for determining first type positioning data. The labels are also configured to transmit information about the positioning data. The system includes a receiver for receiving transmitted information about the positioning data, and a computer configured to calculate, on the basis of the received information, the relative positions of the labels relative to each other. The information about the relative positions of the labels can be exported by means of an electrical information signal.

Abstract: A milk meter for measuring a flow rate of a milk flow with an inlet and an outlet a liquid flow path from the inlet to the outlet, a stabilization chamber in the liquid flow path and a float in the stabilization chamber configured to float on milk the milk meter is configured so a level of milk in the stabilization chamber depends on the flow rate of the milk flow, and is provided with a magnetic unit in the stabilization chamber, the magnetic field varies in a height direction of the stabilization chamber, an electronic measuring unit is arranged in the float for measuring the strength of the magnetic field, the strength is a measure of the height within the stabilization chamber at which the float is floating on the milk and the strength of the magnetic field is a measure of the flow rate of the milk flow.

Abstract: A system for analyzing a condition of an animal, wherein the system includes at least an identification unit (2.1) which is arranged to be worn by an animal, wherein the identification unit includes a first transmitter unit (4), a movement sensor (6), and a control unit (8) which is communicatively connected with the transmitter unit and the movement sensor, wherein the system further includes a receiver unit (8) and a computer (10) which is connected with the receiver unit and wherein the system further includes positioning means for measuring a position of the identification unit, wherein the control unit is arranged for, in use, storing and/or processing electronic information of movements of the animal which have been obtained with the movement sensor.

Abstract: A tag for attachment to an animal comprising: a transmitter unit for generating a transmitter signal; a first antenna unit connected with the transmitter unit, for emitting the transmitter signal; an energy source for providing electrical energy to at least the transmitter unit; and a housing in which the transmitter unit, antenna unit and the energy source are included, the housing being provided with an attachment opening for receiving therethrough an attachment element for attachment of the tag to the animal, characterized in that the first antenna unit is provided with at least one first winding which extends around the attachment opening.

Abstract: Milk meter for measuring a milk flow provided with an inlet the milk flow is supplied to an outlet, a liquid flow path extending from the inlet to the outlet, a stabilization chamber in the liquid flow path and a float therein configured to float on milk. The level of milk in the stabilization chamber depends on the flow rate of the milk flow. At least one sensor device for determining the position of the float in the stabilization chamber for determining the flow rate of the milk flow. The milk meter has an outflow channel and an outflow opening in fluid communication with the outlet via the outflow channel. The sensor device has a first and a second coil which have a fixed distance to each other, and a third coil. The first and second coil and the third coil are displaceable relative to each other.

Abstract: Method and system for determining calving information about a moment at which a cow is going to calve, a period in which a cow is going to calve or the moment at which the cow has calved. The system comprises a sensor and a signal processing unit which is configured to process signals obtained with the sensor. With the sensor a heartbeat of the cow is measured so that the signals obtained with the sensor comprise information about the measured heartbeat of the animal. With the signal processing unit an increased heartbeat is recognized according to a predetermined criterion on the basis of signals obtained with the sensor. If the increased heartbeat is recognized with the signal processing unit, the signal processing unit generates an alarm signal which comprises the calving information.

Abstract: A measuring device for measuring physiological data of a mammal comprising a measuring unit, to be worn by the mammal, with a first and second module. The first module comprises a light source and the second module comprises a sensor unit for measuring an intensity of a fraction of the light delivering a measuring signal. There is a synchronization means for pulsewise activating the light source synchronously with the second module, wherein the measuring signal is indicative of the value of the intensity measured during the pulsewise activation. The synchronization means comprises an energy transmitting unit and a detector which is part of the other one of the first and the second module, in an operating condition the energy transmitting unit pulsewise generates an electromagnetic field, and the detector receives this field and generates therefrom a supply voltage for use in that other module.

Abstract: A method of monitoring the physiological condition, and/or suitability of animal feed, of ruminant animals, comprising: a. sensing the occurrence of at least a first predetermined type of activity of the animal; b. determining a length of a time period of a first type during which in step a. a sensed first predetermined type of activity has taken place; c. transmitting information about the length of a time period of the first type determined in step b. wherein preferably the transmission starts on a moment in time which depends on the moment in time on which the time period of the first type has ended; d. repeating steps a.-c. for next sensed occurrences of activities of the first predetermined type.

Abstract: A milk meter for measuring a flow rate of a milk flow with an inlet and an outlet a liquid flow path from the inlet to the outlet, a stabilization chamber in the liquid flow path and a float in the stabilization chamber configured to float on milk the milk meter is configured so a level of milk in the stabilization chamber depends on the flow rate of the milk flow, and is provided with a magnetic unit in the stabilization chamber, the magnetic field varies in a height direction of the stabilization chamber, an electronic measuring unit is arranged in the float for measuring the strength of the magnetic field, the strength is a measure of the height within the stabilization chamber at which the float is floating on the milk and the strength of the magnetic field is a measure of the flow rate of the milk flow.

Abstract: Milk meter for measuring a flow rate of a milk flow, provided with an inlet, an outlet, and a liquid flow path from the inlet to the outlet. The milk meter has a measuring chamber and a float in the measuring chamber configured to float on milk. The milk meter determines the flow rate from the level of milk and the milk meter is provided with a magnetic unit for generating a magnetic field and the magnetic field varies in height direction of the measuring chamber, and the float has an electronic measuring unit for measuring the strength of the magnetic field. The measured strength of the magnetic field is a measure of the height at which the float is floating on the milk and the measured strength of the magnetic field is a measure of the flow rate of the milk flow.

Abstract: A method of monitoring the physiological condition, and/or suitability of animal feed, of ruminant animals, comprising: a. sensing the occurrence of at least a first predetermined type of activity of the animal; b. determining a length of a time period of a first type during which in step a. a sensed first predetermined type of activity has taken place; c. transmitting information about the length of a time period of the first type determined in step b. wherein preferably the transmission starts on a moment in time which depends on the moment in time on which the time period of the first type has ended; d. repeating steps a.-c. for next sensed occurrences of activities of the first predetermined type.