JP3183023B2 - Control method of photographic film processing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control method of a processing apparatus for reading magnetic information recorded on a magnetic recording section provided on a photographic film and performing processing such as printing.

[0002]

2. Description of the Related Art As shown in FIG. 4, a photographic film, in particular, a negative film 2 is coated with a transparent magnetic material to form a magnetic recording portion M along the transport direction of the negative film 2 so that information on the negative film 2 can be obtained. And recording information about an image printed on the negative film 2 has been proposed.

The magnetic recording unit M records, for example, the photographing date and time of each image and photographing conditions when photographing with a camera. When developing and printing such a negative film, the image frame is verified by a notchr or a puncher or the like, and the correction value of the exposure condition is written in the magnetic recording unit M. It is possible to record printing information such as an exposure condition for each image frame determined in consideration of the photographing condition and the correction value.

Therefore, when re-baking at a later date,
By reading the printing information of the magnetic recording section M, printing can be performed under the same conditions.

[0005]

However, the information recorded on the magnetic recording section M of the photographic film may be caused by unevenness in the transport speed of the photographic film, loss of information due to defects or dust in the magnetic recording section M, noise, or the like. A reading defect may occur due to a change in the content of information or the like. In particular, in the case of a camera, the written information is likely to be poorly read due to poor conditions when writing to the magnetic recording portion M of the photographic film. For example, since the camera's built-in battery is small, the photographic film transport torque fluctuates and transport speed is likely to be uneven, and the camera is used in high or low temperatures, high humidity, vibration, and dust contamination. This is because it may not be preferable for recording information such as the above.

[0006] As described above, there is a problem that the information in the magnetic recording portion M of the photographic film recorded or stored in an unfavorable environment has a high risk of being read poorly or of changing the content of the information. Therefore, based on the information processing theory, Japanese Patent Laid-Open No. 5-181209 discloses a method using error checking means such as parity check and CRC, and using an error correction code such as RS code (Read Solomon code). ing.

However, even when such an advanced method such as an error correction code is used, severe reading failures that cannot be sufficiently dealt with may occur. Also, like a camera,
It has been difficult to realize a complicated data processing function under conditions where the size, power supply and cost are limited.

Accordingly, an object of the present invention is to propose an appropriate processing method in the case where information recorded on a magnetic recording portion of a photographic film becomes illegible.

[0009]

According to claim 1 of the present invention,
A photographic film processing apparatus comprising: an information reading unit that reads magnetic information recorded on a magnetic recording unit of a photographic film; an information determination unit that determines whether the read information is appropriate; and a processing unit that processes a photographic film In the processing method of the above, if the information read by the information determination means is appropriate, processing based on the read information, if it is determined that the information read by the information determination means is not appropriate, It is determined whether or not the information is information that can be replaced with predetermined standard information.If the information is replaceable, the information is processed by replacing it with standard information. It requests the input of information from the outside and processes based on the input information.

According to a second aspect of the present invention, there is provided an information reading means for reading magnetic information recorded on a magnetic recording portion of a photographic film, an information determining means for determining whether the read information is appropriate, and a processing means for processing the photographic film. in the processing method of the photographic film processing apparatus having the door, read by said information reading means
Determines whether the detected information is replaceable information
In order to perform the determination, a predetermined criterion is changed in accordance with the use condition, and if the information read by the information determining unit is appropriate, the information is processed based on the read information. If it is determined that the read information is not appropriate, it is determined based on the determination criteria whether the information is information that can be replaced with predetermined standard information, and if the information is replaceable, In
The information is processed by replacing the information with the standard information. If the information is not replaceable, an input of information from outside is requested, and the processing is performed based on the input information.

According to the third aspect, predetermined standard information is used.
Is to be changed according to the use conditions .

[0012]

According to the first aspect of the present invention, the reading means reads magnetic information from the magnetic recording portion of the photographic film, and the information determining means determines whether the information read by means such as parity check is appropriate. Is determined. If it is appropriate, it is processed by the processing means based on the read information.

If the information is not appropriate, it is determined whether or not the information can be replaced with predetermined standard information. If the information can be replaced, the processing is performed based on the replaced information. Process by means. If the information is not appropriate and the information is not replaceable information, input of information from outside is requested, and the processing is performed by the processing unit based on the input information.

The replaceable information includes, for example, information on shooting date and time, information on shooting distance, film sensitivity information, the number of frames, and the like. Non-replaceable information is, for example,
Print size data, flash lighting data, backlight lighting data, film loading direction data,
For example, lighting / sunlight data.

