Abstract: An electronic apparatus connectable to an external electronic apparatus and storing at least one power supply for operating the external electronic apparatus includes a connection interface that is connected to the external electronic apparatus, and at least one processor configured to control the electronic apparatus. Power of the at least one power supply is supplied to the external electronic apparatus via the connection interface. The at least one processor controls the external electronic apparatus by using power received from the external electronic apparatus via the connection interface.

Abstract: An imaging apparatus that can be mounted with at least one battery, for capturing an object image to generate image data, includes: an operation member configured to receive an operation of a user; a display configured to display information on a setting of the imaging apparatus; and a processor configured to control the display based on a user operation input to the operation member, wherein the imaging apparatus has a plurality of functions to be executed using power of the battery, and the processor causes the display to display attention information indicating whether the plurality of functions include an inexecutable function due to an insufficient remaining capacity of the battery, when a predetermined operation is input to the operation member in a state where the plurality of functions are not executed.

Abstract: An imaging device is capable of interval shooting that allows images to be consecutively captured at predetermined image-capture intervals. The imaging device includes power input unit through which the imaging device receives power from an external device; battery configured to be charged with power received via the power input unit, and to supply power to operate the imaging device; and charge controller configured to control charging of the battery. Charge controller prohibits, under a predetermined condition, charging of the battery during the interval shooting performed by the imaging device.

Abstract: Methods, compositions and systems are provided for the imaging of cavity/tissue lesions, including without limitation cavity/tissue malignant lesions, e.g. cancers of the skin, mouth, colon, digestive system cervix, bladder, lung, etc.

Abstract: A lighting device that is capable of discriminating a type of an external power source device connected from among types of connectable devices without increasing the number of terminals of a connector. A connector is electrically connectable to an external power source device and includes a first terminal for supplying electric power from the external power source device to a main capacitor and a second terminal for discriminating a type of the external power source device. An obtaining unit obtains the information for discriminating the type of the external power source device by comparing a voltage value of a signal input to the second terminal from the external power source device with a predetermined voltage threshold when an attribute of the second terminal is set to an input. A discrimination unit discriminates the type of the external power source device by contrasting the information obtained with information stored.

Abstract: A method of capturing an image includes reducing a resolution of the image to be captured by an image sensor of an electronic device to a low power reduced resolution if a checked battery level of the electronic device is less than a battery threshold level. A live preview of the image to be captured by the image sensor on a display of the electronic device is disabled if the battery level of the electronic device is less than a battery threshold level. The image is captured at the low power reduced resolution of the image sensor if the battery level of the electronic device is less than the battery threshold level. A low power feedback notification is provided from the electronic device without displaying the captured image after the image is captured if the battery level of the electronic device is less than the battery threshold level.

Abstract: A first lens unit performing communication with an image pickup apparatus with a first voltage and a second lens unit performing communication with the image pickup apparatus with a second voltage are selectively attached to the image pickup apparatus. The image pickup apparatus includes a controller configured to operate with a third voltage different from at least one of the first and second voltages to output a signal for the communication with the first and second lens units, and a determiner configured to determine the type of the lens unit attached to the image pickup apparatus. The controller is configured to produce, as a voltage of the signal for the communication, from the third voltage, one of the first and second voltages corresponding to a determination result of the determiner.

Abstract: A first lens unit performing communication with an image pickup apparatus with a first voltage and a second lens unit performing communication with the image pickup apparatus with a second voltage are selectively attached to the image pickup apparatus. The image pickup apparatus includes a controller configured to operate with a third voltage different from at least one of the first and second voltages to output a signal for the communication with the first and second lens units, and a determiner configured to determine the type of the lens unit attached to the image pickup apparatus. The controller is configured to produce, as a voltage of the signal for the communication, from the third voltage, one of the first and second voltages corresponding to a determination result of the determiner.

Abstract: A recording/reproducing apparatus includes an operating section having dual functions depending on being in an image capture mode or in a reproduction mode respectively. While one of the recording mode and the reproduction mode is being carried out, in response to start of the other mode, a controlling function of the operating section is switched to the function of the other mode, and in response to the completion of the other mode, the function of the operating section is switched to the function of the one mode.

