JPH06161613A - Document processor - Google Patents

Abstract

PURPOSE:To suppress wasteful power consumption by providing a power source control means turning off a power source when the power source off commanding signal is received from a power source off commanding means and a printing termination signal is received from a printing termination detecting means and automatically turning off the power source when a printing is terminated. CONSTITUTION:When the document stored in the data part of an internal memory 2 is printed, a printing instruction is inputted by the operation of a keyboard 5. At this time, an instruction turning off a power source automatically after a printing is terminated is simultaneously inputted by the operation of the keyboard 5. A central processor 1 outputs a power source off commanding signal to a power source control means 15 and starts the printing of the document information to be printed which is stored in the prescribed area of the data part of the internal memory 2. When all the printings of the document information are terminated, a printing termination signal is outputted to the power source control means 15. The power source control means 15 which receives the printing termination signal releases a power source relay 14a and interrupts the supply of power from an external power source to a power source circuit 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document processing apparatus, and more particularly to the state of a power source during printing.

[0002]

2. Description of the Related Art FIG. 5 shows, for example, JP-A-63-24422.
3 shows a document processing device disclosed in Japanese Patent Laid-Open No. 3 publication, in which 1 is a central processing unit (C) which controls the entire device.
PU) is processed at the time of printing based on the flowchart shown in FIG. Reference numeral 2 denotes an internal section having a program section for storing a processing program for creating, editing, proofreading, etc. of a document to be executed by the central processing unit, and a data section for storing document information for a plurality of pages in a predetermined format. A memory (MMU), 3 is control means including a floppy disk controller (FDC) for storing various program information, document information and the like, 5 is a keyboard (KB) having various keys for inputting documents, and 6 is this It is a keyboard controller.

Reference numeral 7 is a display means including a display (DISP) for displaying various work menus, created documents, document control information, etc., 8 is a display control means (DISPC) for controlling this display means, and 9 is a kanji character. Pattern memory (K
PM) and the like, character font storage means, 10 is a printing means such as a printer (PRT) for printing documents, and 11 is a print control means (P) for controlling this printing means.
RTC), 12 is a power supply circuit for converting an external power supply such as a 100 V AC power supply to an internal power supply which is a 5 V DC power supply used inside the document processing apparatus, and 13 b is a power switch for turning on / off the power supply circuit. Is.

Next, the operation of the document processing apparatus thus constructed will be described. First, when the power switch 13b is turned on, AC power is supplied from the external power supply to the power supply circuit 12, and the power supply circuit 12 converts it into a DC power supply of 5V to bring the device itself into a drive state. Then, the central processing unit 1 starts control of the entire system based on the processing program stored in the program section of the internal memory 2. According to the control of the central processing unit 1, the display control means 8 causes the display means 7 to display various operations.

Then, a document is created by a key operation from the keyboard 5 or a document is read from the floppy disk 3 and proofreading is executed under the control of the floppy disk controller 4. Thus, the document to be printed is stored as document information in a predetermined area of the data section of the internal memory 2.

Next, a document to be printed is created, and when printing this document, a print instruction is input by operating the keyboard 5. Then, the central processing unit 1 starts printing the document information to be printed, which is stored in a predetermined area of the data section of the internal memory 2, in parallel with the calculation and display of the predetermined required time.

This printing operation will be described in more detail with reference to the flow chart executed by the central processing unit 1 shown in FIG. First, in step 61, the time required for printing is calculated line by line from the format information of the document information to be printed and the character code data in the data section of the internal memory 2 and added to calculate the total printing time. Next, in step 62, it is confirmed whether or not there is a print time display request, and if there is a request, the process proceeds to step 63, and the display control means 8 is instructed of the total time required for printing and the remaining time required for printing. It is displayed on the display means 7.

In step 64, the presence or absence of the document information to be printed is confirmed. If there is the document information to be printed, the process proceeds to step 65, and the document information to be printed is printed by the print control means 11
One line is output to the printing means under the control of
To print one line. At the same time, the time required for the remaining printing is recalculated in step 66, the process returns to step 62, and the same operation as above is repeated, and all the document information to be printed is printed by the printing means 10 and one line is printed. Is calculated, the remaining time is recalculated and displayed on the display means 7. When all the printing of the document information to be printed is completed in this way, it is judged in step 64 that there is no document information to be printed, and the printing is ended.

