JP2003161980A - Shutter controller of photographic device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shutter controller of a photographic device which can effectively use a stroboscopic light source adaptive to secular deterioration of a series of operations of a shutter in such a case when a picture is taken by using the stroboscopic light source. <P>SOLUTION: When a shutter blade operates, a reference pulse b2 of a 1st detection signal (b) is generated. The time T obtained by subtracting a time t4 needed for a stroboscopic light emission quantity (d) to reach its peak after a trigger pulse e1 is generated from a time t1 needed for a shutter opening extent (a) to reach its fully open extent from the reference pulse b2 is generated begins to be counted. The trigger pulse e1 is generated the time T later and the stroboscopic light emission quantity reaches the peak a time t4 later. The point of time when the peak is reached matches the point of time when the shutter begins to operate with a release pulse c1 is fully opened. Even if the time t2 varies owing to deterioration of a shutter spring, etc., correction is made adaptively thereto, so perfect synchronous photography is carried out. <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 shutter control device in a photographing device, and more particularly, to an object such as a violating vehicle which travels while ignoring a red traffic light or a violating vehicle which travels beyond a speed limit. When the arrival at a predetermined position is detected, a separately installed strobe section is caused to emit light so that the object can be photographed.

[0002]

2. Description of the Related Art Generally, an unmanned vehicle that is traveling on a road such as a public road, which has a red traffic light, is monitored unattended, and when the traffic light is ignored, the vehicle is photographed.
Give a warning to the driver or owner of the vehicle at a later date,
Certain penalties and penalties have been imposed.

In addition to unmanned monitoring that a vehicle enters a crossing despite a red traffic light, unmanned monitoring that the traveling speed exceeds a predetermined speed limit is detected, and a violation is detected. At times, photographing is performed in the same manner as described above. Then, as a specific example of unmanned monitoring that the vehicle ignores the signal and enters the intersection, and photographing the violating vehicle,
There are the following.

That is, as disclosed in Japanese Utility Model Laid-Open No. 60-150531, the main body of the photographing apparatus is installed at a position where the intersection can be overlooked, and the red color of the vehicle is detected by an appropriate detecting means such as a pressure sensor buried in the road. When taking a picture of the offending vehicle when signal neglect is detected, 3
I try to imprint all kinds of screens at once.

Of the three types of screens, the first screen is
Is a screen that was photographed using a license plate with a registration number identifying the vehicle as described above and a taking lens having a telephoto focal length so that the driver's face can be clearly imaged at a large magnification. The screen 2 is a screen in which a wide range of subjects including a violating vehicle and vehicles around the vehicle are photographed using a photographing lens having a wide-angle focal length.

The reason why the second screen is photographed in this manner is that the license plate of the infringing vehicle and the driver's face are clearly and clearly photographed at a large magnification even in the above-mentioned first screen, and so the so-called evidence photograph is taken. Plays the role of
At the same time, wide-angle shooting of a wide range of subjects existing around the violating vehicle is useful for objectively reconfirming the situation.

The third screen displays data such as the date and time when the vehicle violates, for example, "whatever the number of years, months, days, hours, minutes and seconds when the vehicle is red, It is a screen displaying data relating to a violation time such as "entered an intersection" and data such as a number for identifying the installation location of the device. In addition, the above-mentioned image capturing apparatus is often used in a state of continuous operation for a considerably long time due to its nature, and it is possible to attach / detach parts of the members constituting the entire apparatus that require regular maintenance. Need to be easy.

For this reason, the shutter mechanism unit, which requires a short period of regular maintenance, is not fully developed.
As disclosed in Japanese Laid-Open Patent Publication No. 0529, it is desirable to make it detachable by screwing or the like. Now, the photographing positions (positions on the road of the vehicle to be photographed) of these various photographing devices are fixed at a plurality of points set in the vicinity of the position where the vehicle detection means is installed, and in the vicinity thereof. A strobe device is installed and auxiliary light is emitted from the strobe device when the subject brightness is low, and strobe light is emitted when the subject is backlit.

Further, in these devices, a high shutter speed is required in order to photograph a high-speed moving subject (violating vehicle) without image blurring, and moreover, a stable shutter time is secured for a long period of time. In order to have to
In fact, the shutter speed is checked and the shutter speed is adjusted in a relatively short cycle.

[0010]

In order to photograph a high-speed moving subject (violating vehicle) without blurring the image, a high shutter speed of about 1/1000 second must be set, and a stable shutter time is long. Since it must be ensured over the period, the shutter speed is inspected and the shutter speed is adjusted at a relatively short cycle.

Therefore, there is a problem that a lot of man-hours for these inspections and adjustments are required, and these inspections and adjustments work is carried out at a high place where the photographing section is installed and at a site near a road on which a vehicle moves. There is a problem that it has to be carried out and it is a dangerous work, and it also has to temporarily interrupt smooth traffic flow depending on the situation of the installation site.

In order to reduce on-site work as much as possible, it is possible to prepare a shutter unit that has been inspected and adjusted in advance, remove the shutter unit that is in operation and replace it with a shutter unit that has been inspected and adjusted at the site. However, this is not a good idea because it causes a significant cost increase for the entire system of the image capturing device.

The member that deteriorates the stable shutter speed is
In the shutter device, it is a shutter spring which is a drive power source for opening and closing the shutter blades. Since the spring force of this shutter spring decreases with use, it is necessary to readjust these during periodic inspection and adjustment.

On the other hand, when performing flash photography, it is necessary to generate a strobe trigger signal in perfect synchronization with the full opening of the shutter. However, in the conventional device, the strobe trigger signal is detected at the same time when the full opening of the shutter is detected. Therefore, although flash photography can be performed for a while, there is a problem in that the flash light source is effectively used.

That is, in order to most efficiently perform the flash-synchronized shooting, it is required to control so that the flash light emission peaks within the time when the shutter is fully opened. Although there is no problem by uniformly generating a strobe trigger signal when the shutter is fully opened, in the case of shooting in a traffic state, in order to shoot a high-speed moving subject (violating vehicle) without blurring the image, 1
High-speed shutter speed of about 1000 seconds must be set.

Then, about 1/100 of the shutter fully open time
If you do not set the flash emission peak within 0 seconds, you will not be able to use the strobe light source effectively, which will reduce the effective utilization rate and cause unnatural illumination with uneven illumination, or in extreme cases. Has a problem that flash synchronized shooting is not possible.

The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to obtain a stable shutter time for a long period of time, and further, to deteriorate the spring force generated in the shutter spring. It is an object of the present invention to provide a shutter control device in an image pickup apparatus that can reliably obtain a predetermined shutter speed even if the above occurs over time. Further, even when a series of operations of the shutter deteriorates over time when shooting is performed using a strobe light source, the shutter control device in a shooting apparatus capable of effectively utilizing the strobe light source in response to this deterioration. To provide.

[0018]

In order to achieve the above object, the invention as set forth in claim 1 emits light from a strobe section separately installed when detecting that an object reaches a predetermined position. In the photographing device for photographing the target object, the setting means for detecting the specific operation position in the opening / closing operation of the shutter blade and the time from the detection timing of this detection means until the trigger signal is output to the strobe Means for correcting the shutter speed error at the time of the previous shutter opening / closing every time the shutter is charged, and synchronizing the opening / closing operation by the shutter blades with the light emission of the strobe unit. Is.

The invention according to claim 2 is further provided with setting means for performing correction based on time data from the time of the strobe trigger to the time when the amount of light emission reaches its maximum value. It is characterized in that it is configured so as to be synchronized with the time point when the amount of light emitted from the strobe section reaches the maximum value.

Further, the invention according to claim 3 is provided with a measuring means for measuring the operating time of the shutter blades, and a setting means for obtaining the correspondence data of the trigger timing of the strobe part with respect to the operating time of the shutter blades. It is characterized in that the trigger timing of the strobe part is corrected to emit light in response to a change in operating time due to the shutter blades.

[0021]

[Action]

The shutter control device configured as described above, when detecting that the object has reached a predetermined position, causes a separately installed strobe section to emit light to photograph the object. The detection means in this device detects a specific operation position in the opening / closing operation of the shutter blade. Since the time from the detection timing of the detection means to the output of the trigger signal to the strobe by the setting means is set, the strobe section can be caused to emit light in synchronization with the fully opening operation of the shutter blades.

Further, the setting means in the shutter control device configured as described above performs correction based on the time data from the time of the strobe trigger to the time when the amount of light emission reaches the maximum value, and the previous shutter is released for each shutter charge. This time, the error in the shutter speed at the time of opening / closing is corrected this time so as to match the position where the light emission amount of the strobe unit becomes the maximum value in synchronization with the fully opening operation by the shutter blade.

[0024]

Embodiments of the present invention will be described below with reference to the accompanying drawings. First, a first embodiment of the present invention will be described with reference to FIGS.
Will be described in detail. This embodiment is an example in which the present invention is applied in the case where a vehicle traveling at an intersection intersecting in a cross shape is traveling despite having a red traffic light Is shown. The overall configuration of this image capturing apparatus is as shown in the block diagram of FIG. 1, and its main part is composed of an image capturing section 10, a control section 30, and a strobe section 50. Further, in this embodiment,
As shown in FIG. 2, four traveling lanes 1A, 1B, 1C,
A four-lane vehicle road 1 and a four-lane vehicle road 2 each have a four-lane vehicle passage 3 and four vehicle lanes 4, respectively. The vehicle (object) is photographed when a vehicle traveling on the vehicle passage 1 ignores a signal at an intersection 5 where a road having four lanes on each side crosses in a cross shape.

Further, although the details will be described later, the outline thereof is that when a traffic violation of a vehicle that has reached a predetermined position in a vehicle passage formed of a plurality of traveling lanes is detected, the vehicle travels along the vehicle passage. The photographing is performed with the focal length of the zoom unit 11 in the photographing unit 10 installed as a set is optimally driven and the photographing distance in the focus unit 15 is optimally driven.

As shown in FIG. 2, a traffic light 6 is installed at a predetermined height position of the vehicle passage 1 facing left of the intersection 5, and the intersection 5 is on each of the four traveling lanes 1A to 1D. The four vehicle sensors 31A, 31B, 31 corresponding to the respective traveling lanes 1A to 1D are provided on the road surface near a stop line (not shown) installed immediately before the vehicle.
First vehicle detection means 31 formed of C and 31D is provided.

The first vehicle detecting means 31 is arranged such that the vehicles traveling on the traveling lanes 1A to 1D in the vehicle passage 1 are in the vicinity of a first predetermined position set in each traveling lane, that is, a stop line. It is to detect the arrival at. Further, in front of the first vehicle detection means 31, a vehicle traveling in the traveling lane is located at a second predetermined position located in the traveling lane closer to the traveling direction (left direction) than the first predetermined position. A second vehicle detection means 32 for detecting the arrival is provided.

