EP1110362A1 - Voice/data/image communication system and terminal and central service forming part of said system - Google Patents
Voice/data/image communication system and terminal and central service forming part of said systemInfo
- Publication number
- EP1110362A1 EP1110362A1 EP99940276A EP99940276A EP1110362A1 EP 1110362 A1 EP1110362 A1 EP 1110362A1 EP 99940276 A EP99940276 A EP 99940276A EP 99940276 A EP99940276 A EP 99940276A EP 1110362 A1 EP1110362 A1 EP 1110362A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- terminal
- terminals
- server center
- data
- server
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/08—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter
Definitions
- the present invention relates to a voice / data / image communication system, as well as to a terminal and a server center forming part of such a system.
- the present invention aims to meet the needs and remedy the aforementioned drawbacks.
- the present invention provides a voice / data / image communication system, comprising server centers connected to an entirely digital network operating in connected mode, and remote terminals connected to said network by digital links of bit rate less than 150 kbit.
- At least one host center comprises: means for transmitting to the signal terminals representing fixed or animated images in a form produced by an image compression algorithm, and means for transmitting / receiving data to the terminals, and in which each terminal comprises: telephony means allowing telephone communications with other terminals and / or with stations connected to a switched telephone network, image decompression means directly processing the signals representing fixed or animated images as emitted by the center server, means for receiving data transmitted by the server center, a screen for displaying decompressed images and / or data received from the server center, a numeric keyboard, a member for moving a cursor displayed on the screen, means for transmitting to the server center data entered using the alphanumeric keyboard and / or the cursor movement member, the images processed by the terminals being only those received from the server centers and supplied to said image decompression means.
- the present invention provides access to a considerable amount of information, be it images, sounds or data, and this via a low cost terminal and a great ease of use, which makes it accessible to most of the population.
- At least some of the terminals include a media player.
- remote payment means of local authentication of the remote payment medium introduced into the reader, and an interface between the reader and the means of transmitting and receiving data making it possible to carry out transactions via the network within the framework of services hosted by server centers.
- the cursor movement member of each terminal generates, when it is actuated by a user, movement commands sent in the form of data to a server center, which server center then returns to the terminal an image in which the cursor has been moved.
- each terminal can also comprise a serial connector, for example of the RS 232 type or of the U.S.B. type. as required, for connection with one or more peripheral units.
- a serial connector for example of the RS 232 type or of the U.S.B. type. as required, for connection with one or more peripheral units.
- each terminal may further include means for indicating a "secret” mode, such as a light-emitting diode, which signal that the DTMF frequency emission, when keystrokes, is inhibited.
- a "secret" mode such as a light-emitting diode, which signal that the DTMF frequency emission, when keystrokes, is inhibited.
- the present invention also relates to a terminal and to a server center forming part of a communication system of the above type.
- - Figure 1 is a schematic representation of the entire communication system of the invention
- - Figure 2 is a schematic representation of a server center forming part of a communication system according to the invention
- FIG. 3 is a block diagram illustrating the different functional blocks of a terminal forming part of a communication system according to the invention
- FIG. 4 is a schematic representation, in the closed position, of a terminal forming part of a communication system according to the invention; and - " Figure 5 shows the terminal of Figure 4 in the position of use.
- a server center S comprises a module 10 containing an image coder and a sound coder, which implement a compression algorithm, for example according to the MPEG 4 standard.
- the images can be encoded with a bit rate of 100 kbit / s and sounds can be encoded with a bit rate of 24 kbit / s.
- the server S also comprises a center module 12 transmit / receive data to exchange with the terminals' data relating to the various services that the host or hosts which are in other remote hosts.
- the modules 10 and 12 are connected to a multiplexer 11.
- the terminal equipment comprising the modules 10 and 12 and the multiplexer 11 can for example be in accordance with ITU-T Recommendation H.320 or H.323.
- each terminal is provided with a minimum of functions, which gives it, as indicated above, great ease of use and low cost.
- the software, including the protocol manager, with which it is equipped is reduced to a minimum, so that the terminal can be kept independently of the evolution of software which is useful for the continuous adaptation of services. It is at the level of the S servers that these evolutions are to be taken into consideration. But this is the responsibility of the service providers and not the users.
- FIG. 3 illustrates in the form of blocks the different functional entities of a type T terminal
- FIGS. 4 and 5 give a nonlimiting example of the general appearance of such a terminal.
- the terminal has the general external appearance and the dimensions of a simple modern telephone set with a screen, as is familiar to traditional users of the telephone.
- the terminal T firstly comprises a telephone handset 14, conventionally including a microphone and a loudspeaker, as well as a keyboard with twelve keys 23 numbered from 0 to 9, * and #.
- Terminal T is able to establish, via ISDN, telephone communications with other terminals of the same type and / or with conventional telephone sets connected to the analog PSTN (Switched Telephone Network).
