EP2569880A1 - Verfahren und einrichtung zum identifizieren von objekten und auslösen von interaktionen mittels nahbereichskopplung akustisch modulierter datensignale - Google Patents
Verfahren und einrichtung zum identifizieren von objekten und auslösen von interaktionen mittels nahbereichskopplung akustisch modulierter datensignaleInfo
- Publication number
- EP2569880A1 EP2569880A1 EP11720367A EP11720367A EP2569880A1 EP 2569880 A1 EP2569880 A1 EP 2569880A1 EP 11720367 A EP11720367 A EP 11720367A EP 11720367 A EP11720367 A EP 11720367A EP 2569880 A1 EP2569880 A1 EP 2569880A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- station
- receiving unit
- modulated data
- interactions
- triggering
- 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- Withdrawn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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/01—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
Definitions
- the invention relates to:
- a facility to identify objects and trigger desired interactions consisting of:
- Machine-readable bar codes in which digital data is recorded directly on a label, package or product have been and are still being used to make product or document identification using a fixed set of values and more easily numerical coding and sampling technologies.
- Barcodes can be designed quite differently, including two-dimensional. One is all variations but in common: they are pictorial representations that must be read optically, ie the code must be printed or visible on a screen, and to read it requires an optical reader or camera.
- any input signal must be audible.
- a barcode must therefore be replaced by an acoustically modulated data signal.
- a receiving unit which is designed for purely acoustic input and output, does without additional optical reading device. If a communication channel is provided for signals in the audible range, e.g. a voice channel, this can also be used for the transmission of acoustically modulated data signals.
- the object of the present invention is to provide a method by means of which a purely acoustic interaction between one of many participants on its individual receiving unit and one of many objects a station associated with this is made possible. Furthermore, it is an object of the invention to provide a device by means of which this method can be realized.
- This object is achieved by a method for identifying objects and triggering interactions, which is characterized in that by means of an acoustically modulated data signal which is associated with an object and is emitted by a station which is assigned to this object, and based on the identification of the line over which this signal is sent from a receiving unit to a processing site, the content associated with that object is sent over that line from the processing station to the receiving unit and thus allowing interaction between one of many subscribers via its receiving unit and the processing station with respect to one of many objects.
- the object is further solved by a device to identify objects and trigger desired interactions, by means of acoustically modulated data signals consisting of
- Figure 1 A diagram of the entire device with its components for
- Figure 2 is an illustration of the possible use of discrete frequencies for the representation of hexadecimal or decimal coded data.
- Figure 3 is an illustration of the possible composition of a signal for secure transmission of a barcode-like content by means of acoustically modulated data signals.
- Optical barcodes need to be audible (on to audible barcodes identifying object).
- the optical bar code is read by an optical bar code reader or a camera that reads its sound waves.
- a transducer e.g., microphone
- the optical bar code is usually in order to be audible, the acoustic passive form depends on (printed pattern) bar code from an electrical and is therefore only from sufficiently powered device. On the other hand, he is not dependent on light without additional lighting.
- printed acoustic bar code may be static pattern
- the optical bar code or dynamic He can be static at any time.
- Dynamic adaptation to changed parameters adapted to changed parameters e.g., poor (e.g., signal pattern fitting, illumination) is not possible unless it replaces amplitude, length, e.g., a higher one (e.g., by a small environmental noise level).
- acoustic barcodes are only optical barcodes too - without being audible when viewed from any device reading devices. That will be played. This always happens reader can the barcode in the same play direction and a large tolerance regarding reading direction the same playback tempo.
- the identification of an object 2 is done by identifying the acoustically modulated data signal 4e associated with 105.
- the data signal 4e must be forwarded to the processing station 9 by means of a receiving unit 3 with a sound transducer 3a.
- the processing station 9 may be part of the mobile receiving unit 3 or be in communication with it via a transmission link (117, 5, 116, 14 and 113) or wirelessly.