The second vehicle detecting means 32 is provided with vehicle sensors 32A, 32B, 32C, 32 provided near the respective traveling directions of the four traveling lanes 1A to 1D.
Configured as D. These vehicle sensors 31A-31
In the case of this embodiment, D and 32A to 32D are composed of pressure sensors that detect the arrival of the vehicle by being stepped on by the tires of the traveling vehicle.

It should be noted that a vehicle passage 1 formed of four lanes
Is a traveling lane 1A on the left side of the traveling direction of the vehicle (indicated by a thick arrow in FIG. 2) that allows straight traveling and a left turn.
It is set so that you can go straight and turn right. Also, intersection 5
A shooting unit 10 and a control unit 30 are installed in front of the vehicle along the vehicle path 1, and a strobe unit 50 is installed at a position closer to the intersection 5 than the installation position of the shooting unit 10.

The strobe unit 50 irradiates light to the entire range of the angle changing range 8 of the deflection of the photographing optical axis by the photographing unit 10 installed along the road constituted by the vehicle passage 1. Have nine. From another perspective, the number of the vehicle sensors 31A to 31D and 32A to 32D forming the first vehicle detection means 31 and the second vehicle detection means 32 is determined regardless of the location of the vehicle. The irradiation angle 9 is set so that the plate and the driver's face photograph can be clearly photographed.

Returning to FIG. 1, the photographing section 10 photographs the traffic violation vehicle which has reached the first predetermined position in the vehicle path, that is, the position of the first vehicle detection means 31, and at the same time, the second vehicle. The traffic violation vehicle that has reached the detection means 32 is photographed again for confirmation. Specifically, the following seven components are provided: a zoom unit 11, a film feeding unit 12, a data imprinting unit 13, a diaphragm unit 14, a focusing unit 15, a shutter unit 16, and a deflecting unit 17. There is.

Next, details of these seven components will be described. The zoom unit 11 includes a photographing lens (not shown) included in the photographing unit 10 so that the violating vehicle can be imaged at a predetermined magnification on the photographing screen based on the position of the violating vehicle or the position of the violating vehicle obtained by the focus unit 15. No.) can change the focal length.

The film feeding unit 12 winds the film at an appropriate timing based on the control of the control unit 30, and the film is a long winding film having a width of 35 mm. It can be done by changing the film twice. The data imprinting unit 13 displays data such as date and time at the time of the violation, for example, “Which seconds after the traveling lane 1A to 1D, despite the fact that the traffic light is red at what hour, minute, and second of the year, month, and day. This is for recording on the film surface data concerning a violation of signal neglecting such as "I have traveled on a certain traveling lane," and data such as a number identifying the installation location of the image capturing device.

The diaphragm unit 14 gives proper exposure to the film based on a command from the control unit 30, and is variably controlled in relation to the shutter speed. Further, at the time of this photographing, the strobe unit 50 is made to emit light in order to clearly photograph the license plate of the infringing vehicle and the face photograph of the driver. The focus unit 15 controls the focus lens of the photographing lens of the photographing unit 10 to be in a focused state under the control of the control unit 30.

The shutter section 16 gives an appropriate exposure to the film at a predetermined shutter speed under the control of the control section 30. In the case of this apparatus, the subject is a traveling vehicle.
In order to capture an image without image blur, a high shutter speed of about 1/1000 second is used. Under the control of the control unit 30, the deflecting unit 17 directs the photographing optical axis direction from the place where the photographing unit 10 is installed to the first and second predetermined positions for each of the traveling lanes 1A to 1D. It is driven.

The zoom unit 11 and the film feeding unit 1
2, the image capturing unit 10 including the data imprinting unit 13, the diaphragm unit 14, the focusing unit 15, the shutter unit 16, the deflecting unit 17, and the like, and the strobe unit 50 are the two components.
By 0, various controls are performed. The flash unit 50 includes a light emitting unit 51 and a light emission amount switching unit 52.
In the same manner as the image capturing unit 10, it is controlled in a complex manner by using the control function of the microcomputer.

Next, details of the control unit 30 will be described. The first vehicle detection means 31 is a vehicle sensor 31 provided in the traveling lanes 1A to 1D forming the vehicle passage 1.
A-31D, these vehicle sensors 31A-31
Each output end of D is connected to the input end of the violation detection means 33 in the next stage, and vehicle detection by the vehicle sensors 31A to 31D is repeatedly performed at a predetermined cycle. A code is added to identify which vehicle sensor it is.

The second vehicle detecting means 32 is installed at a position separated from the first vehicle detecting means 31 by a predetermined distance, and is arranged in the traveling lanes 1A to 1D forming the vehicle passage 1 in the same manner as described above. The output ends of the vehicle sensors 32A to 32D provided are connected to the input ends of the violation detection means 33 in the next stage, and the vehicle detection by the vehicle sensors 32A to 32D is repeated at a predetermined cycle. A code for identifying the vehicle sensor is added to each of the outputs.

The violation detecting means 33 determines whether or not the vehicle is in violation of traffic when the vehicle is detected by using the first vehicle detecting means 31 or the second vehicle detecting means 32. Then, as described above, the vehicle detection data from the first vehicle detection means 31 and the second vehicle detection means 3
The vehicle detection data from 2 is supplied.

The output terminal of the violation detecting means 33 is connected to the control means 35 through the violating vehicle position specifying means 34 in the next stage. This violating vehicle position specifying means 34
Is lane identification data that identifies which lane of the plurality of traveling lanes the violating vehicle detected by the violation detecting means 33 is, and which of the first and second predetermined positions the vehicle is. The position specifying data for specifying whether or not the position is located is generated.

More specifically, the first vehicle detection means 31
And vehicle sensors 3 forming the second vehicle detection means 32 and four installation positions of the vehicle sensors 31A to 31D forming the second vehicle detection means 32.
Position specifying data for specifying a total of 8 positions including 4 positions of 2A to 32D are generated.

On the other hand, the input means 36 is a distance from the photographing lens in the photographing section 10 to the first and second predetermined positions of each of the four traveling lanes 1A to 1D, that is, the photographing lens to the first vehicle. Four positions up to the installation positions of the vehicle sensors 31A to 31D forming the detection means 31,
As photographing distance data for specifying a total of 8 distances from the photographing lens to the installation positions of the vehicle sensors 32A to 32D forming the second vehicle detection means 32, a total of 8 distances are set in advance when the photographing unit 10 is installed. It is stored in the storage unit 37.

Simultaneously with this, the input means 36 sets the photographing optical axis direction from the place where the photographing section 10 is installed at 8 at the first and second predetermined positions of each of the plurality of traveling lanes 1A to 1D. The photographing optical axis deflection angle data when collimating the respective places is also stored in the storage unit 37 in advance when the photographing unit 10 is installed. Further, not only the photographing distance data and the photographing optical axis deflection angle data are input to the storage unit 37 by using the input means 36, but also the focal length data of the zoom unit 11 and the diaphragm in the diaphragm unit 14 at each of the above-mentioned eight locations. You can also enter data.

The storage of each data in the storage unit 37 is carried out by observing the actual photographing screen while photographing distance data, photographing optical axis deflection angle data, focal length data, and diaphragm. By inputting data or the like to the storage section 37 via the input means 36, the actual driving can be performed. As a specific example of this, a setting unit 41 that performs a setting operation for the imaging unit 10 is connected to the control unit 35. The setting means 41 includes the following first to sixth setting means. That is, the first setting means holds the shutter open when necessary, and specifically, the shutter of the taking lens barrel is a valve, and the second setting means is the taking lens. The aperture of the lens barrel is set to an arbitrary aperture, for example, an aperture or a predetermined value that can secure a minimum depth of field.

The third setting means holds the focusing screen in contact with the film exposure opening. Specifically, the focusing plate made of frosted glass is held in contact to visually check the image formation state. Or a light receiving surface of an element for converting an optical image / electrical signal such as CCD can be held in contact with and confirmed by a monitor television or the like.

Further, the fourth setting means gives a command for driving the object distance of the photographing lens to an arbitrary position so that a distance drive ring (not shown) can be driven to an arbitrary angular position. Is. Further, the fifth setting means gives a command for driving the focal length of the photographing lens to an arbitrary position so that it can be driven to an arbitrary zoom position.

Furthermore, the sixth setting means gives a command for driving the photographing optical axis to an arbitrary position (angular direction) so that the optical axis can be driven to an arbitrary turning position.
Therefore, while actually confirming the image formed on the exposure aperture surface, while observing the variable magnification state, the changing state, the in-focus state, and the focus state based on the depth of field, various optimum data can be obtained. Is stored in the storage unit 37 as preset data.

Now, the output end of the storage section 37 in which the data is stored by the input means 36 is connected to the control means 35, and the control means 35 is connected to the first selecting means 38 and the second selecting means 39. Has been done. First selection means 38
Is a plurality of traveling lanes 1A to 1 that constitute the vehicle passage 1.
Whether or not the vehicle traveling on any one of the lanes D should be photographed when the violation is detected by the violation detecting means 33,
It decides the order of shooting.

More specifically, the first vehicle detection means 31
And vehicle sensors 3 forming the second vehicle detection means 32 and four installation positions of the vehicle sensors 31A to 31D forming the second vehicle detection means 32.
The selection data is used to specify each of the four installation positions of 2A to 32D and the total of eight installation positions.

The second selecting means 39 selects the first selecting means 38 from the plurality of data of the aperture, the aperture, the photographing distance, the focal length, and the deflection which are stored in the storage section 37 in advance by the inputting means 36. This is for selecting each data of the diaphragm, the photographing distance, the focal length, and the turning direction corresponding to the photographing lane selected in (3) and corresponding to the position specifying data detected by the violating vehicle position specifying means 34.

Next, details of the shutter mechanism in the shutter section 16 will be described with reference to FIGS.
That is, the main part of the shutter mechanism is the shutter front plate 101.
And a shutter rear plate 101A (see FIGS. 3 and 4) between two base plates. An exposure opening 102 having a rectangular shape, that is, a shape corresponding to the photographic screen, is formed in the approximate center of the shutter front plate 101 so as to face the exposed surface of the film.

A first pulley 103 and a second pulley 104 are rotatably held on both sides of the exposure opening 102 in the longitudinal direction with a predetermined space therebetween. A thin disk-shaped first shutter blade 105 and a second shutter blade 106 are concentrically fixed to the first and second pulleys 103 and 104, respectively.

