CN101518038A - System and method for sharing credentials stored in a credentials module of a first device - Google Patents

System and method for sharing credentials stored in a credentials module of a first device Download PDF

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Publication number
CN101518038A
CN101518038A CNA2007800347161A CN200780034716A CN101518038A CN 101518038 A CN101518038 A CN 101518038A CN A2007800347161 A CNA2007800347161 A CN A2007800347161A CN 200780034716 A CN200780034716 A CN 200780034716A CN 101518038 A CN101518038 A CN 101518038A
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China
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equipment
interface
visit
module
user
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CNA2007800347161A
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Chinese (zh)
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M·泰歇
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Milsys Ltd
Western Digital Israel Ltd
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Milsys Ltd
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Abstract

A primary appliance, reversibly engageable with a secondary appliance for sharing credentials, including: a credentials module configured to enable the primary appliance to make/receive phone calls; and an interface with the secondary appliance, the interface including: a physical interface for physically reversibly engaging the primary appliance and the secondary appliance; and a conductive interface for enabling the secondary appliance to communicate with the module upon being physically engaged. A secondary appliance, reversibly engageable with a primary appliance having a credentials module enabling the primary appliance to make/receive phone calls, including: a service module configured to be enabled by the credentials module; and an interface, for the primary appliance, including: an interface for physically reversibly engaging the secondary appliance with the primary appliance; and a conductive interface for enabling communication of the secondary appliance with the credentials module upon the secondary appliance being physically engaged with the primary appliance.

Description

Share the system and method for the voucher in the credentials module that is stored in first device
Technical field
The present invention relates to be used for to share mobile phone, particularly use the system of user's voucher of the mobile phone of SIM (subscriber identity module) card.
Background technology
Mobile phone has become a part ubiquitous in the society.Mobile phone is owned by the user for the Outgoing Call and the paying that receives calls usually.In recent years, mobile phone has added a lot of supplementary services.Such business comprises additional communication options (for example, sending text message, access the Internet, reception broadcasting and connection computer).
Other are professional use communication channels visit teleaction service provider (for example, bank, trader and content supplier that music, video, bell sound and news for example are provided) and with its transaction.Also there are some business that are confined to mobile phone unit (for example, listen to the music, watch video, play games and Administrative Contact and schedule).Some professional short haul connections (for example, infrared ray, bluetooth or NFC (short-range communication)) that use come defrayment.
Many business of using mobile phone to obtain or consume all need to subscribe to and identification user and/or authority of a user.SIM card is the example standards module that comprises the data of the identity that is used for determining the user and right.Usually, SIM card is also carried other and user-dependent data (for example, contact person and schedule database and downloaded contents).Therefore, SIM card will be converted to personalized device with fexible unit by maintenance customer's voucher (for example, the data of identification user and/or authority of a user) and/or user's content that have and that be stored in the SIM card.
Fig. 1 is the simplified block diagram according to the typical mobile device of prior art.Fig. 1 shows mobile device 100 (for example intelligent mobile phone).Credentials module 110 (for example, SIM card) is identification user, his/her account and the module of user's other right to access that may have alternatively.Credentials module 110 also can be stored other personal data (for example, the text message of contacts list, schedule, internet collection, transmission/reception and by all contents of user).Credentials module 110 is connected with appliance services 140 interfaces with module interface 130 by equipment interface 120.Appliance services 140 expressions comprise the business module of the hardware and software parts of equipment 100, and the hardware and software parts of described equipment 100 provide voice or non-voice service.Equipment interface 120 operatively will need normally to be used for the appliance services 140 of suitable user's voucher to contact with the traditional electrical that credentials module 110 is connected with module interface 130.
Usually, mobile device can be connected to another device functional with expansion equipment.For example, mobile phone can be connected to automobile adapter to provide safer driving by the communication that need not hand; Mobile phone can be connected to the desk support so that better tonequality and earphone more easily to be provided; Mobile phone can be connected to personal computer and be used for synchronous contact person, schedule and file; Perhaps mobile phone can be connected to bluetooth earphone the mobile communication that need not hand is provided.