- the Receiving units 3, in the scheme are mobile phones, a common processing point 9, the acoustically modulated data signals 4e are transmitted (transmission path: 117, 5, 116, 14 and 113), detected (detection unit 11) and evaluated (interaction management 8). On the basis of these signals 4e and a stored reference 8a the respectively assigned station 4 is identified, while the receiving unit 3 based on the transmission path (117, 5, 116, 14 and 1 13), which transmits the signal can be determined. Conversely, the processing station 9 can assign a mobile receiving unit 3, which has transmitted an acoustically modulated data signal 4e, to the vicinity of the station 4 to which this signal 4e belongs.
- the stations 4 can additionally communicate directly with the processing station 9 via a further transmission link (106, 6 and 107). This brings the following advantages:
- the detection of the acoustically modulated data signals 4e is more reliable, because then the signal to be detected 4e a is known a priori.
- Additional information generated by the station 4 itself and / or due to an interaction between station 4 and person 1 (such as via an input unit 4d), which supplement the limited information from the acoustically modulated data signal 4e, may be sent to the processing station 9 be transmitted separately. Without the above direct connection (106, 6 and 107) to the processing center 9, a separate acoustically modulated data signal 4e would be required for each additional input possibility.
- the processing station 9 can transmit information to a station 4, which information is to be acknowledged by it in the form of an acoustically modulated data signal 4e.
- This allows in particular dynamic and / or user-specific and / or secure transactions.
- the design of the acoustically modulated data signals 4e (acoustic pattern design): For the data signals 4e arriving in the processing station 9 to be detected as reliably as possible, they must be designed so that they differ as well as possible from other acoustic signals and signal patterns. If mobile phones are to be used as receiving units 3, the acoustically modulated data signals 4e must also be adapted to the particular conditions of the voice channel of the mobile telephone network.
- a condition to identify a station 4 with high security and to determine the presence of the receiving unit 3 at a station 4 as reliable as possible, is the immediate vicinity of the transducer 3a of the mobile receiving unit 3 to the sound source 4b of Tone generator 4a. It makes sense to strive for a good signal-to-noise ratio of the acoustically modulated data signals 4e, together with the lowest possible audibility starting at a very short distance.
- the sound sources 4b which emit the data signals 4e, must generate in their immediate surroundings the highest possible sound pressure, which drops sharply after a short distance. For this purpose, sound sources 4b as small as possible dimensions are used, which move only a small column of air.
- several small sound sources 4b can be arranged close to one another, which simultaneously emit the same data signal 4e, be it in-phase or with a precisely predetermined phase relationship to one another.
- the arrangement of several sound sources 4b ensures a more uniform local sound, while the choice of suitable phase relationships favors the mutual extinction of the sound waves from a certain distance.
- interaction design Using the technology described above, interactive systems, such as customer-specific information systems, can be set up and operated, as shown by the examples described below.
- the interactive solutions described here serve, for example, the information, guidance or orientation and in museums, collections, exhibitions on learning trails, city tours, historical sites, monuments, viewpoints, tutorials but just as well in the retail trade (shops, malls , Vending machines), in major buildings, airports and railway stations as an information tool or guide, etc., but that does not mean that the application of this invention is limited to these areas.
- Many more applications are conceivable.
- the core and peculiarity of the technology always remains the identification of objects and the triggering of desired interactions by means of acoustically modulated data signals with small amplitude in the vicinity of sound sources.
- the signals are also electrically coupled, such as using connections for acoustic hands-free devices.
- Audio guides using small mobile players have therefore been widely used for some time.
- the visitor can always enjoy a spoken comment in his own language. He can focus on the exhibits without having to read a text all the time.
- the mobile players are expensive and require daily maintenance. The number of mobile players that need to be provisioned depends according to the maximum number of visitors who can be in an exhibition at the same time, plus equipment that is after cleaning and maintenance.
- a mobile phone user can set a service number and then in certain exhibition objects in which he is currently is located by entering a shortcut number received a comment.
- this retrieval of information is not user-friendly for the user because it requires concentration and fatigue. He must type the assigned number on his mobile phone for each object. He must therefore focus his gaze on the telephone keypad for each new item and enter the correct speed dial number without errors. In often darkened rooms of a museum, where only the objects are illuminated, this can be difficult.