[0009]

However, in the conventional document processing apparatus configured as described above, the printing time and the remaining printing time are displayed, but the waiting time until the end of printing or the remaining printing time is displayed. It is necessary to turn off the power by returning to after the end of printing after checking the time. Therefore, if after a long time after the printing is completed, the power is turned off after returning for a long time, the power will be wasted, and the product life will be shortened. However, it has a problem that it cannot be left as it is.

Further, if the power is turned off for some reason during printing, the printing ends halfway and the printing must be restarted.

The present invention has been made in view of the above points, and the power can be automatically turned off at the end of printing, wasteful power is not consumed, and even if it is left as it is during the printing process. A first object is to obtain a secure document processing device.

It is a second object of the present invention to provide a document processing apparatus which can maintain the power supply until the end of printing even if the power is turned off for some reason during printing.

[0013]

A document processing apparatus according to a first aspect of the present invention includes a power-off instruction means for outputting a power-off instruction signal for turning off the power at the end of printing, and a printing end detecting and printing. A print end detection means is provided for the end signal, and a power supply control means for receiving a power supply command signal from the power supply off command means and turning off the power supply when receiving the print end signal from the print end detection means.

A document processing apparatus according to a second aspect of the present invention receives a power switch and a signal indicating a printing state such as printing start or printing, and the power source is turned off even if the power switch is turned off during printing. A power supply holding unit that holds the power supply at least until the end of printing is provided.

[0015]

In the first aspect of the present invention, the power supply control means receives the power supply off command signal from the power supply off command means and the print end signal from the print end detection means to turn on the power supply at the end of printing. Turn off to suppress wasteful power consumption.

In the second invention of the present invention,
Even if the power supply holding means is turned off during printing, the power supply is held until printing is completed, and printing is completed to the end.

[0017]

【Example】

Example 1. An embodiment of the present invention will be described below with reference to FIGS. In FIG. 1, 13a is a power switch for instructing whether or not to supply power to the power supply circuit 12 from an external power supply, and 14a is connected between the external power supply and the power supply circuit 12 to connect the external power supply to the power supply circuit 12. A power supply relay for controlling on / off of the power supply of 15 controls the opening / closing operation of the power supply relay 14a by the on / off operation of the power supply switch 13a, and the central processing unit 1
When the power switch 13a is turned off during printing by the power control means (PSC) that opens the power relay 14a when receiving the power off command signal and the print end signal from In this case, the power supply relay 14a is opened after the completion of printing.

The central processing unit 1 performs processing based on the flow chart shown in FIG. 2 at the time of printing, and power-off command means for outputting a power-off command signal for powering off at the end of printing by an input operation from the keyboard 5. When,
It functions as a print end detecting means that detects the end of printing and outputs a print end signal. Further, the program section of the internal memory 2 stores a processing program based on the flowchart shown in FIG.

Next, the operation of the document processing apparatus configured as described above will be described. First, the power switch 13a
When the power is turned on, the power supply control means 15 operates to close the power supply relay 14a, and AC power is supplied from the external power supply to the power supply circuit 12 via the power supply relay 14a.
2 is replaced with a DC power source of 5V, and the device itself is driven. Then, the central processing unit 1 starts control of the entire system based on the processing program stored in the program section of the internal memory 2. According to the control of the central processing unit 1, the display control means 8 causes the display means 7 to display various operations.

Then, by operating the keys on the keyboard 5, a document is created, or under the control of the floppy disk controller 4, reading of the document from the floppy disk 3 and calibration are executed. Thus, the document to be printed is stored as document information in a predetermined area of the data section of the internal memory 2.

Next, a document to be printed is created, and when printing this document, a print instruction is input by operating the keyboard 5. At this time, if an instruction to automatically turn off the power is input after the printing is completed by operating the keyboard 5 at the same time, the central processing unit 1 outputs a power off instruction signal to the power control means 15 and the internal memory 2 When the printing of the document information to be printed stored in the predetermined area of the data section is started and all the printing of the document information is completed,
A print end signal is output to the power supply control means 15. Upon receiving the print end signal, the power supply control means 15 opens the power supply relay 14a and cuts off the supply of power from the external power supply to the power supply circuit 12.