Then, the first and second shutter blades 10
Reference numerals 5 and 106 are rotary shutter blades that selectively expose the exposure opening 102 of the film. In this first shutter blade 105, two openings 105A and 105B having the same shape as the above-described exposure opening 102 are formed at a circumferential angle of 180 degrees, and the second shutter blade 106 also has the same opening 106A and 105A. 106B is drilled.

Two such first pulleys 103 and a second pulley
A timing belt 107 is stretched between the pulleys 104 with a predetermined tension applied by a tension pulley 108. These four openings 105A,
The positional relationship between 105B, 106A and 106B and the exposure opening 102 is such that when the first shutter blade 105 is rotated, the exposure opening 102A is exposed by the opening 105A when the first shutter blade 105 is rotated. Opening 1
02 is exposed, the first shutter blade 105 is further rotated 180 degrees, and the exposure opening 1 is opened at the opening 105B.
02 to expose the opening 1 of the second shutter blade 106
The exposure opening 102 is exposed at 06B.

Further, on the outer peripheral portion of the first shutter blade 105, four reference notches 105C are formed for detecting the timing of the shutter fully opening and the rotational position of the shutter itself. Interrupter 1
35 for detection.

Four reference notches 105C for detecting the rotational position of itself are formed, and the position of the reference notches 105C is detected by the photo interrupter 135. A combination of the reference cutout 105C and the photo interrupter 135 constitutes a first detection member that detects the rotation state of the first shutter blade 105 and outputs the first detection data.

A large-diameter gear 103A is concentrically fixed to the above-described first pulley 103, and this gear 103A is engaged with a shutter drive gear 110 via an idler gear 109. As shown in FIG. 4, the shutter drive gear 110 as the first drive disc rotates near the upper part of the support shaft 133 fixed in the direction perpendicular to the plate surface between the shutter front plate 101 and the shutter rear plate 101A. The shutter charge gear 110 is movably held, and below the shutter drive gear 110, a spring charge gear 111 serving as a second drive disk is rotatably held by the support shaft 133.

The shutter drive gear 110 is
First and second shutter blades 10 as rotary shutter blades
It is the first drive disk that rotates 5, 106.
In addition, the spring charge gear 111 is a second core rotatably arranged concentrically with the shutter drive gear 110.
It is a driving disc. This spring charge gear 111
The tooth surface of the reduction gear 112 of small diameter meshes with the tooth surface of the reduction gear 112, and the tooth surface of the reduction gear 113 of large diameter concentrically connected to the reduction gear 112 is the output gear 114 of the pulse motor 115.
It is meshed with the tooth surface of.

In the shutter drive gear 110, the outer circumference of the lower part of the above tooth surface is formed to have a small diameter, and the stopper cam plate 116 and the reset cam plate 117 are positioned on the peripheral surface of this small diameter so that the stopper cam plate 116 is positioned above. They are rotatably fitted in a two-tiered state under the constraint described later. The stopper cam plate 116 and the reset cam plate 11
As shown in FIG. 5, 7 is configured to be disengaged from a pivot 119 by a rotatable cam operating lever 118.

That is, the cam operating lever 118 is formed by first, second, and third arms having three T-shaped arms, and the first locking surface 118A at the open end of the first arm has a stopper cam plate. 1
16 is selectively engaged with the stopper cam surface 116A, the base of the second arm is extended downward, and the second locking surface 118C at the tip thereof is against the reset cam surface 117A of the reset cam plate 117. The third arm is selectively engaged, and the base of the third arm is pulled by the spring 120 to support itself on the support shaft 119.
A counterclockwise turning force is applied around
A drive pin 118B is fixed near the open tip of the arm. A drive shaft (movable iron core) 122 of a solenoid 123 is connected to the drive pin 118B, and the solenoid 123
When is sucked, the entire cam actuating lever 118 can rotate in the clockwise direction around the support shaft 119. The cam operating lever 118 is a locking lever that locks the rotation of the shutter drive gear 110 serving as a first drive disk, and has a function including the solenoid 123, the drive shaft 122, and the drive pin 118B. Part
It is a release member that releases the locking of the shutter drive gear 110 by the cam operating lever 118.

The above-mentioned three members of the shutter drive gear 110, the stopper cam plate 116 and the reset cam plate 117 are
The three members are fixed by the first spring hooking pin 125. One end of the charge spring 124 is hooked on the first spring hooking pin 125, and an intermediate portion is loosely wound around a small diameter portion formed at the end of the spring charge gear 111. A second spring hooking pin 126, which is planted in the spring charge gear 111, is hooked on the end.

The charge spring 124 is provided between the first and second drive discs, that is, the shutter drive gear 110 and the spring charge gear 111.
That is, a shutter spring is configured to apply a rotational biasing force in the directions in which 111 are rotated in opposite directions.

Further, in the pulse motor 115, the first drive disc, that is, the shutter drive gear 110 is inserted through the stopper cam plate 116 into the first locking surface 11 of the cam operating lever 118.
When locked at 8A, the second drive disc, ie,
The spring charge gear 111 is rotated against the urging force of the charge spring 124, and serves as a shutter charging motor.

A charge wheel 127 is concentrically arranged on the spring charge gear 111 described above, and these two are fitted in an arc-shaped elongated hole 111A for finely adjusting and fixing the relative position. The mating setscrews 131 and 132 can be fixed within a predetermined adjustable fixing range.

On the peripheral surface of the charge wheel 127,
Reference notches 127A are provided at four positions at equal angular intervals,
The rotation state of the spring charge gear 111 as the second drive disk is detected by the photo interrupter 128, and the second detection data can be generated. here,
The photo interrupter 128 and the charge wheel 12
The reference notch 127A formed in 7 will be referred to as a second detecting member.

The charge wheel 127 has a charge pin 129 protruding toward the shutter drive gear 110 side, and the reset cam plate 117 has a stopper pin 130 protruding toward the spring charge gear 111 side. As shown in FIG. 6, the positional relationship between the charge pin 129 and the stopper pin 130 is the maximum movement range of the charge pin 129 with respect to the position of the stopper pin 130 when the shutter drive gear 110 is locked. It can rotate by an angle θ, and this angle θ is a fine adjustment angle range between the spring charge gear 111 and the charge wheel 127.
That is, the angle α corresponding to the range in which the set screws 131 and 132 can move in a state of being fitted in the elongated hole 111A is included.

The shutter front plate and the shutter rear plate 101
A support shaft 11 fixed between A and the shutter drive gear 110 and a spring charge gear 111 rotatably supported.
A one-way clutch 134 is interposed between 3 and the spring charge gear 111.

The operation of the present embodiment configured as above will be described with reference to FIGS. 7 to 14. When the power is turned on in step # 0 (hereinafter, "step #" is abbreviated as "#"), power is supplied to each part of the circuit, the process proceeds to the next step # 1, and the digital input / output circuit is reset. , Other conditions are set.

There are eight types of the initial setting, that is, Condition 1 to Condition 8 of # 30 shown in FIG. 8, and these conditions are executed in parallel or in series. The setting of the condition 1 is a setting of the effective lane number, and selects which of the four traveling lanes 1A to 1D forming the vehicle traffic path 1 to be selected for detecting the traffic violation and photographing. Further, it is possible to set in advance the condition in which the violation is detected in the selected traveling lane.

In any of the conditions 2 to 5 described below, the actual photographing screen is observed and actually observed by the first to sixth setting means included in the setting means 41 as described above. By driving the above-mentioned photographing conditions, the conditions at the above-mentioned eight photographing positions are input and set. The condition 2 is set such that the distance driving ring of the photographing lens barrel in the photographing unit 10 is driven manually or by an electric motor to focus on each of a plurality of photographing positions (eight in this embodiment). The data is preset in advance.

The setting of condition 3 is optimal for each of a plurality of photographing positions (eight places in this embodiment) having a plurality of photographing magnifications by driving the zoom driving ring of the photographing lens barrel in the photographing unit 10 manually or by an electric motor. This is to preset preset data for changing the magnification so as to obtain the desired value. The setting of Condition 4 is to set preset data for optimizing the aperture value at the time of shooting for each of a plurality of shooting positions (eight places in this embodiment).

When inputting aperture data to the storage unit 37 using the input means 36, a range between the maximum aperture value and the minimum aperture value of the aperture opening of the aperture unit 14 in the photographing unit 10 is set. The input is allowed, and even if the value of the non-existing aperture opening is input by the input means 36, it is not accepted. As a specific example of the input, the target aperture data is stored in the storage unit 37 by selectively turning on either the up switch or the down switch for increasing the currently set input numerical value.

The condition 5 is set by setting the preset data by driving the photographing optical axis in the deflecting unit 17 to each of a plurality of photographing positions (8 positions in this embodiment) toward the violating vehicle. is there. The condition 6 is the film feed setting, which is the setting for the number of frames to be taken before the end of the shooting, and the imprint data when the various data is imprinted on the film at the same time when the violating vehicle is taken. Setting.

The setting of condition 7 is a preset setting of the amount of light emitted from the strobe unit 50. Specifically, the amount of light is changed by changing the capacity of the main condenser of the strobe or stopping the strobe light emission on the way. You can

In the case of the present embodiment, the number of photographing points is 8, that is, 4 points on the short distance side and 4 points on the long distance side.
At the four points on the near distance side, that is, at the photographing points of the vehicle sensors 32A to 32D of the second vehicle detection means 32, the small light amount mode is set, and at the four points on the far distance side, that is, the vehicle of the first vehicle detection means 31. When the photographing points of the sensors 31A to 31D are set, it is possible to perform two-stage setting such that the large light amount mode is set.

More strictly, the guide number is set so that proper exposure can be obtained from the set aperture value and shooting distance. The condition 8 is set as a preset shooting cycle, and whether shooting is performed each time a violation is detected in violation detection, or whether a specific time period is set, and whether or not a violation is detected at all times. It is preset whether or not to go and obtain statistical data.

The conditions 1 to 8 can be set by directly inputting the output value of a potentiometer, a counter or the like, or by inputting means such as a keyboard switch or a touch switch.

When the conditions 1 to 8 are set in # 30 as described above, it is determined whether or not the conditions 1 to 8 have been set by moving to the next # 31. , # 30 is executed again, and in the case of YES, the process proceeds to # 32, and whether or not the condition setting is set to the desired one is repeated to determine whether or not to reproduce, In the case of YES, the process proceeds to # 33 to perform a demo operation, that is, a series of shooting operations are actually performed assuming that a violation occurs in the valid lane number determined by the condition 1 set in # 30. Then, in the next # 34, it is determined whether or not the operation is completed, and if NO, the process returns to # 33, and if YES, the process proceeds to # 40 to close the shutter and start a series of initial operations. The setting is completed.

