JP2006254011A - Photographing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a photographing device for preventing system down at the time of starting in a photographing device with a built-in hard disk drive about the photographing device for generating and recording an image signal representing an object in accordance with a photographing operation. <P>SOLUTION: Respective operations of a lens barrel driving operation (step S11), a magnetic disk rotation operation (step S12) and a main capacitor charging operation (step S13) which respectively consume a large amount of power are temporally, exclusively, and sequentially carried out. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a photographing apparatus that generates and records an image signal representing a subject in accordance with a photographing operation.

  2. Description of the Related Art Conventionally, a photographing apparatus such as a digital camera that captures image data representing an object by forming an image of the object on an image sensor is known. Recording media used in such a photographing apparatus include SmartMedia (registered trademark), xD-Picture Card (registered trademark), SD memory card (registered trademark), CompactFlash (registered trademark), Memory Stick (registered trademark), and the like. Various memory cards are commercially available from various companies, and image data representing a subject is recorded on the loaded memory card by shooting with a predetermined memory card loaded in the photographing apparatus.

In recent years, digital cameras capable of obtaining high-quality still images have become widespread, and when recording high-quality still images with such digital cameras, the data size of each image data is increased. Therefore, there is a demand for a recording medium having a larger capacity than that of the memory card described above. As a large-capacity recording medium used in the photographing apparatus, for example, a hard disk device represented by a microdrive is known (for example, refer to Patent Document 1).
JP 2004-187057 A

  Here, the photographing device includes a photographing device including a retractable lens barrel that is ready to be photographed when extended, and a light emitting unit that emits a flash upon receiving the power stored in the main capacitor. There is also a photographing apparatus. When the power supply button of such a photographing apparatus is operated to start up the photographing apparatus, the lens barrel is extended and the main capacitor is charged.

  Further, the hard disk device incorporated in the photographing apparatus proposed in Patent Document 1 described above incorporates a magnetic disk that is a recording medium, and this magnetic disk is rotated by a motor to perform data recording and data reproduction. Done. Therefore, when the start-up process of the photographing apparatus proposed in Patent Document 1 is started, the magnetic disk is rotated at a predetermined rotational speed.

  Generally, a battery is loaded in a photographing apparatus typified by a digital camera, and the photographing apparatus operates with power supplied from the loaded battery. The lens barrel extension operation, the main capacitor charging operation, and the magnetic disk rotation operation described above are operations that consume a large amount of power. May be impossible.

  SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a photographing apparatus that avoids a system down at the start-up of a photographing apparatus with a built-in hard disk device.

The first photographing device of the photographing device of the present invention that achieves the above object is
In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A retractable lens barrel that is ready to shoot when extended,
A lens barrel driving unit that receives power supply from the battery and drives the lens barrel;
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive that receives power from the battery and rotates the magnetic disk at a predetermined rotational speed;
A light emitting unit that emits a flash in response to the supply of power stored in the main capacitor;
A capacitor charging unit that receives power from the battery and charges the main capacitor;
A processing device that sequentially and temporally executes each of the lens barrel driving operation by the lens barrel driving unit, the magnetic disk rotating operation by the magnetic disk driving unit, and the main capacitor charging operation by the capacitor charging unit. It is characterized by comprising.

  The first imaging device of the imaging device according to the present invention performs each of the lens barrel driving operation, the magnetic disk rotating operation, and the main capacitor charging operation, each of which consumes a large amount of power. Since the processes are executed sequentially and exclusively in terms of time, it is possible to prevent the first photographing apparatus from going down during startup.

Moreover, the 2nd imaging device of the imaging devices of this invention which achieve the said objective is
In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A retractable lens barrel that is ready to shoot when extended,
A lens barrel driving unit that receives power supply from the battery and drives the lens barrel;
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive that receives power from the battery and rotates the magnetic disk at a predetermined rotational speed;
And a processing device that sequentially and temporally executes each of the lens barrel driving operation by the lens barrel driving unit and the magnetic disk rotating operation by the magnetic disk driving unit.

