EP1120752A1 - Système pour le contrôle des droits d'entrée ou d'accès - Google Patents

Système pour le contrôle des droits d'entrée ou d'accès Download PDF

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Publication number
EP1120752A1
EP1120752A1 EP00101379A EP00101379A EP1120752A1 EP 1120752 A1 EP1120752 A1 EP 1120752A1 EP 00101379 A EP00101379 A EP 00101379A EP 00101379 A EP00101379 A EP 00101379A EP 1120752 A1 EP1120752 A1 EP 1120752A1
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EP
European Patent Office
Prior art keywords
user
identity
access
acoustic
signal
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Withdrawn
Application number
EP00101379A
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German (de)
English (en)
Inventor
Christian Franke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Franke & Co Verwaltungs KG
Original Assignee
Franke & Co Verwaltungs KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Franke & Co Verwaltungs KG filed Critical Franke & Co Verwaltungs KG
Priority to EP00101379A priority Critical patent/EP1120752A1/fr
Publication of EP1120752A1 publication Critical patent/EP1120752A1/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
    • G07C9/25—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition
    • G07C9/257—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition electronically

Definitions

  • the present invention relates to a system for controlling access or Access rights of a user, in particular a portable transmission device for use with such a system and a method for controlling the Access rights of a user.
  • Access rights to ATMs or account statement printers outside of the Opening times of a bank are, for example, simply by inserting one Check card checked in a card reader, with a positive result of Verification generates a release signal that opens the corresponding door and thus enables bank customers to access the machine room.
  • the disadvantage here is that the identification number, since it is handwritten by the person must be entered, is usually always the same and thus easily spied on can be. Furthermore, the identification number may only contain a small amount of data include, since the person must know this identification number by heart. On Regularly changing the identification number is disadvantageous because the ability to remember the person would be overwhelmed.
  • the identification number can be a larger one Amount of data include and can change according to a certain rule, because Smart cards can store a large amount of data.
  • the transmission is still on the control system via the special card reader is better protected because the Identification number not - as with manual entry - through observation in Experience can be brought.
  • the disadvantage is that a special card reader is necessary, which is specifically designed for access control and access control only is therefore expensive. Furthermore, these card readers have to be serviced regularly. On Retrofitting such a special card reader to existing ones Control systems are not possible everywhere.
  • the object of the present invention is thus a system and a method for Control of a user's access or access authorization as well as a portable one
  • To provide transmitters for use with such a system enable simple, secure and fast authorization control.
  • the invention Control system comprises a receiving device for receiving an acoustic Identity signal from a portable transmitter and an acoustic Speech signal from the user, the acoustic identity signal from the portable transmitting device contains identity information that is related to the identity of the User related, a review facility to review the Identity of the user based on the received acoustic identity signal from the portable transmitter and the received acoustic voice signal from the user, whereby if the test result is positive, access for released to the user.
  • the above object is further accomplished by a portable transmitter Claim 8 in particular for use with such a control system the access or access authorization of a user solved.
  • the invention Portable transmitter device includes a storage device for storing a with the Identity of the user related identity information, a Transmitting device for transmitting an acoustic signal containing the identity information Identity signal, and a triggering device when operated by the user triggers the sending of the acoustic identity signal.
  • the above task is further achieved by a method for controlling the access or. Access authorization of a user solved according to claim 15.
  • the control method according to the invention comprises the steps of sending an acoustic Identity signal, which is related to the identity of the user Identity information includes, by means of a portable transmitter, the reception the acoustic identity signal and an acoustic speech signal from the user, and verifying the identity of the user based on the received one acoustic identity signal from the portable transmitter and the receiver acoustic voice signal from the user, being positive Check result of the access or the access is released for the user.
  • the idea underlying the present invention is the use of a two-part acoustic key.
  • the first part is from the portable Transmitting device in the form of an acoustic identity signal emitted during the second part is spoken by the user for example as a password or label.
  • the two-part acoustic key can be replaced by a only receiving device, e.g. a microphone can be received that both the acoustic identity signal from the portable transmitter as well acoustic voice signal recorded by the user, and for identification and Verification of the user's authorization to a corresponding one Verification facility forwards.
  • the portable transmitter therefore generates an acoustic identity signal that is related to the identity of the user contains standing identity information, i.e.
