JPH09247306A - Facsimile equipment and memory backup device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a backup device for a memory which can shorten a user's wait time and improve precision. SOLUTION: A control part 101 which controls the whole equipment always holds an operation state, places respective constituent elements in low-power- consumption stand-by mode when a stand-by state lasts for longer than a specific time, and actuates the respective constituent elements placed in the low- power-consumption stand-by mode after a various-state detection part 104 detects an actuation factor for transition to each operation mode to enter the operation mode.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile device and a memory backup device having a low power consumption standby mode.

[0002]

2. Description of the Related Art In recent years, from the viewpoint of environmental protection, there has been a demand for lower power consumption of office machines. Generally, in a facsimile apparatus having a long standby time, it is strongly required to reduce power consumption in this state.

FIG. 10 is a block diagram showing the structure of a conventional facsimile apparatus having a low power consumption standby mode. In the figure, 8 is a facsimile machine, which has a first system 8a and a second system 8b.

The first system 8a includes a first controller 810,
The reading unit 811, the recording unit 812, and a second control unit 80 described later.
1 has a communication unit 813, a communication unit 814, a ROM 815, a code / decoding unit 816, and a RAM 817.

The second system 8b includes a second controller 801,
Call signal detection unit 802, document detection unit 803, operation unit 804, communication unit 805 with first control unit 810, display unit 8
06, each state detection part 807, the power supply part 808, and the clock measurement part 809.

In the conventional low power consumption standby mode, a power supply section for supplying electric power to the entire facsimile apparatus, a first control section for controlling the system (printer, display, etc.) of the facsimile apparatus, operation such as key input and display, and exchange. And a secondary battery that supplies power to the second control unit. Then, during standby, power supply to the first control unit is stopped and the second control unit monitors an activation factor that releases the low power consumption standby mode. After detecting the activation factor, power is supplied to the first control unit to shift to the operation mode.

Conventionally, in a CPU system having a memory back-up circuit using a secondary battery, there is no guarantee that the data in the memory will be retained when the system is started up. A memory or the like is checked by a thumb or the like, or a voltage detection means for detecting the voltage of the secondary battery is provided to check whether the holding voltage of the memory is secured when the system is started up. The user was informed whether the data inside was normal or not.

[0008]

However, in the conventional facsimile apparatus adopting the above-mentioned system,
A total of two control units, that is, a system control unit for operating the entire system and a monitoring control unit for monitoring the cause of cancellation of the low power consumption standby mode were required. Furthermore, the latter monitor and control unit must use a secondary battery, which hinders cost reduction.

In addition, the conventional facsimile system can control only two modes, that is, a low power consumption standby mode and an operation mode. Therefore, all components are activated regardless of the activation factor. Therefore, in order for the constituent elements to shift to the operation mode after the low power consumption standby mode is released, it is necessary to wait until the activation of all the constituent elements is completed. On the contrary, if each constituent element does not satisfy the condition for shifting to the low power consumption standby mode, the mode cannot shift to the same mode. Therefore, it has been difficult to shift to and return to this mode and refuse to reduce power consumption during standby.

Further, in the above-mentioned conventional memory backup device, either the check of the memory data at the time of system startup or the check of the memory data or the check whether the holding voltage of the memory is secured or not is performed. Since only one side was confirmed, there were the following problems.

First, check at system startup.
The method of confirming the memory data by using the thumb is the most reliable method, but as the amount of data in the memory increases like today, the confirmation time by the CPU becomes longer and the user's There was a problem that the waiting time became long.

On the other hand, in the method of providing the voltage detecting means for detecting the voltage of the secondary battery and confirming whether or not the holding voltage of the memory is secured at the time of starting the system, regardless of the amount of data in the memory, The confirmation time of the CPU is constant, and the waiting time of the user is shorter than the method of confirming the memory data by the check sum, etc., but considering the physical variations of the memory and environmental conditions, the holding voltage of the memory Since there is no choice but to make a judgment with a safety margin, there is a problem that the accuracy is low because the judgment may be a data error even if the data in the memory is actually held.