  The second imaging device of the imaging device of the present invention exclusively performs temporally the operations of the lens barrel driving operation and the magnetic disk rotation operation, each of which consumes a large amount of power. Since they are executed sequentially, it is avoided that the second photographing apparatus goes down at the time of activation.

Moreover, the 3rd imaging device of the imaging devices of this invention which achieve the said objective is
In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive that receives power from the battery and rotates the magnetic disk at a predetermined rotational speed;
A light emitting unit that emits a flash in response to the supply of power stored in the main capacitor;
A capacitor charging unit that receives power from the battery and charges the main capacitor;
And a processing device that sequentially and temporally executes each of a magnetic disk rotating operation by the magnetic disk driving unit and a main capacitor charging operation by the capacitor charging unit.

  The third imaging apparatus of the imaging apparatus according to the present invention sequentially and temporally exclusively performs each of the magnetic disk rotating operation and the main capacitor charging operation, each of which consumes a large amount of power. Since it is to be executed, it is avoided that the third photographing apparatus goes down at startup.

Moreover, the 4th imaging device of the imaging devices of this invention which achieve the said objective is
In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A retractable lens barrel that is ready to shoot when extended,
A lens barrel driving unit that receives power supply from the battery and drives the lens barrel;
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive that receives power from the battery and rotates the magnetic disk at a predetermined rotational speed;
A light emitting unit that emits a flash in response to the supply of power stored in the main capacitor;
A capacitor charging unit that receives power from the battery and charges the main capacitor;
A voltage measuring unit for measuring the voltage of the battery;
Execution of any one of a lens barrel driving operation by the lens barrel driving unit, a magnetic disk rotating operation by the magnetic disk driving unit, and a main capacitor charging operation by the capacitor charging unit is started, and the voltage When the voltage measured by the measurement unit is executed and the voltage measured by the voltage measurement unit is equal to or higher than a predetermined voltage, a processing device that executes another operation in parallel with the operation being executed is provided. It is characterized by having.

  A fourth imaging device of the imaging device according to the present invention is any one of the lens barrel driving operation, the magnetic disk rotating operation, and the main capacitor charging operation, each of which consumes a large amount of power. The execution of one operation is started and the voltage of the battery is measured. When the measured voltage is equal to or higher than a predetermined voltage, another operation is executed in parallel with the operation being executed. Therefore, it is possible to prevent the fourth photographing apparatus from going down when starting up. When the measured voltage is equal to or higher than the predetermined voltage, the fourth imaging device can be activated in a shorter time than an imaging device that always executes each operation exclusively in time.

Moreover, the 5th imaging device of the imaging devices of this invention which achieve the said objective is
In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A retractable lens barrel that is ready to shoot when extended,
A lens barrel driving unit that receives power supply from the battery and drives the lens barrel;
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive that receives power from the battery and rotates the magnetic disk at a predetermined rotational speed;
A voltage measuring unit for measuring the voltage of the battery;
Start the execution of any one of the lens barrel driving operation by the lens barrel driving unit and the magnetic disk rotating operation by the magnetic disk driving unit, and measure the voltage by the voltage measuring unit, When the voltage measured by the voltage measurement unit is equal to or higher than a predetermined voltage, a processing device is provided that performs the other operation in parallel with the operation being performed.

  A fifth imaging device of the imaging device according to the present invention executes any one of the lens barrel driving operation and the magnetic disk rotating operation, each of which consumes a large amount of power. The battery voltage measurement is started, and when the measured voltage is equal to or higher than the predetermined voltage, the other operation is executed in parallel with the operation being executed. Thus, it is avoided that the image taking apparatus 5 is down. When the measured voltage is equal to or higher than the predetermined voltage, the fifth imaging device can be activated in a shorter time than the imaging device that always executes each operation exclusively in time.

Moreover, the 6th imaging device of the imaging devices of this invention which achieve the said objective is
In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive that receives power from the battery and rotates the magnetic disk at a predetermined rotational speed;
A light emitting unit that emits a flash in response to the supply of power stored in the main capacitor;
A capacitor charging unit that receives power from the battery and charges the main capacitor;
A voltage measuring unit for measuring the voltage of the battery;
Starting the execution of one of the magnetic disk rotating operation by the magnetic disk driving unit and the main capacitor charging operation by the capacitor charging unit, and measuring the voltage by the voltage measuring unit, and measuring the voltage And a processing device that executes the other operation in parallel with the operation being executed when the voltage measured by the unit is equal to or higher than a predetermined voltage.