On the other hand, in the case of NO in # 32, in order to visually confirm the contents of conditions 1 to 8 in # 30, the shutter is opened in the next # 35 and the contents of condition setting are reproduced. . As described above, the focus glass is detachably attached to the exposure opening of the photographing unit 10 by the third setting means of the setting means 41 as described above, and in this state, the shutter is made a valve by the first setting means. It is performed by opening the diaphragm by the second setting means and observing the photographed image on the focus glass.

Then, after the condition setting is driven, the process proceeds to # 37, and whether or not the reproduced setting condition is changed is selected at # 37, and if YES, the process proceeds to # 38. Then, the setting condition is changed, the changing condition is reproduced, the process proceeds to # 37, and whether to change the setting condition is selected again. If YES, # 38 is executed again.

If # 37 is NO, that is, if the setting conditions need not be changed, the process proceeds to the next # 39 and it is determined that the setting changing operation is completed, and if YES is returned in # 39. In the next step # 40, the valve operation is released and the shutter is closed. Then, the initialization routine of # 1 shown in FIG. 7 is completed and the process proceeds to the next step # 2. This # 2 is for selecting whether or not to shoot the violating vehicle. If the shooting is not to be performed, the process proceeds to # 3 to select whether or not the condition is changed,
If NO, the condition is confirmed in # 4 if YES in # 2, and if there is no condition change, YES is selected and the process proceeds to # 5.

In step # 5, the actual operation is performed under the set photographing conditions, and after the operation is completed, the operation is returned to step # 2. on the other hand,
If the answer is NO in # 4, the condition will be changed in # 6.
After the content is confirmed, it is returned to # 2.

If the answer is YES in # 2, the conditions 1 to 8 are set to the standby state immediately before the start of photographing so as to suit the variable shooting in # 7. The standby states of the conditions 1 to 8 are listed below. The setting of the condition 1 is the setting of the valid lane number, and the vehicle sensors 31A to 31D, 32A to 32 are set.
One of the Ds corresponding to the preset valid lane number to be detected is set to the detectable state.

The setting of condition 2 is focus setting,
The rotation angle of the focus drive ring of the photographing lens barrel in the photographing unit 10 is set to a predetermined photographing standby position. The shooting standby position may be set, for example, at the closest position to the focus drive ring or at the farthest distance.

More specifically, the current angle position corresponding to the current focus position of the distance driving ring is detected, the angle of the difference from the shooting standby position (target value) is calculated, and the current angle position is changed to the shooting standby position. The direction when driving to the (target value) is detected, and the step driving number corresponding to the driving angle data is obtained.

If a drive pulse signal is supplied to the stepping motor (not shown) by the number of steps thus obtained, the rotation rotates the focus drive ring and the focal length is changed to the photographing standby position (target value). Become.
The setting of Condition 3 is zoom setting, and the rotation angle of the zoom drive ring of the taking lens barrel is set to a predetermined photographing standby position. As the shooting standby position, for example, the zoom drive ring may be set to the widest angle side or the most telephoto side.

More specifically, the current angular position of the zoom drive ring is detected by using a variable-magnification driving means (not shown), and the angle of the difference from the photographing standby position (target value) is calculated, and
The direction when driving from the current angular position to the shooting standby position (target value) is detected, and the step driving number corresponding to the driving angle data is obtained. Then, by supplying a drive pulse signal to the stepping motor (not shown) by the determined number of steps, the zoom drive ring is rotated and the focal length is changed to the photographing standby position (target value).

The setting of Condition 4 is the aperture setting, and the aperture of the taking lens barrel is set to a predetermined photographing standby position. The shooting standby position is, for example, the limit aperture value set in advance or the minimum aperture value. Condition 5 is a turning setting, in which the photographing unit 10 having the photographing lens barrel is rotated to a predetermined photographing standby position. The shooting standby position may be the most counterclockwise swung angle or the most swirl clockwise angle.

Driving to such a photographing standby position is carried out by so-called open loop drive control, but the current drive angle of the drive ring is always detected and the stepping motor is driven by a predetermined number of drive steps ( It is also possible to perform so-called closed-loop drive control in which only a minute amount is driven and the drive is stopped when the desired angular position is reached. The setting of condition 6 is the setting of the film feeding condition, in which the film stored in the film magazine is fed to be positioned at the opening for exposure and is set to the standby state immediately before photographing.

The condition 7 is set to the amount of strobe light emission, and the vehicle sensor 3 forming the first vehicle detection means 31 is set.
1A to 31D, and the quantity of light set when photographing the violating vehicle and the vehicle sensors 32A to 32D forming the second vehicle detecting means 32. It is necessary to make it different from the amount of light.

For example, in the case of photographing a violating vehicle, first, after the first photographing is performed on a violating vehicle located at any of the vehicle sensors 31A to 31D at a long distance, the violating vehicle is taken at a short distance. Since the second photographing is performed when the vehicle is located at any of the vehicle sensors 32A to 32D, the strobe light emission amount (GNo) is prepared for the first photographing.
To

The setting of condition 8 is a cycle setting, and which of the vehicles traveling on the plurality of traveling lanes 1A to 1D forming the vehicle traffic route 1 is run when the violation is detected by the violation detecting means 33. I should take a picture of the vehicle in the lane,
The order of photography is determined or selected by the first selection means 38.

More specifically, when it is detected that one of the vehicles passing through the vehicle sensors 31A to 31D arranged at the first predetermined position is a violating vehicle, the first photographing is performed, Further, the cycle is set such that the second photographing is performed when the vehicle reaches any of the vehicle sensors 32A to 32D arranged at the second predetermined position.

The second selection means 39 is the input means 3
In step 6, from the plurality of shooting angle-of-view data stored in advance in the storage unit 37, the lane corresponding to the lane to be shot is selected by the first selecting unit 38 and is specified by the violating vehicle position specifying unit 34. The second selection means selects shooting angle-of-view data corresponding to the violating vehicle position data.

When the setting operation from the condition 1 to the condition 8 to the photographing standby position is executed as # 7 shown in FIG. 7 as described above, the process proceeds to the next # 8 to determine whether the operation is stopped or not. In other words, when a violation occurs, it is determined whether or not the actual shooting is allowed. If the operation is stopped, the process branches to YES and returns to # 2. On the other hand, in the case of NO, the process proceeds to the next step # 9, and the vehicle sensors 31A to 31D forming the first vehicle detection means 31 detect the vehicle.

Then, in the case of NO in # 9, that is,
When the vehicle is not present on the first vehicle detecting means 31, the process returns to # 8, # 8 is executed again, and # 8 is YES.
This operation is repeated until. If # 8 becomes YES during this repetition, # 2 and # 7 are executed again, then # 9 is executed, and vehicle detection is executed again.

More specifically, the operation of # 9 is performed by the vehicle sensor 3 forming the first vehicle detecting means 31 as shown in FIG.
Whether or not each of the outputs 1A to 31D has occurred is constantly detected by the violation detection means 33, and when passage of the vehicle is detected,
Vehicle passing data including the output generation signal and the address information indicating which of the vehicle sensors 31A to 31D is input to the violation detection means 33.

If YES in # 9, the following #
The process moves to 10 and a violation is judged. That is, traffic light 6
The red signal data input to the violation detection means 33 from is generated at a time point when a predetermined delay time has elapsed after the traffic light 6 started to light in red, and the red signal data described above is generated. It is adapted to be input to the violation detection means 33 together with the vehicle passage data.

The violation detection means 33 determines whether or not the signal is ignored based on the two states of the red signal data and the vehicle passing data. The above-mentioned red signal data is generated after a predetermined delay time has passed since the traffic light 6 turned red. The reason for this is as follows.

That is, it is inconvenient to add the above-mentioned delay time to one of the factors for judging whether or not to ignore the signal, if the signal simply becomes red when the signal turns red, it does not match the actual condition. For example, when the vehicle arrives on the stop line when the traffic light 6 is illuminated in yellow, the vehicle may not stop before and after the stop line and may stop near the center of the intersection. Since there is a risk of a rear-end collision with the following vehicle if the vehicle is stopped by sudden braking, it is inconvenient to violate a vehicle that runs unavoidably at the intersection 5, that is, so-called legally. Therefore, from the moment when the traffic light 6 changes from yellow to red, a time (for example, 0.3 seconds) that is sufficient for passing from the stop line to the intersection 5 at a predetermined speed limit is set as the delay time. .

By the way, in the case of NO in # 10, that is, in the case where the vehicle has passed any of the vehicle sensors 31A to 31D as the first vehicle detecting means 31, the process proceeds to # 15 and the four traveling lanes are executed. After the statistical traffic information of when the vehicle has passed is stored in any of 1A to 1D, the process returns to step # 8 described above, and the vehicle is detected and the statistical data is stored again as described above.

Then, when YES is determined in # 10, that is, when the passing vehicle is determined by the violation detection means 33 to ignore the signal, the process proceeds to # 11 and the first setting condition is set to 1
The first shot is taken. In this detailed operation, as shown in the flow chart of the subroutine of FIG. 12, the violating vehicle position specifying means 34 decodes the vehicle passage data output from the violation detecting means 33 to the violating vehicle position specifying means 34 in the lane in which the violation has occurred. The violating lane is specified, the control means 35 is activated, and # 50 is executed under the control of the control means 35. This # 50 performs four types of drive, that is, focus drive, zoom drive, diaphragm drive, and direction drive.

First, the data of the lane number (running lane 1C) specified by the violating vehicle position specifying means 34 is input to the control means 35. This violating vehicle position specifying means 34
Is the lane identification data for identifying which of the plurality of traveling lanes the infringing vehicle detected by the infraction detecting means 33 is, and the position of the vehicle in the first or second predetermined position. The position specifying data for specifying whether to perform is generated.

More specifically, the first vehicle detection means 31
And vehicle sensors 3 forming the second vehicle detection means 32 and four installation positions of the vehicle sensors 31A to 31D forming the second vehicle detection means 32.
This is position specifying data for specifying a total of 8 positions including 4 positions of 2A to 32D. The following operations are
It is assumed that the lane in which the violation has occurred is the traveling lane 1C and the position of the vehicle sensor 31C is specified as the position specifying data.

The control means 35 uses the input means 3 as described above.
6 is used to extract the data corresponding to the position of the vehicle sensor 31C from the aperture drive data stored corresponding to the eight positions already stored in the storage unit 37, and set to the photographing standby position. The diaphragm drive ring of the diaphragm unit 14 is preset-driven to bring the vehicle positioned above the vehicle sensor 31C into an appropriate exposure state.