Fig. 2 is the simplified block diagram according to the typical mobile device that is connected to accessory of prior art.Mobile device 100 ' comprises the accessory interface 150 that is used for being operatively coupled to by equipment interface 162 accessory 160.Accessory 160 provides the improved or extra business by professional 164 expressions of accessory.Accessory interface 150 and equipment interface 162 are logic, electricity and/or physical interface (for example, socket-socket connection, support are connected with bluetooth), and it operationally is connected to accessory 160 with equipment 100 '.Current accessory is confined to use and is comprising the business relevant with SIM available on the equipment of SIM card, and it can be limited by the performance of equipment or feature.
The user of mobile device can often move to another equipment with SIM card from an equipment, thereby in personalization and when activating second equipment first equipment is lost one's individuality and make first equipment invalid.Fig. 3 A is the simplified block diagram according to two kinds of typical mobile devices of prior art.Fig. 3 A shows the appliance services 140A that provides similar or different and the first equipment 100A and the second equipment 100B of appliance services 140B.Module transfer-operation A is a manual procedure, and it allows user selection ground that credentials module 110 is inserted among the first equipment 100A or the second equipment 100B, thereby makes another equipment invalid in personalization optionally and when activating current device.By module transfer-operation A credentials module 110 is moved to the second equipment 100B from the first equipment 100A and be considered to inconvenient task.
Such as United States Patent (USP) the 6th by Carlsson, 868, the existing system of being instructed in No. 282 (below be called Carlsson ' 282), a plurality of methods have been instructed, be used for: first equipment reads user's voucher from the SIM card that resides at this equipment, and user's voucher is sent to second equipment that user's voucher therein is used to obtain mobile service, the full content of the document is incorporated herein by reference.Fig. 3 B is the simplified block diagram from two typical mobile devices of Fig. 3 reorganization of Carlsson ' 282.
Fig. 3 B shows two mobile devices (for example MS A and MS B) and how to communicate with one another with visit whichever SIM card (that is, SIM card A and SIM card B).Method by Carlsson ' 282 instruction is restricted, and this is because need be by the conciliation of the host CPU (CPU/MEM of Fig. 3 B) of MS A and/or MS B so that handle the secure exchange that is stored in the user's voucher among SIM card A and/or the SIM card B and need two equipment all to move so that make an equipment can use user's voucher of another equipment.
The user that first equipment that holds credentials module is carried in expectation operates second equipment by under the situation that needn't take out credentials module from first equipment credentials module of first equipment being coupled to second equipment.
Summary of the invention
The object of the present invention is to provide and be used for sharing mobile phone, particularly use the system of user's voucher of the mobile phone of SIM card.
For purpose clearly, term " equipment " is specially limited to being used to be expressed as the equipment of user's service in this use, and by user or other individual ownerships.Therefore, first equipment can be for example by the cellular handset that the user had, and second equipment can be for example by the automobile telephone that the user had, or the public telephone that can use of user.
The preferred embodiments of the present invention seek to provide a kind of system, be used for physically first equipment physically being engaged with second equipment, operationally second equipment is connected to the credentials module that resides in first equipment then, and needn't physically from first equipment, removes credentials module.
Therefore, according to the present invention, provide a kind of system of shared voucher first, this system comprises: (a) comprise the main equipment of credentials module, this main equipment operationally uses credentials module to call and receive calls; And (b) at least one secondary device, be configured to: (i) physically engage, thereby set up interface with configuration module with main equipment; And (ii) using credentials module to provide professional by interface.
Preferably, this interface conducts electricity.
Preferably, this interface is a short distance noncontact interface.
Most preferably, short distance noncontact interface uses at least a communication technology of selecting from the group that comprises ISO 14443 technology, NFC technology, Bluetooth technology, infrared technique and acoustics interfacing.
Preferably, described business comprises at least a business of selecting from following group, described group comprises enabled phone, send text message, user identity is provided, the identity of the subscription record in operator's database is provided, the data that allow described user capture house account are provided, the data that allow described user capture bank account are provided, visit to stored value card is provided, visit to described user's contact database is provided, provide described user's schedule access of database, the visit of the content that described user is had is provided, visit to the bell sound is provided, visit to music is provided, visit to video is provided, and provide DRM access code.
According to the present invention, a kind of main equipment is provided first, it can reversibly engage with secondary device and be used for sharing voucher, and this main equipment comprises: (a) credentials module is configured to make this main equipment to dial and to receive calls; And (b) and the interface of secondary device, this interface comprises: (i) physical interface can physically reversibly engage main equipment with secondary device; And (ii) conductive interface, secondary device can be communicated by letter with credentials module by physical engagement the time.