Abstract: A control device includes a sensor, an analysis unit, and a control unit. The sensor includes a stationary member and a rotatable member. The stationary member includes a first electrode and at least two second electrodes. The rotatable member includes a third electrode and a fourth electrode. The first electrode electrically contacts the third electrode and each second electrode electrically contacts the fourth electrode in sequence when the stationary member is rotated. The analysis unit is configured for determining which second electrode electrically contacts the fourth electrode. The control unit is configured for executing a corresponding command based upon the determination of the analysis unit.

Abstract: A sequential shooting controller includes both high and low load drive modes, and first and second power-voltage detectors. The high/low load drive modes drive a device under high/low loads. The first power-voltage detector detects a power-voltage by connecting a load. The second power-voltage detector detects the voltage across the device. The first power-voltage detector is actuated at the beginning of sequential shooting before a first image capturing operation starts. The high load image capturing operation starts when the voltage detected by the first power-voltage detector is higher than a first threshold. The low load image capturing operation starts when the voltage detected by the first power-voltage detector is lower than the first threshold. The second power-voltage detector is driven during a high load image capturing operation. The second power-voltage detector is disabled during a low load image capturing operation.

Abstract: The present invention is a lightweight, cordless security camera comprising a lightweight stand or tripod, a video camera with pan, tilt, and zoom articulation and an audio microphone, a wireless networking interface enabling wireless access to the camera controls, video, and audio data streams, an antenna enabling transmission and reception of the aforementioned data via the aforementioned wireless networking interface, and a lightweight, battery power supply providing power to the video camera and wireless networking system. The lightweight, battery power supply includes one or more quickly coupled and uncoupled lightweight batteries which can be easily and quickly interchanged to provide continuous power to the security camera. This enables security forces such as police and military forces to safely and continuously monitor and surveil areas including crime scenes and combat theaters.

Abstract: A digital camera has a battery that supplies electric power, a battery level detector, a time detector, a remaining voltage calculator, and a boot controller. When the digital camera is turned off, the battery level detector detects a remaining voltage level of the battery. When the digital camera is turned on, the time detector detects an elapsed time from the last electric power OFF operation to the current electric power ON operation, namely, a time period in which the camera is in the OFF state. Further, when the digital camera is turned on, the remaining voltage calculator calculates a remaining voltage-level of the battery on the basis of the detected elapsed time, the last detected remaining voltage level, and the discharge characteristic of the battery. Then, the boot controller allows the digital camera to boot if the calculated remaining voltage level is larger than a limited voltage necessary to boot the digital camera.

Abstract: A recording/reproducing apparatus includes an operating section having dual functions depending on being in an image capture mode or in a reproduction mode respectively. While one of the recording mode and the reproduction mode is being carried out, in response to start of the other mode, a controlling function of the operating section is switched to the function of the other mode, and in response to the completion of the other mode, the function of the operating section is switched to the function of the one mode.

Abstract: A camera system includes a video camera having a first mating mechanism defined on a bottom, planar surface of the video camera. A battery assembly contains an energy cell and a first surface of the battery assembly is releasably engageable with the mounting mechanism such that the battery assembly is suspended beneath the video camera, with the bottom, planar surface of the video camera in substantial contact with the first surface. A support apparatus having a second mating mechanism is also provided, the second mating mechanism releasably engaging a second surface of the battery assembly.

Abstract: An imaging system, comprising a battery checker, an anti-shake controller, and an image processor, is provided. The imaging system is able to carry out mechanical and electronic anti-shake functions. The battery checker detects available charge of a battery. The anti-shake controller orders the mechanical anti-shake function to be carried out if the available charge is greater than a first threshold value. The anti-shake controller orders the electronic anti-shake function to be carried out if the available charge is less than the first threshold value. The image processor treats an image captured in a second area in the imaging area as a captured moving image while the mechanical anti-shake function is carried out. The size of the second area is second size, which is determined according to the available charge.

Abstract: A camera system includes a video camera having a first mating mechanism defined on a bottom, planar surface of the video camera. A battery assembly contains an energy cell and a first surface of the battery assembly is releasably engageable with the mounting mechanism such that the battery assembly is suspended beneath the video camera, with the bottom, planar surface of the video camera in substantial contact with the first surface. A support apparatus having a second mating mechanism is also provided, the second mating mechanism releasably engaging a second surface of the battery assembly.