More specifically, the present angular position of the diaphragm driving ring in the taking lens barrel is detected by the diaphragm detecting means, and the angle of the difference from the diaphragm data (target value) is calculated as the driving angle data. The direction when driving from the current angular position is detected, and the step number of the stepping motor corresponding to the driving angle data is obtained. Then, if the drive pulse signal is supplied to the stepping motor by the determined number of steps, the aperture is changed by the input means 36 to the storage means 37.
It is assumed that the preset data is stored in.

Simultaneously with this, zoom drive is performed. This zoom drive is performed by using the input means 36 as described above, and using the input unit 36, the position of the vehicle sensor 31C is selected from the scaling data stored corresponding to the eight positions already stored in the storage unit 37. The data corresponding to the above is taken out, and the zoom driving ring of the zoom unit 11 which is at the photographing standby position is preset driven by the taken out data so that the vehicle located above the vehicle sensor 31C can take a picture at a predetermined photographing magnification. To

Then, the direction changing drive is performed simultaneously with the focus preset drive, the zoom preset drive, and the aperture drive. This deflection driving is performed as follows. That is, as described above, it corresponds to the position of the vehicle sensor 31C from the turning data stored corresponding to the eight positions already stored in the storage unit 37 using the input means 36 as described above. The data is taken out, and the taken-out data sets the position of the camera main body at the shooting standby position, that is, the shooting lens barrel to a predetermined shooting position.

When focus drive, zoom drive, aperture drive, and deflection drive are executed in # 50 in this way, the following # 51 is executed.
At the same time as the exposure is started, the flash light emission is started, the violating vehicle traveling on the traveling lane 1C is photographed at a large photographing magnification with the violating vehicle positioned at the position of the vehicle sensor 31C and the center of the photographing screen. The license plate and the driver's face will be clearly captured.

Next, at # 52, the film is wound and the data is imprinted. The data imprinting content includes unique data that identifies the location where the image capturing unit 10 is installed, a display that identifies that the lane in which the violation has been detected is the traveling lane 1C, and the date and time when the red light comes on. Time data of day, hour, minute, second, and the number of seconds (one hundredth of a second) from when the red light comes on, the vehicle sensor 31C
Has been stepped on by the front wheel of the vehicle, in other words, that the vehicle has traveled over the stop line where the vehicle sensor 31C is installed by ignoring the signal, and the display is a predetermined character or symbol at the top of the film screen or Imprinted in the peripheral area such as the bottom.

When the first photographing is completed in this way, the flow shifts to # 53 to perform the shutter charge, and it is judged in the next # 54 whether or not it is the second photographing. Since this is the first shot, branch to NO and #
The processing is returned to 50, and # 51 to # 53 described so far are executed again. Then, in the case of the next time, # 54 branches to YES and moves to the end of # 55, and a series of photographing operations is completed.

Now, when the photographing of the first image is completed under the first setting condition of # 11 shown in FIG. 7, the process proceeds to the next # 12, and the second
The vehicle detection means 32 determines whether the vehicle is detected. If NO, the process returns to # 12 and the second vehicle detection means 32 detects the vehicle and repeats this determination operation until YES. . Then, at # 12, the second vehicle detection means 32
When the vehicle is detected by, the second image is taken in # 13 under the second setting condition.

By using the input means 36, the storage section 37 already has four installation positions of the vehicle sensors 31A to 31D forming the first vehicle detection means 31, and the second vehicle detection means 32. The focus drive data, the zoom drive data, the deflection drive data, and the like corresponding to a total of eight installation positions of the vehicle sensors 32A to 32D forming the vehicle position are stored.

Here, the above-mentioned first setting condition means the vehicle sensors 31A to 31D forming the first vehicle detecting means 31.
The focus drive data, the zoom drive data, and the deflection drive data corresponding to the four installation positions are selected. Further, the second setting condition includes focus drive data, zoom drive data, and deflection drive data corresponding to four installation positions of the vehicle sensors 32A to 32D forming the second vehicle detection unit 32. It is to be selected (set).

Then, the photographing under the second setting condition is as shown in FIG.
Similar to the flowchart shown in FIG. 2, first, the focus drive ring of the focus unit 15 installed at the position driven by the first photographing is preset-driven to position the vehicle sensor 32C installed in the traveling lane 1C. Focusing on a violating vehicle that is traveling.

Simultaneously with this, zoom drive is performed. This zoom drive is performed by using the input means 36 as described above, and the data corresponding to the position of the vehicle sensor 32C is selected from the photographing distance data already stored in the storage unit 37 corresponding to the eight positions. Of the violating vehicle located above the vehicle sensor 32C by preset-driving the zoom drive ring of the zoom unit 11 located at the position driven by the first image capturing, including other vehicles existing around the violating vehicle. A wide range can be photographed at a predetermined photographing magnification.

The focus preset drive, the zoom preset drive, and the diaphragm drive are simultaneously performed. This diaphragm drive drives the diaphragm drive ring, which is in the position driven by the first photographing, according to the diaphragm data already stored in the storage unit 37.

The time difference between the first and second photographing times is very small, and the subject condition of the first photographing and the subject condition of the second photographing are large. Since there is no change, there is no substantial inconvenience even if the proper aperture value at the time of the first shooting is directly adopted for the second shooting. Therefore, the aperture drive is omitted at the time of the second shooting. You may hold | maintain the state of the diaphragm driven by the photography of once.

Then, the zoom preset drive is performed simultaneously with the focus preset drive, the deflection preset drive, and the aperture drive. And the vehicle sensor 32C
Corresponding to the position of the storage unit 37 using the input means 36 in advance.
The appropriate aperture value determined by the output of the photometric circuit (not shown) while being driven by # 50 so as to be the focus drive data, zoom drive data, deflection drive data, and aperture drive data stored in Driven to.

Immediately after that, exposure is started in the next step # 51 and strobe light emission is started, and the vehicle sensor 32 detects a violating vehicle traveling on the traveling lane 1C forming the vehicle passage 1.
Immediately before the traveling direction of the position of C, a wide range including other vehicles located around the violating vehicle is photographed in a state where the violating vehicle is positioned in the center of the photographing screen.

Next, as in the case of the first photographing, # 5
In 2 the film is wound and the data is imprinted. When the second shooting is completed in this way, the process proceeds to # 53 and the shutter is charged, and the next # 54 is the second shooting. Whether or not it is determined, and in this case, since the second shooting has been completed, the process branches to YES, and a series of shooting processing ends in # 55.

In this way, when the first and second photographings are performed as shown in FIG. 12, which shows the details of # 11 to # 13 (see FIG. 7), # 14 shown in FIG. As described above, statistical data such as the violation date and time, the violation state, and the violation data regarding the first and second shootings are stored, returned to the next step # 7, and put in a standby state until the violation vehicle is detected again. Of.

In the above description of the operation, the data imprinting section 13, the shutter section 16 and the strobe section 50 have been outlined, but the details thereof will be described next. First, the shutter charge operation in the shutter section 16 will be described. To perform shutter charge, refer to FIG.
As shown in FIG. 6, when the solenoid 123 is de-energized, there is no pulling force by the drive shaft 122, so the cam operating lever 118 rotates counterclockwise about the support shaft 119 by the pulling force of the spring 120. The first locking surface 118A is urged by the movement, and the first locking surface 118A is locked to the stopper cam surface 116A of the stopper cam plate 116.

Therefore, the shutter drive gear 110 integrally fixed to the stopper cam plate 116 is set to the state immediately before the start-up, and the exposure opening 102 is completely covered by the first shutter blade 105 and the second shutter blade 106. It is said that When a predetermined pulsed drive signal is supplied to the pulse motor 115 in this state, the pulse motor 115 rotates and the rotational force of the output gear 114 directly connected to the motor 115 causes the reduction gear 113 and the reduction gear 112 to rotate. The spring charge gear 111 is rotated in the clockwise direction about the support shaft 133 via. With this rotation, the second spring hooking pin 126 moves in a clockwise direction on a circle centered on the support shaft 133, and one end of the second spring hooking pin 125 is locked by the cam actuating lever 118 in the locked state. The charged charge spring 124 is biased.

In such a shutter charge, the charge pin 129 fixed to the charge wheel 127 and the stopper pin 130 fixed to the shutter drive gear 110 are used.
However, in reality, a required amount of charge can be obtained before the charge pin 129 hits the stopper pin 130. In addition,
How to set the required charge amount will be described later.

When the supply of the drive signal to the pulse motor 115 is cut off, the rotation is stopped. In this state, the charge spring 12
The pulse motor 115 is reversely rotated by the urging force of No. 4, but the spring charge gear 111 is configured to be rotatable only in one direction (direction in which shutter charging is performed) by the one-way clutch 134. The pulse motor 115 is not reversely rotated, and the above-mentioned biasing force is maintained as it is.

When the solenoid 123 is energized to open the shutter in such a charging completed state, the cam operating lever 118 is rotated in the clockwise direction against the pulling force of the spring 120 and the stopper cam surface 116.
The lock between A and the first locking surface 118A is released, and the stopper cam plate 116 is moved to the position shown in FIG.
At, the shutter drive gear 110 rotates in the clockwise direction and the shutter drive gear 110 rotates in the same direction.

Then, the rotational force of the shutter drive gear 110 causes the first pulley 103 to rotate in the clockwise direction via the idler gear 109 and the gear 103A, and in conjunction with this, the second pulley 104 via the timing belt 107. Is rotated clockwise.

Therefore, as shown in FIG. 3, the opening 105B of the first shutter blade 105 sequentially exposes the exposure opening 102 from bottom to top, and at the same time, the second shutter blade 1 is exposed.
The openings 106B of 06 are sequentially exposed from top to bottom. The exposure opening 102 has two openings 105A and 106A.
The state in which the reference cutout 105C reaches the position of the photo interrupter 135 is a state in which the reference cutout 105C is fully opened.
It is detected by the full-open pulse b1 of the first detection signal b shown in FIG.

On the other hand, the flash emission amount d is the trigger signal e.
The time t4 from the supply of the trigger pulse e1 to the strobe trigger circuit to the peak of the strobe light emission amount d is
It changes depending on the characteristics of the discharge tube of the light emitting section 51 of the strobe section 50, the capacity of the main capacitor, and the like.

Therefore, in FIG. 13, the release signal c
Release pulse c1 is generated, the time t1 from the time when the reference pulse b2 is generated after the solenoid 123 is energized until the shutter opening (reference numeral a) is fully opened and the fully open pulse b1 is generated is the first and second times. Shutter blades 105, 10
6 will change depending on the rotating speed (angular speed).

Here, when the shutter charge by the pulse motor 115 has a certain number of steps, the above-mentioned time t1 changes due to deterioration of the spring characteristics of the shutter spring 124 or the like. Also, the shutter opening a is 1
The shutter speed t3 located at / 2 also changes.