According to the present invention, a kind of secondary device is provided first, and it can reversibly engage with main equipment and be used for sharing voucher, and this main equipment has the credentials module that makes this main equipment dial and to receive calls, this secondary device comprises: (a) business module is configured to be enabled by credentials module; And the interface that (b) is used for main equipment, this interface comprises (i) physical interface, can physically reversibly secondary device be engaged with main equipment; And (ii) conductive interface, secondary device can be communicated by letter with credentials module during with the main equipment physical engagement at secondary device.
Preferably, business module comprises at least a business of selecting from following group, described group comprises enabled phone, send text message, user identity is provided, the identity of the subscription record in operator's database is provided, the data that allow described user capture house account are provided, the data that allow described user capture bank account are provided, visit to stored value card is provided, visit to described user's contact database is provided, provide described user's schedule access of database, the visit of the content that described user is had is provided, visit to the bell sound is provided, visit to music is provided, visit to video is provided, and provide DRM access code.
By following specific descriptions and example, these and other embodiment are conspicuous.
Description of drawings
Only by the mode of example, the present invention is described with reference to the drawings at this, in the accompanying drawing:
Fig. 1 is the simplified block diagram according to the typical mobile device of prior art;
Fig. 2 is the simplified block diagram according to the typical mobile device that is connected to accessory of prior art;
Fig. 3 A is the simplified block diagram according to two typical mobile devices of prior art;
Fig. 3 B is the simplified block diagram from two typical mobile devices of Carlsson ' 282 reorganizations of Fig. 3;
Fig. 4 is the simplified block diagram of two mobile devices according to a preferred embodiment of the invention;
Fig. 5 A is the simplified block diagram of the exemplary replacement of the connection B of realization Fig. 4 according to a preferred embodiment of the invention and C;
Fig. 5 B is the simplified block diagram of the exemplary replacement of the connection B of realization Fig. 4 according to another preferred embodiment of the invention and C;
Fig. 5 C is the simplified block diagram of exemplary replacement of the embodiment of Fig. 5 B according to a preferred embodiment of the invention;
Fig. 5 D is the simplified block diagram of exemplary replacement of the embodiment of Fig. 5 C according to a preferred embodiment of the invention;
Fig. 6 is the simplified flow chart of the operation of voucher shared system according to a preferred embodiment of the invention.
Embodiment
The present invention relates to be used for particularly using the system of the mobile phone sharing users voucher of SIM card at mobile phone.With reference to following description and accompanying drawing, can understand better according to the principle and the operation of sharing users voucher in mobile phone of the present invention.
With reference now to accompanying drawing,, Fig. 4 is the simplified block diagram of two mobile devices according to a preferred embodiment of the invention.The first equipment 200A (for example, cell phone) physically engages with the second equipment 200B.Use the body of statement " physical engagement " the expression first equipment 200A to be inserted in the body of the second equipment 200B or be mechanically connected to the body of the second equipment 200B at this, thereby the first equipment 200A and the second equipment 200B are temporarily as a single integrated unit.For example, the first equipment 200A can be inserted into the slot of the second equipment 200B or insert the support that forms the part second equipment 200B or be connected to the second equipment 200B.
The user's voucher that is stored in the credentials module 210 comprises, for example: specific to user's data (for example, the identity of user's identity and the subscription in operator's database record); Allow the data of user capture house account or bank account; " stored value card "; User's contact person and calendar database; The content that the user had (for example, bell sound, music and the video of download); And under Digital Right Management (DRM) mechanism the required code of content of access numerical protection.
Credentials module 210 is safety chip (for example SIM card) preferably, and it protects content by the physical structure and the numerical ciphers art that prevent to distort.The operation that credentials module 210 uses existing known technology to come enabled devices 200A.By providing identity, code and operating parameter to come the operation of enabled devices 200A.Credentials module 210 can comprise the microprocessor that is used to carry out Password Operations (for example, encipherment scheme, challenge-response program, digital signature and password production process).