Abstract: The object of the present invention is to enable reliable supply of oxygen which is necessary for a fuel cell to generate electric power, to the fuel cell. In a camera, air orifices for linking the space inside a cell compartment with the outside of a casing are disposed in a position other than the portion (grip portion) which is held by a user, in the vicinity of the center of the front surface of the casing, that is, in the vicinity of a lens-barrel, and a concave-convex portion serving as an air orifice guard is formed at the side opposite to that where the lens-barrel is disposed with respect to the air orifices. As a result, even when the user takes a picture of an object by holding the camera with his/her own hand, the air orifices are prevented from being closed by the user's hand, oxygen (air) can be constantly supplied to the fuel cell accommodated inside the cell compartment, and the fuel cell can continuously generate a sufficient quantity of electricity.

Abstract: In a device combination system of the present invention, END setting parameters are read from a main body. A power supply converter and END setting parameters are obtained from a camera head and a battery. An END setting value is set according to these END parameters. A CPU determines whether or not the battery being mounted is in an unusable state that it is exhausted to a dead level. With the above arrangement, there is provided a device combination system in which a battery check function provided in a power supply device works normally regardless of a type of a device mounted on the power supply device.

Abstract: An image pickup apparatus has a display unit which is movably coupled with an apparatus main body 1 through coupling portion 5. The display unit has fastening members 21 and 22 for fixing exterior members 3 and 4 of a casing 2 of the display unit. The apparatus main body 1 has a concave portion 8 into which predetermined portions of the exterior members 3 and 4 can be loosely inserted. A movable range of the display unit is widened by the concave portion 8, thereby enabling the fastening members 21 and 22 to be operated. Thus, the image pickup apparatus and an electronic apparatus in which handling performance including a disassembling work and the like of the display unit can be improved are provided.

Abstract: A battery pack that includes a data storage unit capable of storing data processed with an electronic device and a data control unit for controlling reading, writing, deleting, and duplicating of data in the data storing unit. A data communication unit for transmitting and receiving data controlled by the data control unit. A charger includes a data communication unit for transmitting and receiving data with the battery pack via a communication terminal and a data operating unit for sending control signals instructing data reading, writing, deleting, and duplicating of data in the data storage unit of the battery pack via the data communication unit. A data reproducing unit for reproducing the data obtained via the data communication unit. This provides a simple battery pack which can record data handled by an electronic device to which the battery pack is mounted, and a charger enabling easy operating of the recorded data.

Abstract: An image-taking apparatus includes an image-taking system for obtaining an image of a subject, the image-taking system including a lens and an image pickup device, a battery loading part, into which a battery is loaded, the battery loading part being arranged in a place not to overlap said image-taking system in a direction of a thickness of said image-taking apparatus, a first substrate having a digital circuit, and a second substrate having an analog circuit, wherein the first and second substrates are arranged at both sides of the battery loading part in said direction of a thickness.

Abstract: In one aspect of the invention, a camera for use with a power supply is provided. The camera has a voltage detecting circuit adapted to detect a voltage level at the power source and to generate a voltage level signal. An image capture system is also provided and performs a set of image capture operations. A controller receives the voltage level signal and prevents the image capture system from capturing an image when the voltage level signal indicates that there is insufficient power available in the power supply to perform all of operation in the set of image capture operations.

Abstract: There is disclosed an image processing apparatus in which a system control circuit (50) monitors the power source voltage when data write access to a recording medium (200) occurs, and cuts off power supply to an image display unit (28) when the power source voltage becomes smaller than a predetermined value L2, so as to reduce write errors of data to be written resulting from a power source voltage drop, a control method of the image processing apparatus, and a storage medium.

Abstract: A flash apparatus operates on power supplied from internal batteries and an external battery in an auxiliary battery apparatus. A battery check is executed by detecting the charge speed at which a main capacitor is charged and comparing the charge speed with a threshold value. The threshold value is set higher when the auxiliary battery apparatus is mounted than the threshold value set when the auxiliary battery apparatus is not mounted. Thus, an accurate battery check reflecting the presence/absence of the auxiliary battery apparatus can be achieved.

Abstract: In one aspect of the invention, a camera for use with a power supply is provided. The camera has a voltage detecting circuit adapted to detect a voltage level at the power source and to generate a voltage level signal. An image capture system is also provided and performs a set of image capture operations. A controller receives the voltage level signal and prevents the image capture system from capturing an image when the voltage level signal indicates that there is insufficient power available in the power supply to perform all of operation in the set of image capture operations.