  The sixth imaging device of the imaging device according to the present invention starts executing one of the magnetic disk rotating operation and the main capacitor charging operation, each of which consumes a large amount of power. Then, the battery voltage is measured, and when the measured voltage is equal to or higher than the predetermined voltage, the other operation is performed in parallel with the operation being performed. It is avoided that the photographing apparatus of the system goes down. When the measured voltage is equal to or higher than the predetermined voltage, the sixth imaging device can be activated in a shorter time than the imaging device that always executes each operation exclusively in time.

  According to the present invention, there is provided a photographing apparatus that avoids a system down at the time of activation in a photographing apparatus having a built-in hard disk device.

  Embodiments of the present invention will be described below with reference to the drawings.

  Here, the present invention operates by receiving power from a loaded secondary battery, and forms an image of a subject on an imaging device (here, Charge Coupled Device: CCD), and the subject is captured. An embodiment applied to a digital camera that captures captured image data to be represented will be described. This digital camera is a digital camera having a retractable lens barrel that advances and retracts in the direction of the optical axis with respect to the digital camera body. The lens barrel is extended when shooting, and the lens barrel is not used when shooting. This is a digital camera that is further retracted from the focal length region of the lens and the lens tip does not protrude from the digital camera body.

  FIG. 1 is an external perspective view showing a retracted state in which a lens barrel is housed in a camera body, which is a digital camera to which the first embodiment of the photographing apparatus of the present invention is applied, and FIG. FIG. 2 is a perspective view showing the extended state in which the lens barrel is extended in the digital camera shown in FIG.

  As shown in FIGS. 1 and 2, a lens mirror that includes a photographing lens 101 a that includes a zoom lens, a focus lens that focuses on a subject, and the like in the center of the front surface of the digital camera 100. A body 101 is provided. This lens barrel 101 corresponds to an example of a lens barrel according to the present invention. In addition, an optical viewfinder objective window 102 that the photographer peeks at in order to determine the position of the subject and a flash light emitting device 103 that emits light in synchronization with pressing of the shutter release button 105 are provided at the upper front of the digital camera 100. It has been. Furthermore, a slide-type power button 104 and a shutter release button 105 that is pressed during shooting are provided on the upper surface of the digital camera 100. The shutter release button 105 can be pressed in two stages of half-press and full-press, and a motor attached to the focus lens in the photographic lens 101a is driven in the optical axis direction to focus on the central region of the photographic field angle. When focusing by the focus function is continuously performed and the shutter release button 105 is half-pressed, a focus lock is set to fix the position of the focus lens to the position at the time when the shutter release button 105 is half-pressed. When fully pressed, the shutter is released and actual shooting is performed. Inside the digital camera 100, a CCD 113 (see FIG. 4) arranged on the back surface of the photographing lens 101a is provided. The subject light that has passed through the photographing lens 101a is incident on the CCD 113 and converted into an analog image signal that is an electrical signal.

  FIG. 3 is an external perspective view of the digital camera shown in FIGS.

  As shown in FIG. 3, on the back of the digital camera 100, an optical viewfinder eyepiece window 106, a menu button 1071, a screen switching button 1072, and a zoom operation key 1073 including an operation unit 1073a and an operation unit 1073b are provided. A cross key 1074 for performing various selection operations, an execution button 1075 for confirming settings changed by various operations, and a liquid crystal display (LCD) panel 108 for displaying images and menus are provided. When one operation unit 1073a of the zoom operation key 1073 is pressed, the lens barrel 101 moves from the retracted state to the maximum extended state while the button is being pressed, and the other operation unit 1073b of the zoom operation key 1073 is pressed. Then, the lens barrel 101 moves from the extended state toward the retracted state while continuing to push.

  FIG. 4 is a block diagram of the digital camera 100 shown in FIGS. Each arrow shown in FIG. 4 represents a control line.

