Canon Kabushiki Kaisha

Hiroshi Yamano

Tetsuya Morita

Masahiko Sakai

Masahiko Murata

Yukio Inagi, Isaka

Haruo Ishizuka

Tsutomu Kubota

Masato Ochiai

A power supply apparatus that wirelessly supplies power includes a detection unit configured to detect a power receiving apparatus, a receiving unit configured to receive, from the power receiving apparatus detected by the detection unit, identification information identifying the power receiving apparatus, a power-supply control unit configured to compare the identification information received by the receiving unit with identification information stored in a storage unit and identifying an allowed device for which power supply is allowed, thereby allowing power supply to the power receiving apparatus when both identification information match each other, and a power supply unit configured to perform the power supply to the power receiving apparatus for which the power supply is allowed by the power-supply control unit.

Power supply apparatus, power supply method, and storage medium

An image forming apparatus communicates with a plurality of data processing apparatuses via a plurality of interfaces. The image forming apparatus includes a determination unit configured to determine a communication state with the plurality of interfaces, and a control unit configured to perform control to switch between a first sleep mode in which power supplied to any one of the plurality of interfaces is turned off and a second sleep mode in which power supplied to the plurality of interfaces is repeatedly turned on and off at predetermined time intervals according to the communication state determined by the determination unit.

Image forming apparatus, information processing apparatus, control method for image forming apparatus, and storage medium

An information processing apparatus which is capable of printing a file attached to an e-mail using an existing printing apparatus. An electronic mail with a file attached thereto is received. With respect to each of printing apparatuses, a printer driver used in the printing apparatus and an identifier that identifies the printing apparatus are stored in association with each other in a storage unit. Based on the stored information, a printer driver corresponding to an identifier that identifies a printing apparatus entered in the received electronic mail is identified as a printer driver to be used. Print data is generated from the file attached to the received electronic mail using the identified printer driver. The generated print data is sent to the identified printing apparatus.

Information processing apparatus capable of printing file attached to electronic mail, control method therefor, and storage medium

A communication monitoring apparatus that is capable of preventing determination of communication error due to communication shutdown accompanying the communication speed change so as not to inspire a user with unnecessary uneasiness. The communication monitoring apparatus monitors a connecting condition of communication between a terminal that can change a communication speed and a host apparatus through a network. A check unit periodically checks whether the connecting condition of communication between the terminal and the host apparatus through the network is normal or abnormal at first set time, and determines that a communication error occurs when the checked result shows abnormal connecting condition. A control unit detects a communication speed change in the terminal, and stops the check by the check unit before the communication speed change concerned.

Communication monitoring apparatus, communication monitoring method, and storage medium storing communication monitoring program

An image forming system capable of determining whether a detected communication speed reaches a communication speed needed for printing the received printing data successfully according to printing ability of an image forming apparatus. A detection unit detects a communication speed of wireless communication executed between the image forming apparatus and an information processing apparatus. An obtainment unit obtains a communication speed needed so that the image forming apparatus successfully prints the print data that is received by using wireless communication according to a printing ability of the image forming apparatus. A determination unit determines whether the communication speed detected by the detection unit reaches the communication speed obtained by the obtainment unit or not. A notification unit notifies a user that the detected communication speed is insufficient when the determination unit determines that the communication speed detected by the detection unit does not reach the communication speed obtained by the obtainment unit.

Image forming system, image forming apparatus, control method for image forming apparatus, information processing apparatus, control method for information processing apparatus, and storage medium storing control program thereof, that determine whether detected wireless communication speed is sufficient for successful printing

This invention simultaneously satisfies both power saving of a printing apparatus in a network system and the convenience of the operator who wants to print from a host computer. A printing control apparatus includes a processor which performs an image process for print data externally received via a network, a first interface including a monitoring unit which monitors, from external, reception of data with one of a plurality of types of patterns including a pattern containing communication information addressed to an unspecified apparatus and an identifier used for power control, and a communication controller which transfers externally transmitted data to the processor, and a power controller which powers on the processor when data with the pattern is received via the first interface.

Network printer having plural sleep modes

There is disclosed a data processing apparatus capable of providing a desired output print regardless of the size of print data by modifying the density of the print. For this purpose there is provided a processing unit for determining the print density based on data associated with the printing medium used in a printing unit.

Data processing apparatus

Printing is performed with the higher one of the two resolutions designated for text data and image data if these resolutions are different from each other. If in this case the resolution designated for the text data is changed, character patterns based the an optimum number of constituent dots are selected for printing of characters of the designated size in accordance with the text data. If the resolution of the image data is changed, the image data is interpolated.

Growing community of inventors

Kawasaki, Japan

Hiroshi Yamano