Abstract: An electric power control device for a camera is provided. The electric power control device includes an electric power source, a monitoring processor, a detecting processor and a control processor in a camera body. The electric power source provides power to an accessory, such as a photographing lens that can be attached to the camera body. The monitoring processor monitors the electric power and the detecting processor detects whether the electric power is abnormal based on a signal from the monitoring processor.

Abstract: There is described a battery storing apparatus for storing two or more types of batteries and easily distinguishing the type of the battery, and an electronic equipment and a digital camera having it. The battery storing apparatus includes a battery storing section being capable of storing more than two types of batteries; a cover member, being capable of opening and closing, to cover the battery storing section; an anode terminal and a cathode terminal, which are provided in an inner side of the battery storing section; a battery contact piece equipped at the cover member and disposed opposite the anode terminal and the cathode terminal; and a battery-type distinguishing section to distinguish a type of the battery by detecting a voltage applied to the battery contact piece through means for electronically connecting with the battery contact piece.

Abstract: A charging circuit detects a battery voltage Vp and a charging voltage of a main condenser. When a charge of the condenser is instructed, if the battery voltage is smaller than prescribed value Vpo, the charge is performed in a single control mode. And then, when the charging voltage of the main condenser is larger than a prescribed value Vco, the mode is changed to a push-pull control mode from the single control mode. When the charge of the condenser is instructed, if the battery voltage is larger than prescribed value Vpo, the charge is performed in a push-poll control mode independent of the charging voltage.

Abstract: A camera uses a film cartridge having a light-shielding door for opening/closing a film inlet and outlet opening. A cartridge chamber accommodates the film cartridge. A cartridge chamber lid is provided at the opening of the cartridge chamber. A first driving mechanism drives the cartridge chamber lid. A second driving mechanism drives the light-shielding door. A control section controls the second driving mechanism to maintain the light-shielding door in an opened state when it is not possible to take out the film cartridge from the cartridge chamber.

Abstract: In a camera having an LCD and a clock device, a power source consists of a battery and a booster circuit. When a power switch button is pressed, the camera moves to an ON mode including a drive mode and a standby mode. In the drive mode, the booster circuit is continuously turned on to supply voltage of a predetermined high level. In the standby mode, the booster circuit is intermittently turned on to output voltage of between the predetermined high level and a minimum display voltage level that is necessary for the LCD to keep its display density in a proper range. The booster circuit is normally turned off in an OFF mode. But if the battery voltage goes below a reset level below which a clock device of the camera cannot work, the booster circuit is intermittently turned on in the OFF mode, to boost the battery voltage up above the reset level and drive the clock device by the output voltage of the booster circuit.

Abstract: A capacitor charging apparatus includes a DC/DC converter for stepping up the voltage of a battery and charging the capacitor; a detection circuit that determines whether a primary current of the DC/DC converter reaches a predetermined limit current; a control circuit that controls the DC/DC converter according to a detection signal received from the detection circuit; and a battery-information detection circuit that detects battery information of the battery. The control circuit performs a predetermined calculation using the battery information received from the battery-information detection circuit to determine the predetermined limit current and to vary the primary current of the DC/DC converter so as to control the DC/DC converter each time the capacitor is charged by the DC/DC converter.

Abstract: An electric power control device comprises a camera body, and a photographing lens, which can be attached to and detached from the camera body. An electric power source is provided in the camera body to supply electric power to the photographing lens through a first MOSFET. The electric power is monitored through a second MOSFET and a pull-up resistor, so that it can be determined whether the electric power is being normally supplied. When the electric power supply is abnormal, the first MOSFET is turned OFF, so that the electric power supply is stopped.

Abstract: A data-imprinting apparatus for preventing the imprinting of incorrect dates in a lens-equipped film unit that lacks a monitor display unit for the confirmation of the date display. The lens-equipped film unit 1 contains a built-in data module 27 that lacks an external display unit that allows the confirmation of the date display from the outside. The data module 27 contains a transmission-type liquid crystal display unit 45 that automatically updates and displays dates based upon a pre-stored calendar. In the liquid crystal display unit 45, external light enters from the light collection window 15 on the front cover 12, thus creating a beam of data light. The data light, acting in concert with the shutter release operation, is guided into a dark box. The image-forming optical system that is provided in the dark box forms an image of the data light on a part of the photographic film.