The present invention has been made in view of the above-mentioned problems of the above-mentioned prior art. The first object of the present invention is to smoothly reduce the cost and to reduce the cost. It is an object of the present invention to provide a facsimile apparatus that can quickly shift to and return to the power consumption standby mode and can further reduce power consumption.

A second object of the present invention is to provide a memory backup device which can shorten the waiting time of the user and improve the accuracy.

[0015]

In order to achieve the first object, a facsimile apparatus according to a first aspect of the present invention comprises a reading section for reading an original, a recording section for recording an image, a communication section for transmitting and receiving image data and the like. In a facsimile apparatus in which each of the components has a low power consumption standby mode, a device control unit that controls the entire facsimile device keeps the operating state at all times The standby mode shifting means for shifting to the power standby mode, the starting factor detecting means for detecting the starting factor for shifting to each operation mode, and the low power consumption standby mode after the starting factor is detected by the starting factor detecting means. It is characterized by comprising an operation mode transition means for activating each constituent element to transit to an operation mode.

Further, in order to achieve the first object, a facsimile apparatus according to a second aspect of the present invention is configured such that each component such as a reading unit for reading a document, a recording unit for recording an image, a communication unit for transmitting and receiving image data and the like. In a facsimile apparatus having a low power consumption standby mode, transition time setting means for setting a transition time to the low power consumption standby mode, and each of the above-mentioned constituent elements when the standby state has passed the set time of the transition time setting means or more. Individual standby mode shifting means for individually shifting to a low power consumption standby mode, start factor detecting means for detecting a start factor for shifting to each operation mode, and low power consumption standby after the start factor is detected by the start factor detecting means. The present invention is characterized by comprising an operation mode transition means for activating each of the above-described constituent elements that have been in the mode to transit to the operation mode.

Further, in order to achieve the first object, a facsimile machine according to a third aspect is the facsimile machine according to the second aspect, in which the standby time measuring means for measuring the standby time for each of the constituent elements, Individual transition time setting means for individually setting the transition time to the low power consumption standby mode of each component, and a component whose transition time to the low power consumption standby mode has exceeded the set time by the individual transition time setting means. A second individual standby mode shifting unit for individually shifting to the low power consumption standby mode, and the above-mentioned operation of each of the constituent elements that have been in the low power consumption standby mode after the activation factor is detected by the activation factor detection unit. It is characterized in that it is activated by the mode shifting means and shifts to the operation mode.

Further, in order to achieve the first object, the facsimile machine according to a fourth aspect is the facsimile machine according to the second aspect, in which only the components related to the activation factor for shifting to each operation mode are provided. It is characterized in that it is provided with a second operation mode transition means for activating and transitioning to the operation mode.

Further, in order to achieve the first object, the facsimile machine according to a fifth aspect is the facsimile apparatus according to the second or fourth aspect.
The above described facsimile machine is characterized in that it is provided with a third operation mode transition means for optimally sequentially activating the constituent elements for each operation mode in accordance with the activation factor for transitioning to each operation mode and transitioning to the operation mode. It is a thing.

Further, in order to achieve the first object, the facsimile machine according to claim 6 is the facsimile machine according to claim 2, 4 or 5, which is a combination of activation factors or activation factors and device status. Transition control that does not perform the transition from the low power consumption standby mode to the operation mode by the combination of the above, and does not perform the transition to the low power consumption standby mode even if the set time of the low power consumption standby mode has elapsed depending on the device state. It is characterized by comprising means.

Further, in order to achieve the first object, the facsimile apparatus according to claim 7 is the facsimile apparatus according to claim 2, 4 or 5 in which each constituent element or component is in a low power consumption standby mode. It is characterized in that it is provided with a power supply stopping means for stopping the power supply of a part of all the constituent elements.

