JP2003274249A - Camera - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a camera which does not record noise being generated when a release switch is turned on/off. <P>SOLUTION: The camera comprises a first release switch 901A which is turned on when a release button 901 has been depressed not less than one half, a second release switch 901B which is turned on when the release button 901 has been fully depressed, and a recording means interlocked with the operation of the release button 901 to start recording, wherein a controller 4 starts recording as the first release switch 901A turns off following to turning off of the second release switch 901B when the release button 901 is fully depressed and then released. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a first release switch which is turned on when a release button is half-pressed, a second release switch which is turned on when the release button is fully pressed, and an operation of the release button. The present invention relates to a camera provided with a voice recording unit that starts recording in conjunction with each other.

[0002]

2. Description of the Related Art Conventionally, for example, JP-A-9-33150.
An electronic camera having a voice recording function is known as described in Japanese Patent Publication No.

In such an electronic camera, when the release button is operated, shutter imitative sound output when the release button is operated is also recorded. Therefore, when the voice is being recorded, the release button is operated. At this time, the shutter sound is not generated.

[0004]

However, in such a conventional electronic camera, it is possible to prevent the shutter sound from being recorded, but the release button can be pressed halfway or fully. If it is turned on, it is equipped with a first release switch that is turned on by half-pressing the release button and a second release switch that is turned on by full-pressing operation. When the first and second release switches turn on and off. When doing so, there was a problem that noise was generated in the first and second release signal lines and this noise was recorded.

An object of the present invention is to provide a camera which does not record noise generated when the release switch is turned on and off.

[0006]

In order to achieve the above object, the invention of claim 1 includes a first release switch which is turned on while the release button is operated halfway or more,
A camera provided with a second release switch which is turned on when the release button is fully pressed, and a recording means for starting recording in association with the operation of the release button, wherein the release button is fully released. When the release button is released after being pressed, the recording means starts recording when the first release switch is switched from ON to OFF after the second release switch is switched from ON to OFF. Characterize.

According to a second aspect of the present invention, the recording means starts recording after a delay of a predetermined time from a time point when the first release switch is turned on.

According to a third aspect of the present invention, the recording means starts recording with a minimum gain when the first release switch or the second release switch is turned on, or when the first release switch or the second release switch is turned off. However, when the first release switch is switched from on to off, the recording means records with a normal gain.

According to a fourth aspect of the present invention, when the release button is half-pushed and the first release switch is turned on, a warning is displayed to start recording after a predetermined time delay or at a minimum gain. To do.

The invention of claim 5 is characterized in that a warning mode in which the warning is displayed and a normal mode in which the warning is not displayed can be selected.

The invention of claim 6 is characterized in that photographing is started at the same time when the recording by the recording means is started.

According to a seventh aspect of the present invention, the recording start timing of the recording means is after the photographing start timing.

According to an eighth aspect of the present invention, the first release switch is turned on while the release button is being pressed halfway or more, and the second release switch is turned on when the release button is fully pressed. And a camera having a reproducing means for reproducing an image and a sound in conjunction with the operation of the release button in the reproduction mode, wherein the camera is operated after the release button is fully pressed in the reproduction mode. When the release button is released, when the first release switch is switched from ON to OFF after the second release switch is switched from ON to OFF, the reproducing means reproduces the image and the sound. .

According to a ninth aspect of the present invention, when the recording started after a predetermined time delay is started, or when the recording started with the minimum gain is reproduced, the recording with the delayed or minimum gain is performed. It is characterized by displaying a warning that it has started.

The invention of claim 10 is characterized in that a warning mode in which the warning is displayed and a normal mode in which the warning is not displayed can be selected.

In the invention of claim 11, the first and second release switches are mechanical switches, and when the release button is fully pressed and then released, the second release switch is turned on and off. The first release switch is set to be turned off after the generated noise disappears.

The twelfth aspect of the invention is characterized in that the recording or the recording of the moving image is finished when the first release switch is turned on.

In the thirteenth aspect of the present invention, the recording or the recording of the moving image is ended when the first release switch is turned on and off by fully pressing the release button again, and the first release switch is turned on from the time when the first release switch is turned on. It is characterized by deleting recordings from the time of turning off to the time of turning on.

According to a fourteenth aspect of the present invention, the recording or the recording of the moving image is ended when the release button is fully pressed again and the first release switch is turned on and off, and at least until the time when the first release switch is turned on. It is characterized in that the recorded gain is traced to the minimum or gradually from the traced back time to the OFF time of the first release switch.

According to a fifteenth aspect of the present invention, when the voice is deleted or the gain for recording is reduced, the warning means warns that before the start of recording or at the time of reproduction.

[0021]

According to the invention of claim 1, when the release button is released after the release button is fully pressed, the first release switch is turned off after the second release switch is turned on. When it becomes, the recording means starts recording. Therefore, it is possible to prevent noise generated when the first and second release switches are turned on and off.

