Abstract: Disclosed is a device for signaling the state of a product to be monitored (PTM) having a requirement to a temperature (Tp) of or at delivery and administration thereof. The device comprises, integrated in a chip, a temperature sensor and a microcomputer (?C) that can be supplied with power from a power source (3), and comprises a display unit. The microcomputer (?C) has a function that is capable of calculating a thermal model of the current state of the product to be monitored and comprises a display for displaying or signaling the state or state variables calculated in the model or variables derived therefrom as a function of state values of or in the model(s).

Abstract: An electronic device and a system are to be provided in order to allow, at any time, monitoring of a cooking state (as a system state) of a product cooked preferably in a liquid. This is achieved by means of a hermetically sealed body with an electronic arrangement accommodated in the body. The arrangement comprises an electronic assembly (10) with a model-forming arithmetic unit (11) and a temperature sensor (20) adapted and arranged to measure an ambient temperature of the body. In addition, an electric power source (30) and a radio interface (50) with an antenna (52) are provided, the model-forming arithmetic unit simulating a model of a cooking behavior of a foodstuff to be cooked. Information on the current cooking state of the foodstuff is transmitted from the transmission unit (52) to a receiver (a smart device) spaced apart from the hermetically sealed body.

Abstract: An electronic device and a system are to be provided in order to allow, at any time, monitoring of a cooking state (as a system state) of a product cooked preferably in a liquid. This is achieved by means of a hermetically sealed body with an electronic arrangement accommodated in the body. The arrangement comprises an electronic assembly (10) with a model-forming arithmetic unit (11) and a temperature sensor (20) adapted and arranged to measure an ambient temperature of the body. In addition, an electric power source (30) and a radio interface (50) with an antenna (52) are provided, the model-forming arithmetic unit simulating a model of a cooking behavior of a foodstuff to be cooked. Information on the current cooking state of the foodstuff is transmitted from the transmission unit (52) to a receiver (a smart device) spaced apart from the hermetically sealed body.

Abstract: The invention provides a device for signaling a cooking state for at least one cooking item, such as an egg, a potato, a pepper, rice, noodles, that are being cooked in a liquid cooking medium. The device includes an at least partially floating jacket, a temperature sensor arranged in thermally conductive communication with the floating jacket, an analog-to-digital converter, a digital computing unit and a signaling device. The digital computing unit includes a digital delay portion to delay a temperature value of the liquid cooking medium that is measured by the sensor and digitized with the analog-to-digital converter. The delay portion has at least one thermal time constant to provide a thermally delayed inner temperature value as an output of the delay portion. A switching device is provided to activate the signaling device once a first temperature threshold is reached by the output of the delay portion, for signaling a first cooking state of the at least one cooking item.

Abstract: The aim of the invention is to provide an easy to use unit which is able to reproduce cooking states in a precise manner. The unit can also be started with cold water. Several consecutive monitoring operations of cooking states should be possible without long intermediate waiting times. To achieve this, the invention provides a device for signaling at least one cooking state of at least one piece of food, such as an egg, a potato, a pepper, rice or noodles, in a liquid cooking medium (7), comprising at least one partially floating jacket (1), a temperature sensor (6a), an analog digital converter (6b), a digital computer (6) and a signal transmitter (2, 20, 21, 19). In the digital computer, the temperature value &dgr;a(t) of the liquid cooking medium (7) such as water is delayed with at least one thermal time constant T1, T2, T3 (15, 15a, 15b) to form a thermally delayed inner temperature value &dgr;i(t).

Abstract: The invention relates to a current transformer for three-phase systems and it used to detect currents, for example with three-phase current meters or electronic devices which trigger low voltage protection breakers. The invention aims at developing a current transformer that can be produced and fixed in a simple and low cost fashion and permitting to measure total current. Therefore, four mutually spaced apart, parallel, identical cylindrical conversion coils (4-7) are provided. In each case, a three-phase current lead (1, 2, 3) runs between two conversion coils (4-5, 5-6, 6-7) arranged adjacent and substantially normal to their longitudinal axes (10). Conversion coils (4-7) are held headwise through two low coercivity yokes (8, 9) extending in their longitudinal axes plane.

Abstract: The invention provides a device for signaling a cooking state for at least one cooking item, such as an egg, a potato, a pepper, rice, noodles, that are being cooked in a liquid cooking medium. The device includes an at least partially floating jacket, a temperature sensor arranged in thermally conductive communication with the floating jacket, an analog-to-digital converter, a digital computing unit and a signaling device. The digital computing unit includes a digital delay portion to delay a temperature value of the liquid cooking medium that is measured by the sensor and digitized with the analog-to-digital converter. The delay portion has at least one thermal time constant to provide a thermally delayed inner temperature value as an output of the delay portion. A switching device is provided to activate the signaling device once a first temperature threshold is reached by the output of the delay portion, for signaling a first cooking state of the at least one cooking item.