According to a second aspect of the present invention, the information reader
Whether the information read in the column is replaceable information
The predetermined criterion for determining whether the photographic film processing apparatus is used can be changed in accordance with the use conditions. Processing can be performed based on criteria.
According to the third aspect, the standard information includes a use condition.
Can be changed in accordance with
Can be replaced and processed.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method for controlling a photographic film processing apparatus according to the present invention will be described below in detail with reference to the drawings showing a photographic printing apparatus as an embodiment of the photographic film processing apparatus used in the method.

In FIG. 1 showing the structure of a photographic printing apparatus according to this embodiment, reference numeral 1 denotes a photographic printing apparatus, which has processing means for printing a negative film in a predetermined process. A negative film 2 (photographic film) that has been developed, fixed, washed with water, and dried by a developing device (not shown) is supplied from a cartridge 3 to the photographic printing device 1.

As shown in FIG. 4, the negative film 2 has a magnetic recording portion M made of a magnetic coating film at an edge along the longitudinal direction of the negative film 2. In the negative film 2 pulled out from the cartridge 3, first, the read head 4 reads the magnetic information of the magnetic recording unit M, and the read magnetic information is converted into digital data by the demodulator 5, and is sent to the control circuit 6. Is entered. The reading means is constituted by the reading head 4 and the demodulator 5.

The negative film 2 is conveyed in the direction of arrow A by a negative carrier 8 disposed on the optical axis of a light source 7, and a predetermined printing position is determined by a solenoid 9 based on a control signal from the control circuit 6. It is pinched and pressed. The negative carrier 8 is driven by a driving mechanism controlled based on a control signal from the control circuit 6. The light beam that has passed through the negative film 2 passes through the lens 10 and irradiates the photographic paper 11 to print an image.

The shutter 12 opens and closes in response to a control signal from the control circuit 6 to control exposure.

Digital data representing printing information such as exposure conditions edited by the control circuit 6 is transmitted to a modulator 13.
The write head 14 modulates the write signal into a write signal, and the write head 14 writes the write signal on the magnetic recording portion M of the negative film 2.

The control circuit 6 includes an interface circuit and the like between a microcomputer having the following control program and each of the devices. The general operation of the control program will be described below with reference to FIG. First, in step 1, magnetic information is read from the magnetic recording section M of the negative film 2 read by the read head 4, and in step 2, it is determined whether the read information is appropriate.

Step 2 corresponds to the information determining means, and an information determining means using an electronic circuit such as a multi-stage register may be used. If it is appropriate, in step 3, the read information is used as processing information in step 8
Move to If the information is not appropriate, it is determined in step 4 whether the information can be replaced with predetermined standard information based on the position and header of the information.

If it can be replaced, in step 5 the standard information is replaced as processing information, and in step 8
Move to In step 8, printing data such as exposure conditions is output with reference to a data table based on the processing information. If the information is not replaceable information, an input of information from outside is requested in step 6, and the input information is set as processing information in step 7.

In step 8, printing data such as exposure conditions are output with reference to a data table based on the processing information to control the shutter 12, the YMC filter, and the like. In step 9, the burn-in data is output and written into the magnetic recording section M of the negative film 2 by the write head 14.

An example of the criterion in step 4 will be described below. That is, the information that cannot be replaced is, first,
The print size is the so-called L size (89 x 127 mm),
HD size (89 × 128 mm), panoramic size (89 × 254)
mm) or other print size data. Others include flash lighting data indicating whether a flash was used during shooting, backlight lighting data indicating whether a backlight was used during shooting, film loading direction data, whether artificial lighting or natural sunlight. Lighting / sunlight data and the like are preferably not replaced if possible.

The replaceable information includes, for example, information on shooting date and time, information on camera type, information on lens type,
Information on shooting distance, information on shooting conditions such as shutter speed and aperture, film sensitivity information, number of frames, and the like.

When changing predetermined criteria or standard information, the control program shown in FIG.
Start the change program as shown in and make the change.
The general operation of the change program will be described below. First, when the change program is started, in step 10, a request is made to specify whether the change target is a criterion, standard information, other data, or to end the process.

If the change of the criterion is specified in step 10, each judgment item and the predetermined criterion are displayed in step 11 together with the number. In step 12, the number assigned to the judgment item to be changed among the displayed judgment items is input.

In step 13, the judgment criteria of the judgment item of the input number are rewritten.

In step 14, if there is another judgment item to be changed, its number is entered, and
Return to If there is no other judgment item to be changed, the process returns to step 10. If it is determined in step 10 that the standard information is to be changed, in step 15, the item and the standard information predetermined for each item are displayed together with the number.

