Abstract: A digital device for image acquisition (10) comprises at least one selection decoder circuit (60) and a plurality of sub-blocks (50) each comprising one or more pixels (20) and a corresponding charge control circuit (30) which provides a circuit suitable for realizing a logic port of the AND type (31) having a selector input terminal (34) which receives the selection signal from the selection decoder circuit (60) and a suitable enabling input terminal (35) to receive an enabling signal; and interruption organs (32) connected to the reset terminal (21) of the pixel (20) to transmit a reset signal constituted alternatively by a signal output from the aforesaid circuit suitable for realizing a logic port of the AND type (31) or from a global reset signal transmitted to a corresponding global reset terminal (38).

Abstract: A digital device for image acquisition (10) comprises at least one selection decoder circuit (60) and a plurality of sub-blocks (50) each comprising one or more pixels (20) and a corresponding charge control circuit (30) which provides a circuit suitable for realizing a logic port of the AND type (31) having a selector input terminal (34) which receives the selection signal from the selection decoder circuit (60) and a suitable enabling input terminal (35) to receive an enabling signal; and interruption organs (32) connected to the reset terminal (21) of the pixel (20) to transmit a reset signal constituted alternatively by a signal output from the aforesaid circuit suitable for realizing a logic port of the AND type (31) or from a global reset signal transmitted to a corresponding global reset terminal (38).

Abstract: Photo-detector device for electro-optical sensors, comprising at least a detection and conversion circuit, or pixel (20), having at least a photo-sensitive reception mean (26) and a reset control terminal (11), which is able to drive an element to control the charge dissipation (23) of the photo-sensitive reception mean (26). The pixel (20) is able to convert the current generated by the photo-sensitive reception mean (26) into a voltage signal on a read-out terminal (28). The photo-detector device also comprises a circuit for controlling the reset voltage (40), able to generate a suitable input signal to the reset control terminal (11) by connecting it alternatively to a reset terminal (42) or to an external reference terminal (47), the input signal to said external reference terminal (47) is the type that can be programmed from outside. Furthermore, the circuit for controlling the reset voltage (40) can be shared between a subset of detection and control circuits (20).

Abstract: A support device for sensors and/or actuators, of a node element or End Device (10) of a wireless network of sensors/actuators which support device comprises a base body or base module (1) with a plurality of faces (2), to which a sensor and/or actuator module or block (3) is mounted, and an electrical supply block/module (4). The main feature of the base body (1) is the possibility of adding to the node element (10) further sensors and/or actuators (3) as well as adapter elements, bridge interface elements (60) or expansion modules (50). The base body (1) can have a plurality of connection faces (2) with positive engagement means (54), which allow to assemble the above described modules. The positive engagement means (54) ensures an electromechanical connection between the many modules and, furthermore, assists an easy and intuitive accessibility for a user.

Abstract: Photo-detector device for electro-optical sensors, comprising at least a detection and conversion circuit, or pixel (20), having at least a photo-sensitive reception mean (26) and a reset control terminal (11), which is able to drive an element to control the charge dissipation (23) of the photo-sensitive reception mean (26). The pixel (20) is able to convert the current generated by the photo-sensitive reception mean (26) into a voltage signal on a read-out terminal (28). The photo-detector device also comprises a circuit for controlling the reset voltage (40), able to generate a suitable input signal to the reset control terminal (11) by connecting it alternatively to a reset terminal (42) or to an external reference terminal (47), the input signal to said external reference terminal (47) is the type that can be programmed from outside. Furthermore, the circuit for controlling the reset voltage (40) can be shared between a subset of detection and control circuits (20).

Abstract: A support device for sensors and/or actuators, of a node element or End Device (10) of a wireless network of sensors/actuators which support device comprises a base body or base module (1) with a plurality of faces (2), to which a sensor and/or actuator module or block (3) is mounted, and an electrical supply block/module (4). The main feature of the base body (1) is the possibility of adding to the node element (10) further sensors and/or actuators (3) as well as adapter elements, bridge interface element) meats (60) or expansion modules (50). The base body (1) can have a plurality of connection faces (2) with positive engagement means (54), which allow to assemble the above described modules. The positive engagement means (54) ensures an electromechanical connection between the many modules and, furthermore, assists an easy and intuitive accessibility for a user.

Abstract: Photo-sensitive element for electro-optical sensors, including at least a photodiode able to generate a current that is function of the incident light, a conversion circuit able to convert the current generated into a voltage signal, a comparator able to commute if the voltage signal reaches or exceeds a determinate threshold signal, and at least a measuring and memorization element able to measure and memorize the temporal instant of commutation of the comparator and able to be driven by a reference signal in order to render available to an output line a signal estimating the incident light. The reference signal is of the type that can be programmed from outside.

Abstract: Photo-sensitive element (10) for electro-optical sensors, comprising at least a photodiode (11) able to generate a current that is function of the incident light, a conversion circuit (40) able to convert the current generated into a voltage signal, a comparator (12) able to commute if the voltage signal reaches or exceeds a determinate threshold signal (23), and at least a measuring and memorization element (15, 33) able to measure and memorize the temporal instant of commutation of the comparator (12) and able to be driven by a reference signal (27) in order to render available to an output line (29) a signal estimating the incident light. The reference signal (27) is of the type that can be programmed from outside.

Abstract: A photo-sensitive element for electro-optical sensors, includes a photo-sensitive reception member, a current conversion circuit to convert the current generated by the photo-sensitive reception member into a voltage signal, and an amplification and reading circuit. The current conversion circuit includes a P-channel transistor used as an ideal key and piloted with a voltage that can vary between a high feed voltage and a low feed voltage. The photo-sensitive element is taken to a reset state if the pilot voltage of the transistor is low, and to an integration state if the pilot voltage is high.

Abstract: Photo-sensitive element for electro-optical sensors, including a photo-sensitive reception member, a current conversion circuit to convert the current generated by the photo-sensitive reception member into a tension signal, and an amplification and reading circuit. In at least one embodiment, the current conversion circuit comprises a P-channel transistor used as an ideal key and piloted with a tension that can vary between a high feed tension and a low feed tension. The photo-sensitive element is taken to a reset state if the pilot tension of the transistor is low, and to an integration state if the pilot tension is high.