- PSTN Switchched Telephone Network
- the terminal can include a programmable memory for storing telephone numbers.
- the terminal T also comprises an image decompression module 16, which receives images from a server center S in compressed form and applies to them a decompression algorithm, possibly stored in a programmable memory of the EEPROM type for example.
- the module 16 can be designed so as to be able to decompress at least 10 images per second.
- the images processed by the terminal T are only those received from server centers S and supplied to the image decompression module 16. Terminal T does no image processing other than simple decompression.
- the terminal T comprises a code 17 which performs the dual operations of the audio coder of the server center, and which delivers the decoded audio signal to the receiver of the handset 14 or to a high -speaker with which the terminal may be fitted.
- the terminal T further comprises a module 18 for receiving data transmitted by a server center S.
- the modules 16 and 18 are connected to a display screen " 20, which makes it possible to display decompressed images and / or data received from a server center S, as well as the telephone numbers dialed and, where appropriate, the numbers
- the screen 20 can be made up of a color liquid crystal display device, either of the passive matrix type DSTN, or of the active matrix type TFT. a resolution of the order of 640 ⁇ 480 pixels, for a diagonal of 14 to 18 cm.
- the screen can be adjustable, in order to improve readability depending on the position of the user.
- the screen 20 can: be a touch screen, in order to allow the user to make choices in menus directly on the screen.
- the keys 23 mentioned above, intended for dialing telephone numbers, can either form an independent numeric keypad, as illustrated by FIGS. 4 and 5, or be integrated into an alphanumeric keyboard 22 also making it possible to enter character strings.
- the keyboard 22 is used for entering data by the user, which are sent to the servers S to which the terminal is connected for the implementation of the services.
- the keyboard 22 can also be useful in the context of consulting accessible websites, not directly from the terminal, but through the server centers.
- the keyboard may for example be of the extra-flat type, and be arranged retractably at the base of the terminal, for reasons of space and aesthetics.
- the keyboard 22 can also include keys dedicated to a Minitel application, if one chooses to provide the terminal T with this function.
- the terminal T is further provided with a member 24 for moving a cursor 26 displayed on the screen 20.
- the member 24 for moving can consist of a single navigation key, as shown in FIGS. 4 and 5, allowing to control a horizontal movement to the left or to the right or a vertical movement up or down.
- the member 24 for moving the cursor 26 in order to minimize the processing carried out by the terminal, the member 24 for moving the cursor 26 generates, upon actuation by the user, control signals which are sent to the server center S. The latter returns then at the terminal an image in which the cursor 26 has been moved in accordance with the control signals.
- the terminal includes a module 28 for transmitting DTMF data or frequencies to the server center S.
- the module 28 transmits the control signals from the member 24 to the server center S and also transmits the data entered using of the alphanumeric keyboard 22.
- the terminal T also makes it possible to carry out remote payment operations, that is to say transactions, via the network R, within the framework of hosted services. by S servers, using a smart card or track card type electronic payment medium magnetic.
- a smart card or track card type electronic payment medium magnetic is shown in FIG. 5.
- the terminal T comprises a remote payment module 30, consisting of a remote payment support reader 32, a module 34 for local authentication of the remote payment support, and a interface 36 between the reader 32 and the modules 18 and 28 for transmitting and receiving data.
- the terminal T comprises a module 38 for indicating a “secret” mode, which signals that the emission of voice frequencies is inhibited when the user dials his confidential code on the keyboard 23.
- the “secret” mode can for example be activated just before the composition of the secret code, the card being in the reader 32.
- the module 38 can for example comprise an indicator light 35 such as a light-emitting diode, which lights up just before the composition of the secret code requested by the host center which transmits the order, to signal that e the emission of voice frequencies is inhibited.
- the authentication of the card is carried out locally, by verification of the confidential code entered, according to a conventional process, by the module 34.
- the module 34 can for example implement a cryptographic algorithm of the RSA (Rivest Shamir Adleman) type.
- the actual transaction can be carried out, for example, according to the C-SET protocol of secure electronic payment transaction by chip card (in English "Chip Secure Electronic Transaction"), and according to the architecture defined by the Groupement des Cartes Bancaires.
- the user is guided by the server center, by online voice assistance and / or display.
- data calculated in the card and encrypted for example by means of the DES cryptographic algorithm (in English "Data Encryption Standard"), are transmitted to the server center, which is unable to decrypt them and transmits them , in accordance with the C-SET protocol, to a remote Electronic Payment Manager.
- the latter possibly generates an authorization request on the Bank Card network, and returns a response, positive or negative, on the transaction, to the server center, which in turn informs the user of the acceptance or rejection of this transaction.
- the transaction ends with the display, by the server center, on the screen 20 of the terminal T, of a payment receipt, on which various information relating to the transaction carried out, such as date, amount, name of the card used and contact details of the merchant.