Further, in order to achieve the first object, the facsimile machine according to claim 8 is the facsimile machine according to claim 7, further comprising a selecting means for selecting whether or not the low power consumption standby mode is present. It is a feature.

Further, in order to achieve the first object, the facsimile apparatus according to claim 9 is the facsimile apparatus according to claim 8, wherein the selecting means has a low power consumption standby mode for each component. It is characterized by selecting.

Further, in order to achieve the first object, the facsimile apparatus according to claim 10 is the facsimile apparatus according to any one of claims 1 to 5 or 6, wherein the activation factor operates in conjunction with each component. It is characterized by being a key input for starting.

Further, in order to achieve the first object, the facsimile apparatus according to claim 11 is the facsimile apparatus according to any one of claims 1 to 5 or 6, wherein the activation factor is off-hook of a small telephone. It is a feature.

In order to achieve the first object, the facsimile apparatus according to claim 12 is the facsimile apparatus according to any one of claims 1 to 5 or 6, wherein the activation factor is a calling signal from an exchange. It is characterized by.

Further, in order to achieve the first object, the facsimile apparatus according to claim 13 is the facsimile apparatus according to any one of claims 1 to 5 or 6, wherein the activation factor is a set of read originals. It is a feature.

Further, in order to achieve the second object, the memory backup device according to claim 14 is a voltage detecting means for detecting the voltage of the secondary battery, a checking means for checking the contents of the memory, and a system. And a control means for controlling the checking means to check the contents of the memory only when the voltage of the secondary battery is equal to or less than a specified value at the start-up.

[0029]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) First, the first embodiment of the present invention will be described.
The embodiment will be described with reference to FIGS.

FIG. 1 is a block diagram showing the configuration of a facsimile apparatus according to the first embodiment of the present invention. In FIG. 1, reference numeral 1 is a facsimile apparatus, which is a control unit 101 and a ROM.
(Read-only memory) 102, RAM (random access memory) 103, various state detection units 104, clock measurement unit 105, reading unit 106, operation unit 107, recording unit 10
8, a display unit 109, a communication unit 110, a call signal detection unit 111, and a power supply unit 112, and hereinafter, these are referred to as components as necessary.

The control unit 101 controls the entire facsimile apparatus 1, and operates according to a program stored in the ROM 102. In addition, the control unit 101 uses the RAM 1
03 various data (user data, image data, etc.)
Store and read. The ROM 102 stores a program executed by the control unit 101 for controlling the entire facsimile apparatus 1. The RAM 103 stores various data (user data, image data, etc.).

The various status detecting units 104 detect the status of the facsimile apparatus 1. The status data of the facsimile apparatus 1 (presence / absence of recording paper, presence / absence of cartridge, detection of remaining amount of ink or cartridge, telephone) is provided to the control unit 101. Off-hook, set originals, etc.). For example, when the off-hook of the telephone is detected, the control unit 101
Then, the communication unit 110 is activated. When detecting that the document is set on the reading unit 106, the control unit 101 activates the recording unit 108. Also, there is no recording paper, no cartridge is installed, ink is not in the cartridge, and the reading unit 1
When the document set to 06 and the off-hook state of the telephone are detected, the control unit 101 controls each system (component) so as not to shift to the power consumption standby mode.

The clock measuring unit 105 measures time, and the measurement result is displayed on the display unit 109 by the control unit 101.
Will be displayed. The reading unit 106 reads an image of a document, and the read data is stored in the RAM 103. Further, the reading unit 106 is controlled by the control unit 101 to supply and stop the power from the power supply unit 112.

The operation unit 107 is for inputting various information, and is composed of keys for starting transmission / reception of images, keys for specifying various operation modes, keys for dialing, and the like. A numeric keypad of the operation unit 107, a one-touch / speed key in which the destination telephone number is registered, a redial key,
Pause key, on-hook key for communication, time designated transmission reservation key, polling transmission / reception key,
When the transmission / reception reservation key such as the ITU-T compliant sub-address / password transmission key and the image designation transmission key of the original image image stored in the RAM 103 is pressed, the control unit 10
1 activates the communication unit 110. When the report key for outputting the communication management list or the data list of user registration is pressed, the control unit 101 causes the recording unit 108 to output.
Start. When the copy key is pressed while the original is set, the control unit 101 activates the reading unit 106 and the recording unit 108.