Abstract: An auxiliary drive system controls an actuator to force movable members such as shutter blades of a power-driven shutter system to cause predetermined movement so as thereby to run in the movable members when the the power-driven apparatus is loaded with a battery as a power source, when the power-driven apparatus is powered on or when a predetermined time has passed since the last operation of the movable members.

Abstract: In a camera having an LCD and a clock device, a power source consists of a battery and a booster circuit. When a power switch button is pressed, the camera moves to an ON mode including a drive mode and a standby mode. In the drive mode, the booster circuit is continuously turned on to supply voltage of a predetermined high level. In the standby mode, the booster circuit is intermittently turned on to output voltage of between the predetermined high level and a minimum display voltage level that is necessary for the LCD to keep its display density in a proper range. The booster circuit is normally turned off in an OFF mode. But if the battery voltage goes below a reset level below which a clock device of the camera cannot work, the booster circuit is intermittently turned on in the OFF mode, to boost the battery voltage up above the reset level and drive the clock device by the output voltage of the booster circuit.

Abstract: A shutter control apparatus is constructed for executing an exposure operation of a camera to photograph an object by controlling an actuator which drives a shutter blade to be opened and closed. In the shutter control apparatus, a battery supplies a power supply voltage. A detection circuit detects a variation occurring in the power supply voltage. A drive circuit directly uses the power supply voltage to feed a power to the actuator. The drive circuit switches between an open power for opening the shutter blade and a closing power for closing the shutter blade. A control circuit controls the drive circuit by setting a timing for switching to the closing power in accordance with at least a brightness of an object. The control circuit corrects the timing for switching to the closing power in accordance with the variation of the power supply voltage detected by the detection circuit.

Abstract: The present invention provides a user-friendly camera having a silver-salt picture-taking function and an electronic-image pickup function. The camera includes a silver-salt picture-taking unit and an electronic-image pickup unit. The electronic-image pickup unit picks up an electronic image, which is almost equivalent to a subject image exposed to a silver-salt film, in synchronization with the exposure to the silver-salt film in the silver-salt picture-taking unit. Prior to the exposure, a control circuit causes a battery check circuit to check a power supply battery and causes a determination circuit to determine a result of the battery check while referring to a determination-level storage circuit, thereby properly controlling the silver-salt picture-taking unit and the electronic-image pickup unit so as to prevent the electronic-image pickup unit from performing its pickup operation in the subsequent picture-taking operations.

Abstract: A magnetic recording and regenerating unit for photographic film and a camera, which feed photographic film coated with a magnetic recording layer, records magnetic information in the magnetic recording layer, and regenerates magnetic information from the magnetic recording layer. In the magnetic recording and regenerating unit for a camera, the number of turns of a coil wound around a core included in a magnetic head is small. Thus, one magnetic head is able to record and regenerate magnetic information. The number of turns of the coil is determined so as to output a regenerated waveform which does not enable reading of the magnetic information but permits determination of whether any magnetic information is recorded or not. Whether any magnetic information is recorded or not is determined based on the output voltage from a smoothing circuit, a peak hold circuit, etc. which receive signals output from the magnetic head via an amplifier.

Abstract: A camera that includes a battery, a photoflash circuit, and a charging circuit to provide energy from the battery to the photoflash circuit is provided. The camera further includes a voltage monitor coupled to the battery to switch off the battery from the charging circuit when a voltage on the battery falls below a predetermined voltage value. The camera may also include a current monitor, coupled to the battery, to switch off the battery from the charging circuit when a current generated through the battery exceeds a predetermined current value.

Abstract: A magnetic recording and Regenerating unit for photographic film and a camera, which feed photographic film coated with a magnetic recording layer, records magnetic information in the magnetic recording layer, and regenerates magnetic information from the magnetic recording layer. In the magnetic recording and regenerating unit for a camera, the number of turns of a coil wound around a core included in a magnetic head is small. Thus, one magnetic head is able to record and regenerate magnetic information. The number of turns of the coil is determined so as to output a regenerated waveform which does not enable reading of the magnetic information but permits determination of whether any magnetic information is recorded or not. Whether any magnetic information is recorded or not is determined based on the output voltage from a smoothing circuit, a peak hold circuit, etc. which receive signals output from the magnetic head via an amplifier.