- stations 4 with sensor 4c, which detects the presence of a mobile phone 3, with sound generator 4a and sound source 4b.
- the stations 4 are connected to the processing station 9 via 106, 6 and 107 and generate, on demand, the acoustically modulated data signal 4e associated with the exhibition object 2 in the immediate vicinity (105),
- ⁇ mobile phones 3 which transmit a received acoustically modulated data signal 4e depending on a transmission link (117, 5, 116, 14, 113) to the processing site 9,
- the acoustically modulated data signals 4e are to be designed specifically so that they can only be reproduced with extremely low probability by voice, vocals, noise, noise, sound, etc. This is done by providing the signals 4e with properties (amplitude range, signal frequencies, signal duration, time profile of these properties, signal redundancy, time stamp, etc.), which can be checked in the detection 11.
- properties amplitude range, signal frequencies, signal duration, time profile of these properties, signal redundancy, time stamp, etc.
- the voice channel is the only easily accessible and open transmission channel, while specialized and general data channels in many devices are not accessible or not executed and / or require a slow, complex interaction with the user 1.
- the acoustically modulated data signal 4e consists of a series of superposed oscillations. If this data signal 4e can be transmitted via the voice channel of the telephone network, the frequencies to be transmitted must be within the range that can be transmitted, ie between 300 Hz and 3'400 Hz. Since the frequencies of the human voice are also within this range, there is the danger, as mentioned above, that these, but also transmitted ambient sounds are erroneously interpreted as part or, if it wills to be coincidence, as complete data signals 4e.
- the DTMF system consists of a DTMF tone generator on the side of the transmitter and a DTMF decoder on the receiver side.
- the generator is operated via the telephone keypad
- the receiver consists of an electronic circuit for the detection of the DTMF frequencies and a program for the reconstruction of the transmitted codes from the characteristics of the detected signals.
- the signals consist of two short, simultaneous and superimposed signal sequences of one of four possible frequencies in the middle speech range (values in Hz: 697, 770, 852 and 941, as well as 1209, 1336, 1477 and 1633).
- both acoustically modulated data signals and voice signals and / or noise can be transmitted simultaneously in the case described here when using the mobile telephone system.
- reliable detection of the DTMF signals in the presence of significant levels of spurious signals is not specified in the conventional DTMF receiver, with the result that conventional DTMF devices can not be used in the present case.
- FIG. 3 illustrates this principle using an example.
- the entire signal sequence consists exclusively of the sub-signals 30 with the length of a data frame (frame), ie 20 milliseconds in the case of GSM (frames), which are occupied by the above-described pairs of discrete frequencies.
- the synchronization pattern 31 which consists of a suitable sequence of frames with a single frequency, which also belongs to neither of the two groups (ie 1 100 Hz or 1200 Hz), or consists of empty frames (for example, 1 empty frame, 2 frames at 1200 Hz, 2 empty frames, 2 frames at 1200 Hz, 1 empty frame).
- Such signals can be detected by the same methods as the data signals, and it is also possible to derive the time limits of the frames from the detected signals.
- the synchronization pattern is followed by data packets 36, which in turn consist exclusively of frames with frequency pairs.
- each data packet contains useful data 32, on the other hand data which are calculated as checksums of the useful data (33, 34).
- a test data packet whose user data are at the same time checksums of the user data of other data packets. They allow a better error correction with longer lasting transmission disturbances.
- the determination of suitable synchronization patterns and the selection of suitable codes for error protection are known to the person skilled in the art, and a detailed description is unnecessary.
- a mobile phone 3 is in the immediate vicinity of a station 4 and also to reduce the likelihood of noise simulation, its presence at the station 4 can be detected and transmitted to the processing station 9.
- This can be done without functional, mobile phone-specific interaction - for example by activating a sensor 4c (mechanical switch, proximity, ultrasonic, Infrared, optical sensor, capacitive or inductive detection, detection of the radiation of the receiver unit, detection with radar, etc.).
- a sensor 4c mechanical switch, proximity, ultrasonic, Infrared, optical sensor, capacitive or inductive detection, detection of the radiation of the receiver unit, detection with radar, etc.
- Various types of sensors 4c may also be used in combination.