  The digital camera 100 includes an optical system 110, an optical system drive unit 120, an image signal processing unit 130, a CPU 140, an operation unit 141, a capacitor charging control unit 142, a flash light emitting device 143, a power supply control unit 144, a secondary battery 145, and a memory. An I / F 151, a ROM 152, a RAM 153, a hard disk I / F 161, a hard disk device 162, and an image display device 170 are provided. The optical system 110 includes a zoom lens 111, an iris 112, and a focus lens 113. In addition, the optical system driving unit 120 includes a zoom motor 121, an aperture motor 122, and a focus motor 123. Further, the image signal processing unit 130 includes a CCD 131, an analog signal processing unit 132, an ADC (Analog to Digital Converter) 133, and a digital signal processing unit 134.

  First, the elements of the optical system 110 and the optical system driving unit 120 will be described.

  The zoom lens 111 is a lens related to a change in focal length. Originally, an optical system of a photographing apparatus such as a digital camera is provided with a plurality of lenses, and at least one of the plurality of lenses is largely involved in the focus adjustment, and the relative position of each lens is the focal length. In FIG. 4, a lens related to a change in focal length is schematically shown as a zoom lens 111 among the plurality of lenses, and a lens related to focus adjustment is schematically shown as a focus lens 113. Show. A zoom motor 121 is attached to the zoom lens 111, and the zoom motor 121 is driven by an instruction signal in accordance with an instruction from the CPU 140. When the operation unit 1073a or the operation unit 1073b of the zoom operation key 1073 is operated, an instruction signal from the CPU 140 according to an instruction to move the zoom lens 111 within a predetermined driving range is given to the zoom motor 121. When the zoom motor 121 rotates according to the instruction signal, the zoom lens 111 moves.

  The iris 112 is provided with two holes of different sizes (not shown). An iris motor 122 is attached to the iris 112, and the iris motor 122 is driven by an instruction signal in accordance with an instruction from the CPU 140. When an instruction signal according to an instruction from the CPU 140 is given to the diaphragm motor 122 and the diaphragm motor 122 rotates according to the instruction signal, the hole provided in the iris 112 is switched. By such switching, the amount of subject light is adjusted.

  The focus lens 113 is a lens for focusing on the subject. A focus motor 123 is attached to the focus lens 113, and the focus motor 123 is driven by an instruction signal in accordance with an instruction from the CPU 140. In response to an instruction from the CPU 140 for moving the focus lens 113 within a predetermined driving range, an instruction for the in-focus position for moving the focus lens 113 toward the in-focus position, etc., an instruction signal in accordance with these instructions is issued. It is given to the focus motor 123. When the focus motor 123 rotates according to the instruction signal, the focus lens 113 moves.

  Inside the lens barrel 101, a zoom lens 111, an iris 112, and a focus lens 113 are provided. A lens barrel drive motor 124 is attached to the lens barrel 101, and the lens barrel drive motor 124 is driven by an instruction signal in accordance with an instruction from the CPU 140. 1-3, an instruction signal according to an instruction to extend or retract the lens barrel 101 from the CPU 140 is given to the lens barrel drive motor 124 by a slide operation of the power button 104 or a press of the zoom operation key 1073 shown in FIGS. It is done. When the lens barrel drive motor 124 rotates according to the instruction signal, the lens barrel 101 moves. The lens barrel driving motor 124 corresponds to an example of a lens barrel driving unit referred to in the present invention.

  The above is the configuration of the optical system 110 and the optical system driving unit 120.

  Next, elements for photographing a subject and subjecting the photographed image to signal processing by the image signal processing unit 130 will be described.

  The operation unit 141 includes a power button 104, a shutter release button 105, a menu button 1071, a screen switching button 1072, a zoom operation key 1073 including an operation unit 1073a and an operation unit 1073b, a cross key 1074, and The execution buttons 1075 are collectively displayed, and each button is connected to each switch that is turned on and off in synchronization with the operation of each button. When these switches are set, the CPU 126 is informed of the setting status of each switch.

  When the secondary battery 145 is loaded into the digital camera 100 and the power button 104 shown in FIGS. 1 to 3 is slid to turn on the power switch, the digital camera 100 is driven.