The recording unit 108 records the image data read by the reading unit 106 or the image data received from the communication unit 110. The recording unit 108 can be shifted to the low power consumption standby mode by the control unit 101. The display unit 109 displays the date, time, characters, etc. sent from the control unit 101. The communication unit 110 controls the reading unit 106 based on the control of the control unit 101.
The image data obtained from the device is modulated and transmitted to the other device through the line. Similarly, the communication unit 110
Stores the obtained data in the RAM 103 by demodulating the image data from the partner device. The communication unit 110 is controlled by the control unit 101 to shift to the low power consumption standby mode and to supply and stop the power from the power supply unit 112.

The call signal detection unit 111 is connected to the communication unit 11
A call signal arriving via 0 is detected and sent to this output control unit 101. When the call signal is detected, the control unit 101 activates the communication unit 110 and the recording unit 108. The power supply unit 112 is a supply source of driving power of the facsimile apparatus 1.

Next, the operation of the facsimile apparatus 1 according to the present embodiment in the case of shifting from the low power consumption standby mode to the automatic reception operation and then again shifting to the low power consumption standby mode will be described with reference to the flowchart of FIG. Explain.

The program for executing this flowchart is stored in the ROM 102, and this program is read by the control unit 101 to execute the processing based on the flowchart of FIG.

First, in step S201, it is determined whether or not a call signal is detected by the call signal detector 111 until it is detected. When the call signal is detected, power supply to the communication unit 110 is started under the control of the control unit 101 in step S202. Next, step S203.
Then, the communication unit 110 is activated. Next, step S204
In order to record the received image, the recording unit 108 is activated from the low power consumption standby mode under the control of the control unit 101. At this time, the reading unit 106, which is unnecessary for the receiving operation, remains in the low power consumption standby mode to suppress the power consumption. After activating the communication unit 110 and the reading unit 106 in this way,
In step S205, the receiving operation is started.

Then, in step S206, recording of the received image data is started. Next, in step S207, it is determined whether or not the reception is completed until it is completed. Then, when the reception is completed, it is determined in step S208 whether the output of the received image is completed or not until the output is completed. When the output of the received image is completed, step S20
At 9, the communication unit 110 is shifted to the low power consumption standby mode. Next, in step S210, the power supply to the communication unit 110 is stopped. Next, in step S211, the recording unit 10
8 to the low power consumption standby mode, and the next step S
In 212, the power supply to the recording unit 108 is stopped, and in the next step S213, the facsimile apparatus 1 shifts to the low power consumption standby mode, and then this processing operation is ended.

Next, with reference to the flowchart of FIG. 3, the operation of the facsimile apparatus 1 according to the present embodiment when the low power consumption standby mode is changed to the automatic transmission operation and then to the low power consumption standby mode again. Explain.

The program for executing this flowchart is stored in the ROM 102, and this program is read by the control unit 101 to execute the processing based on the flowchart of FIG.

First, in step S301, it is determined whether or not there is a destination input using the ten keys of 0 to 9, *, and # on the operation unit 107. And if there is no destination input,
In step S302, it is determined whether or not the one-touch / shortening key registered as a destination in the operation unit 107 has been pressed. If the one-touch / abbreviation key is not pressed, the process returns to step S301 and the one-touch / short-cut key is pressed.
If the shortcut key is pressed, the process proceeds to step S303. Further, if there is a destination input using the ten keys in step S301, the process proceeds to step S303.