- all line signals have to be continuously checked for possibly existing acoustically modulated data signals 4e, while in the central detection of presence information the same signals only have to be analyzed over a short duration that slightly exceeds the time length of the data signal 4e.
- Data signals 4e simulating noise outside the measurement window are thereby effectively suppresse
- the exhibition visitor 1 wishes to receive a spoken information 12a corresponding to the exhibition object 2 on his mobile phone 3. Prerequisites for this are:
- a station 4 In the vicinity of the exhibition object 2 is a station 4 with tone generator 4a.
- an acoustic signal is generated which identifies the exhibition object 2 (as well as possibly a special form of interaction, such as commentary language).
- the acoustically modulated data signal 4 e is transmitted to the processing station 9. There it is detected - even at significant noise levels.
- the owner 1 of the mobile phone 3 on this line wants the content 12a to the relevant exhibit object 2, and the corresponding spoken comment 2a can be leaked to him.
- the exhibition visitor 1 has been provided with the desired information 12a.
- a station 4 may also have a selection menu via which the user 1 can select the desired interaction.
- the selection menu could be in tactile (e.g., stylus) or virtual (e.g., touchscreen) form.
- the selection menu can be:
- Station 4 If the station 4 is connected to the processing station 9, the selection made can be transmitted to the processing station 9 and the desired content 12a can be transmitted the corresponding user 1 are sent.
- Station 4 can always generate the same acoustic pattern 4e regardless of the selection made. However, it can also obtain a specific or complete partial acoustic sample 4e from the processing site 9 for the selection made.
- the station 4 serves the purpose of determining the line, and may optionally contribute to the determination of the content 12a of the interaction.
- Another form of interaction is e.g. a visitor or custom solution that specifically collates the information or guidance.
- a visitor or custom solution that specifically collates the information or guidance.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00535/10A CH702962B1 (de) | 2010-04-14 | 2010-04-14 | Verfahren und Einrichtung zur selektiven Zuspielung von Tonfolgen an Kommunikationseinheiten und zur Ortung dieser Kommunikationseinheiten mittels Nahbereichskopplung akustisch modulierter Datensignale. |
PCT/CH2011/000079 WO2011127618A1 (de) | 2010-04-14 | 2011-04-12 | Verfahren und einrichtung zum identifizieren von objekten und auslösen von interaktionen mittels nahbereichskopplung akustisch modulierter datensignale |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2569880A1 true EP2569880A1 (de) | 2013-03-20 |
Family
ID=44310265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11720367A Withdrawn EP2569880A1 (de) | 2010-04-14 | 2011-04-12 | Verfahren und einrichtung zum identifizieren von objekten und auslösen von interaktionen mittels nahbereichskopplung akustisch modulierter datensignale |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130119133A1 (de) |
EP (1) | EP2569880A1 (de) |
CN (1) | CN102959884A (de) |
CH (1) | CH702962B1 (de) |
WO (1) | WO2011127618A1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7148879B2 (en) | 2000-07-06 | 2006-12-12 | At&T Corp. | Bioacoustic control system, method and apparatus |
US8908894B2 (en) | 2011-12-01 | 2014-12-09 | At&T Intellectual Property I, L.P. | Devices and methods for transferring data through a human body |
US10108984B2 (en) | 2013-10-29 | 2018-10-23 | At&T Intellectual Property I, L.P. | Detecting body language via bone conduction |