  The CCD 131 receives subject light that has passed through the photographing lens 101a shown in FIGS. 1 and 2, and reads a subject image based on the subject light as a subject signal that is an analog signal. This subject signal is output to the analog signal processing unit 132 in accordance with an instruction from the CPU 140.

  The CPU 140 sends an instruction to cause the CCD 131 to output a subject signal every predetermined time or when the shutter release button 105 shown in FIGS. The analog signal processing unit 132 adjusts the amplification factor and amplifies the subject signal with the adjusted amplification factor. The ADC 133 converts the subject signal into captured image data that is digital data. The digital camera 100 generates photographed image data before the actual photographing in order to perform a focusing operation for detecting the focusing position of the focus lens 113. Also, high-resolution photographed image data generated during actual photographing is sent to the RAM 153 via the memory I / F 151 and written therein. The digital signal processing unit 134 reads the captured image data generated at the time of actual photographing and written in the RAM 153 from the RAM 153 via the memory I / F 151, and adjusts the RGB level of the captured image data, gamma adjustment, compression processing, and the like. I do. The hard disk device 162 has a built-in magnetic disk 162a for recording information. A magnetic disk drive motor 163 is attached to the magnetic disk 162a, and the magnetic disk drive motor 163 is rotated at a predetermined rotational speed by an instruction signal in accordance with an instruction from the CPU 140. The captured image data is recorded on the magnetic disk 162 a built in the hard disk device 162 via the hard disk I / F 161. The hard disk device 162 corresponds to an example of a hard disk device according to the present invention, and the magnetic disk drive motor 163 corresponds to an example of a magnetic disk drive unit according to the present invention.

  The image display device 170 causes the LCD panel 108 (see FIG. 3) to display a captured image represented by a menu screen or captured image data. The image display device 170 also displays the remaining battery level of the secondary battery 145 loaded in the digital camera 100 on the LCD panel 108 (see FIG. 3) via the power control unit 144.

  The flash light emitting device 143 includes a main capacitor, and the capacitor charging control unit 142 receives power from the secondary battery 145 to charge the main capacitor. The flash light emitting device 143 emits a flash upon receiving the supply of electric power stored in the main capacitor. The capacitor charging control unit 142 corresponds to an example of a capacitor charging unit according to the present invention, and the flash light emitting device 143 corresponds to an example of a light emitting unit according to the present invention.

  The ROM 152 stores an operating system and application software for operating the digital camera 100.

  In the RAM 153, photographed image data temporarily stored at the time of photographing is written.

  The CPU 140 also controls various elements of the digital camera 100 shown in FIGS. 1 to 4 and executes an operating system and application software. The CPU 140 corresponds to an example of a processing device according to the present invention.

  The digital camera 100 of the first embodiment is basically configured as described above.

  Here, the feature of the digital camera 100 as the first embodiment of the present invention is the operation from the start of the start process to the state where the photographing operation is possible. This operation will be described below. .

  FIG. 5 is a flowchart for explaining an operation flow from when the activation process of the digital camera 100 is started until the photographing operation is enabled.

  The operation described in the flowchart shown in FIG. 5 is started when the power button 104 is slid.

  First, in response to the power button 104 being slid, the retractable lens barrel 101 from the CPU 140 is retracted into the main body of the digital camera 100 (see FIG. 1). An instruction signal in accordance with the instruction of the lens barrel driving operation to be extended is given to the lens barrel driving motor 124. When the lens barrel driving motor 124 rotates in accordance with the instruction signal, the lens barrel 101 is extended to be in an extended state (see FIG. 2) where photographing can be performed (step S11).

  Upon completion of the lens barrel drive operation in step S11, the CPU 140 instructs the magnetic disk rotation operation (spin-up operation) to rotate the magnetic disk 162a built in the hard disk device 162 at a predetermined rotation speed. The following instruction signal is given to the magnetic disk drive motor 163, and the magnetic disk 162a rotates at a predetermined rotational speed (step S12).