In step S303, power supply to the communication unit 110 is started under the control of the control unit 101, and the communication unit 110 is activated in the next step S304. Next, in step S305, it is determined whether or not the state detection unit 104 detects that the document is set, until it is detected. When it is detected that the original is set, the supply of power to the reading unit 106 is started in step S306. Next, the reading unit 106 is activated in step S307, and the transmission operation is started in step S308.

Next, in step S309, it is determined whether or not the transmission operation is completed until it is completed. If it is completed,
In the next step S310, it is determined whether or not to output the transmission result report according to the registration data set in the RAM 103. If the transmission result report is not output, the communication unit 110 is shifted to the low power consumption standby mode in step S311. Next, in step S312, the supply of power to the communication unit 110 is stopped, and the next step S313.
Then, the reading unit 106 is shifted to the low power consumption standby mode.
Next, in step S314, the supply of power to the reading unit 106 is stopped, and in the next step S315, the facsimile machine 1
After shifting to the low power consumption standby mode, this processing operation ends.

On the other hand, when outputting the transmission result report in step S310, the recording unit 108 is activated in step S316. Then, in step S317, the transmission result report is recorded, and in the next step S318, it is determined whether or not the output of the transmission result report is completed until it is completed. Then, when the output of the transmission result report is completed, the recording unit 108 is shifted to the low power consumption standby mode in the next step S319, and the power supply to the recording unit 108 is stopped in the next step S320. In step S311, the communication unit 110 is switched to the low power consumption standby mode.

Next, the operation of the facsimile apparatus 1 according to the present embodiment in the case of shifting from the low power consumption standby mode to the manual reception or manual transmission operation and then to the low power consumption standby mode again will be described with reference to FIG. ~ It demonstrates using the flowchart of FIG.

The program for executing this flow chart is stored in the ROM 102, and this program is read by the control unit 101 to execute the processing based on the flow charts of FIGS. 4 to 6.

First, in FIG. 4, in step S401, it is determined whether or not the off-hook of the small telephone has been detected by each state detection unit 104. If the off-hook of the small telephone is not detected, the operation unit 1 is operated in step S402.
It is determined whether or not the 07 on-hook key is pressed.
If the on-hook key is not pressed, the process returns to step S401. If the on-hook key is pressed, or if the off-hook of the sub-phone is detected in step S401, the process proceeds to step S401.
Proceed to 403.

In step S403, the communication section 110
Power supply to the communication unit 110 is started, and the communication unit 110 is activated in the next step S404. Next, in step S405, it is determined whether the start key of the operation unit 107 has been pressed.
If the start key is not pressed, it is determined in step S406 whether or not the destination has been input using the ten-key pad or the one-touch / abbreviation key of the operation unit 107. If the destination is not input, the above step S4
When the destination is input, the call is made in step S407, and when the other party responds, the call state is set.

Next, in this call state, it is determined in step S408 whether or not the start key of the operation unit 107 has been pressed. If the start key is not pressed, it is determined in step S409 whether or not the on-hook of the small telephone is detected by each state detection unit 104. If the on-hook of the small telephone is not detected, the process returns to step S408. If it is detected, the step S41 is performed.
At 0, the communication unit 110 is shifted to the low power consumption standby mode. Next, in step S411, the power supply to the communication unit 110 is stopped, and in the next step S412, the facsimile apparatus 1 shifts to the low power consumption standby mode, and thereafter, this processing operation ends.

On the other hand, if the start key is pressed in step S405, step S in FIG.
At 426, the recording unit 108 is activated, and the next step S42
The receiving operation is started in step 7, and the recording of the received image is started in step S428. Next, in step S429, it is determined whether or not the reception operation is completed until it is completed. If it is completed, it is determined in the next step S430 whether output of all received images is completed or not until completion. Then, when the processing is completed, the recording unit 108 is shifted to the low power consumption standby mode in the next step S431. Next, in step S432, the power supply to the recording unit 108 is stopped, and then the above-mentioned FIG.
Return to step S401.