According to the second aspect of the present invention, the recording means starts the recording after a delay of a predetermined time from the time when the first release switch is turned from ON to OFF. Therefore, the first and second releases are performed. It is possible to reliably prevent the noise generated when the switch is turned on or off from being recorded.

According to the invention of claim 3, when the first release switch or the second release switch is turned on, or when the first release switch or the second release switch is turned off, the recording means starts recording with a minimum gain. However, when the first release switch is switched from ON to OFF, the recording means records with a normal gain,
It is possible to prevent the noise generated when the first and second release switches are turned on and off from being recorded at an unpleasant level.

According to the fourth aspect of the present invention, when the release button is half-pressed and the first release switch is turned on, a warning is displayed to start recording after a predetermined time delay or with a minimum gain. Therefore, the user's setting can be recognized and the user's erroneous operation can be prevented.

According to the invention of claim 5, it is possible to select the warning mode in which the warning is displayed and the normal mode in which the warning is not displayed.
The user can set it so that it does not disturb the eyes.

According to the sixth aspect of the invention, since the photographing is started at the same time when the recording means starts recording, the image and the sound can be matched.

According to the seventh aspect of the invention, since the recording start timing of the recording means is after the photographing start timing, it is possible to record the noise generated when the first and second release switches are turned on and off. Can be prevented.

According to the invention of claim 8, in the reproduction mode, when the release button is released after the release button is fully pressed, the first release button is turned on after the second release switch is turned off. When the release switch is switched from ON to OFF, the reproducing means reproduces the image and the sound. Therefore, noise generated when the first and second release switches are turned ON / OFF is output during the reproduction. Can be prevented.

According to the invention of claim 9, when the recording started after a predetermined time delay is started or when the recording started with the minimum gain is reproduced, the delay or the minimum gain is applied. Since it shows a warning that recording has started, whether it started recording with the minimum gain,
It is possible to recognize whether or not the recording was started with a delay.

According to the tenth aspect of the present invention, the warning mode in which the warning is displayed and the normal mode in which the warning is not displayed can be selected. Therefore, when the warning is annoying, the user should not be disturbed. Can be set.

According to the eleventh aspect of the present invention, the first and second release switches are mechanical switches, and when the release button is fully pressed and then released, the second release switch is turned on and off. Since the first release switch is set to be turned off after the generated noise disappears, it is possible to prevent the recording of the noise generated when the second release switch is turned off.

According to the twelfth aspect of the invention, since the recording or the recording of the moving picture is finished when the first release switch is turned on, the second release switch is turned on.
It is possible to prevent recording of noise that occurs when the power switch is turned off or when the first release switch is turned off.

According to the thirteenth aspect of the present invention, the recording or the recording of the moving image is ended when the release button is fully pressed again and the first release switch is turned off.
Since the recording from the time when the first release switch is turned on to the time when the first release switch is turned on is deleted, the recording of noise generated by turning on / off the first and second release switches is deleted.

According to the fourteenth aspect of the invention, the recording or the recording of the moving picture is finished when the release button is fully pressed again and the first release switch is turned off,
The first and second release switches are turned on because the gain recorded at least from the time when the first release switch is turned on to the time when the first release switch is turned on and the gain recorded from the time when the first release switch is turned off to the time when the first release switch is turned off is minimized or gradually reduced.・ The recording level of noise generated by turning off can be reduced.

According to the fifteenth aspect of the present invention, when the voice is deleted or the gain for recording is reduced, the warning means gives a warning before starting the recording or at the time of reproduction. Therefore, the voice is deleted. It is possible to inform the user of the reduction of gain and gain.

[0036]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a camera according to the present invention will be described below with reference to the drawings. [First Embodiment] In FIG. 1, 2 is a lens system,
The lens system 2 includes a focus lens system 201 including, for example, a varifocal lens, a zoom lens system 202, and a mechanical mechanism 203 including a diaphragm. Reference numeral 207 is a focus motor driver for driving the focus motor 204, 208 is a zoom motor driver for driving the zoom motor 205, and 209 is a diaphragm motor driver for driving the diaphragm motor 206. 302 is an image sensor, 30
3 is a correlated double sampling circuit (CDS), 304 is a variable gain amplifier, 305 is a timing generator (Ti
ming Generator).

306 is an IPP (Image Pre-P)
308, DCT (Discret)
e Cosine Transform, 309 is a coder (Huffman Encoder / Decod)
er) and 310 are MCC (Memory Card C)
controller), 307 RAM (internal memory), 311 card interface, 312 PC
Card (including memory card), 4 controller (CPU), 401 flash memory (EEPRO)
M), 402 is an A / D converter for controller, 403 is a D / A converter for controller, 602 is an LCD display unit,
Reference numeral 603 is an auxiliary light lamp, 604 is an auxiliary light lamp drive circuit, 601 is an LCD driver circuit, 5 is a strobe, 7 is a DC-DC converter, 701 is a battery, 702 is an AC adapter, 9 is an operating unit, and 901 is an operating unit 9. Release button 902, mode input means 902, audio amplifier unit 81, microphone 801, speaker 802,
3 is an earphone, 1001 is a vibration motor driver, 100
2 is a vibration motor.