  In response to the completion of the spin-up operation in step S12, an instruction signal from the CPU 140 according to the instruction of the main capacitor charging operation for charging the main capacitor is given to the capacitor charging control unit 142, and the capacitor charging control unit 142 The main capacitor is charged according to the instruction signal (step S13).

  As described above, in the digital camera 100 according to the first embodiment described above, the lens barrel driving operation (step S11), the magnetic disk rotating operation (step S12), and the operation, each of which consumes a large amount of power. Since each operation of the main capacitor charging operation (step S13) is executed sequentially and exclusively in terms of time, it is avoided that the digital camera 100 goes down during startup.

  In the first embodiment described above, an example is given in which the magnetic disk rotation operation is started after the lens barrel driving operation is completed, and the main capacitor charging operation is started after the magnetic disk rotation operation is completed. The order of each operation is not limited as long as each operation is sequentially executed exclusively in terms of time.

  In the first embodiment described above, an example of a digital camera provided with a retractable lens barrel, a hard disk device, and a flash light emitting device has been described. However, the present invention provides any two of these three elements. In the image pickup apparatus including the image pickup apparatus, the operations of the two elements included in the image pickup apparatus may be executed sequentially and exclusively in time.

  Above, description of 1st Embodiment of this invention is complete | finished.

  Next, as a second embodiment, in a digital camera equipped with a retractable lens barrel, a hard disk device, and a flash light emitting device, a lens barrel driving operation for extending the lens barrel among these three elements is executed. When the measured voltage is equal to or higher than the predetermined voltage, the magnetic disk built in the hard disk device is rotated at the predetermined rotational speed in parallel with the operation being performed. An embodiment for executing a magnetic disk rotating operation to be rotated at the same time will be described.

  In the second embodiment described below, since the apparatus configuration is substantially the same as the apparatus configuration described in the first embodiment, the difference from the first embodiment is noted, and the same elements are denoted by the same reference numerals. The description is omitted.

  FIG. 6 is a block diagram of a digital camera 200 to which the second embodiment of the photographing apparatus of the present invention is applied.

  The power control unit 146 shown in FIG. 6 receives the start of the lens barrel drive operation in which the power button 104 is slid to extend the lens barrel, and the voltage of the secondary battery 145 loaded in the digital camera 200 is received. Perform measurement. Further, the power control unit 146 displays the remaining battery level of the secondary battery 145 on the LCD panel 108. The power supply control unit 146 corresponds to an example of a voltage measurement unit according to the present invention.

  The digital camera 200 of the second embodiment is basically configured as described above.

  Here, the feature of the digital camera 200 as an embodiment of the present invention is the operation from the start of the start process to the state where the photographing operation is possible. This operation will be described below.

  FIG. 7 is a flowchart for explaining an operation flow from the start of the activation process of the digital camera 200 to the state where the photographing operation is possible.

  The operation described in the flowchart shown in FIG. 7 is started when the power button 104 is slid.

  First, in response to the slide operation of the power button 104, the lens barrel that extends the retracted lens barrel 101 in which the retractable lens barrel 101 from the CPU 140 is housed in the main body of the digital camera 200. An instruction signal according to the instruction of the driving operation is given to the lens barrel driving motor 124, and the lens barrel driving motor 124 rotates according to the instruction signal. (Step S21).

  In response to the start of the lens barrel driving operation in step S21, the power controller 146 measures the voltage of the secondary battery 145 loaded in the digital camera 200 (step S22).

  When the voltage measured in step S21 is equal to or higher than the predetermined voltage (step S23: Yes), the CPU 140 incorporates the hard disk device 162 from the CPU 140 in parallel with the lens barrel driving operation started in step S21. An instruction signal according to an instruction of a magnetic disk rotation operation (spin-up operation) for rotating the magnetic disk 162a at a predetermined rotation speed is given to the magnetic disk drive motor 163, and the magnetic disk 162a rotates at a predetermined rotation speed (step). S25).