Credentials module 210 is operably connected to appliance services 240A by equipment interface 220 and module interface 230A.Aforesaid, equipment interface 220 comprises with module interface 230A: mechanical, electricly be connected with logic.Equipment interface 220 and module interface 230A can be for example respectively based on being defined in ISO 7816 substandard card and card reader interfaces.The first equipment 200A comprises and is used to provide the appliance services 240A hardware and software of (for example, being used for enabled phone, text message, storage and multimedia business module).At least some appliance services 240A need visit and use the user's voucher in the credentials module 210.
In a similar fashion, the second equipment 200B comprises credentials module 210 ', equipment interface 220 ', module interface 230B and appliance services 240B.Appliance services 240B can be similar to and/or be different from appliance services 240A.For example, the second equipment 200B can be the high-power automobile telephone that does not need hand, and it is integrated with the digital radio receiver that is used for based on the broadcasting of subscribing to.In such example, appliance services 240B comprises the hardware and software that is used for cell phone and digital radio receiver, and cell phone and digital radio receiver all need the existence of credentials module 210 ' to be used for operation.
According to a preferred embodiment of the invention, the first equipment 200A can physically engage with the second equipment 200B, makes appliance services 240B can use the credentials module 210 of the first equipment 200A.Physical engagement can be by module interface 230B via connecting B to equipment interface 220 or via connecting C directly being connected to form to module interface 230A.This will more specifically describe with reference to figure 5A-D below.Therefore, when the first equipment 200A physically engaged with the second equipment 200B, the second equipment 200B used the credentials module 210 of the first equipment 200A to operate.
Compare with the prior art of Fig. 3 A, when the second equipment 220B used credentials module 210, the first equipment 200A preferably was closed (promptly not moving).Therefore, between the second equipment 200B and credentials module 210, connect, and between the second equipment 220B and the first equipment 200A, do not connect.
In with respect to the first equipment 220A and the described operator scheme of the second equipment 200B, the second equipment 200B uses the user's voucher from the credentials module 210 of the first equipment 200A, this does not get rid of the traditional mode (that is the module transfer-operation A of Fig. 3 A) of prior art not inevitablely with respect to the first equipment 220A and the described operator scheme of the second equipment 200B.In the operator scheme of such prior art, credentials module 210 ' removes from the first equipment 200A, and inserts among the second equipment 200B, rather than the first equipment 200A is connected to the second equipment 200B.
Fig. 5 A is the simplified block diagram of exemplary replacement that is used to realize the connection B of Fig. 4 and C according to a preferred embodiment of the invention.In Fig. 5 A, credentials module 210 ' comprises the chip/body 210C that is clipped between contact-making surface 220C and the following contact-making surface 220C '.As shown in Figure 4, such structure makes it possible to pass through to the connection C access of credentials module 210 ' of operation module interface 230A, that be used for the first equipment 200A, or passes through to the connection B access of credentials module 210 ' of operation module interface 230B, that be used for the second equipment 200B.The body of the first equipment 200A and the second equipment 200B is configured to allow when the first equipment 200A engages with the second equipment 200B physics between contact surface 220C ' and the module interface 230B to contact.
Fig. 5 B is the simplified block diagram of exemplary replacement that is used to realize the connection B of Fig. 4 and C according to another preferred embodiment of the invention.In Fig. 5 B, credentials module 210 " only have a single contact surface 220C that is used for chip/body 210C ".Contact surface 220C " physically be connected to the first module interface 230A ', make it possible to utilize appliance services 240A access of credentials module 210 ".The first module interface 230A ' is electrically connected to the second module interface 230A "; it is configured to when with the first equipment 200A ' physical engagement; be connected with the module interface 230B interface of the second equipment 200B, makes appliance services 240B can pass through contact surface 220C thus ", the first module interface 230A ', the second module interface 230A " and module interface 230B access of credentials module 210 ".
Fig. 5 C is the simplified block diagram of the exemplary replacement of Fig. 5 B according to a preferred embodiment of the invention.In Fig. 5 C, two-sided module interface 230A ' " with the first equipment 200A " credentials module 210 " be connected to appliance services 240A and appliance services 240B (by with the contacting of module interface 230B).