A mechanical shutter (not shown) of the mechanical mechanism 203 performs two field exposures. 404
Indicates a system bus line.

The focus motor driver 207 drives the focus motor driver 207 according to the control signal supplied from the controller 4 to move the focus lens system 201 in the optical axis direction. The zoom motor driver 208 drives the zoom motor 205 according to the control signal supplied from the controller 4 to move the zoom lens system 202 in the optical axis direction. Further, the diaphragm motor driver 209 drives the mechanical mechanism 203 according to the control signal supplied from the controller 4, and sets the diaphragm value of the diaphragm, for example.

The image pickup device 302 converts an image input through the lens unit into an electric signal (analog image data). The CDS circuit 303 is a circuit for reducing noise in the CCD image pickup device. In addition, the AGC amplifier 304
Corrects the level of the signal double-correlatedly sampled by the CDS circuit 303. The setting data (control voltage) is set in the AGC amplifier 304 via a D / A converter incorporated in the AGC amplifier 304. Further, the A / D converter 305 is the AGC amplifier 30.
The analog image data from the image pickup element 302 input via 4 is converted into digital image data. That is, C
The output signal of the CD 302 is the CDS circuit 303 and the AGC.
The signal is converted into a digital signal through the amplifier 304 and by the A / D converter 305 at an optimum sampling frequency (for example, an integral multiple of the subcarrier frequency of the NTSC signal).

Further, IPP3 which is a digital signal processing unit
06, DCT 308 and coder 309 divides the digital image data input from the A / D converter 305 into color difference (Cb, Cr) and luminance (Y), and performs various processing, correction, and data processing for image compression / expansion. Give. DCT
The 308 and the coder 309 are, for example, orthogonal transformation / inverse orthogonal transformation, which is a process of image compression / decompression based on JPEG,
In addition, Huffman encoding / decoding, which is a process of image compression / decompression based on JPEG, is performed.

Further, the IPP 306 detects the brightness data (Y) of the G image data and outputs the AE evaluation value corresponding to the detected brightness data (Y) to the controller 4. This AE
The evaluation value indicates the brightness (brightness) of the subject. In addition, the IPP 306 is set to R, within the set color temperature range.
AWB corresponding to each luminance data (Y) of G and B image data
(Auto White Balance) Evaluation values are output to the controller 4, respectively. This AWB evaluation value indicates the color component of the subject.

Further, the MCC 310 temporarily stores the compressed image and records it in the PC card 312 via the PC card interface 311, or the PC card 3
Reading from 12 is performed.

The LCD display unit 602 is composed of a transmissive LCD and displays image data, operation menus and the like. The auxiliary light lamp 603 is a backlight for illuminating the LCD display unit 602, and is made of, for example, a fluorescent tube or a white LED. Under the control of the controller 4, the auxiliary light lamp drive circuit 604 outputs drive power to the auxiliary light lamp 603 to turn on the auxiliary light lamp 603. The LCD driver circuit 604 is a circuit for displaying the image data input from the IPP 306 on the LCD display unit 602. The operation unit 9 includes a release button 901 for giving a shooting instruction, a mode input unit 902, a power switch, and an LC.
It is provided with a D switch, an auxiliary light lamp switch, buttons for function selection and other various settings from the outside. 902a described in the mode input means 902 is a C audio recording mode, 902b is a still image recording mode, 90
Reference numeral 2c indicates a moving image recording mode, and these modes can be set. Further, in the audio recording mode, the still image recording mode and the moving image recording mode can be set by operating the mode input means 902.

The strobe circuit 5 emits strobe light under the control of the controller 4. The battery 701 is, for example, a nickel hydrogen battery, a lithium ion battery, or a NiCd (NiC).
d) A battery, an alkaline battery, or the like, which may be supplied with the power supply voltage of the AC adapter 702.
-It is supplied to the inside of the digital camera 1 via the DC converter 7. The DC-DC converter 7 is the controller 4
Under the control of, a switch circuit for turning ON / OFF various power supplies output inside the digital camera 1 is built in.

The controller 4 includes a CPU, ROM, RA
The CPU comprises an M, an A / D converter, a D / A converter, etc., and the CPU uses the RAM as a work area in accordance with a control program stored in the ROM according to an instruction from the operation unit 9 or an external operation instruction such as a remote controller (not shown). Then, the entire device of the digital camera 1 is controlled.

The A / D converter and the D / A converter are prepared as A / D 402 and D / A 403 when they are prepared externally. Specifically, the controller 4 controls the shooting operation,
Automatic exposure (AE) operation, automatic white balance (AW
B) Control of adjustment operation, AF operation, display and the like. Also,
Built-in A / as one of the information input means for various controls
Grasp analog information using a D converter. Built-in A
The / D converter is operated by comparison with a reference voltage. On the other hand, a D / A converter is used for analog output.