Therefore, even if the shutter charge amount is constant, the shutter time t3 changes due to deterioration of the spring characteristics of the shutter spring 124, wear of the shutter mechanism, and the like. In order to eliminate this and obtain an accurate shutter speed, the speeds of the first shutter blade 105 and the second shutter blade 106 that expose the exposure opening 102 may be made constant. Since the rotation drive source of the second shutter blades 105 and 106 is the charge spring 124, the biasing force thereof gradually decreases during long-term use. Along with this, the shutter time also changes due to backlash generated in the rotation transmission member (such as the timing belt 107) from the charge spring 124 to the first and second shutter blades 105 and 106. Therefore, the charge amount of the charge spring 124 is adjusted (controlled) so that the speeds of the first and second shutter blades 105 and 106 are constant. Specifically, first, a pulse of the reference pulse b2 obtained by detecting the speed (angular speed) of the first shutter blade 105 at a predetermined shutter speed, that is, the speed of the reference cutout 105C with the photo interrupter 135. The width time t2 is measured.

Then, at the time of charging, the pulse motor 115
The number of drive pulses applied to the above and the time t2 are stored in the storage unit 37 as a table. Then, when the shutter opening / closing operation is performed, the above-mentioned reference pulse b
The time t2 corresponding to a pulse width of 2 is measured. This measurement result t2 is compared with t2 stored in advance in the table. If this time t2 is substantially the same as the time t2 of the reference pulse b2 corresponding to the shutter speed t3, the drive pulse number N1 is set to the next time. It is used as it is as the charge amount when opening and closing the shutter.

On the other hand, the speed of the first shutter blade 105, that is, the reference notch 10 due to deterioration of the charge spring 124 or the like.
Time t of the reference pulse b2 according to the speed (angular speed) of 5C
2 is not a predetermined value, for example, when the time t2 is long, the shutter speed t3 is long. Therefore, in order to shorten the time t2, the drive pulse is applied when the shutter opening / closing operation is performed next time. The number N1 is corrected to be increased so that the shutter speed t3 becomes a predetermined value. Further, when the time t2 becomes short, the shutter speed t3
Is shortened, the driving pulse number N1 is set when the shutter is opened / closed next time in order to lengthen the time t2.
Is corrected so that the shutter speed t3 becomes a predetermined value.

FIG. 9 is a flow chart of these operations. In step # 16, the pulse motor 11 for shutter charging is used.
When the rotation of No. 5 is started, the reference notch 127A of the charge wheel 127 is detected by the photo interrupter 128 in the next # 17, and when YES is determined, the next # 18
Then, the count of the driving pulse number N1 is started.

Since the initial position of the charge wheel 127 in the uncharged state has a width (variation) within a certain range, the position in the stationary state cannot be accurately specified. For this reason, a slight drive pulse is applied to the pulse motor 115, and a slight charge is performed so that the reference notch 1
The time when 27A is detected by the photo interrupter 128 is set as a reference initial position.

From such an initial position, the pulse count of the drive pulse number N is started by # 18, and at # 19, whether or not the drive pulse number N measured at # 18 has reached the required drive pulse number N1. If the result is YES, the pulse motor 11 for shutter charging is operated in the next step # 20.
5 is stopped and the shutter charge is completed to prepare for the current shutter opening / closing operation.

Then, when the shutter opening / closing operation is performed this time, the above-mentioned time t2 is measured at this time, and if this time t2 is not a predetermined time, the next drive pulse number N1 is performed as described above. Is corrected so that a predetermined shutter time t3 is obtained. Similarly, for each shutter charge, the error in the shutter time at the time of the previous shutter opening / closing is corrected this time, so that a stable shutter time is obtained. It will be obtained automatically.

In the shutter charging performed as described above, when the rotation of the first and second shutter blades 105 and 106 becomes slow due to the secular change of the charge spring 124 and the like, the shutter for the next shutter opening / closing operation is performed. Although the charge amount is increased, this increase is caused by the charge pin 129 fixed to the spring charge gear 111 (charge wheel 127) being connected to the shutter drive gear 110.
Stopper pin 1 fixed to (reset cam plate 117)
You can do it until you hit 30.

As described above, when the charge pin 129 hits the stopper pin 130, the correction of the charge increase becomes the limit. At this time, the set screws 131 and 132 are loosened to change the initial position of the charge pin 129 with respect to the stopper pin 130 along the elongated hole 111A, that is, before the pulse motor 115 charges the shutter drive gear 110 and the spring charge gear 110. It suffices to increase the preliminary shutter charge amount between the above and. If the shutter charge amount also becomes insufficient due to this increase, the deterioration of the charge spring 124 and the like has reached the limit, so it is necessary to replace the parts.

Now, the characteristic of the strobe light emission amount d (see FIG. 13) is that the time t4 from the application of the trigger pulse e1 of the trigger signal e to the maximum light emission amount is the characteristic of the arc tube or the capacitance of the main capacitor. It depends on

Further, since the time t4 changes according to the light emission characteristics of the light emitting section 51 (see FIG. 1), in this embodiment, the light emission amount in two stages, that is, according to the distance of the position to be photographed, that is, , The "high light amount mode" is set when the first vehicle detection means 31 is located at a long distance, and the "small light amount mode" is set when the second vehicle detection means 32 is located at a short distance. In each of the two modes, the time t4 from the time when the trigger pulse e1 is generated to the peak time of the strobe light emission amount d is set to two types.

For this reason, in this embodiment, as shown in the flowchart of FIG. 14, the strobe light emission amount is set using the switching unit 52 in accordance with the position to be photographed in # 250. The capacity of the main capacitor is switched between large capacity and small capacity. And
At the next step # 251, the shutter open magnet, that is, the solenoid 123 (see FIG. 3) is released to the release signal c (see FIG. 13).
Energize the release pulse c1 (see the reference).

Then, as described above, the first and second shutter blades 105 and 106 rotate, and the first shutter blade 105
When the reference notch 105C of the first detection signal b is detected by the photo interrupter 135, the reference pulse b of the first detection signal b
2. Whether or not the reference pulse b2, that is, the light emission timing signal is turned on is detected at # 252, and N
If it is O, it stands by as it is, and if YES, it moves to the next # 253.

In # 253, the time t4 from the generation of the trigger pulse e1 to the peak of the strobe light emission amount d is subtracted from the time t1 from the generation of the reference pulse b2 to the full opening of the shutter opening a. The counting of the time T is started. Here, the time t1 at this time is the reference pulse b measured when the shutter was opened and closed last time.
2 is the time until the shutter is fully opened, which is obtained based on the time t2, and the time t4 is the time from the generation of the trigger pulse e1 to the light emission peak when the light amount is set according to the position to be imaged.

When the above-mentioned time T has elapsed, a trigger signal, that is, a trigger pulse e1 is generated in the next # 254, and a peak of the strobe light emission amount d occurs after time t4. The time when this peak is reached coincides with the time when the shutter is fully opened when the operation is started by the release pulse c1.

Even if the time t2 is changed due to deterioration of the shutter spring 124 or the like, the time t1 until the full opening is obtained every time the shutter is opened and closed based on the changed time t2. As a result, complete synchro photographing can be performed without the light emission peak and the timing of fully opening the shutter being shifted.

Next, the detailed operation of data imprinting will be described with reference to FIGS. 10 and 11. The film feeding in the present embodiment is performed by being step-driven by a driving pulse f applied to a film feeding pulse motor (not shown). The data imprinting is performed by selectively causing the LED of 1 row and 7 dots to selectively emit the light emission pulse g according to the imprinting character for the imprinting time S in the stop section when the film is step-driven. Be seen.

More specifically, as shown in FIG. 11, the rotation number (pulse number) Np required to feed one screen by the film feeding pulse motor is set in # 21, and the next # 22
The LED emission timing is set with. This set is for setting the on / off timings of the seven LEDs in one vertical column in the character pixel of the imprinted data in relation to the pulse motor.

Then, in the next step # 23, the pulse motor starts to rotate, and in the next step # 24, it is determined whether or not the drive pulse applied to the pulse motor is incremented by one, and the process waits until YES. , YES, the determination of “N ≧ constant value?” Is made in # 25. This fixed value is the number of steps for delaying the start of the imprinting from the start timing of the film feeding so that the imprinting data is recorded in a predetermined portion of the screen, and at the time of starting the film feeding NO Therefore, the process jumps to # 27, and the determination of “Np = N?” Is made in # 27.

Since this step # 27 is a step for judging whether or not the film is fed by a predetermined pulse,
In this case, since it is immediately after the start of the film feeding, the process branches to NO, the process returns to # 24, and the film feeding is performed again for one step. Then, one pulse is counted up, and the determination of "N ≧ constant value?" Is made again at the next step # 25.

Then, the above operation is repeated until the period for only film feeding elapses, and when the position for imprinting the data arrives and # 25 becomes YES, # 26.
Then, the LED is turned on for a fixed time. This ON
The state is the print timing for imprinting 7 dots per column of the character pixel of the imprint data set in the above-mentioned # 22, and the proper exposure based on the film sensitivity is set.

The ON operation of the LED in # 26 is as follows.
In the case where the data to be imprinted remains, in this example, “Np = N?” Is branched to NO in # 27 and the steps from # 24 to # 27 are performed until one frame of film is completed. repeat. Then, when the predetermined number of imprinting steps (the number of character pixel rows) Np is reached in # 27, the process proceeds to # 28 and the pulse motor is stopped, whereby the film feeding is completed and the imprinting data is recorded. Recording is completed.

Further, the traveling vehicle is the first vehicle detecting means 3
Immediately after the violation is detected at position 1, the vehicle is clearly photographed with a large photographing magnification and the vehicle license plate positioned in the center of the screen. Further, in this photographing, since the strobe light is emitted by the strobe unit 50, the face of the driver in the vehicle, which is usually underexposed, is irradiated with the strobe light, and the face of the driver is also clear. Will be photographed. Further, in the second shooting, not only the offending vehicle but also a wide range including the surrounding situation is taken, so that the state of the offending vehicle can be comprehensively judged.

In the present embodiment, more specifically, a plurality of preset photographing points (the first vehicle detection means 31 4).
Point and the second vehicle detection means 32 (eight points in total, 8 points in total), the optimum focus drive data, zoom drive data, deflection drive data, and aperture drive data are stored in the storage unit as preset data when the photographing apparatus is installed. Stored in 37,
Every time a vehicle is detected by the first vehicle detection means 31, it is determined based on the state of the traffic light 6 whether or not the passing vehicle is in violation of the signal, and the violation occurs in the traveling lane 1A. To 1D, and when it is determined to be a violation, the focus drive data, the zoom drive data, and the deflection drive in the storage unit 37 are made to correspond to the corresponding positions of any of the four vehicle sensors 31A to 31D. Data, diaphragm drive data are taken out, and focus drive, zoom drive, direction change drive, diaphragm drive, etc. are performed according to the extracted data, so the optimum focal length, subject distance, direction of change at the shooting position can be determined. You can get it immediately.

