Abstract: An interceptor missile comprising: a warhead; a processing unit; one or more sensors configured to obtain at least one reading enabling determination of a passing direction of the interceptor missile with respect to a target; wherein the processing unit is configured to: receive the reading from the sensors; determine a passing direction utilizing the reading; and obtain a required time Tgo for initiating the warhead, utilizing the determined passing direction.

Abstract: An external device is provided for use with an intraocular device configured to be implanted entirely in an eye of a subject. The external device includes a mount configured to be placed in front of the eye and a sensor coupled to the mount and configured to sense a level of ambient light. The external device additionally includes an external power source coupled to the mount and configured to (i) emit toward the eye non-visible light that is outside of 380-750 nm, and (ii) modulate the non-visible light based on the level of ambient light sensed by the sensor. Other application are also described.

Abstract: An external device is provided for use with an intraocular device configured to be implanted entirely in an eye of a subject. The external device includes a mount configured to be placed in front of the eye and a sensor coupled to the mount and configured to sense a level of ambient light. The external device additionally includes an external power source coupled to the mount and configured to (i) emit toward the eye non-visible light that is outside of 380-750 nm, and (ii) modulate the non-visible light based on the level of ambient light sensed by the sensor. Other application are also described.

Abstract: Apparatus is provided, including an external device, including a mount, placed in front of an eye, and a laser which emits toward the eye radiation that is outside of 380-750 nm. The apparatus additionally includes an intraocular device which is implanted entirely in the eye, and includes an energy receiver, a plurality of stimulating electrodes, a plurality of photosensors, and driving circuitry coupled to the energy receiver and to the photosensors, and configured to drive the electrodes to apply currents to a retina of the eye in response to the signals from the photosensors. The photosensors are (a) generally insensitive to the energy from the laser, and (b) generally sensitive to visible light. Other applications are also described.

Abstract: Apparatus is provided, including an external device, including a mount, placed in front of an eye, and a laser which emits toward the eye radiation that is outside of 380-750 nm. The apparatus additionally includes an intraocular device which is implanted entirely in the eye, and includes an energy receiver, a plurality of stimulating electrodes, a plurality of photosensors, and driving circuitry coupled to the energy receiver and to the photosensors, and configured to drive the electrodes to apply currents to a retina of the eye in response to the signals from the photosensors. The photosensors are (a) generally insensitive to the energy from the laser, and (b) generally sensitive to visible light. Other applications are also described.

Abstract: An external device (20) includes a mount (22), which is placed in front of a subject's eye. A laser (24) is coupled to the mount (22) and emits radiation (26) that is outside of 380-750 nm. A partially-transparent mirror (23) is coupled to the mount (22). An intraocular device (30) is implanted entirely in the subject's eye, and includes a plurality of stimulating electrodes (38), and an energy receiver (32), which receives the radiation (26) from the laser (24) and generates a voltage drop. A plurality of photosensors (34) detect photons (33) and generate a signal. Driving circuitry (36) is coupled to the energy receiver (32) and to the photosensors (34), and receives the signals from the photosensors (34) and utilizes the voltage drop to drive the electrodes (38) to apply currents to the retina in response to the signals from the photosensors (34). Other embodiments are also described.

Abstract: Apparatus for use with an external non-visible light source is provided. The apparatus comprises an intraocular device configured for implantation in a human eye, and comprising an energy receiver. The energy receiver is configured to receive light emitted from the external non-visible light source, and extract energy from the emitted light for powering the intraocular device. The intraocular device is configured to regulate a parameter of operation of the intraocular device based on a modulation of the light emitted by the external non-visible light source and received by the energy receiver. Other embodiments are also described.

Abstract: Apparatus for use with an external non-visible light source is provided. The apparatus comprises an intraocular device configured for implantation in a human eye, and comprising an energy receiver. The energy receiver is configured to receive light emitted from the external non-visible light source, and extract energy from the emitted light for powering the intraocular device. The intraocular device is configured to regulate a parameter of operation of the intraocular device based on a modulation of the light emitted by the external non-visible light source and received by the energy receiver. Other embodiments are also described.

Abstract: Apparatus for use with an external non-visible light source is provided. The apparatus comprises an intraocular device configured for implantation in a human eye, and comprising an energy receiver. The energy receiver is configured to receive light emitted from the external non-visible light source, and extract energy from the emitted light for powering the intraocular device. The intraocular device is configured to regulate a parameter of operation of the intraocular device based on a modulation of the light emitted by the external non-visible light source and received by the energy receiver. Other embodiments are also described.