Abstract: In a method for loading a camera frame assembly having an flash circuit powered by a battery, a battery is placed in a battery compartment of a camera frame assembly. Film is scrolled in the camera frame assembly. The scrolling generates a static charge on the camera frame assembly. The static charge is dissipated. During the scrolling and dissipating, the battery is retained within the battery compartment, but is isolated from the flash circuit. Following the dissipating, electrically conductive contact is established between the battery and the flash circuit.

Abstract: A camera which determines whether a film cartridge loaded in the camera is a partial cartridge, containing photographic film having an exposed frame and an unexposed frame, or not, and feeds the photographic film from the loaded film cartridge up to a first unexposed frame if determining that the loaded film cartridge is a partial cartridge, the camera includes a first battery checking unit defined by a first determination means for determining whether voltage of a battery in the camera is more than a first threshold level, and first prohibiting means for prohibiting photographing if the loaded film cartridge is not determined as being the partial cartridge and determining, the first determination means determines that the voltage of the battery is less than the first threshold level.

Abstract: A lens barrier apparatus includes a lens barrier having opened and closed positions, The lens barrier is positioned on the front face of a lens barrel and protects a camera lens. A motor which drives the opening/closing of the lens barrier and an encoder outputs a predetermined signal together with the rotation of the motor. A drive control when a battery is loaded in the camera, drives the motor in a direction in which the lens barrier is closed and, when the predetermined signal is not output from the encoder during the driving process, drives the motor in a direction in which the lens barrier is opened and then drives the motor in the direction in which the lens barrier is closed again.

Abstract: In a photointerrupter comprising a light emitting diode and a photo transistor which are opposed to each other, the photo transistor has an emitter which is grounded through a resistor while the light emitting diode has a cathode which is connected to an input terminal of a one IC chip for controlling a flexible disk drive. The one IC chip incorporates a constant current source which is connected to the input terminal through an npn-type bipolar transistor. The one IC chip incorporates a logic circuit having an output terminal which is connected to a base of the npn-type bipolar transistor.

Abstract: Disclosed is a battery residual-power checking apparatus including: a detecting device for detecting a type of battery accommodated in a camera a battery from a plurality of battery types prepared in advance; a load applying device for applying a load to the detected battery, a magnitude of the load being determined in advance in accordance with the type of the detected battery; a voltage measuring device for measuring an output voltage of the detected battery while the load applying device applies the load to the detected battery; and a battery residual-power determining device for determining the remaining power of the detected battery in accordance with the output voltage measured by the voltage measuring device and the type of the detected battery.

Abstract: A motor drive device capable of being connected with a camera body includes a communication line for communicating information on an operation mode of the motor drive device from the camera body to the motor drive device, a switch connected in series with the communication line and arranged to be closed when a battery connected to the motor drive device is a specific type of battery, and a control circuit which controls the motor drive device to operate in an operation mode based on the information on the operation mode communicated from the camera body when the switch is closed and to operate in a predetermined operation mode when the switch is opened.

Abstract: A camera operating from a secondary battery has a camera body, a unit including a taking lens, and a secondary battery incorporated in the unit. The secondary battery is charged by being supplied with electric power from the camera body. The unit is a lens barrel.

Abstract: In a camera system composed of a camera capable of containing a battery therein and an accessory capable of being detachably mounted on the camera and being supplied with electric power from the camera, communication is possible between the camera and the accessory, and the accessory, upon receiving an instruction from the camera, performs an operation according to the received instruction. The camera system is provided with a circuit which sends an instruction designating a value corresponding to electric power usable by the accessory from the camera to the accessory, to decide a working power or voltage usable in the accessory.

Abstract: A camera including a battery check device, having a plurality of battery check levels, to inactivate auxiliary devices of the camera according to a detected battery voltage level, and to modify the battery check level depending on the auxiliary devices used for taking photographs. The remaining capacity of the battery is detected and compared with the plurality of battery check levels and the activation of the plurality of devices is prohibited in a specified order, for example, in order of lower priority, or in order of larger power consumption, as the detected value of the remaining battery capacity decreases. The battery check level can be modified based on the auxiliary devices which are inactivated by an operator. A photographic operation can be continued without missing a shutter opportunity as long as a sufficient battery capacity remains to activate the devices necessary for taking photographs.