  If the voltage measured in step S21 is less than the predetermined voltage (step S23: No), the lens barrel driving operation is continuously executed until the lens barrel driving operation started in step S21 is completed. (Step S24: No). In this case, upon completion of the lens barrel driving operation started in step S21 (step S24: Yes), the magnetic disk 162a built in the hard disk device 162 from the CPU 140 is rotated at a predetermined rotational speed. An instruction signal according to the instruction of the rotating operation of the magnetic disk to be rotated (spin-up operation) is given to the magnetic disk drive motor 163, and the magnetic disk 162a rotates at a predetermined rotational speed (step S25).

  In response to the completion of the spin-up operation in step S25, an instruction signal from the CPU 140 according to the instruction of the main capacitor charging operation for charging the main capacitor is given to the capacitor charge control unit 142, and the capacitor charge control unit 142 The main capacitor is charged according to the instruction signal (step S26).

  As described above, the digital camera 200 of the second embodiment described above is a lens among the lens barrel driving operation, the magnetic disk rotating operation, and the main capacitor charging operation, each of which consumes a large amount of power. The execution of the lens barrel driving operation is started and the voltage of the secondary battery 145 is measured. If the measured voltage is equal to or higher than a predetermined voltage, the magnetic lens is driven in parallel with the lens barrel driving operation being performed. Since the disk rotation operation is executed, the digital camera 200 is prevented from being down at the time of startup. Further, when the measured voltage is equal to or higher than a predetermined voltage, the digital camera 200 is shorter than the digital camera 100 that always executes each operation exclusively in time described in the first embodiment. Can be activated in time.

  In the second embodiment described above, the lens barrel driving operation is started and the voltage of the secondary battery 145 is measured. If the measured voltage is equal to or higher than a predetermined voltage, the lens being executed is measured. Although an example in which the magnetic disk rotating operation is executed in parallel with the lens barrel driving operation is given, the present invention is not limited to this, and the lens barrel driving operation, the magnetic disk rotating operation, and the main capacitor charging operation are performed. The execution of any one of the operations is started and the battery voltage is measured. If the measured voltage is equal to or higher than the predetermined voltage, another operation is performed in parallel with the operation being performed. What is necessary is just to perform.

  In the second embodiment described above, an example of an imaging apparatus including a retractable lens barrel, a hard disk device, and a flash light emitting device has been described. However, the present invention is any two of these three elements. In the imaging device having the above, when the measurement of the battery voltage is started by starting the execution of any one of the operations of the two elements provided, and the measured voltage is equal to or higher than a predetermined voltage Alternatively, the other operation may be executed in parallel with the operation being executed.

  Above, description of 2nd Embodiment of this invention is complete | finished.

1 is an external perspective view showing a retracted state in which a lens barrel is housed in a camera body, which is a digital camera to which a first embodiment of a photographing apparatus of the present invention is applied. FIG. 2 is a perspective view showing the extended state in which the lens barrel is extended in the digital camera shown in FIG. 1. It is the external appearance perspective view which looked at the digital camera shown in FIG. 1, FIG. 2 from back diagonally upward. FIG. 4 is a block diagram of the digital camera 100 shown in FIGS. 1 to 3. 6 is a flowchart for explaining an operation flow from when the activation process of the digital camera 100 is started to when a photographing operation is enabled. It is a block diagram of the digital camera 200 with which 2nd Embodiment of the imaging device of this invention was applied. 6 is a flowchart for explaining an operation flow from when the activation process of the digital camera 200 is started until a photographing operation is enabled.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Digital camera 101 Lens barrel 101a Shooting lens 102 Optical viewfinder objective window 103 Flash light emitting device 104 Power button 105 Shutter release button 106 Optical viewfinder eyepiece window 1071 Menu button 1072 Screen switching button 1073 Zoom operation keys 1073a and 1073b Operation unit 1074 Cross key 1075 Execution button 108 LCD panel 110 Optical system 111 Zoom lens 112 Iris 113 Focus lens 120 Optical system drive unit 121 Zoom motor 122 Aperture motor 123 Focus motor 124 Lens barrel drive motor 130 Image signal processing unit 131 CCD
132 Analog signal processing unit 133 ADC
134 Digital signal processor 140 CPU
141 Operation Unit 142 Capacitor Charge Control Unit 143 Flash Light Emitting Device 144 Power Supply Control Unit 145 Secondary Battery 151 Memory I / F
152 ROM
153 RAM
161 Hard disk I / F
162 Hard disk device 162a Magnetic disk 163 Magnetic disk drive motor 170 Image display device

