Abstract: An image sensor cell (100) is presented for use in an imaging device, for example of a night vision type. The image sensor cell (100) comprises an electrodes' assembly and a control unit (118). The electrodes' assembly is configured and operable to receive an input light signal and produce a corresponding electrical signal. The electrodes' assembly comprises a photocathode (112) having an active region capable of emitting electrons in response to incident light; and at least one electrode (114, 116) in a path of electrons emitted from the photocathode (112). The control unit (118) is configured and operable for controlling an electric field profile in said path so as to selectively cause the electrons' capture on said at least one electrode (114,116) resulting in accumulation of charge on said at least one electrode (114,116) corresponding to the input electromagnetic signal indicative of an acquired image, thereby enabling direct reading of the accumulated charge.

Abstract: An electronic memory device includes at least one basic unit, which is configured as a memory cell for storing at least one bit of information. The basic unit includes a vacuum cavity for free charge carriers propagation therethrough, a region of charge carriers emission or entry into the vacuum cavity, an anode electrode which are kept under controllable voltage conditions, and at least one floating gate electrode accommodated in a path of the free charge carriers propagating through the vacuum cavity between the emission or entry region and the anode. The floating gate electrode serves for storing therein a charge indicative of the at least one bit of information.

Abstract: An electronic memory device is presented. The device comprises at least one basic unit (FIG. 2), which is configured as a memory cell for storing at least one bit of information. The basic unit comprises a vacuum cavity (FIG. 2, 2) for free charge carriers propagation therethrough, a region of charge carriers emission or entry into the vacuum cavity (FIG. 2, 10), an anode electrode (FIG. 2, 11) which are kept under controllable voltage conditions, and at least one floating gate electrode (FIG. 2, 12) accommodated in a path of said free charge carriers propagating through the vacuum cavity between the emission or entry region and the anode. The floating gate electrode serves for storing therein a charge indicative of the at least one bit of information.

Abstract: An image sensor cell (100) is presented for use in an imaging device, for example of a night vision type. The image sensor cell (100) comprises an electrodes' assembly and a control unit (118). The electrodes' assembly is configured and operable to receive an input light signal and produce a corresponding electrical signal. The electrodes' assembly comprises a photocathode (112) having an active region capable of emitting electrons in response to incident light; and at least one electrode (114, 116) in a path of electrons emitted from the photocathode (112). The control unit (118) is configured and operable for controlling an electric field profile in said path so as to selectively cause the electrons' capture on said at least one electrode (114,116) resulting in accumulation of charge on said at least one electrode (114,116) corresponding to the input electromagnetic signal indicative of an acquired image, thereby enabling direct reading of the accumulated charge.

Abstract: An electronic device is presented for performing at least one logic function. The device comprises an electron emission based electrode arrangement associated with an electron extractor. The electrode arrangement comprises at least one basic unit including a photocathode, an anode, and one or more gates arranged aside a cavity defined between the photocathode and the anode. Said one or more gates are connectable to a voltage supply unit to be operated by one or more input voltages signals corresponding to one or more logical values, respectively. Said anode is operable as a floating electrode from which an electrical output of the device indicative of a resulted logic function is read. The anode is electrically connected to a photocathode of another cathode-anode unit of the same device, or is connected to an electrode of another electronic device.

Abstract: An electronic device is presented for performing at least one logic function. The device comprises an electron emission based electrode arrangement associated with an electron extractor. The electrode arrangement comprises at least one basic unit including a photocathode, an anode, and one or more gates arranged aside a cavity defined between the photocathode and the anode. Said one or more gates are connectable to a voltage supply unit to be operated by one or more input voltages signals corresponding to one or more logical values, respectively. Said anode is operable as a floating electrode from which an electrical output of the device indicative of a resulted logic function is read. The anode is electrically connected to a photocathode of another cathode-anode unit of the same device, or is connected to an electrode of another electronic device.