Canon Kabushiki Kaisha

Yasuhiro Kozuka

Masayuki Sakura

Masanori Sakai

Koji Arai

Keishi Inaba

Yuushi Sato

A circuit board on which a first set or a second set is exclusively mounted includes an IC attachment part, first and second attachment parts, and first, second, and third conductor patterns. The first set includes a first integrated circuit and a first electric element, and the second set including a second integrated circuit and a second electric element. The first attachment part includes first and second pads, and the second attachment part includes third and fourth pads. In a case where the first electric element is not mounted, the first pad and the second pad of the first attachment part are opened so as not to be electrically conductive with each other. In a case where the second electric element is not mounted, the third pad of the second attachment part and the second pad are opened so as not to be electrically conductive with each other.

Circuit board

An information processing apparatus that can perform error notification with ease and at a low cost in a case where falsification of an activation program is detected. The information processing apparatus has a main CPU for executing various programs, a sub CPU for verifying falsification of the activation program of the main CPU and perform recovery processing for the falsification, a FLASH Memory for storing a boot code of the activation program, a hardware sequencer for selectively switching one of the main CPU and the sub CPU so as to be capable of accessing the FLASH Memory, and a LED having three types of notification patterns. The hardware sequencer causes notification of the LED to change one of the three types of notification patterns according to both states of a falsification detection determination signal and an UNDER_RECOVERY signal from the sub CPU.

Information processing apparatus that verifies falsification of activation program, control method therefor, and storage medium

An information processing apparatus includes: at least one device; a first processor configured to control the at least one device; a second processor configured to verify validity of a program to be executed by the first processor, and to allow the first processor to execute the program when the program is determined to be valid; and a control circuit configured to control supply of power to the at least one device. The second processor starts the verification of the program in response to the information processing apparatus being powered on. The first processor starts the execution of the program at least based on a first control signal indicating that the program is determined to be valid. The control circuit starts the supply of the power to the at least one device before the determination that the program is valid.

Information processing apparatus and method

An information processing apparatus includes a storage unit configured to store information related to an activation of the information processing apparatus, a control unit configured to perform a control such that, in a case where the information stored in the storage unit relates to a first activation, the information processing apparatus is shifted into a standby state when power is supplied to the information processing apparatus, and in a case where the stored information relates to a second activation, the information processing apparatus is shifted into the standby state when the power is supplied to the information processing apparatus and also a signal input to the control unit is put into a particular state, and a power supply control unit configured to put the signal input to the control unit into the particular state when the information processing apparatus is not shifted into the standby state even when the power is supplied.

Information processing apparatus and activation method thereof

In order to prevent wasteful power consumption, in various embodiments, advance activation of a printer is avoided in the event of an attack on a particular port if the printer is used in a network environment with a low security strength. For example, according to one embodiment, while a GPIO signal for activating the printer in advance is generated in response to reception of print data, the GPIO assert setting is disabled if a network to which the printer is connected has a low security strength.

Image printing apparatus and method for controlling image printing apparatus

The electronic apparatus includes a controller that performs control of the entire apparatus and a UI module that performs a display for a user interface by using an image data supplied from the controller. Then, the controller includes a first processor and the UI module includes a second processor, respectively. Then, the controller diagnoses an abnormality of at least the first processor at the time of boot of the electronic apparatus. Then, the UI module diagnoses an abnormality of the display and notifies, in a case where an abnormality of the display is detected at the time of boot of the electronic apparatus, the controller of the detected abnormality by communication between the second processor and the first processor.

Electronic apparatus with a user interface module having a diagnosis unit to detect an abnormality of a display at the time of boot, and abnormality detection method

A power supply control unit in a power supply unit in a multi-functional peripheral turns off a PFC unit in a power-saving mode. If a return to a normal mode occurs, whether the PFC unit is to be turned on or not is controlled based on a cause of the return to the normal mode. If the PFC unit is not to be turned on or already has an ON state based on the occurrence of the return, the power supply control unit immediately causes power supply unit to start power supply based on the cause of return. If the PFC unit is turned on based on the occurrence of the return, the power supply control unit causes the power supply unit to start power supply based on the cause of return after a lapse of a delay time from the turning on of the PFC unit.

Information processing apparatus having power factor correction circuit and control method for the same

A communication apparatus for performing automatic reception processing of a calling signal received on a telephone line, by power supplied from a first power supply, includes an image processing unit, a detection unit, a counting unit, and a power supply control unit. The image processing unit performs image processing on image data received over the telephone line, by power supplied from a second power supply. The detection unit detects a calling signal received on the telephone line, by power supplied from the first power supply, while power supplied from the second power supply is stopped. The counting unit counts the number of calling signals detected by the detection unit. The power supply control unit starts supply of power from the second power supply on the basis that the number of detected calling signals counted by the counting unit reaches a predetermined number.

Communication apparatus, method of controlling communication apparatus, and storage medium

There is provided a communication apparatus to which a telephone is connectable. While the telephone is disconnected from a telephone line, the communication apparatus shifts to a power saving mode. If an incoming call is detected in the power saving mode, the communication apparatus is returned from the power saving mode, and then controls to switch connection between the telephone and the telephone line in accordance with preset setting of an operation at the time of an incoming call.

Communication apparatus, method of controlling the same, and storage medium

A control apparatus includes a first control unit, a second control unit including a memory for storing information for performing startup processing, and a power supply unit configured to supply electric power to the first control unit and the second control unit, and in a case where electric power is supplied from the power supply unit to the second control unit, whether a startup state of the second control unit is normal is determined. In a case where the startup state of the second control unit is determined to be normal, the power supply unit supplies electric power to the first control unit. In a case where the startup state of the second control unit is determined to be not normal, to power supply to the memory from a backup power supply for the memory is stopped so as to clear the memory of the second control unit.

Memory reset control apparatus, method for controlling the control apparatus, and storage medium

Information processing apparatus and activation method thereof for cases when setting information that is referred to when the apparatus is activated is rewritten

An image processing apparatus reads an original to which a restriction item such as copy restriction is embed to input image data. The image processing apparatus restricts an image processing on the input image data which involves a loss of the embedded information on the restriction item to maintain a state where the restriction item is embedded for the output. Alternatively, the image processing apparatus outputs the image data of a format where the restriction information is added to the input electric data.

Image processing apparatus and image processing method to read and prevent loss of coded information

An image processing apparatus and method determine whether an error detecting rate of original information extracted from a code image in a read image obtained by reading a sheet on which the code image is formed, is not smaller than a predetermined value. When it is not smaller than a predetermined value, a code image is reproduced from the extracted original information and the code image in the read image is replaced therewith. One example of the code image is a barcode.

Image processing for reproducing code image from original information

An information processing apparatus, connectable to an information forming system having plural devices corresponding to plural processing stages including at least a printing stage and a bookbinding stage. Function information indicating abilities regarding plural function items of the plural devices are held, and a user interface for function selection is provided by displaying options based on contents of the function items of plural devices corresponding to one processing stage in accordance with the held function information. Then, available devices are narrowed down based on the selection of the options, and a device to be used in the processing stage is determined.

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Tokyo, Japan

Yasuhiro Kozuka