Claims (6)

In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A retractable lens barrel that is ready to shoot when extended,
A lens barrel driving unit that receives power supply from the battery and drives the lens barrel;
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive unit that receives power supply from the battery and rotates the magnetic disk at a predetermined rotational speed;
A light emitting unit that emits a flash in response to the supply of power stored in the main capacitor;
A capacitor charging unit that receives power from the battery and charges the main capacitor;
A processing apparatus that sequentially and temporally executes each of a lens barrel driving operation by the lens barrel driving unit, a magnetic disk rotating operation by the magnetic disk driving unit, and a main capacitor charging operation by the capacitor charging unit. An imaging apparatus comprising: In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A retractable lens barrel that is ready to shoot when extended,
A lens barrel driving unit that receives power supply from the battery and drives the lens barrel;
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive unit that receives power supply from the battery and rotates the magnetic disk at a predetermined rotational speed;
An imaging device comprising: a processing device that sequentially and temporally executes each of a lens barrel driving operation by the lens barrel driving unit and a magnetic disk rotating operation by the magnetic disk driving unit. apparatus. In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive unit that receives power supply from the battery and rotates the magnetic disk at a predetermined rotational speed;
A light emitting unit that emits a flash in response to the supply of power stored in the main capacitor;
A capacitor charging unit that receives power from the battery and charges the main capacitor;
An imaging apparatus comprising: a processing device that sequentially and temporally executes each of a magnetic disk rotation operation by the magnetic disk drive unit and a main capacitor charging operation by the capacitor charging unit. In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A retractable lens barrel that is ready to shoot when extended,
A lens barrel driving unit that receives power supply from the battery and drives the lens barrel;
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive unit that receives power supply from the battery and rotates the magnetic disk at a predetermined rotational speed;
A light emitting unit that emits a flash in response to the supply of power stored in the main capacitor;
A capacitor charging unit that receives power from the battery and charges the main capacitor;
A voltage measuring unit for measuring the voltage of the battery;
Execution of any one of a lens barrel driving operation by the lens barrel driving unit, a magnetic disk rotating operation by the magnetic disk driving unit, and a main capacitor charging operation by the capacitor charging unit is started, and the voltage A processing device that performs voltage measurement by the measurement unit and, when the voltage measured by the voltage measurement unit is greater than or equal to a predetermined voltage, a processing device that performs another operation in parallel with the operation being performed. An imaging apparatus characterized by comprising. In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A retractable lens barrel that is ready to shoot when extended,
A lens barrel driving unit that receives power supply from the battery and drives the lens barrel;
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive unit that receives power supply from the battery and rotates the magnetic disk at a predetermined rotational speed;
A voltage measuring unit for measuring the voltage of the battery;
Start the execution of any one of the lens barrel driving operation by the lens barrel driving unit and the magnetic disk rotating operation by the magnetic disk driving unit, and execute the voltage measurement by the voltage measuring unit, An imaging apparatus comprising: a processing device that executes the other operation in parallel with the operation being executed when the voltage measured by the voltage measurement unit is equal to or higher than a predetermined voltage. In a photographing apparatus that operates by receiving power supply from a loaded battery and generates and records an image signal representing a subject in accordance with a photographing operation,
A hard disk device with a built-in magnetic disk for recording information;
A magnetic disk drive unit that receives power supply from the battery and rotates the magnetic disk at a predetermined rotational speed;
A light emitting unit that emits a flash in response to the supply of power stored in the main capacitor;
A capacitor charging unit that receives power from the battery and charges the main capacitor;
A voltage measuring unit for measuring the voltage of the battery;
The voltage measurement unit performs measurement of the voltage by starting execution of any one of the magnetic disk rotation operation by the magnetic disk drive unit and the main capacitor charging operation by the capacitor charging unit, and the voltage measurement An imaging apparatus comprising: a processing device that executes the other operation in parallel with the operation being performed when the voltage measured by the unit is equal to or higher than a predetermined voltage.

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