  • the control system identifies the User based on this acoustic identity signal from the portable Sending device, whereupon the verification of the identity of the user by the acoustic voice signal spoken by the user is possible.
  • the implementation of the present invention is therefore at the point where the Access or access authorization should be checked, as interface only one simple receiving device, for example in the form of a microphone, required.
  • the implementation of such a receiving device is anywhere in the world easily possible. In most places where access or Such access devices are already checked permanently installed, e.g. on a phone, a multi-media computer, etc. anyone elsewhere is the retrofitting of such a receiving device with minimal Effort possible.
  • the portable transmitter device according to the invention can be very small and be very light, for example as a chip card or the like, the Size that corresponds to a check or credit card.
  • the checking device of the invention recognizes Control system the identity of the user based on the received Identity information from the portable transmitter and verified by of the received acoustic voice signal from the user. It usually does the acoustic voice signal is first transmitted from the portable transmitter and received by the receiving device of the control system according to the invention, whereupon the user receives the acoustic voice signal in the form of a password or pronounces the like.
  • the user can, for example, from the control system according to the invention via a display or a voice output for Be asked to speak, or he has after the transmission of the acoustic Identity signal from the portable transmitter a predetermined period of time, for example 20 seconds to get the required acoustic voice signal from itself give.
  • the identity information from the portable transmitter is related to the identity of the User related, i.e. the checking device of the invention
  • Control system is able to identify the user by means of acoustic Identity signal.
  • the first Possibility is that the identity information from the portable transmitter Contains user directly characterizing data from the verifier used to verify the identity of the user.
  • the direct Characterizing data are, for example, speaker parameters such as an audiogram of the expected voice signal (password, label) or the like, which from the Checking device after receiving the acoustic voice signal from the Users can be compared directly with this voice signal.
  • the control system according to the invention can be constructed very simply.
  • the second Possibility is that the identity information from the portable transmitter Contains user indirectly characterizing data with which from a Memory device data which characterize the user are read out, the verification device for verifying the identity of the user used.
  • the indirectly characterizing data can be, for example Storage address of a database or the like, by means of which the Checking device can access a storage device in the directly characterizing data, e.g. Storage parameters, for the different users are saved.
  • the ones read directly from the memory device characterizing data is then received with the acoustic voice signal compared by the user, whereupon the result of a positive check is the Access or access is released for the user.
  • the data that characterize the user directly can be, for example, the voice mark the user in the form of an audiogram or the like. Another It is possible that the directly characterizing data is only that of the respective one Characterize user-assigned code word, i.e. it is only checked whether the user pronounces the correct code word without a voice or Frequency comparison takes place.
  • the acoustic identity signal from the portable transmission device is advantageous at least partially encrypted, with a decryption device in the control system according to the invention for decrypting the encrypted part of the received acoustic identity signal is provided. This allows the Security of access control is further increased.
  • the acoustic identity signal from the portable Transmitting device is changed. If the identity information from the portable transmission device contains data that characterizes the user directly For example, the user requests a different acoustic voice signal every day become. If the identity information from the portable transmitter is the Containing user indirectly characterizing data can be the acoustic identity signal for example with every operation, i.e. every time the access or Access authorization of the user can be changed, or the acoustic Identity signal can be changeable depending on the date and the respective time. In this case, a real-time clock must be present in the portable transmitter, whereby the user can always be asked for the same acoustic voice signal.
  • connection between the receiving device and the Checking device of the control system is not exclusive Connection is for a special user group, but of many different ones Users, such as telephone lines, internet lines, wireless telecommunications connections, etc.
  • the portable transmitter emits an acoustic identity signal a first and comprises a second part, the first part containing address information, which contains the address of the system, for example a database to which the User wants to access.
  • the first part of the acoustic identity signal is one general address information provided by each user of the authorized group is used. For example, this first part of the acoustic identity signal be a multifrequency telephone number.
  • the receiving device For example, the microphone of a telephone, the checking device using a telephone line or a wireless telephone connection with the checking device connected is.
  • the portable transmission device in this case comprises an encryption device for Encrypt this second part of the acoustic identity signal.
  • the second part of the acoustic identity signal a changeable security information include that of the inspection system of the control system as well as that Change rule must be known.
  • the portable A process counter can be provided, which counts each transmission process, wherein the security information is changed based on the counted transmissions becomes. Since the sending operations in the checking device as receiving operations can also be counted, can be efficient in this simple way Securing can be guaranteed.