Further, the installation of the photographing device can be optimized in accordance with the number of traveling lanes at the installation place, the width of the lane, the position of the traffic light, etc., so that it has great versatility.

Further, when the focus drive data, the zoom drive data, the deflection drive data, and the aperture data are stored in the storage section 37 as preset data when the photographing apparatus is installed, a focusing screen is detachably attached to the exposure opening. ,
Since the so-called initial settings are performed while visually checking the actual subject image with the shutter fully open, the condition of the place where the image capturing device is installed, specifically the number and width of driving lanes and the surrounding conditions. It is possible to set the optimal shooting screen that comprehensively takes into consideration.

Next, a second embodiment of the present invention will be described with reference to FIGS. In the above-described first embodiment, when the first vehicle detection means 31 detects a violating vehicle, the first image capturing is started, and the second vehicle detection means 32 detects the arrival of the violating vehicle. Although the timing is set so as to start capturing the second image at this time, in the present embodiment, this timing setting is set by the vehicle detection means 91.
The first image is taken when a violating vehicle is detected, and the second image is taken when a predetermined time has elapsed from this point.

The overall structure of this photographing apparatus is as shown in the block diagram of FIG.
It is composed of a flash unit 50 and a control unit 100. The photographing unit 10 and the flash unit 50 are the same as those in the first embodiment.

Further, in this embodiment, as shown in FIG. 16, there are a vehicle passage 1 formed of four traveling lanes 1A, 1B, 1C and 1D and a vehicle passage 2 formed of four lanes. A vehicle traveling on a vehicle passage 1 at an intersection 5 at which a four-lane road formed by four lanes and a four-lane road on each side intersect in a cross shape. When the vehicle ignores the signal, the vehicle is photographed.

As shown in FIG. 16, a traffic signal 6 is installed at a predetermined height position of the vehicle passage 1 in front of the intersection 5, and is installed immediately before the intersection 5 in each of the four traveling lanes 1A to 1D. Vehicle detection means 91 formed of four vehicle sensors 91A, 91B, 91C and 91D is provided on the road surface near a stop line (not shown) corresponding to each of the traveling lanes 1A to 1D.

The vehicle detecting means 91 detects that the vehicles traveling on the traveling lanes 1A to 1D in the vehicle passage 1 have reached a predetermined position set in each traveling lane, that is, near the stop line. To do. These vehicle sensors 91A to 91D are pressure sensors that detect arrival of the vehicle by being stepped on by the tires of the traveling vehicle.

The output terminals of the vehicle sensors 91A to 91D forming the vehicle detection means 91 are connected to the input terminals of the violation detection means 33 in the next stage. Vehicle sensors 91A-9
Vehicle detection by 1D is repeatedly performed at a predetermined cycle. A code for identifying which vehicle sensor the output is from is added to each of these outputs.

The violation detecting means 33 is the vehicle detecting means 9 described above.
When the passage of the vehicle is detected by 1, it is determined whether or not the vehicle is in violation of traffic, and the vehicle detection data from any of the vehicle sensors 91A to 91D is supplied as described above. It is like this.

Then, this violating vehicle position specifying means 34 is used.
Generates lane identification data that identifies which of a plurality of traveling lanes the infringing vehicle is traveling in, and specifically identifies four installation positions of the vehicle sensors 91A to 91D. It is position identification data.

Further, the violation detecting means 33 is connected to the starting input terminal and the output terminal of the timer circuit 92 whose set time is t seconds. The reason for providing this timer circuit 92 is that when the vehicle that has reached the vehicle detection means 91 is a violating vehicle, the first shooting is performed, and then the second shooting is performed. The setting time is decided. The second shooting is performed in order to reconfirm the state of the infringing vehicle, so that a wide range of shooting is performed including not only the state of the infringing vehicle but also the surrounding vehicles. Of.

This set time t seconds is determined as follows. That is, when the vehicle passing through the vehicle detection means 91 is in violation, the first image capturing is performed, and the second image capturing is performed after the delay time of the predetermined time.
There is a problem of which position of each of the traveling lanes 1A to 1D forming the vehicle passage 1 should be the target of the second photographing position.

This may be done by setting the time required to reach the second photographing position in the first embodiment, that is, the position of the second vehicle detecting means 32 (see FIG. 2). The traveling distance is not specified because the speed of the passing vehicle is not specified. For example, in time t seconds, whichever of the mileage L1 of the vehicle traveling below the prescribed speed, the mileage L2 of the vehicle traveling significantly beyond the prescribed speed, and the mileage L3 of the vehicle traveling at the prescribed speed. There is a question whether to adopt. It cannot be decided without statistically considering the situation of the vehicle traveling on this road, but the second shooting is intended to capture the surrounding situation including the infringing vehicle, so the shooting position is somewhat different. Therefore, in the present embodiment, the vehicle detection means 91
The distance L3 reached by the vehicle traveling at the specified speed in the period from to t seconds is adopted as the second photographing position.

The violating vehicle position specifying means 34 specifies the lane specifying data for specifying which one of the plurality of traveling lanes the violating vehicle detected by the violation detecting means 33 is a vehicle, and the vehicle. The position specifying data for specifying the position of the first or second predetermined position is generated.

More specifically, it is orthogonal to four directions of the first photographing position which is the installation position of the vehicle sensors 91A to 91D forming the vehicle detecting means 91 and the direction of the distance L3 which is the second photographing position. It is position specifying data for specifying a total of 8 places including 4 places of each of the running lanes 1A to 1D.

Further, the input means 36 sets the photographing optical axis from the place where the photographing section 10 is installed to the first and second photographing positions of each of the traveling lanes 1A to 1D, that is, the first photographing position. Vehicle sensor 91A, which is the shooting position of
A plurality of photographing optical axis deflection angles E1 to E8 corresponding to respective positions that specify a total of eight positions, that is, four positions of 91D and four positions of the second photographing position, and these The photographing distance data corresponding to each of the eight locations is stored in the storage unit 37 in advance when the photographing unit 10 is installed. Further, not only the shooting distance data but also zoom data, aperture data, and shooting optical axis changing data are stored simultaneously.

As described above, by observing the actual photographing screen, the data such as the photographing distance data and the zoom data at the above-mentioned eight places are input to the storage section 37 via the input means 36, which is actually suitable. The preset amount can be set. As a specific example of this, the focus glass is detachably attached to the exposure opening of the camera body 79, and in this state, the shutter is used as a valve to open the diaphragm, and the stepping motor is operated while observing the photographed image on the focus glass. Step driving to obtain step number data to obtain a desired shooting angle of view, or step driving the zooming motor to obtain step number data to obtain a desired focal length, and use this data as shooting field angle data or zoom data. It is stored in the storage unit 37.

The first selecting means 38 takes an image of a vehicle traveling in any one of the plurality of traveling lanes 1A to 1D constituting the vehicle passage 1 when the violation is detected by the violation detecting means 33. Whether or not it should be performed, the order of shooting is determined and selected. The second selecting unit 39 is configured to input a plurality of shooting distances previously stored in the storage unit 37 by the input unit 36,
From each data such as the focal length and the photographing angle of view, the data corresponding to the photographing lane selected by the first selecting unit 38 and the position specifying data detected by the violating vehicle position specifying unit 34 is selected. It is for making it.

Next, the operation of the second embodiment will be described with reference to FIG. The flowchart shown in FIG. 17 shows the operation of the second embodiment. From # 200 to # 211, # 0 to # 1 in FIG. 7 showing the operation of the above-described first embodiment.
Since it is the same as or similar to 1, the description of the same parts is omitted to avoid duplication, and only different parts will be described.

When the power is turned on in # 200, power is supplied to each part of the circuit, the process proceeds to the next # 201, the digital input / output circuit is reset, and other conditions are set. This initial setting is the same as that in the above-described first embodiment, and is the same as that in the above-described first embodiment up to the following # 211.

In # 212, which is executed after # 211, the timer circuit 92 is started at the time when the first photographing is started, and in the next # 213, the timer elapsed time reaches the time t. It is determined whether or not, and if NO, then YE
# 213 is repeatedly executed until S is reached, and when YES is obtained, the process proceeds to the next # 214, and the second shooting is performed under the second setting condition in the same manner as in the above-described first embodiment.

By the way, in the storage section 37, the vehicle sensor 91 which has already formed the vehicle detection means 91 by using the input means 36.
Four installation positions of A to 91D and four of the second shooting position
The focus drive data, the zoom drive data, and the deflection drive data corresponding to each of the eight locations in total are stored. Here, the above-mentioned first setting condition includes focus drive data, zoom drive data, and deflection drive data corresponding to four installation positions of the vehicle sensors 91A to 91D forming the vehicle detection unit 91. It is something to choose.

The second setting condition is to select focus drive data, zoom drive data, and deflection drive data corresponding to four positions of the second photographing position. Then, the photographing under the second setting condition is performed in the same manner as described above, and
The focus drive ring of the focus unit 15 installed at the position driven by the second photographing is preset-driven to bring the violating vehicle traveling near the second photographing position of the traveling lane 1C into a focused state.

Simultaneously with this, zoom drive is performed. This zoom drive is carried out by using the input means 36 as described above, from the zoom drive data stored respectively corresponding to the eight positions already stored in the storage unit 37, from the zoom drive data of the traveling lane 1C. The data corresponding to the second shooting position is taken out, and the zoom drive ring of the zoom unit 11 that is driven by the first shooting is preset-driven to detect the violating vehicle located near the second shooting position. , A wide range including other vehicles existing around it can be photographed at a predetermined photographing magnification.

Aperture driving is performed simultaneously with such focus preset driving and zoom preset driving.
This diaphragm drive drives the diaphragm drive ring, which is in the position driven by the first photographing, so as to change the diaphragm value to a value required to give proper exposure according to the output of a photometric circuit (not shown). is there. Then, the deflection preset drive is performed simultaneously with the focus preset drive, the zoom preset drive, and the aperture drive. This turning preset drive is performed as follows.

As described above, using the input means 36, the turning drive data stored in the storage section 37 and corresponding to the eight positions are respectively stored in the turning drive data. The deflection angle data corresponding to the second photographing position is taken out, and the lens barrel of the camera main body which is driven by the first photographing by the fetched data is moved to the second photographing position. Try to turn to.

Then, like # 211 and # 214, the first
When the second shooting and the second shooting are performed, the statistical data such as the violation date and time, the violation status, and the violation data regarding the first and second shootings are stored in # 216 and returned to # 207. , It is put in a standby state until a violating vehicle is detected again.

