JPH09134214A - Recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reproduce the operations including the operation timing when an error occurs by calculating and storing the time that covers the preceding operation through the present one and carrying out the operation contents which are stored in a history execution mode based on the stored duration of operations. SOLUTION: An operation detection means 2 detects the switch input signal received from an operation part 1. A timer 3 counts up its count value at every fixed time, and a time calculation means 4 calculates the duration of operations. A RAM 5 temporarily stores the time, and an error detection means 6 detects the occurrence of a system error. A storage means 7 stores the operation contents, the duration of operations and the error contents. A display means 9 displays the contents stored in the means 7. Then a history execution means 9 carries out the the operations according to the operation contents stored in the means 7 based on the stored duration of operations. Thus it is possible to faithfully reproduce the operations which are continuously carried out until the occurrence of an error and to easily analyze the cause of the error.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus for recording / reproducing video, audio, digital information signals, etc. on various recording media (tapes, disks, semiconductor memories, etc.).

[0002]

2. Description of the Related Art In recent years, as a means for analyzing the cause of an error, the operation contents stored in the storage means have been displayed or executed (for example, Japanese Patent Laid-Open No. 4-36897). The conventional error occurrence cause analysis means will be described below with reference to the drawings.

FIG. 8 is a block diagram of a conventional recording / reproducing apparatus. In FIG. 8, reference numeral 81 is an operation unit having an operation switch, 82 is an operation detection unit for detecting a switch input signal from the operation unit 81, 83 is an error detection unit for detecting that an error has occurred in the system, and 84 is an operation content. A storage means for storing the error content, a display means 85 for displaying the content stored in the storage means 84, and a history execution means 86 for executing an operation corresponding to the operation content stored in the storage means 84.

The operation detecting means 82 detects that the operation portion 81 is operated, and the operation content is stored in the storage means 84. Further, the error detection means 83 detects an error and stores the error content in the storage means 84. When history display is designated by the service person, the contents stored in the storage means 84 are displayed on the display means 85. Further, when the history execution is designated by the service person, the cause of the error is analyzed by sequentially executing the operation corresponding to the operation content stored in the storage unit 84.

[0005]

However, in the above-mentioned conventional error occurrence cause analysis means, the operation continuation time is not stored in the storage means, and the operation when the error occurs is reproduced including the operation timing. There was a problem that I couldn't do things. The present invention solves the above problems,
The operation duration can be stored in the storage means, and the operation when an error occurs can be reproduced including the operation timing.
An object of the present invention is to provide a recording / reproducing device that facilitates analysis of the cause of error occurrence.

[0006]

In order to achieve the above object, the present invention calculates a time from a previous operation to a current operation by a timer, and stores the time in a storage means as an operation continuation time. During the history execution, the operation corresponding to the operation content stored in the storage means is executed according to the stored operation duration time, thereby faithfully reproducing the operation up to the error occurrence. It is what

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION According to the first aspect of the present invention, an error detecting means for detecting the occurrence of an error, an operation detecting means for detecting the contents of an operation, and a timer are used to detect an error from the previous operation. An operation duration until operation, and a time calculation means for calculating an operation duration from the previous operation to the occurrence of an error, the operation content, the operation duration,
And a storage unit that stores the content of the error, a display unit that displays the content stored in the storage unit, and an operation corresponding to the operation content stored in the storage unit according to the stored operation duration time. Equipped with a history execution means to
It is a recording and reproducing device characterized by having a function to faithfully reproduce the operation up to the occurrence of an error. When an error occurs in the device, by specifying history execution, the operation before the error occurrence can be continued. It can be reproduced according to time, and has the effect of facilitating the analysis of the cause of error occurrence.

According to the second aspect of the present invention, an error detecting means for detecting the occurrence of an error, an operation detecting means for detecting the contents of the operation, and a timer for the operation continuation time from the previous operation to the current operation, And a time calculation means for calculating an operation duration time from the previous operation to the occurrence of an error, a storage means for storing the operation content, the operation duration time, and the error content, and a content stored in the storage means. A recording / reproducing apparatus having a display unit for displaying, and by specifying history display, the operation before the error occurrence can be displayed according to the operation duration time, and the action of facilitating the analysis of the cause of the error occurrence Have.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. (Embodiment 1) FIG. 1 is a block diagram of a recording / reproducing apparatus in a first embodiment of the present invention. In FIG. 1, 1
Is an operation unit having an operation switch, 2 is an operation detection unit that detects a switch input signal from the operation unit 1, 3 is a timer that counts up at regular intervals, 4 is time calculation unit that calculates the operation duration, and 5 is A RAM for temporarily storing time, 6 is an error detecting means for detecting that an error has occurred in the system, 7 is a storing means for storing operation contents, operation duration time, and error contents, and 8 is a storing means 7. Display means for displaying the stored contents, and 9 is history execution means for executing an operation corresponding to the operation contents stored in the storage means 7 in accordance with the stored operation duration time.