For example, control between the IPP 306 and the controller 4 and data exchange are performed via the system bus 404.

Further, the controller 4 records the image data obtained by picking up an image of a subject on the PC card 312 and the image data recorded on the PC card 312 is reproduced on the LCD display unit 602 for reproduction. A mode, a monitoring mode in which the captured monitoring image is directly displayed on the LCD display unit 602, and the like are provided. In addition, in the playback mode or the monitoring mode, the LCD display unit 6
The display mode for displaying an image on 02 includes a fixed mode and an external light adaptive mode, and these modes are selected by the operation unit 9.

Various parameters and data of the digital camera are recorded in the flash memory 401. The timing generator (TG) 301 generates various timing signals based on the horizontal synchronizing signal and the vertical synchronizing signal input from the IPP 306.

The audio amplifier section 8 is the A /
The analog signals of the microphone 801, the speaker 802, and the earphone 803 are amplified via the D converter 402 or the D / A converter 403. Needless to say, a method of using a buzzer from an output (not shown) of the controller 4 instead of the speaker 802 can be used as the audio output means.

The vibration motor 1002 is one means of warning display means, is vibrated by being driven by the vibration motor driver 1001 in response to a control signal from the controller 4, and gives a warning by this vibration.

FIG. 2 shows the structure of the release switch system. This release switch system is a first release switch 901A which is turned on when the release button 901 is half pressed, and is turned on when the release button 901 is fully pressed. And a second release switch 901B that operates. When the first release switch 901A turns on, the input port 4P1 of the controller 4 changes from H level to L level,
When the second release switch 901B is turned on, the input port 4P2 of the controller 4 changes from H level to L level.

The first and second release buttons 901 are also used.
When the release switches 901A and 901B are mechanical switches, when the release button 901 is fully pressed and then released, the noise generated by the second release switch 901B being turned on and off disappears, and then the first release switch is released. 901A is set to turn off. By doing so, it is possible to prevent the recording of noise that occurs when the second release switch 901B is turned off.

The controller 4 uses the input ports 4P1, 4
Various controls are performed by determining whether the release button 901 is in the half-pressed state or the fully-pressed state based on whether the P2 is at the H level or the L level. Then, when the release button 901 is pressed halfway, the image sensor 302, the CDS 30
3, the AGC amplifier 304, the A / D converter 305, the timing generator 301, the IPP 306 and the controller 4 are operated and the focus motor 204 is driven to focus the focus lens 201. When the release button 901 is fully pressed, shooting of a still image or a moving image is executed.

Further, the controller 4 has a function as a voice recording means (recording means) for recording voice in the PC card 312 based on the operation of the release button 901 when the voice recording mode is set. ing. Also,
The gain of the voice recording means when recording voice can be set to a desired value by the operation unit 9. [Operation] Next, the operation of the camera configured as described above will be described with reference to the flow charts shown in FIGS.

First, when a power switch (not shown) is turned on, the controller 4 or the like starts up, and it is judged in step 1 of the main flow whether the mode is the voice recording mode or the moving image recording mode. If so, go to step 2. In step 2, a voice recording start or a voice recording start and a moving image recording start process is performed when the release is on. That is, the first and second release switches 90 for which release operation recognition is preset
It is performed based on ON / OFF of 1A and 901B. And
In step 3, recording processing of voice or voice and image is performed.

In step 4, when the voice recording mode or the moving image recording mode is not set, the release operation recognition is performed by the normal release operation.

FIG. 4 shows a processing flow chart of step 2, and in step 5, the first release switch 9
It is determined whether or not 01A is turned on, and if NO, the process returns to step 5. The processing operation of step 5 is repeatedly performed until the release button 901 is pressed and the first release switch 901A is turned on.
It will wait until 1A turns on.

When the release button 901 is pressed halfway to turn on the first release switch 901A, it is judged as YES in step 5 and the process proceeds to step 6. Step 6
Then, it is determined whether or not the second release switch 901B is turned on, and if the result is no, the process returns to step 6, and the processing operation of step 6 is repeated until the second release switch 901B is turned on.
Will wait until the power turns on.

When the release button 901 is fully pressed and the second release switch 901B is turned on, it is determined as YES in step 6 and the process proceeds to step 7. Step 7
Then, it is determined whether or not the second release switch 901B is turned off. If the result is no, the process returns to step 7, and the processing operation of step 7 is repeated until the second release switch 901B is turned off.

When the second release switch 901B is turned off, YES is determined in step 7 and the process proceeds to step 8. In step 8, it is determined whether or not the first release switch 901A is turned off. If the result is no, the process returns to step 8 and the processing operation of step 8 is repeated until the first release switch 901A is turned off. And the first
When the release switch 901A is turned off, the process proceeds to step 3 shown in FIG. 3, and the sound recording is performed in step 3.