Therefore, immediately after the traveling vehicle is detected as a violation at the position of the vehicle detection means 91, the vehicle license plate of the vehicle located at the center of the screen is clearly photographed with a large photographing magnification. Further, in this photographing, since the strobe light is emitted by the strobe unit 50, the face of the driver in the vehicle, which is usually underexposed, is irradiated with the strobe light, and the face of the driver is also clear. Will be photographed.

Further, in the second photographing, not only the violating vehicle but also a wide range including the surrounding situation is photographed, so that the state of the violating vehicle can be comprehensively judged.

In this embodiment, the optimum focus drive data and zoom drive data are set at each of a plurality of preset photographing points (4 points of the vehicle detecting means 91 and 4 points of the second photographing position). , The deflection drive data and the aperture drive data are stored in the storage unit 37 as preset data when the image pickup apparatus is installed, and every time the vehicle detection unit 91 detects a vehicle, whether or not the passing vehicle is a signal ignoring violation. Is determined based on the state of the traffic signal 6, and it is specified which of the traveling lanes 1A to 1D the violation is occurring in, and which of the four vehicle sensors 91A to 91D is determined when the violation is determined. Focus drive data, zoom drive data in the storage unit 37 corresponding to the corresponding position
The direction drive data is extracted, and focus drive, zoom drive, and direction drive are performed according to the extracted data, so the optimum focal length, subject distance at the shooting position,
The turning direction can be obtained.

Further, the vehicles that have reached the vicinity of the second photographing position after a lapse of a predetermined time from the completion of the first photographing are stored in the storage unit 37 corresponding to each of the four photographing positions. Focus drive data, zoom drive data,
Since the direction change drive data and the like are taken out, and the focus drive, zoom drive, direction change drive, etc. are performed according to the extracted data, the optimum focal length and subject distance at the second photographing position (scheduled photographing position) , The direction of change, and the aperture value can be obtained.

In addition to the configuration of the first embodiment described above, in the standby mode in the photographing mode, when the focus drive, the zoom drive, the deflection drive, and the aperture drive are performed, the input unit 36 causes the storage unit 37. Intermediate position return command means 93 for driving each may be provided at an intermediate angle of the drive range based on a plurality of preset data stored in advance.

That is, the intermediate position return command means 93 is
For example, in the standby state in the zoom driving photographing mode by the zoom driving photographing means, the focal length ring is input to the input means 3
In step 6, the drive may be performed at the intermediate angular position in the variable power range based on the plurality of zoom data stored in advance in the storage unit 37. Also, in focus drive, deflection drive, and aperture drive, as in the case of driving the focal length ring to an intermediate value, drive control is performed to an intermediate angle position in the drive angle range in the standby state in the shooting mode. ing.

In the flowchart shown in FIG. 17,
The driving position for photographing the infringing vehicle driven by the first photographing under the first setting condition shown in # 211 is kept as it is, and the second photographing condition under the second setting condition is responded from this state. It is designed to be driven to the target position,
As shown by the broken line # 218 in FIG. 17, # 218 for performing the intermediate position driving step similar to # 215 is provided in parallel with the step of # 213.

Therefore, in this embodiment, focus drive,
For each of zoom drive, aperture drive, and direction drive,
Since the intermediate position is driven prior to the drive to the target value, the amount of drive prior to shooting can be reduced, and the preparation time prior to shooting can be shortened. Along with this, the time lag between the shooting start command time (the time when the violating vehicle reaches the vehicle detection means 91) and the time when the shooting is actually started can be extremely reduced.

The present invention is not limited to the above-mentioned embodiments, and it goes without saying that various modifications can be made without departing from the scope of the invention. For example, the vehicle sensor as the vehicle detection means according to the present invention may be not only a pressure-sensitive type but also another type such as a semiconductor sensor. Further, in the embodiment, the number of various preset data such as focus is eight, but the number may be more or less than that, and the scale depends on road conditions in the area where the photographing apparatus is actually used. It can be designed arbitrarily.

Further, the detection of the violation can be used not only for ignoring the signal but also for photographing in various violations such as speed overrun and level crossing violation. Further, the setting of the time t in the second embodiment can be designed completely arbitrarily according to the traffic situation.

Further, the driving to the intermediate position in the second embodiment may be carried out prior to the second photographing when the first photographing is completed, or when the first and second photographing are all performed. You may do it when it is completed. Also,
The driving to the intermediate position in the above-described second embodiment is performed for all four of the magnification change, the direction change, the focus and the diaphragm, but the invention is not limited to this, and the intermediate position drive for the magnification change is performed. Can be omitted, or the intermediate position drive for the deflection can be omitted.

[0195]

As is apparent from the above description in detail, according to the present invention, when it is detected that an object has reached a predetermined position, the strobe portion separately installed is caused to emit light to cause the object to be detected. In a photographing device for photographing, a detection means for detecting a specific operation position in the opening / closing operation of the shutter blade, and a setting means for setting the time from the detection timing of this detection means to the output of the trigger signal to the strobe are provided. However, since the error in the shutter speed at the time of the previous shutter opening / closing is corrected this time for each shutter charge, the opening / closing operation by the shutter blade and the light emission of the flash unit are configured to be synchronized. The spring force of the shutter spring, which is the driving source, changes over time, and the load on the shutter drive mechanism changes, causing the shutter operation to change over time. Even if there is a change, the strobe light emission timing is also changed accordingly, and the peak of the strobe light emission amount is positioned within the time when the shutter is fully opened, and it is possible to perform shooting that effectively utilizes the strobe light source. The shutter control device can be provided.

[Brief description of drawings]

FIG. 1 is a block diagram showing an overall configuration of a shutter control device in an image capturing apparatus according to a first embodiment of the present invention.

FIG. 2 is a plan view showing details of a plurality of photographing positions according to the first embodiment of the present invention.

FIG. 3 is a plan view showing a mechanical structure of a shutter section of the first embodiment shown in FIG.

FIG. 4 is a vertical cross-sectional view showing details of a shutter drive unit in the embodiment shown in FIG.

FIG. 5 is a plan view showing details of a shutter drive unit in the embodiment shown in FIG.

FIG. 6 is a plan view showing details of a charge wheel portion of the shutter drive section shown in FIG.

FIG. 7 is a flowchart showing the operation of the first embodiment of the present invention.

8 is a flowchart showing a subroutine of an initialization step shown in FIG.

9 is a flowchart showing details of some of the steps shown in FIG.

10 is a waveform diagram showing signal waveforms input to the film feeding section and the data imprinting section in the embodiment shown in FIG.

11 is a flowchart showing an operation of a data imprinting unit in the embodiment shown in FIG.

12 is a flowchart showing a subroutine of a photographing step shown in FIG.

13 is a waveform chart showing the relationship between the opening / closing operation timing of the shutter section and the trigger timing of the strobe section in the embodiment shown in FIG.

FIG. 14 is a flowchart showing a trigger timing operation of the flash unit in the embodiment shown in FIG.

FIG. 15 is a block diagram showing an overall configuration of an image pickup apparatus with a shutter control function in an image pickup apparatus according to a second embodiment of the present invention.

16 is a plan view showing details of a plurality of photographing positions in the second embodiment shown in FIG.

FIG. 17 is a flowchart showing an operation of the shutter control device in the image pickup apparatus according to the second embodiment of the present invention.

[Explanation of symbols]

1 vehicle passage 1A, 1B, 1C, 1D driving lane 2, 3, 4 vehicle passage 5 intersections 6 traffic lights 8 Angle change range 9 Irradiation angle 10 Shooting department 11 Zoom section 12 Film feeding section 13 Data imprinting section 14 Throttle 15 Focus section 16 Shutter part 17 Turning part 30 control unit 31 first vehicle detection means 31A, 31B, 31C, 31D Vehicle sensor 32 Second vehicle detection means 32A, 32B, 32C, 32D Vehicle sensor 33 Violation detection means 34 Violation vehicle position identification means 35 Control means 36 Input means 37 Memory 38 First selection means 39 Second selection means 41 Setting means 50 Strobe part 51 Light emitting part 52 Light emission amount switching unit 91 Vehicle detection means 91A, 91B, 91C, 91D Vehicle sensor 92 timer circuit 93 Intermediate position return command means 101 shutter front plate 101A Shutter rear plate 102 exposure aperture 103 First pulley 104 second pulley 105 First shutter blade 105C standard notch 106 Second shutter blade 107 Timing belt 108 Tension pulley 109 idler gear 110 shutter drive gear 111 spring charge gear 111A long hole 112, 113 reduction gear 114 output gear 115 pulse motor 116 Stopper cam plate 116A Stopper cam surface 117 Reset cam plate 117A Reset cam surface 118 Cam operating lever 118A First locking surface 118B drive pin 118C Second locking surface 119,133 spindle 120 spring 121 Spring retainer 122 drive shaft 123 solenoid 124 Charge spring 125 1st spring hook pin 126 Second spring hook pin 127 Charge Wheel 127A standard notch 128,135 photo interrupter 129 Charge pin 130 Stopper pin 131, 132 Set screw 134 one-way clutch

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mikio Kobayashi             1-3-3 Nakamagome, Ota-ku, Tokyo Stocks             Company Ricoh (72) Inventor Takehisa Sarayama             1-3-3 Nakamagome, Ota-ku, Tokyo Stocks             Company Ricoh F-term (reference) 2H053 AA06                 2H081 AA78 CC61 DD00                 2H082 CC03 CC29 CC38

Claims (3)

[Claims] 1. A photographing device for photographing a target object by causing a strobe unit separately installed to emit light when it detects that the target object has reached a predetermined position. Detecting means for detecting, and setting means for setting the time from the detection timing of this detecting means until the trigger signal is output to the strobe are provided, and the shutter speed at the time of the previous shutter opening / closing at each shutter charge is provided. A shutter control device in a photographing device, wherein an error is corrected this time to synchronize an opening / closing operation by the shutter blade and a light emission of the strobe section. 2. A setting means for performing a correction based on time data from the time of strobe trigger to the time when the amount of light emission reaches its maximum value is provided, and the time of full-open operation by the shutter blade and the amount of light emission of the strobe portion reach the maximum value. The shutter control device in the photographing apparatus according to claim 1, wherein the shutter control device is configured to be synchronized with another time point. 3. A measuring means for measuring the operating time of the shutter blades, and a setting means for obtaining corresponding data of the trigger timing of the strobe part with respect to the operating time of the shutter blades, and for the change of the operating time by the shutter blades. The shutter control device in the photographing apparatus according to claim 1, wherein the trigger timing of the flash unit is corrected to emit light.