This printing operation will be described in more detail with reference to the flow chart executed by the central processing unit 1 shown in FIG. First, in step 21, the presence or absence of the document information to be printed in the data section of the internal memory 2 is confirmed, and if there is the document information to be printed, the process proceeds to step 22 and the print control means 11 prints the document information to be printed. Under the control of, the printing means 10 outputs one line, and the printing means 10 prints one line. Then, the process returns to step 21 and the same operation as above is repeated to print all the document information to be printed. Printing means 10
To print.

When all the printing of the document information to be printed is completed in this way, it is judged in step 21 that there is no document information to be printed, and the process proceeds to step 23. In step 23, it is determined whether or not there is a power-off request from the keyboard 5 before printing, a power-off request from the keyboard 5 during printing, or a power-off request due to an off operation of the power switch 13a. If it is determined that there is a power-off request, the process proceeds to step 24, and the power control means 15
The power supply control means 15 opens the power supply relay 14a to automatically cut off the power supply from the external power supply.

In the first embodiment having the above-mentioned structure, the power is automatically turned off at the end of printing, so that unnecessary power consumption is eliminated and the life of the apparatus can be shortened. No, and by mistake the power switch 1
Even if 3a is turned off, the power supply is maintained until the end of printing, so that it is not necessary to print again. If the power-off request is not input, the power from the external power supply remains supplied even after the printing is completed.

Example 2. 3 and 4 show Embodiment 2 of the present invention. In FIG. 3, reference numeral 14b is a power supply switch 13b connected between a power supply and a power supply circuit 12 and a power supply holding relay connected in parallel. The power supply means receives a signal from the print control means 11 indicating a printing state such as printing start or printing, and the external power supply and the power supply circuit 1
2 and 2 are electrically connected.

The central processing unit 1 performs processing based on the flowchart shown in FIG. 4 at the time of printing, and outputs a print request signal to the print control means 11. Further, the program section of the internal memory 2 stores a processing program based on the flowchart shown in FIG. The print control unit 11 receives the print request signal from the central processing unit 1 and keeps the power supply holding unit 14b in the closed state until printing is completed.

Next, the operation of the second embodiment configured as described above will be described. The creation and editing of the document, the reading of the document from the floppy disk 3 and the proofreading operate in the same manner as in the above-mentioned conventional example, and therefore the description thereof will be omitted.

When a document to be printed is created and this document is to be printed, a printing instruction is input by operating the keyboard 5, and the printing operation is started. This printing operation will be described in more detail based on the flowchart executed by the central processing unit 1 shown in FIG. First, in step 41, the print control signal is output from the print control device 11 to the printing device 10, and at the same time, the power supply holding device 14 outputs the print request signal.
b to output the power supply holding means 14b to the closed state. Even if the power switch 13b is erroneously turned off in this state, the power supply from the external power source to the power circuit 12 is maintained.

Next, in step 42, the internal memory 2
The presence or absence of the document information to be printed in the data section is checked, and if there is the document information to be printed, the process proceeds to step 43, and the document information to be printed is sent to the printing means 10 under the control of the print control means 11. One line is output, the printing unit 10 prints one line, the process returns to step 42, and the same operation as above is repeated to print all the document information to be printed by the printing unit 10.

When the printing of all the document information to be printed is completed in this way, it is judged in step 42 that there is no document information to be printed, and the process proceeds to step 44. In step 44, a signal for turning off the print request signal is output to the print control unit 11, and the print control signal 11 opens the power supply holding unit 14b to shut off the power supply from the external power supply.

In the second embodiment configured as described above, even if the power switch 13b is erroneously turned off during printing, the document information in the internal memory 2 is destroyed or lost. The printing is performed to the end of the document information without performing the process.

In the first and second embodiments, the power supply relay 14a controlled by the power supply control means 15 and the power supply holding means 14b controlled by the print control means 11 are ON / OFF of an electromagnetic relay or a solid state relay. Any switch that can be turned off can be used.

Further, in the first and second embodiments, the one in which the electric power is supplied by the external power source is shown, but it is also applicable to the one in which the electric power is supplied by the built-in battery. In this case, What is necessary is just to make it the structure which controls the supply from the built-in battery.

[0034]

As described above, according to the first aspect of the present invention, the power is turned off when the power off command signal is received from the power off command means and the print end signal is received from the print end detecting means. Since the power supply control means is provided, the power is automatically turned off when printing is finished, wasteful power consumption is suppressed, the life of the product is shortened, and the printing can be left without waiting for the end of printing. It has an effect.