As described above, after the first and second release switches 901A and 901B are turned on, the sound recording is started after the second and first release switches 901B and 901A are turned off. 2 release switch 901A,
It is possible to prevent noise generated by turning on / off the 901B from being recorded. [Second Embodiment] FIG. 5 shows a processing flow of the second embodiment of step 2, in which step 9 is added after step 8. Step 9 is such that the operation of a delay circuit (not shown) causes a delay of a predetermined time before proceeding to step 3.

In this way, the first release switch 901 is delayed by delaying for a predetermined time by the delay circuit.
It is possible to ensure that the noise generated by turning off A is not recorded. That is, as shown in FIG. 19, by recording the voice after delaying the predetermined time T1 from the time point t5 when the first release switch 901A is turned off, it is possible to prevent the noise NZ generated at the time point t5 from being recorded. .

Here, t1 shown in FIG. 19 is the time when the release button 901 is operated, and t2 is the first release switch 901 when the release button 901 is pressed halfway down at t2.
When A is turned on, t3 is the release button 901.
Is fully pressed to turn on the second release switch 901B, t4 is a time when the release button 901 is released and the second release switch 901B is off, and t5 is a time when the release button 901 is released and the first release button 901B is released. This is the time when the release switch 901A is turned off. [Third Embodiment] FIG. 6 shows a processing flow of the third embodiment of Step 2. Step A is between Steps 5 and 6, and Step 8 is after Step 8.
It is the addition of a.

At step A, as shown in FIG.
The recording of the voice is started from the time point t2 when the release switch 901A is turned on, and the gain of the voice recording means is started from zero or the minimum gain, and the gain is increased with the lapse of time.

In step 8a, after the time t5 when the first release switch 901A is turned off, the gain of the audio recording means is set to the normal gain or the preset gain.

By doing so, the recording level of the noise generated by turning on / off the first and second release switches 901A, 901B can be kept low, and the noise is recorded at an uncomfortable level. Can be prevented.

In the third embodiment, the process of step A is put after step 5, but it may be put after any of steps 6, 7, and 8.

In this embodiment, the recording of the voice is started from the time point t2 when the first release switch 901A is turned on, but it is not limited to this, and the time point t is not limited to this.
It may be 2 or later and before the first release switch 901A is turned off. For example, it may be a time point between the time points t4 and t5. Further, it is not necessary to increase the gain linearly. [Fourth Embodiment] FIG. 7 shows a processing flow of the fourth embodiment of step 2, in which step D is inserted between step 5 and step 6.

At step D, the warning means is operated. That is, when the release button is pressed halfway to turn on the first release switch 901A,
After a predetermined time T1 has been delayed from the time point t5 when the release switch 901A is turned off, the LCD display unit 602 displays that a voice is to be recorded, a voice is notified by the speaker 802, or a vibration motor 1002 is driven to give a warning. To do.

As described above, when the release button is half-pressed, the user is warned that the sound will be delayed and recorded, so that the user can recognize the setting and prevent the user's erroneous setting. can do. [Fifth Embodiment] FIG. 8 shows a processing flow of the fifth embodiment of step 2. This is one in which step D of the fourth embodiment is provided between step 5 and step A. Others are the same as those in the third embodiment, and the description of the processing operation will be omitted.

In the fifth embodiment, the effects of the third embodiment and the effects of the fourth embodiment can be obtained. Note that step A may be provided after any of steps 5, 6, and 7. [Sixth Embodiment] FIG. 9 shows a processing flow of the sixth embodiment of step 2. In the sixth embodiment, the user can set the warning means, and step 5a is provided between step 5 and step D. In step 5a, it is judged whether or not the warning means has been set. If no, the process proceeds to step 6, and if yes, the process proceeds to step D. Others are the same as those in the fourth embodiment, and therefore the description of the processing operation will be omitted.

In the sixth embodiment, the user can set the warning means, so that when the warning display is annoying, the user can set it so as not to disturb the user. [Seventh Embodiment] FIG. 10 is a flow chart of the seventh embodiment. In the eighth embodiment, between the step 5 and the step D of the flow shown in FIG. The step 5a is provided. Others are the same as those in the fifth embodiment, and the description of the processing operation will be omitted.

According to the seventh embodiment, the effect of the fifth embodiment and the effect of the sixth embodiment can be obtained.

In the first to seventh embodiments, the image recording is started when the second release switch 901B is turned on. However, the image recording is started at the same time when the sound recording is started. May be. By doing so, the video and audio can be matched. [Eighth Embodiment] FIG. 11 shows a flow of the eighth embodiment. In FIG. 11, in step 10, it is determined whether the mode is the audio reproduction mode or the moving image reproduction mode. If NO, the process proceeds to step 13, and if YES, step 11
Go to. In step 11, the process of starting the sound reproduction or the sound reproduction start and the moving picture reproduction start at the release-on is performed. That is, the ON / OFF of the first and second release switches 901A and 901B for which the release operation recognition is preset.
Based on off. Then, in step 12, a voice or voice and image reproduction process is performed.

In step 13, when the voice reproduction mode or the moving image reproduction mode is not set, the release operation recognition is performed by the normal release operation.