On the other hand, when the start key is pressed in step S408 of FIG. 4, it is determined whether or not the original detection is detected by each state detection unit 104 in step S413 of FIG. If not, the process proceeds to step S426 in FIG. 5, and if detected, the supply of power to the reading unit 106 is started in step S414 in FIG. 6 and the next step S41.
In step 5, the reading unit 106 is activated, and in the next step S416, the transmission operation is started. Next, in step S417, it is determined whether or not the transmission operation is completed until it is completed. If it is completed, in the next step S418, it is determined whether or not to output the transmission result report according to the registration data set in the RAM 103. To judge. When the transmission result report is not output, the reading unit 106 is shifted to the low power consumption standby mode in step S419, the power supply to the reading unit 106 is stopped in the next step S420, and then the above-described FIG.
To step S410.

On the other hand, when the transmission result report is output in step S418 of FIG. 6, step S42.
The recording unit 108 is activated in 1 and the transmission result report is recorded in the next step S422. Next, step S423.
In step S424, it is determined whether the output of the transmission result report has been completed or not, and if so, the recording unit 108 is shifted to the low power consumption standby mode, and in the next step S425, the reading unit 106 is executed. Of the electric power is stopped, and then the process proceeds to step S419.

Next, the operation of the facsimile apparatus 1 according to the present embodiment when the low power consumption standby mode is changed to the copy operation and then to the low power consumption standby mode again, will be described with reference to the flowchart of FIG. explain.

The program for executing this flowchart is stored in the ROM 102, and this program is read by the control unit 101 to execute the processing based on the flowchart of FIG.

First, in step S501, each state detection unit 1
It is determined by 04 whether or not it is detected that the document is set on the ADF (automatic document feeder) for reading until it is detected. If it is detected that the operation unit 107 has been set, the operation unit 107 is detected in the next step S502.
It is determined whether or not the copy key of is pressed. And
If the copy key is not pressed, the above step S50 is performed.
If it is pressed back to step 1, the next step S5
At 03, the supply of power to the reading unit 106 is started. next,
The reading unit 106 is activated in step S504, the recording unit is activated in next step S505, and the next step S50 is performed.
At 6, the copy operation is started. Next, in step S507, it is determined whether or not the copy operation is completed until it is completed. When the copy operation is completed, the recording unit 108 is shifted to the low power consumption standby mode in the next step S508, the power supply to the recording unit 108 is stopped in the next step S509, and then the next step is performed. Proceed to S510.

In step S510, the reading unit 106
To the low power consumption standby mode, and next step S5
In 11, the power supply to the reading unit 106 is stopped, and in the next step S512, the facsimile apparatus 1 shifts to the low power consumption standby mode, and then this processing operation ends.

(Second Embodiment) Next, the second embodiment of the present invention will be described.
The embodiment will be described with reference to FIGS. FIG.
FIG. 6 is a block diagram showing a configuration of a memory backup device according to a second embodiment of the present invention, in which reference numeral 601 denotes a CPU (Central Processing Unit), which is connected via a system bus line 610. Is connected to the memory 602 that is the backup target. Power to the memory 602 is supplied via a DC / DC converter 603 that exchanges the voltage of the secondary battery 605 with the power supply voltage of the memory 602. To charge the secondary battery 605, turn on the power (O
At the time of N), it is performed by the power supply voltage output (Vcc) 609 in the charging circuit including the resistor 607 and the diode 606.

On the other hand, the voltage of the secondary battery 605 is also input to the voltage detection circuit 604 and compared with the reference voltage generation circuit 608 to guarantee the data holding voltage of the memory 602.
The comparison result is input to the CPU 601.

Next, the operation of the memory backup device configured as described above will be described with reference to FIG. FIG. 9 is a flowchart showing the operation control procedure of the memory backup device.