- a printer (not shown in FIG. 2), as well as any other peripheral units, can be connected to the terminal T via a serial connector 40 included in the terminal, for example of the RS 232 or USB type, as required. The printer can then print the payment receipt.
- peripheral units such as an additional memory for storing films or television programs, or else a microcomputer, or even a camera, for the purpose of a videoconference application, can be provided.
- the modules 16, 17, 18, 28, 34, 36 illustrated in a synoptic manner in FIG. 3 can be software modules executed by a processor included in the terminal. The exchanges between the different functional modules and the peripheral units, including the interface with the S0 link which connects the terminal to the ISDN, can then take place via the bus of this processor.
- the processor can in particular be part of a microcontroller 37 associated with a memory of at least 512 kilobytes.
- the microcontroller 37 manages the various application functions API (“Application Programming Interface”) for the exchange of data, images or sounds by the modules 16, 17, 18, 28, 40 illustrated in a synoptic manner in FIG. 3, as well that the interactions between the various modules of the terminal (screen, keyboards, card reader, serial connector, sound coded, image decompressor.
- the microcontroller 37 and the rest of the terminal are supplied, for example, with DC 5 V by a transformer 39 connected to the sector.
- the server center By dialing the telephone number of an automobile manufacturer, the user is put in contact with the server center which manages this service.
- the host center transmits to the terminal a digital file containing images and sound. This file is decoded by the terminal as and when it is received.
- the images are displayed on the screen 20 and the sound is reproduced by the earpiece or the loudspeaker of the telephone handset, the set of images and sound constituting an interactive video clip, which integrates menus with possibility for the user to choose from several options. For example, different models of cars appear on the screen and the user is asked to choose from 5 models the one of which he wishes a more complete description.
- the dialogue between the user and the service consulted is carried out by means of the keys on the numerical keyboard 23 and / or the navigation key 2.4 ′.
- the user hits one of the keys 1 to 5 on the keyboard.
- the scenario provided in the service of the car manufacturer can also provide a list of dealers located near the user. When the latter has made a choice from among these dealers, the server center, by means of line switching, puts the user directly in telephone contact with the chosen dealer.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9811097 | 1998-09-04 | ||
FR9811097A FR2783122B1 (en) | 1998-09-04 | 1998-09-04 | VOICE / DATA / IMAGE COMMUNICATION SYSTEM AND TERMINAL AND SERVER CENTER BEING PART OF SUCH A SYSTEM |
PCT/FR1999/002090 WO2000014939A1 (en) | 1998-09-04 | 1999-09-02 | Voice/data/image communication system and terminal and central service forming part of said system |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1110362A1 true EP1110362A1 (en) | 2001-06-27 |
Family
ID=9530146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99940276A Withdrawn EP1110362A1 (en) | 1998-09-04 | 1999-09-02 | Voice/data/image communication system and terminal and central service forming part of said system |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1110362A1 (en) |
AU (1) | AU5427999A (en) |
FR (1) | FR2783122B1 (en) |
WO (1) | WO2000014939A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITRM20020352A1 (en) * | 2002-06-28 | 2003-12-29 | Impaccio Alberto | VIRTUAL COUNTER FOR THE DEVELOPMENT OF BUREAUCRATIC PRACTICES VIA TELEMATICS. |
FR2878989B1 (en) * | 2004-12-03 | 2007-01-26 | Thales Sa | PDA TYPE TOUCH SLAB TERMINAL FOR PERFORMING ELECTRONIC TRANSACTIONS |
US10270755B2 (en) | 2011-10-03 | 2019-04-23 | Verisign, Inc. | Authenticated name resolution |
US10791085B2 (en) | 2015-11-12 | 2020-09-29 | Verisign, Inc. | Techniques for directing a domain name service (DNS) resolution process |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0720412A2 (en) * | 1994-12-27 | 1996-07-03 | AT&T Corp. | Telelcommunication kiosk network architecture |
GB2305745A (en) * | 1995-09-27 | 1997-04-16 | Darren Wayne Jones | Dedicated internet access device |
US5724355A (en) * | 1995-10-24 | 1998-03-03 | At&T Corp | Network access to internet and stored multimedia services from a terminal supporting the H.320 protocol |
-
1998
- 1998-09-04 FR FR9811097A patent/FR2783122B1/en not_active Expired - Fee Related
-
1999
- 1999-09-02 EP EP99940276A patent/EP1110362A1/en not_active Withdrawn
- 1999-09-02 AU AU54279/99A patent/AU5427999A/en not_active Abandoned
- 1999-09-02 WO PCT/FR1999/002090 patent/WO2000014939A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO0014939A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU5427999A (en) | 2000-03-27 |
FR2783122A1 (en) | 2000-03-10 |
WO2000014939A1 (en) | 2000-03-16 |
FR2783122B1 (en) | 2000-11-10 |
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