FIG. 12 shows the processing flow of step 11 of FIG. In step 20, it is determined whether or not the first release switch 901A is turned on. If the result is no, the process returns to step 20 and waits until the first release switch 901A is turned on.

When the release button 901 is half-pressed and the first release switch 901A is turned on, it is determined as YES in Step 20 and the process proceeds to Step 21. In step 21, it is determined whether or not the second release switch 901B is turned on, and if the result is no, the process returns to step 21,
It waits until the second release switch 901B is turned on.

When the release button 901 is fully pressed and the second release switch 901B is turned on, it is determined as YES in step 21 and the process proceeds to step 22. In step 22, it is determined whether or not the second release switch 901B is turned off, and if the result is no, the process returns to step 22,
It waits until the second release switch 901B turns off.

When the second release switch 901B is turned off, the answer of Step 22 is YES, and the routine proceeds to Step 23. In step 23, the first release switch 901
It is judged whether A is off or not. If no, step 2
The process returns to 3 and waits until the first release switch 901A turns off. Then, when the first release switch 901A is turned off, the process proceeds to step 12 shown in FIG. In step 12, the reproduction process of the sound and image recorded in the PC card 312 is performed.

As described above, after the first and second release switches 901A and 901B are turned on, the reproduction of the sound and the image is started after the second and first release switches 901B and 901A are turned off. , Second release switch 9
It is possible to prevent noise generated by turning on / off 01A and 901B from riding on the reproduced voice or image. [Ninth Embodiment] FIG. 13 shows a processing flow of the ninth embodiment of step 11. In this ninth embodiment, step 24 is provided after step 23.

In step 24, when the sound is reproduced after a predetermined time has elapsed after the reproduction of the moving picture is started, or when the level of the sound reproduced after the predetermined time has elapsed from the reproduction of the moving picture becomes the normal level. When the first release switch 901A is turned off, the fact is displayed on the LCD display unit 602, the speaker 802 announces it by voice, or the vibration motor 1002 is driven to give a warning.

By doing so, it is possible to inform the user that there is a delay in the reproduction of the sound or that the gain is low. [Tenth Embodiment] FIG. 14 shows a processing flow of the tenth embodiment. In the tenth embodiment, the user can set the warning means, and step 23A is provided after step 23. In step 23A, it is judged whether or not the warning means is set.
If yes, go to step 24. Others are the same as those in the ninth embodiment, and therefore the description of the processing operation will be omitted.

In the tenth embodiment, the user can set the warning means. Therefore, if the warning display during reproduction is unpleasant, the user can set it so as not to disturb the user. [Eleventh Embodiment] FIG. 15 shows a processing flow of the eleventh embodiment. In step 30 shown in FIG. 15, it is judged whether or not the mode is the voice recording mode or the moving image recording mode. If NO, the process proceeds to step 32, and if YES, the process proceeds to step 31. In step 31, the processing for ending the sound recording or the sound recording and the moving picture recording when the release is turned on is performed. That is, the first and second release switches 9 for which release operation recognition is preset
It is performed based on ON / OFF of 01A and 901B. In step 32, when the voice recording mode or the moving image recording mode is not set, the release operation recognition is performed by the normal release operation, and the voice recording or the moving image recording is ended.

FIG. 16 shows the processing flow of step 31. In step 40 shown in FIG. 16, it is determined whether or not the first release switch 901A has been turned on by half-pressing the release button 901. If the result is NO, the process returns to step 40 and the first release switch 901A is turned on. stand by. Then, when the first release switch 901A is turned on, it is determined as YES in step 40 and the process proceeds to step 41. In step 41, voice recording or voice recording and moving image recording is ended.

In the eleventh embodiment, the sound recording or the sound recording and the moving picture recording are ended by turning on the first release switch 901A. However, turning on or off the second release switch 901B or the first release switch 901A. The sound recording and the moving image recording may be ended when the switch is turned off. In this case, as shown in FIG. 21, when the release button 901 is operated (time t6), the recording is traced back to just before the first release switch 901A is turned on, and the recording from the traced time to the point where the audio recording is ended. delete.

Further, as shown in FIG. 22, the gain of the audio recording means is gradually reduced from before the first release switch 901A is turned on, and the first release switch 901A is gradually decreased.
At the timing when is turned off, the gain may be set to the minimum gain (or zero) to end the recording of the voice. Further, the timing at which the gain of the audio recording means is set to the minimum gain (or zero) may be ON or OFF of the second release switch 901B. Although the gain is linearly attenuated in FIG. 22, the gain does not necessarily have to be linear. [Twelfth Embodiment] FIG. 17 shows a processing flow of the twelfth embodiment of step 31. In step 50 shown in FIG. 17, it is determined whether the second release switch 901B is on, whether the second release switch 901B is off, or whether the first release switch 901A is off. For example, the process returns to step 50 and waits until the second release switch 901B turns on or off, or until the first release switch 901A turns off. When the second release switch 901B is turned on or off, or when the first release switch 901A is turned off, it is determined as yes in step 50 and step 51
Go to.