First, the CPU 60 is turned on by turning on the power.
The control operation of No. 1 starts, and in step S701, the voltage of the secondary battery 605 is input to the voltage detection circuit 604, and it is detected to what extent the output voltage of the secondary battery 605 has dropped during power off (OFF). Next, in step S702, the output voltage of the secondary battery 605 is compared with the reference voltage generated by the reference voltage generation circuit 608, that is, the data holding voltage for guaranteeing the data holding voltage of the memory 602, and the secondary battery 605 is compared. It is determined whether or not the output voltage of is above the data holding voltage. When the output voltage of the secondary battery 605 is equal to or higher than the data holding voltage, it is determined that the data in the memory 602 is held, and the operation originally performed by this device is started.

On the other hand, when the output voltage of the secondary battery 605 is equal to or lower than the data holding voltage in step S702, the CPU 601 determines in step S703 that the memory 602 is in operation.
The data content of is checked by a known technique such as a checksum, and the CPU 601 determines whether or not there is a data error in step S704. Then, if it is not a data error, the operation which this apparatus originally performs is started, and if it is a data error, after error processing such as initialization of the memory 602 and warning to the user in step S705, The operation that this device originally performs starts.

As a result, the reference voltage generation circuit 608 for judging the voltage of the secondary battery 605 does not need to use a highly accurate one because the judgment process is re-entered, and the cost of the entire apparatus can be reduced. it can.

Further, only when the voltage of the secondary battery 605 is equal to or lower than the reference voltage, the CPU 601 checks the data content of the memory 602 and judges the data error, so that the power is normally turned off for a short time. Even when the memory 602 has a large capacity, if the voltage of the secondary battery 605 is equal to or higher than the reference voltage, the system can be quickly started up when the system is started up from the back-up, and thus the user does not have to wait. In addition, even when starting the system from back-up by turning off the power longer than usual,
Even if the voltage of the secondary battery 605 is equal to or lower than the reference voltage, the memory 60
It takes time to start up the system because the data contents of 2 are checked again, but if the data contents of the memory are normal, it can be used and the damage to the user should be minimized. You can

[0067]

As described above in detail, according to the facsimile apparatus of the present invention, the apparatus control section for controlling the entire apparatus keeps the operating state at all times and keeps each constituent element in the standby state for a predetermined time or more. After shifting to the low power consumption standby mode and detecting the activation factor that shifts to each operation mode, each component that was in the low power consumption standby mode is activated and shifts to the operation mode, so that the price can be reduced smoothly. In addition to being able to achieve this, it is possible to achieve an effect that it is possible to quickly shift to and return to the low power consumption standby mode, and further to further reduce power consumption.

Further, according to the memory backup device of the present invention, when the system is started up, the checking means controls the memory contents to be checked only when the voltage of the secondary battery is equal to or lower than the specified value. There is an effect that the waiting time can be shortened and the accuracy can be improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a facsimile apparatus according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing a procedure for controlling a return operation from the low power consumption standby mode during automatic reception in the facsimile apparatus.

FIG. 3 is a flowchart showing a procedure for controlling a return operation from the low power consumption standby mode during automatic transmission in the facsimile apparatus.

FIG. 4 is a flowchart showing a procedure for controlling a return operation from a low power consumption standby mode during manual transmission / reception in the facsimile apparatus.

FIG. 5 is a flowchart showing a procedure for controlling a return operation from the low power consumption standby mode during manual transmission / reception in the facsimile apparatus.

FIG. 6 is a flowchart showing a procedure for controlling a return operation from the low power consumption standby mode during manual transmission / reception in the facsimile apparatus.

FIG. 7 is a flowchart showing a procedure of controlling a return operation from the low power consumption standby mode during copying in the facsimile apparatus.

FIG. 8 is a block diagram showing a configuration of a memory backup device according to a second embodiment of the present invention.

FIG. 9 is a flowchart showing an operation control procedure of the memory backup device according to the same embodiment;

FIG. 10 is a block diagram showing a configuration of a conventional facsimile apparatus.