In the second aspect of the present invention, even if the power switch is turned off during printing in response to a signal indicating a printing state such as printing start or printing, power is supplied at least until the end of printing. Since the power supply holding means for holding is provided, even if the power switch is accidentally turned off during printing, printing is performed until the end of printing, and if the power switch is turned off after printing is performed, the power is turned on when the printing is completed. This has the effect that it can be turned off automatically.

[Brief description of drawings]

FIG. 1 is a block diagram showing a first embodiment of the present invention.

FIG. 2 is a flowchart showing a processing flow at the time of printing in the central processing unit according to the first embodiment of the present invention.

FIG. 3 is a block diagram showing a second embodiment of the present invention.

FIG. 4 is a flowchart showing a processing flow at the time of printing in the central processing unit according to the second embodiment of the present invention.

FIG. 5 is a block configuration diagram showing a conventional document processing apparatus.

[Explanation of symbols]

1 central processing unit having the functions of power-off command means and power control means 2 internal memory 5 keyboard 10 printing means 11 printing control means 13a power switch 13b power switch 14a power relay 14b power supply holding means 15 power control means

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] October 23, 1991

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0002

[Correction method] Change

[Correction content]

[0002]

2. Description of the Related Art FIG. 5 shows, for example, JP-A-63-24422.
3 shows a document processing device disclosed in Japanese Patent Laid-Open No. 3 publication, in which 1 is a central processing unit (C) which controls the entire device.
PU) is processed at the time of printing based on the flowchart shown in FIG. An internal unit 2 has a program section for storing a processing program for creating, editing, proofreading, etc. of a document to be executed by the central processing unit, and a data section for storing document information for a plurality of pages according to a predetermined format. Memory (MMU), 3 is an external device such as a floppy disk (FDD) for storing various program information, document information, etc.
Storage means 4 is a floppy disk controller (FD
C is a control means such as C), 5 is a keyboard (KB) having various keys for inputting documents, and 6 is a controller of this keyboard.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction content]

[0017]

EXAMPLES Example 1. An embodiment of the present invention will be described below with reference to FIGS. In FIG. 1, is 13a an external power source ?
A power switch for instructing whether or not to supply power to Luo supply circuit 12, 14a is an external power supply and the power supply circuit 12
A power supply relay connected between the power supply circuit 12 and an external power supply to control the power supply to the power supply circuit 12, and 15 controls the opening / closing operation of the power supply relay 14a by turning on / off the power switch 13a. A power-off control signal (PSC) that receives a power-off instruction signal and a print end signal from the central processing unit 1 and opens the power relay 14a when the print end signal is received, and turns off the power switch 13a during printing. When the power is turned off, the power relay 14a is opened after the completion of printing.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0035

[Correction method] Change

[Correction content]

In the second aspect of the present invention, even if the power switch is turned off during printing in response to a signal indicating a printing state such as printing start or printing, power is supplied at least until the end of printing. Since the power supply holding means for holding is provided, even if the power switch is accidentally turned off during printing, printing is performed until the end of printing , and if the power switch is turned off during printing, the power will be turned on when the printing is completed. Has the effect that it can be turned off automatically. ─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] December 9, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a block diagram showing a first embodiment of the present invention.

FIG. 2 is a flowchart showing a processing flow at the time of printing in the central processing unit according to the first embodiment of the present invention.

FIG. 3 is a block diagram showing a second embodiment of the present invention.

FIG. 4 is a flowchart showing a processing flow at the time of printing in the central processing unit according to the second embodiment of the present invention.

FIG. 5 is a block configuration diagram showing a conventional document processing apparatus.

FIG. 6 is a flowchart showing a processing flow at the time of printing in the central processing unit in the conventional document processing apparatus.

[Description of Reference Signs] 1 central processing unit having functions of power-off command means and power control means 2 internal memory 5 keyboard 10 printing means 11 print control means 13a power switch 13b power switch 14a power relay 14b power supply holding means 15 power Control means

Claims (2)

[Claims] 1. A power-off command means for outputting a command signal to turn off the power at the end of printing, a print end detecting means for detecting the end of printing and outputting a print end signal, and a power-off command signal from the power off command means. And a document processing apparatus having a power supply control means for turning off the power supply when receiving a print end signal from the print end detection means. 2. A power supply holding means for holding a power supply at least until the end of printing even if the power switch is turned off during printing by receiving a signal indicating a printing state such as a power switch and printing start or printing. A document processing device provided with.