At step 51, the warning means is operated.
That is, as shown in FIG. 21, when deleting a voice recording retroactively from the time when the voice recording ends, a warning is given to the user to inform the user.

In step 52, the recording of the voice and the recording of the image are finished at the timing when the second release switch 901B is turned on or off, or when the first release switch 901A is turned off.

In FIG. 18, step 5 is executed before step 51.
It is a figure showing the flow which provided 0A. In this step 5A, a warning is given in advance that the warning will be given before the warning means is operated, so that the user will not miss the warning.

In each of the above embodiments, the digital camera has been described, but the present invention is not limited to this, and can be applied to an analog camera.

[0093]

As described above, according to the invention of claim 1, when the release button is released after the release button is fully pressed, the second release switch is turned on and off. Since the recording means starts recording when the first release switch is switched from ON to OFF, it is possible to prevent noise generated when the first and second release switches are turned ON and OFF from being recorded. can do.

According to the second aspect of the invention, the recording means starts the recording after a delay of a predetermined time from the time when the first release switch is turned from ON to OFF. Therefore, the first and second releases are performed. It is possible to reliably prevent the noise generated when the switch is turned on or off from being recorded.

According to the invention of claim 3, the recording means starts recording with a minimum gain when the first release switch or the second release switch is turned on, or when the first release switch or the second release switch is turned off. However, when the first release switch is switched from ON to OFF, the recording means records with a normal gain,
It is possible to prevent the noise generated when the first and second release switches are turned on and off from being recorded at an unpleasant level.

According to the fourth aspect of the present invention, when the release button is half-pressed and the first release switch is turned on, a warning is displayed to start recording after a predetermined time delay or with a minimum gain. Therefore, the user's setting can be recognized and the user's erroneous operation can be prevented.

According to the fifth aspect of the present invention, the warning mode in which the warning is displayed and the normal mode in which the warning is not displayed can be selected. Therefore, when the warning is annoying,
The user can set it so that it does not disturb the eyes.

According to the sixth aspect of the invention, since the photographing is started at the same time when the recording means starts recording, it is possible to match the image and the sound.

According to the seventh aspect of the invention, since the recording start timing of the recording means is after the photographing start timing, it is possible to record the noise generated when the first and second release switches are turned on and off. Can be prevented.

According to the eighth aspect of the present invention, in the playback mode, when the release button is released after the release button is fully pressed, the first release button is turned on after the second release switch is turned off. When the release switch is switched from ON to OFF, the reproducing means reproduces the image and the sound. Therefore, noise generated when the first and second release switches are turned ON / OFF is output during the reproduction. Can be prevented.

According to the ninth aspect of the invention, when the recording started after a predetermined time is delayed or when the recording started with the minimum gain is reproduced, the delay or the minimum gain is applied. Since it shows a warning that recording has started, whether it started recording with the minimum gain,
It is possible to recognize whether or not the recording was started with a delay.

According to the tenth aspect of the present invention, the warning mode in which the warning is displayed and the normal mode in which the warning is not displayed can be selected. Therefore, when the warning is annoying, the user should not be disturbed. Can be set.

According to the invention of claim 11, the first and second release switches are mechanical switches, and when the release button is fully pressed and then released, the second release switch is turned on and off. Since the first release switch is set to be turned off after the generated noise disappears, it is possible to prevent the recording of the noise generated when the second release switch is turned off.

According to the twelfth aspect of the invention, since the recording or the recording of the moving picture is finished when the first release switch is turned on, the second release switch is turned on.
It is possible to prevent recording of noise that occurs when the power switch is turned off or when the first release switch is turned off.

According to the thirteenth aspect of the present invention, the recording or the recording of the moving image is finished when the release button is fully pressed again and the first release switch is turned off.
Since the recording from the time when the first release switch is turned on to the time when the first release switch is turned on is deleted, the recording of noise generated by turning on / off the first and second release switches is deleted.

According to the fourteenth aspect of the present invention, the recording or the recording of the moving picture is finished when the release button is fully pressed again and the first release switch is turned from ON to OFF,
The first and second release switches are turned on because the gain recorded at least from the time when the first release switch is turned on to the time when the first release switch is turned on and the gain recorded from the time when the first release switch is turned off to the time when the first release switch is turned off is minimized or gradually reduced.・ The recording level of noise generated by turning off can be reduced.

According to the fifteenth aspect of the invention, when the voice is deleted or the gain for recording is reduced, the warning means warns that before recording starts or during reproduction. Therefore, the voice is deleted. It is possible to inform the user of the reduction of gain and gain.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a camera according to the present invention.

FIG. 2 is a circuit diagram showing a configuration of a release system.

FIG. 3 is a main flow diagram showing a processing operation of the camera shown in FIG.

FIG. 4 is a flowchart showing a processing operation for starting voice recording and moving image recording.

FIG. 5 is a flowchart showing a processing operation of a second embodiment of starting voice recording and moving image recording.