Fig. 5 D is the simplified block diagram of the exemplary replacement of Fig. 5 C according to a preferred embodiment of the invention.In Fig. 5 D, module interface 230A " " and module interface 230B ' " with the first equipment 200A ' " credentials module 210 " be connected to the second equipment 200B ' " and the time adopt contactless communication mechanism.Because at credentials module 210 " and the second equipment 200B " between the data volume that exchanges very little usually, and because the first equipment 200A ' " and the second equipment 200B ' " all by independently power supply is self-powered, therefore contactless communication mechanism can be used any known wireless communication technology (for example, ISO 14443, NFC, bluetooth, infrared and acoustic interface).
Fig. 6 is the simplified flow chart of the operation of voucher shared system according to a preferred embodiment of the invention.The parts of Fig. 4 (and reference number) are included in the description for clearer description.The first equipment 200A that holds credentials module 210 is used to the required user's voucher (step 400) of accessing operation.The operation of the first equipment 200A is terminated (step 410) then.The first equipment 200A and the second equipment 200B physical engagement (for example, by the first equipment 200A is inserted in the slot or support of the second equipment 200B) (step 420) then.
As the embodiment in Fig. 5 A, the first equipment 200A and the physical connection (step 420) of the second equipment 200B have been set up direct contact (step 430) between the credentials module 210 and the second equipment 200B.Replacedly, as the embodiment in Fig. 5 B-D, the module interface 230A of the physical connection (step 420) of the first equipment 200A and the second equipment 200B by the first equipment 200A set up the indirect contact (step 440) between the credentials module 210 and the second equipment 200B.Step 430 and 440 all makes the second equipment 200B communicate by letter with credentials module 210 (residing among the first equipment 200A), with the required user's voucher (step 460) of the operation that receives the second equipment 200B.
Should note, communication between the second equipment 200B and the credentials module 210 is preferably by using standard device/credentials module agreement to realize, and preferably obtains to realize under the situation of the participation of any processor that does not need to form the part first identification 200A or communication function or conciliation.Should be appreciated that, can be identical or different from user's voucher of credentials module 210 visits in step 400 with user's voucher of step 460, from credentials module 210, visiting by the second equipment 200B by the first equipment 200A.(being step 400 and step 460) in both cases, these user's vouchers can be in response to the specific operation (for example, call, listen to digital radio broadcasting and start e-bank's transaction) of user's selection.
Should be appreciated that, although the first equipment 200A that holds credentials module 210 is mobile device (being preferably cell phone) normally, but the second equipment 200B moves or fixture (for example, another cell phone, automobile telephone machine, desktop accessory and personal computer).What further emphasize is that the second equipment 200B can comprise independently credentials module (that is, credentials module 210 '), and/or is configured to admit this credentials module 210 in credentials module 210 backs that remove the first equipment 200A from the first equipment 200A.
Although the embodiment to limited quantity is described, should be appreciated that and to carry out various change of the present invention, modification and other application.

Claims (13)

1. system that is used for sharing voucher, described system comprises:
(a) main equipment comprises credentials module, and described main equipment uses described credentials module operatively to dial and receive calls; And
(b) at least one secondary device is configured to:
(i) physically engage with described main equipment, thus the interface of foundation and described credentials module; And
(ii) use described credentials module to provide professional by described interface.
2. system according to claim 1, wherein said interface conducts electricity.
3. system according to claim 1, wherein said interface is a short distance noncontact interface.
4. system according to claim 3, wherein said short distance noncontact interface uses at least a communication technology of selecting from the group that comprises ISO 14443 technology, NFC technology, Bluetooth technology, infrared technique and acoustics interfacing.
5. system according to claim 1, wherein said business comprises at least a business of selecting from following group, described group comprises enabled phone, send text message, user identity is provided, the identity of the subscription record in operator's database is provided, the data that allow described user capture house account are provided, the data that allow described user capture bank account are provided, visit to stored value card is provided, visit to described user's contact database is provided, provide described user's schedule access of database, the visit of the content that described user is had is provided, visit to the bell sound is provided, visit to music is provided, visit to video is provided, and provide DRM access code.
6. a main equipment can reversibly engage with secondary device, is used for sharing voucher, and described main equipment comprises:
(a) credentials module is configured to make described main equipment to dial and to receive calls; And
(b) to the interface of described secondary device, described interface comprises:
(i) physical interface is used for physically reversibly engaging described main equipment and described secondary device; And
(ii) conductive interface operatively makes described secondary device communicate by letter with described credentials module by physical engagement the time.