US9594433B2 (en) | 2013-11-05 | 2017-03-14 | At&T Intellectual Property I, L.P. | Gesture-based controls via bone conduction |
US9349280B2 (en) | 2013-11-18 | 2016-05-24 | At&T Intellectual Property I, L.P. | Disrupting bone conduction signals |
US10678322B2 (en) | 2013-11-18 | 2020-06-09 | At&T Intellectual Property I, L.P. | Pressure sensing via bone conduction |
US9715774B2 (en) | 2013-11-19 | 2017-07-25 | At&T Intellectual Property I, L.P. | Authenticating a user on behalf of another user based upon a unique body signature determined through bone conduction signals |
US9405892B2 (en) | 2013-11-26 | 2016-08-02 | At&T Intellectual Property I, L.P. | Preventing spoofing attacks for bone conduction applications |
US10924472B2 (en) * | 2013-11-27 | 2021-02-16 | Shenzhen GOODIX Technology Co., Ltd. | Wearable communication devices for secured transaction and communication |
US9275645B2 (en) | 2014-04-22 | 2016-03-01 | Droneshield, Llc | Drone detection and classification methods and apparatus |
US10410643B2 (en) | 2014-07-15 | 2019-09-10 | The Nielson Company (Us), Llc | Audio watermarking for people monitoring |
US9882992B2 (en) | 2014-09-10 | 2018-01-30 | At&T Intellectual Property I, L.P. | Data session handoff using bone conduction |
US10045732B2 (en) | 2014-09-10 | 2018-08-14 | At&T Intellectual Property I, L.P. | Measuring muscle exertion using bone conduction |
US9589482B2 (en) | 2014-09-10 | 2017-03-07 | At&T Intellectual Property I, L.P. | Bone conduction tags |
US9582071B2 (en) | 2014-09-10 | 2017-02-28 | At&T Intellectual Property I, L.P. | Device hold determination using bone conduction |
US9600079B2 (en) | 2014-10-15 | 2017-03-21 | At&T Intellectual Property I, L.P. | Surface determination via bone conduction |
CN104954079B (zh) * | 2015-06-15 | 2017-05-31 | 广东小天才科技有限公司 | 一种声波通信中编码解码的方法和*** |
US10032464B2 (en) | 2015-11-24 | 2018-07-24 | Droneshield, Llc | Drone detection and classification with compensation for background clutter sources |
DE102016213807A1 (de) * | 2016-07-27 | 2018-02-01 | Robert Bosch Gmbh | Konzept zum Überwachen eines Parkplatzes für Kraftfahrzeuge |
US9686397B1 (en) * | 2016-09-29 | 2017-06-20 | Samsung Electronics Co., Ltd. | Acoustic-based communication between devices |
US10831316B2 (en) | 2018-07-26 | 2020-11-10 | At&T Intellectual Property I, L.P. | Surface interface |
CN111402869B (zh) * | 2018-12-13 | 2023-09-01 | 宿迁硅基智能科技有限公司 | 多人声模式人机对话*** |
JP6892138B2 (ja) * | 2019-03-01 | 2021-06-18 | Necプラットフォームズ株式会社 | 位置特定システム、位置特定方法及び位置特定プログラム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1247589B1 (de) | 2001-04-06 | 2003-12-17 | Swatch Ag | System und Verfahren zum Zugriff auf Informationen und/oder Daten im Internet |
CN101443722A (zh) * | 2006-05-16 | 2009-05-27 | 李巴道 | 具有输出控制功能的无线电信装置和利用该装置的交易认证*** |
TW200837669A (en) * | 2007-03-08 | 2008-09-16 | De-Xiang Huang | Wiretap detecting apparatus |
CN101369903A (zh) * | 2007-08-13 | 2009-02-18 | 程天宇 | 一种展会信息化***及其方法 |
US8983677B2 (en) * | 2008-10-01 | 2015-03-17 | Honeywell International Inc. | Acoustic fingerprinting of mechanical devices |
-
2010
- 2010-04-14 CH CH00535/10A patent/CH702962B1/de active IP Right Maintenance
-
2011
- 2011-04-12 CN CN2011800272250A patent/CN102959884A/zh active Pending
- 2011-04-12 US US13/641,438 patent/US20130119133A1/en not_active Abandoned
- 2011-04-12 WO PCT/CH2011/000079 patent/WO2011127618A1/de active Application Filing
- 2011-04-12 EP EP11720367A patent/EP2569880A1/de not_active Withdrawn
Non-Patent Citations (2)
Title |
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None * |
See also references of WO2011127618A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102959884A (zh) | 2013-03-06 |
CH702962B1 (de) | 2017-03-31 |
CH702962A2 (de) | 2011-10-14 |
US20130119133A1 (en) | 2013-05-16 |
WO2011127618A1 (de) | 2011-10-20 |
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