Abstract: Apparatus for use with an external non-visible light source is provided. The apparatus comprises an intraocular device configured for implantation in a human eye, and comprising an energy receiver. The energy receiver is configured to receive light emitted from the external non-visible light source, and extract energy from the emitted light for powering the intraocular device. The intraocular device is configured to regulate a parameter of operation of the intraocular device based on a modulation of the light emitted by the external non-visible light source and received by the energy receiver. Other embodiments are also described.

Abstract: A method for measuring impedance of a tissue (20), consisting of charging a capacitor (C15) to a potential, and discharging the capacitor for a discharge period through the tissue. The method further consists of measuring a voltage drop on the capacitor over the discharge period and determining the impedance of the tissue responsive to the potential, the voltage drop, and the discharge period.

Abstract: Apparatus for use with an external non-visible light source is provided. The apparatus comprises an intraocular device configured for implantation in a human eye, and comprising an energy receiver. The energy receiver is configured to receive light emitted from the external non-visible light source, and extract energy from the emitted light for powering the intraocular device. The intraocular device is configured to regulate a parameter of operation of the intraocular device based on a modulation of the light emitted by the external non-visible light source and received by the energy receiver. Other embodiments are also described.

Abstract: Apparatus is provided, including an external device, including a mount, which is placed in front of an eye of a subject. A laser is coupled to the mount and configured to emit toward the eye radiation that is outside of 380-750 nm. A partially-transparent mirror is coupled to the mount. An intraocular device is implanted entirely in the subject's eye, and includes a plurality of stimulating electrodes, and an energy receiver, which receives the radiation from the laser and generates a voltage drop in response thereto. A plurality of photosensors detect photons and generate a signal in response thereto. Driving circuitry is coupled to the energy receiver and to the photosensors, and receives the signals from the photosensors and utilizes the voltage drop to drive the electrodes to apply currents to the retina in response to the signals from the photosensors. Other embodiments are also described.

Abstract: An external device (20) includes a mount (22), which is placed in front of a subject's eye. A laser (24) is coupled to the mount (22) and emits radiation (26) that is outside of 380-750 nm. A partially-transparent mirror (23) is coupled to the mount (22). An intraocular device (30) is implanted entirely in the subject's eye, and includes a plurality of stimulating electrodes (38), and an energy receiver (32), which receives the radiation (26) from the laser (24) and generates a voltage drop. A plurality of photosensors (34) detect photons (33) and generate a signal. Driving circuitry (36) is coupled to the energy receiver (32) and to the photosensors (34), and receives the signals from the photosensors (34) and utilizes the voltage drop to drive the electrodes (38) to apply currents to the retina in response to the signals from the photosensors (34). Other embodiments are also described.

Abstract: Apparatus for use with an external non-visible light source is provided. The apparatus comprises an intraocular device configured for implantation in a human eye, and comprising an energy receiver. The energy receiver is configured to receive light emitted from the external non-visible light source, and extract energy from the emitted light for powering the intraocular device. The intraocular device is configured to regulate a parameter of operation of the intraocular device based on a modulation of the light emitted by the external non-visible light source and received by the energy receiver. Other embodiments are also described.

Abstract: Apparatus is provided, including an external device, including a mount, which is placed in front of an eye of a subject. A laser is coupled to the mount and configured to emit toward the eye radiation that is outside of 380-750 nm. A partially-transparent mirror is coupled to the mount. An intraocular device is implanted entirely in the subject's eye, and includes a plurality of stimulating electrodes, and an energy receiver, which receives the radiation from the laser and generates a voltage drop in response thereto. A plurality of photosensors detect photons and generate a signal in response thereto. Driving circuitry is coupled to the energy receiver and to the photosensors, and receives the signals from the photosensors and utilizes the voltage drop to drive the electrodes to apply currents to the retina in response to the signals from the photosensors. Other embodiments are also described.

Abstract: A method for measuring impedance of a tissue (20), consisting of charging a capacitor (C15) to a potential, and discharging the capacitor for a discharge period through the tissue. The method further consists of measuring a voltage drop on the capacitor over the discharge period and determining the impedance of the tissue responsive to the potential, the voltage drop, and the discharge period.

Abstract: Pressure-measuring apparatus is provided, including a battery and a pressure transducer. The pressure transducer is adapted to be placed in a patient, and has a characteristic mechanical response bandwidth f, and a corresponding mechanical response period p equal to 1/f. A control unit is adapted to actuate the battery to drive current through the pressure transducer for a current-driving time period less than 0.5 p, and to sense an electrical characteristic of the pressure transducer during the current-driving time period.