Further, FIG. 2 is a configuration diagram of a history file showing the contents stored in the storage means 7 of FIG. FIG.
In, operation 1a to operation na are operation contents, time 1a to time (n-1) a is operation continuation time from operation 1a to operation (n-1) a to operation 2a to operation na, error a is error content, time na is the operation continuation time from the operation na to the occurrence of the error a. Here, regarding the operation content and the operation duration, the latest operation content and the operation duration are always stored by a method such as using a pointer that points to the address of the history file. Also, once an error occurs, it will be stored in the history file b from the next storage,
Each time an error occurs, it will be stored in a new history file. Here, the capacity of the history file and the number of history files depend on the capacity of the storage unit 7.

The processing when the power is turned on in the recording / reproducing apparatus of this embodiment having the above-mentioned structure will be described with reference to FIG. In step S31 of FIG. 3, the time t1 of the timer 3 and the time t2 stored in the RAM 5 are initialized, and the process proceeds to step S32. In step S32, the operation content of the power-on operation is stored in the storage unit 7.

Next, the processing when the recording / reproducing apparatus of this embodiment is operated will be described with reference to FIG. In step S41 of FIG. 4, it is determined whether or not there is a switch input from the operation unit 1. If the determination result is "NO", no processing related to the operation is performed. On the other hand, if the result of the determination in step S41 is "YES", then the process proceeds to step S42.

In step S42, an operation corresponding to the operation content operated this time is performed. In step S43, the time t1 operated this time is taken out from the timer 3, and the difference t1 from the time t2 of the RAM 5 stored when operated last time is calculated.
After calculating -t2, the time t1 is stored in the RAM 5, and the process proceeds to step S44. In step S44, step S
The time t1-t2 calculated in 43, that is, the operation duration time for the previous operation and the current operation content are stored in the storage unit 7.

Next, the processing when an error occurs in the recording / reproducing apparatus of this embodiment will be described with reference to FIG.
In step S51 of FIG. 5, it is determined whether an error has occurred. If the determination result is “NO”, no error processing is performed. On the other hand, if the determination result of step S51 is "YES", the process proceeds to step S52.

In step S52, a process corresponding to the error that has occurred, that is, a process in which the recording / reproducing apparatus is brought into the emergency stop state and only the permitted operation is accepted, is performed. In step S53, the time t1 when the error occurs is taken out from the timer 3, the difference t1-t2 from the time t2 of the RAM 5 stored when the operation was performed last time is calculated, and then the time t1 is stored in the RAM 5, and the step t54 is performed. move on.

In step S54, the time t1-t2 calculated in step S53 and the error content are stored in the storage means 7.
To memorize. Next, with the recording / reproducing apparatus of the present embodiment, a process when a history execution is designated by a service person or the like will be described with reference to FIG. In step S61 of FIG. 6, it is determined whether history execution is designated. If the determination result is "NO", the process related to history execution is not performed. On the other hand, the determination result of step S61 is "YES"
If it is, the process proceeds to step S62.

In step S62, the contents stored in the storage means 7 are displayed on the display means 8 as shown in FIG. 7, and the process proceeds to step S63. In step S63, the serviceman is made to select which history file to execute. After the selection is completed, the process proceeds to step S64. Here, it is assumed that the history file a is selected.

In step S64, the initial value 1 is assigned to the counter n, and the process proceeds to step S65. In step S65, the operation na of the history file a is retrieved from the storage means 7, the operation corresponding to the operation is performed, and the process proceeds to step S66. In step S66, the time na of the history file a is retrieved from the storage means 6, and after waiting for that time, the process proceeds to step S67.

In step S67, the value of the counter n is set to 1
The number is increased, and the process proceeds to step S68. In step S68, the operation na of the history file a is retrieved from the storage means 7 and it is determined whether or not the content is an error content. If the determination result is “YES”, the history execution process ends. On the other hand, if the determination result is “NO”, the process returns to step S65.