In step 16, a number assigned to an item to be changed among the displayed items and standard information to be changed are input. In step 17, the standard information of the item of the input number is rewritten. In step 18, if there is another item to be changed, the number and the standard information are input, and the process returns to step 17. Here, it is also possible to input only whether there is any other item to be changed or not, and return to step 16.

If there is no other item to be changed, the process returns to step 10. If another data change is specified in step 10, the processing is performed and step 10
Return to If it is determined in step 10 that the processing is to be terminated, the processing is terminated.

The position of the magnetic recording section M in the photographic film is not limited to the position shown in FIG. 4, but can be applied to photographic films provided in other positions. The information determining means for determining whether the read magnetic information is appropriate includes a parity check and a CR.
It is simple if a technique such as C is used, but a more complicated error correction code or the like may be used.

As described in the above embodiment, it is determined whether or not the recorded magnetic information is replaceable information based on a predetermined determination criterion. Without stopping, processing is performed by replacing it with predetermined standard information.
In the case of non-replaceable information, the input is requested and processed based on the input information, so that the effect of reducing the number of error prints can be obtained.

Further, since the printing data such as the exposure used in the printing process is written in the magnetic recording section M on the negative film, when reprinting at a later date, the printing data is read and processed, so that the same conditions can be obtained. Printing is possible, and the finished state of the print is stabilized.
In addition, since the judgment criteria and the standard information can be changed by a change program, the optimum processing can be performed by appropriately changing the judgment criteria according to the skill level of the operator of the printing apparatus 1 and the performance of the photographic printer to be used. The effect is obtained.

Although this embodiment shows a control method in a photographic printing apparatus, a negative inspection machine or the like may be used.
It is not limited to this.

[0038]

As described above, according to the first aspect of the present invention, when the recorded magnetic information becomes defective in reading, if the information can be replaced with the information of the photographing date, etc. The processing is performed quickly by replacing the standard information, and the processing is fast. When the information cannot be replaced, the input is requested and the processing is performed based on the input information, so that the number of error prints can be reduced. Is obtained.

According to the second aspect of the present invention, the replacement
Since the criterion for judging whether or not the information is possible can be changed, the criterion can be changed as appropriate according to the skill level of the operator of the photographic film processing apparatus and the performance of the photographic printer to be used. Is obtained. According to the third aspect of the present invention, since the standard information can be changed, an effect is obtained that processing can be performed by replacing the standard information with optimal standard information .

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing a photographic printing apparatus as an embodiment of a photographic film processing apparatus used for a control method of a photographic film processing apparatus according to the present invention.

FIG. 2 is a flowchart of a control program in the photographic film processing apparatus.

FIG. 3 is a flowchart of a change program in the photographic film processing apparatus.

FIG. 4 is a plan view of a photographic film provided with a magnetic recording unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Photo printing apparatus (photographic film processing apparatus) 2 Negative film (photographic film) 4 Reading head (reading means) 6 Control circuit (information judging means) 10 Lens 11 Printing paper 14 Writing head M Magnetic recording unit

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G03B 27/46

Claims (3)

(57) [Claims] An information reading means for reading magnetic information recorded on a magnetic recording portion of a photographic film, an information determining means for determining whether the read information is appropriate, and a processing means for processing the photographic film. In the processing method of the photographic film processing apparatus, when the information read by the information determination unit is appropriate, the information is processed based on the read information, and the information read by the information determination unit is determined to be inappropriate. If the information is replaceable information, it is determined whether the information is replaceable with predetermined standard information. If not, a method for controlling a photographic film processing apparatus, wherein an input of information from outside is requested and processing is performed based on the input information. 2. An image reading apparatus comprising: an information reading unit that reads magnetic information recorded on a magnetic recording unit of a photographic film; an information determining unit that determines whether the read information is appropriate; and a processing unit that processes the photographic film. The information read by the information reading means is replaceable.
Predetermined judgment to judge whether it is information
The criterion is changed in accordance with the use condition. If the information read by the information determining means is appropriate, the information is processed based on the read information, and the information read by the information determining means is determined to be inappropriate. If the information is replaceable, it is determined based on the above-described criteria whether the information is replaceable with predetermined standard information. If the information is replaceable, the information is replaced with the standard information. A method for controlling a photographic film processing apparatus, wherein if the information is not replaceable information, an external information input is requested, and the information is processed based on the input information. 3. The method according to claim 1, wherein the predetermined standard information corresponds to a use condition.
3. The method according to claim 1, wherein
A method for controlling a photographic film processing apparatus according to claim 1 .