  • control system according to the invention and the portable according to the invention Transmitters for use with such a control system allow one quick and secure control of the access rights of Users in a very simple way.
  • the implementation of the Control system according to the invention is very flexible and cheap, since only one acoustic receiving device, e.g. a microphone, at the interface between User and control system must be implemented, and the verification facility can be more or less distant depending on the application.
  • the access or access authorizations of the users can easily and can be changed flexibly, for example by the checking device included computer is simply reprogrammed or the permissions depending on external circumstances, e.g. Time of day, to change. For example, on different days and at certain times authorized users can be switched to unauthorized.
  • special events occur, such as emergencies authorizations be released automatically. This control of the authorizations can therefore be very managed easily and dynamically.
  • a control system 1 for controlling the access or Access authorization of a user according to the present invention From a portable device according to the invention, also shown schematically Transmitting device 10 is, for example, after operating a corresponding Trigger device, an acoustic identity signal is sent. That of the portable Transmitting device 10 emitted acoustic identity signal contains one Identity information related to the identity of the user.
  • the control system 1 comprises a receiving device 2 for Receiving the acoustic identity signal from the portable transmitter 10 and an acoustic voice signal from the user.
  • the invention Control system 1 further comprises one with the receiving device 2 via lines or wirelessly connected verification device 3, in which the identity of the access or user requesting access based on the received acoustic Identity signal and the received acoustic voice signal is checked.
  • the receiving device 2 and the Checking device 3 arranged locally close to each other and for example in implemented in a single device or arranged very far apart his.
  • the checking device 3 of the control system 1 comprises a Control device 5, e.g. in the form of a digital signal processor in which the identity of the user based on the received acoustic identity signal from the portable transmitter 10 detected and by means of the received acoustic Voice signal is verified by the user.
  • a Control device 5 e.g. in the form of a digital signal processor in which the identity of the user based on the received acoustic identity signal from the portable transmitter 10 detected and by means of the received acoustic Voice signal is verified by the user.
  • Procedure for controlling the access or access authorization of a user first the acoustic identity signal from the portable according to the invention Transmitting device 10 to the control system 1 according to the invention, whereupon within a predetermined period of time or at the request of the Control system 1 sends the acoustic voice signal from the user, i.e. must be pronounced.
  • the control device 5 is the Verification device 3 is able to identify the requesting user since the identity signal contains identity information related to the identity of the user related.
  • the identity signal contains identity information related to the identity of the user related.
  • the acoustic voice signal from the user established identity then verified. If the verification is positive, the access or Access enabled by a release device 7.
  • the identity information in Regarding the identity of the user associated with the acoustic identity signal from the portable transmitter 10 is transmitted either to the user directly characterizing data or data indirectly characterizing the user.
  • the control device 5 compares this Data directly characterizing users directly with the acoustic voice signal from User.
  • the identity information thus already contains the information that as acoustic voice signal is expected from the user, such as the password or the speaker parameters for frequency analysis or the like or one Combination of the two.
  • the acoustic identity signal from the portable transmitter 10 includes Data indirectly characterizing the user, i.e. Data related to identity of the user, but not directly related to the acoustic Voice signal can be compared by the user.
  • the user Characterizing data can contain, for example, a memory address by means of the control device 5 of the checking device 3 onto a storage device 6 can access.
  • the storage device 6 contains one Database with data directly characterizing the authorized users.
  • the control device 5 reads the user indirectly characterizing data directly characterizing data from the storage device 6 by means of the received data that characterize the user indirectly.
  • the acoustic identity signal is portable Transmitting device 10 at least partially encrypted, in front of the control device 5 of the checking device 3, a decryption device 4 is switched, which is the encrypted part of the received acoustic identity signal decrypted.
  • Security can be further increased if the acoustic Identity signal or at least part of the acoustic identity signal from the portable transmission device 10 according to one of the portable transmission device 10 and the Checking device 3 known rule is changed. The change can for example, be carried out regularly. Another possibility is, the change in the acoustic identity signal depending on the particular Real time, in which case a real time transmitter is provided in the transmission device 10 have to be.
  • a preferred option, however, is to provide an event counter both in the portable transmission device 10 and in the checking device 3, wherein the acoustic identity signal is based on the counted Sending changes.
  • FIG. 2 schematically shows a portable transmission device 10 according to the invention
  • portable transmitter 10 comprises a central control device 11, e.g. one Microcontroller, which includes a memory 12.