Next, a display example when history display is designated in the recording / reproducing apparatus of this embodiment will be described with reference to FIG. The first line in FIG. 7 displays a title indicating history display and a file number indicating which history file. In this case, it is indicated that the history file is the second history file that is traced back from the latest history file.

Further, in the second line, the error code at the time of error occurrence, in the third line, the remaining tape amount at the time of error occurrence, in the fourth line, the battery remaining amount at the time of error occurrence, in the fifth line, the product is shipped. The total energization time from the start to the occurrence of an error is displayed. Furthermore, the eighth to twelfth lines display the state transition of the recording / reproducing apparatus immediately before the error occurred. In this case, after the standby-off operation which is the low power consumption mode is continued for 182 seconds, the recording operation is continued for 65 seconds, the recording standby operation is continued for 37 seconds, the stop operation is continued for 5 seconds, and then the reproduction operation is performed. It indicates that an error occurred 112 seconds after the start.

As described above, according to the recording / reproducing apparatus of this embodiment, the operation up to the occurrence of an error can be faithfully reproduced including the operation timing, and the cause of the error occurrence can be easily analyzed. There is. In addition, in the first embodiment, the storage means 7 stores the operation content, the operation duration time, the error content, the remaining tape amount, the remaining battery amount, and the energization time, but other data indicating the state of each part of the device. , For example,
Time code data for clarifying which part of the tape the error occurred during running, setting data for clarifying the setting values of various LSIs when the error occurred, user-configurable menu when error occurred Menu data or the like for clarifying what value has been set may be stored. In this case, by displaying it on the display means 8, it becomes a clue for the analysis of the cause of the error occurrence, and the analysis can be made easier. Further, according to FIG. 7, the operation duration time is displayed in seconds, but the unit may be in milliseconds or microseconds. This is Figure 6
The same thing can be said for the time waiting in step S66.
In this case, that is, since the unit of time for operation detection and time for history execution becomes finer, history execution can be performed at more accurate timing.

[0023]

As described above, according to the present invention, the operation duration is stored in the storage means together with the operation content, and further, when the history is executed, it corresponds to the operation content stored in the storage means. By performing the operation in accordance with the stored operation duration time, the operation up to the occurrence of the error can be faithfully reproduced, and the effect of facilitating the analysis of the cause of the error can be obtained.

[Brief description of the drawings]

FIG. 1 is a block diagram of a recording / reproducing apparatus according to a first embodiment of the present invention.

2 is a configuration diagram showing a configuration of a history file stored in a storage means 7 of FIG.

FIG. 3 is a flowchart showing an operation when the power is turned on in the embodiment.

FIG. 4 is a flowchart showing an operation when an operation is performed in the embodiment.

FIG. 5 is a flowchart showing an operation when an error occurs in the embodiment.

FIG. 6 is a flowchart showing an operation when history execution is designated in the embodiment.

FIG. 7 is a display example of operation history according to the embodiment.

FIG. 8 is a block diagram of a conventional recording / reproducing device.

[Explanation of symbols]

 1 Operation Unit 2 Operation Detection Means 3 Timer 4 Time Calculation Means 5 RAM 6 Error Detection Means 7 Storage Means 8 Display Means 9 History Execution Means A Switch Input B Operation Content C Error Content D Time t1 E Time t2 F Operation Content, Operation Continuation Time and error content G Memory content

Claims (2)

[Claims] 1. An error detection means for detecting the occurrence of an error, an operation detection means for detecting the content of the operation, a timer, an operation continuation time from the previous operation to the current operation, and an error occurrence from the previous operation. Time calculation means for calculating the operation duration until, and storage means for storing the operation content, the operation duration, and the content of the error,
Display means for displaying the contents stored in the storage means,
The operation corresponding to the operation content stored in the storage means,
A recording / reproducing apparatus comprising a history executing means for executing according to a stored operation duration, and having a function of faithfully reproducing an operation until an error occurs. 2. An error detecting means for detecting the occurrence of an error, an operation detecting means for detecting the content of the operation, a timer, an operation continuation time from the previous operation to the current operation, and an error occurrence from the previous operation. Time calculation means for calculating the operation duration until, and storage means for storing the operation content, the operation duration, and the content of the error,
A recording / reproducing apparatus comprising a display unit for displaying the contents stored in the storage unit.