[Explanation of symbols]

 1 Facsimile device 101 Control unit 102 ROM 103 RAM 104 Various status detection unit 105 Clock measurement unit 106 Reading unit 107 Operation unit 108 Recording unit 109 Display unit 110 Communication unit 111 Call signal detection unit 112 Power supply unit 601 CPU 602 Memory 603 DC / DC Converter 604 Voltage detection circuit 605 Secondary battery 606 Diode 607 Resistance 608 Reference voltage generation circuit 609 Power supply voltage output 610 System bus line

Claims (14)

[Claims] 1. A device for controlling the entire facsimile device in a facsimile device in which each component such as a reading unit for reading a document, a recording unit for recording an image, and a communication unit for transmitting and receiving image data and the like has a low power consumption standby mode. The control unit keeps the operating state at all times, and detects a standby mode shifting unit that shifts each component to a low power consumption standby mode when the standby state has passed for a predetermined time or more, and a start factor that shifts to each operating mode. It is provided with a start factor detection means, and an operation mode transfer means for starting each of the constituent elements that have been in the low power consumption standby mode after the start factor is detected by the start factor detection means and for shifting to the operation mode. And a facsimile machine. 2. A facsimile apparatus in which each component such as a reading unit for reading a document, a recording unit for recording an image, and a communication unit for transmitting and receiving image data has a low power consumption standby mode Transition time setting means for setting the transition time, individual standby mode transition means for individually transitioning each of the constituent elements to the low power consumption standby mode when the standby state has passed the preset time of the transition time setting means or more, Activation factor detecting means for detecting an activation factor that shifts to the operation mode, and operation for activating each of the constituent elements that have been in the low power consumption standby mode after detecting the activation factor by the activation factor detection means and shifting to the operation mode A facsimile machine comprising a mode transition means. 3. A standby time measuring means for measuring a standby time for each component, an individual transition time setting means for individually setting a transition time to the low power consumption standby mode of each component, and low power consumption. A second individual standby mode transition means for individually transitioning a component whose transition time to the standby mode is equal to or longer than the set time by the individual transition time setting means to the low power consumption standby mode, and the activation factor detection means 3. The facsimile apparatus according to claim 2, wherein the constituent elements that have been in the low power consumption standby mode after the activation factor is detected are activated by the operation mode transition means to transit to the operation mode. 4. The second operation mode transition means for activating only the related component according to the activation factor for transitioning to each operation mode and transitioning to the operation mode. Facsimile machine. 5. A third operation mode transition means for optimally sequentially activating the constituent elements for each operation mode according to the activation factor for transitioning to each operation mode and transitioning to the operation mode. The facsimile apparatus according to Item 2 or 4. 6. The transition from the low power consumption standby mode to the operation mode is not executed due to the combination of each activation factor or the combination of the activation factor and the device state, and the set time for transitioning to the low power consumption standby mode has elapsed depending on the device state. 6. The facsimile apparatus according to claim 2, further comprising transition control means for controlling so as not to perform transition to the mode. 7. A low-power-consumption standby mode, further comprising a power supply stopping means for stopping the power supply of each component or a part of all the components.
The facsimile machine according to 4 or 5. 8. The facsimile apparatus according to claim 7, further comprising a selection unit for selecting whether or not to have a low power consumption standby mode. 9. The facsimile apparatus according to claim 8, wherein the selecting means selects whether or not the low power consumption standby mode is set for each component. 10. The facsimile apparatus according to claim 1, wherein the activation factor is a key input that starts an operation in association with each component. 11. The facsimile apparatus according to claim 1, wherein the activation factor is off-hook of a small telephone. 12. The facsimile apparatus according to claim 1, wherein the activation factor is a calling signal from an exchange. 13. The facsimile apparatus according to claim 1, wherein the activation factor is a set of read originals. 14. The voltage detecting means for detecting the voltage of the secondary battery, the checking means for checking the contents of the memory, and the checking means only when the voltage of the secondary battery is below a specified value when the system is started up. A memory back-up device, comprising: a control unit for controlling the contents of the memory to be checked.