  • the transmission device comprises 10 a triggering device 14 for triggering the generation and the transmission of the acoustic identity signal.
  • the triggering device 14 is shown in FIG Example connected to a process counter 19, which counts the send operations.
  • Also provided are one connected to the control device 11 Signal generating device 15 and a separate memory 18.
  • the from the signal generating device 15 signals are generated by a transmitter 13 as the acoustic identity signal is emitted.
  • the transmission device 10 additionally comprises a clock generating device 16, for example in the form of a quartz, and one Power supply device 17 such as e.g. a battery.
  • the transmission device 10 shown in FIG. 2 is a preferred one Embodiment of the portable transmitter device according to the invention is a offers relatively high complexity and security.
  • a portable Transmitting device according to the present invention only needs one Control device with appropriate memory, a trigger device and Include transmission device.
  • the storage device is the identity of the User related identity information stored at Triggering the triggering device by the user via the control device read out and transmitted via the transmitter as an acoustic identity signal becomes.
  • the portable Transmitter device according to the present invention are these functions for Use with the control system according to the invention to control the access or. Access authorization of a user is completely sufficient.
  • the acoustic identity signal consists of two parts, only the second part related to the identity of the user includes standing identity information.
  • the first part of the acoustic identity signal contains address information that contains the identity information from the Receiving device 2 for checking device 3 of the invention
  • Control system 1 directs, e.g. a phone number or an internet address.
  • The is particularly important in the event that the connection between the Receiving device 2 and the checking device 3 of the invention Control system 1 is not an exclusive connection, but of various Users, such as a fixed telephone network, cordless telephone network, Internet, etc.
  • the portable transmission device 10 of FIG. 2 explained with regard to a transmission over the telephone landline network, this However, explanations also apply to the other transmission options are to be applied.
  • the first part consists of the portable transmitter 10
  • Receiving device 2 of the control system 1 transmitted acoustic identity signal from the telephone number of the system to which the user has access want to get.
  • the checking device 3 is part of this system and Can be reached via this telephone number, so to speak.
  • the telephone number is stored in the memory 12 of the control device 11.
  • the phone number is stored in the memory 12 of the control device 11.
  • the signal generating device 15 sets the Convert telephone number into an acoustic signal according to the multi-frequency method is emitted by the transmitting device 13.
  • This first part of the acoustic Identity signal is received by the receiving device 2 of the control system 1 is formed, for example, by the speaker shell (microphone) of a telephone receiver, forwarded to an exchange of the fixed telephone network.
  • the exchange identifies the address based on the phone number received and then routes the second part of the acoustic identity signal to the checking device 3.
  • the portable transmission device 10 preferably has the shape and size of a Bank card, key fob or the like, making it easy is to be kept and easy to carry with you.
  • the button Trigger device 14 e.g. a button, a pressure sensor or the like
  • the Trigger device 14 comprise several such buttons or pressure sensors, so that Access or access to various control systems is possible.
  • Each key or each pressure sensor is assigned its own acoustic identity signal.
  • buttons or pressure sensors can each different tasks can be assigned within the same control system, whereby in this case the first part of the acoustic identity signal, i.e. for example the Phone number matches, or any key or pressure sensor can be one different control system, each with its own phone number his.
  • the triggering device 14 can couple energy consumption to a photodiode in this way be that the trigger device 14 is not active in the dark. Only when the If the photodiode detects sufficient light intensity, it can be generated and sent of the acoustic identity signal can be activated via the trigger device 14. If the trigger device 14 comprises several buttons or pressure sensors, should Pressing several buttons or pressure sensors simultaneously also none Activation.
  • the identity information After transmission of the first part of the acoustic identity signal, a predetermined pause the second part of the acoustic identity signal with the Identity information sent. For security reasons, the identity information in a separate memory 18, which is connected to the signal generating device 15 coupled, stored. As explained in more detail above with reference to FIG. 1, there is the Identity information either from data directly characterizing the user, such as e.g. Language parameters or speaker parameters, or indirectly from the user characterizing data, e.g. Address information of a database of the Checking device 3 of the control system 1, a customer number, one Device number or the like.
  • the second part of the acoustic identity signal is in Figure 2 shown encrypted example.
  • the key used is in the Storage device 12 stored, together with the associated Address information or the like of the first part of the acoustic identity signal and the one to be transmitted in the second part of the acoustic identity signal Identity information.