FIG. 6 is a flowchart showing a processing operation of a third embodiment of starting voice recording and moving image recording.

FIG. 7 is a flowchart showing a processing operation of a fourth embodiment of starting voice recording and moving image recording.

FIG. 8 is a flowchart showing a processing operation of a fifth embodiment of starting voice recording and moving image recording.

FIG. 9 is a flowchart showing a processing operation of a sixth embodiment of starting voice recording and moving image recording.

FIG. 10 is a flowchart showing the processing operation of the seventh embodiment for starting voice recording and moving image recording.

FIG. 11 is a main flowchart showing the processing operation of the camera of the eighth embodiment.

FIG. 12 is a flowchart showing a processing operation of audio reproduction start and video reproduction start.

FIG. 13 is a flowchart showing the processing operation of the ninth embodiment of starting voice reproduction and moving image reproduction.

FIG. 14 is a flowchart showing the processing operation of the tenth embodiment of starting voice reproduction and moving image reproduction.

FIG. 15 is a main flowchart showing the processing operation of the camera of the eleventh embodiment.

FIG. 16 is a flowchart showing a processing operation of audio recording end and moving image recording end.

FIG. 17 is a flowchart showing the processing operation of the twelfth embodiment for ending voice recording or moving image recording.

FIG. 18 is a flowchart showing another example.

FIG. 19 is a time chart showing the operation of the release button, first and second release switches, operation of the audio recording means, and the like.

FIG. 20 is a time chart showing the operation of a release button, first and second release switches, operation of a voice recording means, and the like in the third embodiment.

FIG. 21 is a time chart showing operations of a release button, first and second release switches, operation of a voice recording means and the like in the eleventh embodiment.

FIG. 22 is a time chart showing the operation of the release button and the first and second release switches, the operation of the audio recording means and the like in the twelfth embodiment.

[Explanation of symbols]

4 controller 901 Release button 901A 1st release switch 901B 2nd release switch

Claims (15)

[Claims] 1. A first release switch which is turned on while the release button is being pressed halfway or more, and a second release switch which is turned on when the release button is fully pressed.
A camera provided with a release switch and a recording means for starting recording in synchronization with the operation of the release button, wherein when the release button is released after the release button is fully pressed A camera characterized in that the recording means starts recording when the first release switch is switched from on to off after the release switch is switched from on to off. 2. The camera according to claim 1, wherein the recording means starts recording after a delay of a predetermined time from a time point when the first release switch is turned on. 3. The recording means starts recording with a minimum gain when the first release switch or the second release switch is turned on, or when the first release switch or the second release switch is turned off, and the first release is started. The camera according to claim 1, wherein when the switch is turned on, the recording means records with a normal gain. 4. A warning display is provided when the first release switch is turned on by half-pressing the release button and after a predetermined time delay or when recording is started with a minimum gain. The camera according to claim 3. 5. The camera according to claim 4, wherein a warning mode in which the warning is displayed and a normal mode in which the warning is not displayed can be selected. 6. The camera according to claim 1, wherein photographing is started at the same time when the recording means starts recording. 7. The recording start timing of the recording means is
The camera according to any one of claims 1 to 5, which is after the timing of starting shooting. 8. A first release switch which is turned on while the release button is being pressed halfway or more, and a second release switch which is turned on when the release button is fully pressed.
A camera provided with a release switch and a reproducing means for reproducing an image and a sound in conjunction with the operation of the release button in the reproduction mode, wherein the release button is fully pressed in the reproduction mode. After that, when the release button is released, when the second release switch is turned on and then the first release switch is turned on and off, the reproduction means reproduces an image and a sound. And the camera. 9. A warning of the delay or the start of recording at the minimum gain when playing back a recording that was started after a predetermined time delay or when starting recording at the minimum gain 9. The display according to claim 8.
The camera described in. 10. The camera according to claim 9, wherein a warning mode in which the warning is displayed and a normal mode in which the warning is not displayed can be selected. 11. The first and second release switches are mechanical switches, and when the release button is fully pressed and then released, noise generated by turning on and off the second release switch disappears. The camera according to any one of claims 1 to 10, wherein the first release switch is set to be turned off after the operation. 12. The recording according to claim 1, wherein the recording or the recording of the moving image is finished when the release button is operated again and the first release switch is turned on.
The camera according to any one of 1. 13. Recording or video recording ends when the first release switch is turned on and off by fully pressing the release button again, and when the first release switch is turned off and then turned on from the end. 12. The camera according to claim 1, wherein the recordings up to are deleted. 14. The recording or the recording of the moving picture is ended when the release button is fully pressed again to turn the first release switch from ON to OFF, and is traced back to at least the time when the first release switch is turned ON, and is traced back to this point. 12. The gain recorded from the time to the time when the first release switch is turned off is minimized or gradually reduced.
The camera described in any one of 1. 15. The method according to claim 13 or 14, wherein when the voice is deleted or the gain to be recorded is reduced, the warning means gives a warning before starting the recording or at the time of reproduction. The camera described in one.