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Communication apparatus, control method therefor, and storage medium

a communication apparatus and control method technology, applied in the field of communication apparatus, a control method therefor, and a storage medium, can solve problems such as confusion of users

Inactive Publication Date: 2018-08-23
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent aims to solve the problem of not being able to easily notify users of a desired service providing device when it has a wireless LAN access point function. The invention provides a solution to make this process more convenient for users.

Problems solved by technology

As a result, digital camera A receives a search response from each of printer A, printer B, and digital camera B. Even though the user of digital camera A intends to connect to printer A whose wireless LAN access point function is operating, it also becomes possible to connect to unnecessary digital camera B and printer B, thereby confusing the user.

Method used

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  • Communication apparatus, control method therefor, and storage medium
  • Communication apparatus, control method therefor, and storage medium
  • Communication apparatus, control method therefor, and storage medium

Examples

Experimental program
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first embodiment

[0022]A communication apparatus according to this embodiment will be described in detail below with reference to the accompanying drawings. Although a case in which a wireless LAN system complying with the IEEE802.11 standard series is used will be explained below, a communication mode is not necessarily limited to a wireless LAN complying with the IEEE802.11 standard, and any communication mode may be used.

[0023]FIG. 1 is a block diagram showing an example of the arrangement of a communication apparatus 101 according to this embodiment. A control unit 102 controls the overall apparatus by executing control programs stored in a storage unit 103. The control unit 102 also controls setting of communication parameters with another apparatus. The storage unit 103 stores control programs executed by the control unit 102, and various kinds of information such as communication parameters. Various operations (to be described later) are performed when the control unit 102 executes the contro...

second embodiment

[0038]In the first embodiment, a case in which when the communication apparatus 101 which operates the access point function inhibits a service search request signal from being transferred, a communication apparatus operating as a client which desires a service can quickly specify a desired partner has been explained. In this embodiment, a case in which a communication apparatus 101 which operates an access point function prohibits a service search response signal from being transferred will be described. The difference from the first embodiment will be explained below.

[0039]FIG. 8 is a sequence chart showing an operation sequence between digital camera A, digital camera B, printer A, and printer B on the network shown in FIG. 3. Printer A performs an operation characteristic to this embodiment. Each of digital camera A, digital camera B, and printer B is operating its wireless LAN client function, and printer A is operating its wireless LAN access point function. Note that printer ...

third embodiment

[0047]In the first and second embodiments, a case in which easy print service search processing is implemented under the control of the printer has been explained. In this embodiment, a case in which service search response signals are filtered under the control of a digital camera will be described. The difference from the first and second embodiments will be explained below.

[0048]FIG. 10 is a sequence chart showing an operation sequence between digital camera A, digital camera B, printer A, and printer B on the network shown in FIG. 3. Digital camera A performs an operation characteristic to this embodiment. Each of digital camera A, digital camera B, and printer B is operating its wireless LAN client function, and printer A is operating its wireless LAN access point function.

[0049]Digital camera A and printer A perform and complete wireless LAN connection (F1001). A storage unit 103 of digital camera A stores identification information (for example, a MAC address) of printer A as...

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Abstract

A communication apparatus operating as an access point on a network receives a signal transmitted by a communication apparatus on the network, transfers the signal to another communication apparatus on the network, and transmits, in response to a request signal, a response signal containing function information of the communication apparatus operating as the access point to a transmission source communication apparatus of the request signal on the network, which has transmitted the request signal. The communication apparatus controls transfer so that the transmission source communication apparatus of the request signal receives no response signal from a communication apparatus other than the communication apparatus operating as the access point on the network.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]This application is a continuation of U.S. patent application Ser. No. 14 / 297,303, filed Jun. 5, 2014, which claims priority to Japanese Patent Application No. 2013-124173, filed Jun. 12, 2013, both of which are herein incorporated by reference.BACKGROUND OF THE INVENTIONField of the Invention[0002]The present invention relates to a communication apparatus, a control method therefor, and a storage medium.Description of the Related Art[0003]In recent years, cases each using an electronic device such as a digital camera incorporating a wireless LAN client function by connecting it to another device are increasing. For example, Japanese Patent Laid-Open No. 2011-35768 discloses a method of facilitating sharing images with another digital camera by incorporating a wireless LAN function in a digital camera. Furthermore, to directly connect devices with each other, electronic devices often incorporate a wireless LAN access point function. When a...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04L29/08
CPCH04L67/16H04W4/80H04W4/20H04L67/51
Inventor GOTO, FUMIHIDE
Owner CANON KK
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