  • the second part of the acoustic Identity signal which is emitted from the portable transmission device 10, in addition the identity information related to the identity of the user include changeable security information that changes during each transmission process changes.
  • the security information is also encrypted with the same key like the identity information.
  • the change in security information can for example, on the basis of the transmissions counted in an event counter 19 respectively.
  • the process counter 19 counts each transmission process.
  • the accumulated The number of transmissions is then encrypted and used as security information Identity information added.
  • the security information on the Based on a real-time counter in the portable transmitter 10, i.e. the respective real-time information is used to provide the security information used.
  • control system 1 has the same security information, since there is also an operation counter or one in the checking device 3 Real-time clock can be provided so that the checking device 3 the Can easily check correctness of the safety information.
  • the Security information based on the number of transmissions is in the Checking device 3 checks whether the number of transmissions received by the portable transmitter is greater than or equal to that of the event counter Checking device 3 is counted receiving operations. If the number received the transmissions from the portable transmitter are greater than or equal to that of Operation counter of the checking device 3 is counted reception operations, so the security information is recognized as valid and the access or access can be released accordingly. This measure ensures that an accidental triggering of a transmission process on the portable transmission device and a corresponding increase in the number of operations in the operation counter of the portable Transmitting device no negative effects on the check according to the invention who has access authorization.
  • the functions according to the invention implemented in the portable transmission device 10 can for example by a microcontroller as a storage device 12 and a tone generator and corresponding storage devices can be realized.
  • the memory 12 in which the address information of the first part of the acoustic identity signal and the corresponding key are stored, part of the Be microcontrollers.
  • the separate memory 18 can, for example be realized together with the signal generating device 15 in a sound module.
  • all of the functions can be performed in a special semiconductor chip will be realized.
  • each portable transmission device 10 is used by a single user and is to be assigned to this person personally, the portable transmission device 10 must be personalized prior to commissioning.
  • the portable transmission device 10 according to the invention should advantageously be designed so that the memory 18 containing the identity information can be personalized via an adapter with commercially available programming devices, for example for smart cards.
  • the memory device 10 behaves like a simple memory card with an I 2 C interface, and supports the bidirectional 2-wire bus I 2 C.
  • the portable transmission device according to the invention always works as a slave and can only be the recipient of data. The data is controlled by a master, which generates the clock for serial transmission and the start and stop signals. Reading data from the memory 18 from the outside is therefore not readily possible.
  • the data stored in the memory 12 of the control device 11 data that are identical for many transmission devices 10, namely the Address information, such as phone number, and that for the second part of the acoustic identity signal keys to be used for the respective control system 1.
  • This data becomes, if the control device 11 is a microcontroller with an EPROM as memory when programming the microcontroller in written the EPROM. After programming, access to the EPROM blocked.
  • the portable transmission device 10 is advantageously in the form and Size of a credit card, a keychain or the like the elements used should be as small and light as possible.
  • Transmitting device 13 can be used, for example, a piezo speaker, for its acoustic radiation area a circle with a diameter of approx. 35 mm is sufficient.
  • the clock supply is provided by the clock generator 16 advantageously by a small quartz watch, here the minimum thickness of the Quartz is the most important selection criterion.
  • the battery 17 must be a block diagram Supply the circuit shown in FIG. 2 with current at 3 volts for about 3 seconds. The electronics automatically switch to a standby state during idle times.
  • the Battery capacity is said to be about a thousand times use within 3 years guarantee, so that for example a 3V button cell with a maximum height of 1.2 to 1.6 mm can be used.
  • Such a battery can be permanently installed and ensures a reliable power supply during the total life of the transmitter.
  • Control method and the portable transmitter device according to the invention are transactions to be processed by telephone, access controls on the computer or at internal computer networks, checking the permissions to start a Vehicle and the like.
  • the receiving device 2 according to the invention is the microphone in the telephone receiver and the Checking device 3 can be connected to any telephone connection or also be installed in a switching center.
  • access control at The receiving device 2 according to the invention is used as a microphone on the computer Sound card of the computer connected, and the checking algorithm of the checking device 3 is implemented as software in the computer.