7. a secondary device that is used for sharing voucher can reversibly engage with main equipment, and described main equipment has the credentials module that makes described main equipment dial and to receive calls, and described secondary device comprises:
(a) business module is configured to be enabled by described credentials module; And
(b) be used for the interface of described main equipment, described interface comprises:
(i) physical interface is used for physically reversibly described secondary device being engaged with described main equipment; And
(ii) conductive interface operatively makes described secondary device can communicate by letter with described credentials module during with described main equipment physical engagement at described secondary device.
8. secondary device according to claim 7, wherein said business module comprises at least a business of selecting from following group, described group comprises enabled phone, send text message, user identity is provided, the identity of the subscription record in operator's database is provided, the data that allow described user capture house account are provided, the data that allow described user capture bank account are provided, visit to stored value card is provided, visit to described user's contact database is provided, provide described user's schedule access of database, the visit of the content that described user is had is provided, visit to the bell sound is provided, visit to music is provided, visit to video is provided, and provide DRM access code.
9. method of between first equipment and second equipment, sharing voucher, wherein said first equipment has credentials module, said method comprising the steps of:
(a) optionally operate described first equipment and be used for communicating by letter, thereby make it possible to dial and receive calls with described credentials module;
(b) physically with described first equipment and described second device engagement, thereby described second equipment is connected with described credentials module interface, is used to enable the business of described second equipment.
10. method according to claim 9, wherein said interface connect and comprise that joint electrically contacts.
11. connecting, method according to claim 9, wherein said interface comprise use short distance noncontact interface.
12. method according to claim 11, wherein said short distance noncontact interface uses at least a communication technology of selecting from the group that comprises ISO 14443 technology, NFC technology, Bluetooth technology, infrared technique and acoustics interfacing.
13. method according to claim 9, wherein said business comprises at least a business of selecting from following group, described group comprises enabled phone, send text message, user identity is provided, the identity of the subscription record in operator's database is provided, the data that allow described user capture house account are provided, the data that allow described user capture bank account are provided, visit to stored value card is provided, visit to described user's contact database is provided, provide described user's schedule access of database, the visit of the content that described user is had is provided, visit to the bell sound is provided, visit to music is provided, visit to video is provided, and provide DRM access code.
CNA2007800347161A 2006-08-14 2007-08-12 System and method for sharing credentials stored in a credentials module of a first device Pending CN101518038A (en)

Applications Claiming Priority (4)

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US82225006P 2006-08-14 2006-08-14
US60/822,250 2006-08-14
US11/768,910 2007-06-27
US11/768,909 2007-06-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102609635A (en) * 2010-10-14 2012-07-25 佳能株式会社 Information processing apparatus and control method
CN105474600A (en) * 2013-03-15 2016-04-06 谷歌技术控股有限责任公司 Accessing a cloud-based service using a communication device linked to another communication device storing the required password
WO2019137362A1 (en) * 2018-01-12 2019-07-18 阿里巴巴集团控股有限公司 Electronic certificate transmission method, apparatus and device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102609635A (en) * 2010-10-14 2012-07-25 佳能株式会社 Information processing apparatus and control method
CN102609635B (en) * 2010-10-14 2015-01-07 佳能株式会社 Information processing apparatus and control method
US9064105B2 (en) 2010-10-14 2015-06-23 Canon Kabushiki Kaisha Information processing apparatus, control method therefor, and program
CN105474600A (en) * 2013-03-15 2016-04-06 谷歌技术控股有限责任公司 Accessing a cloud-based service using a communication device linked to another communication device storing the required password
US10284493B2 (en) 2013-03-15 2019-05-07 Google Technology Holdings LLC Accessing a cloud-based service using a communication device linked to another communication device via a peer-to-peer ad hoc communication link
US10623332B2 (en) 2013-03-15 2020-04-14 Google Technology Holdings LLC Accessing a cloud-based service using a communication device linked to another communication device via a peer-to-peer ad hoc communication link
CN105474600B (en) * 2013-03-15 2020-06-30 谷歌技术控股有限责任公司 Method, communication apparatus, and storage medium for accessing cloud-based service
WO2019137362A1 (en) * 2018-01-12 2019-07-18 阿里巴巴集团控股有限公司 Electronic certificate transmission method, apparatus and device

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Open date: 20090826