  • the receiving device 2 When reviewing the Access authorization in a computer network, the receiving device 2 as Microphone connected to the sound card of the respective workstation and the Test algorithm of the checking device 3 is software on the network server Installed. Another possible application is access control for Rooms. In the case of a decentralized access control, the receiving device 2 is used as Microphone attached to the access to the room (door) and the checking device 3 is integrated in the door opener. With a central access control for several rooms For example, a telephone can be attached to the access to each room, the Receiving device 2 is the microphone integrated in the telephone handset, and the central arranged checking device 3 is controlled via the telephone system, just like the respective door openers for every room. Similarly, the acoustic keys according to the invention for checking the start authorization for a Vehicle such as car sharing. The receiving device 2 according to the invention as a microphone in the car interior be arranged.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephonic Communication Services (AREA)
EP00101379A 2000-01-24 2000-01-24 Système pour le contrôle des droits d'entrée ou d'accès Withdrawn EP1120752A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00101379A EP1120752A1 (fr) 2000-01-24 2000-01-24 Système pour le contrôle des droits d'entrée ou d'accès

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00101379A EP1120752A1 (fr) 2000-01-24 2000-01-24 Système pour le contrôle des droits d'entrée ou d'accès

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EP1120752A1 true EP1120752A1 (fr) 2001-08-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017107418A1 (fr) * 2015-12-24 2017-06-29 歌尔股份有限公司 Procédé et système de surveillance de contrôle d'accès

Citations (9)

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Publication number Priority date Publication date Assignee Title
US4126768A (en) * 1977-06-27 1978-11-21 Bell Telephone Laboratories, Incorporated Portable automatic number outpulser
EP0298621A2 (fr) * 1987-07-10 1989-01-11 Ing. C. Olivetti & C., S.p.A. Système pour mesurer et compenser automatiquement les distorsions d'une connection entre un appareil téléphonique et une unité centrale de traitement de parole
FR2642882A1 (fr) * 1989-02-07 1990-08-10 Ripoll Jean Louis Appareil de traitement de la parole
EP0451057A1 (fr) * 1990-04-05 1991-10-09 Alain Bernard Système de paiement de services par téléphone
US5216716A (en) * 1990-10-17 1993-06-01 Alain Bernard Transmitting device of signal sequences
WO1996005683A1 (fr) * 1994-08-06 1996-02-22 Austel Licensing Gmbh Procede pour composer automatiquement des numeros de telephone et dispositif pour la mise en ×uvre du procede
WO1997031472A2 (fr) * 1996-02-23 1997-08-28 Smart Tone Authentication, Inc. Procede et dispositif d'echange securise de donnees
US5704009A (en) * 1995-06-30 1997-12-30 International Business Machines Corporation Method and apparatus for transmitting a voice sample to a voice activated data processing system
US5806040A (en) * 1994-01-04 1998-09-08 Itt Corporation Speed controlled telephone credit card verification system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126768A (en) * 1977-06-27 1978-11-21 Bell Telephone Laboratories, Incorporated Portable automatic number outpulser
EP0298621A2 (fr) * 1987-07-10 1989-01-11 Ing. C. Olivetti & C., S.p.A. Système pour mesurer et compenser automatiquement les distorsions d'une connection entre un appareil téléphonique et une unité centrale de traitement de parole
FR2642882A1 (fr) * 1989-02-07 1990-08-10 Ripoll Jean Louis Appareil de traitement de la parole
EP0451057A1 (fr) * 1990-04-05 1991-10-09 Alain Bernard Système de paiement de services par téléphone
US5216716A (en) * 1990-10-17 1993-06-01 Alain Bernard Transmitting device of signal sequences
US5806040A (en) * 1994-01-04 1998-09-08 Itt Corporation Speed controlled telephone credit card verification system
WO1996005683A1 (fr) * 1994-08-06 1996-02-22 Austel Licensing Gmbh Procede pour composer automatiquement des numeros de telephone et dispositif pour la mise en ×uvre du procede
US5704009A (en) * 1995-06-30 1997-12-30 International Business Machines Corporation Method and apparatus for transmitting a voice sample to a voice activated data processing system
WO1997031472A2 (fr) * 1996-02-23 1997-08-28 Smart Tone Authentication, Inc. Procede et dispositif d'echange securise de donnees

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017107418A1 (fr) * 2015-12-24 2017-06-29 歌尔股份有限公司 Procédé et système de surveillance de contrôle d'accès
US9928670B2 (en) 2015-12-24 2018-03-27 Goertek Inc. Method and system for access control monitoring

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