EP0683913B1 - System zum übermitteln von informationen, insbesondere für personen mit reduzierten sinnesfunktionen - Google Patents

System zum übermitteln von informationen, insbesondere für personen mit reduzierten sinnesfunktionen Download PDF

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Publication number
EP0683913B1
EP0683913B1 EP94906258A EP94906258A EP0683913B1 EP 0683913 B1 EP0683913 B1 EP 0683913B1 EP 94906258 A EP94906258 A EP 94906258A EP 94906258 A EP94906258 A EP 94906258A EP 0683913 B1 EP0683913 B1 EP 0683913B1
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EP
European Patent Office
Prior art keywords
receiver
receiver according
alarm
code
events
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.)
Expired - Lifetime
Application number
EP94906258A
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English (en)
French (fr)
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EP0683913A1 (de
Inventor
René Besson
Thierry Delrieu
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.)
CONCEPTION REALISATION DEVELOPPEMENT ELECTRONIQUE
Orange SA
Original Assignee
CONCEPTION REALISATION DEVELOPPEMENT ELECTRONIQUE
France Telecom SA
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Publication date
Application filed by CONCEPTION REALISATION DEVELOPPEMENT ELECTRONIQUE, France Telecom SA filed Critical CONCEPTION REALISATION DEVELOPPEMENT ELECTRONIQUE
Publication of EP0683913A1 publication Critical patent/EP0683913A1/de
Application granted granted Critical
Publication of EP0683913B1 publication Critical patent/EP0683913B1/de
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal

Definitions

  • the present invention as defined in the claims relates to a system for transmitting information consisting in the detection of determined, monitored events.
  • Such a system finds its application in particular for people with reduced physical sensory functions, such as the hearing impaired or the visually impaired. Indeed, for example, the hearing impaired experience practical difficulties when they live alone in an apartment to perceive certain sound events in the home such as the chime of an entrance door, the ringing of a telephone or the sound of an alarm clock. Such a system allows them to transmit this type of information. It also allows remote detection of the opening or closing of doors or windows. Finally, this system can also allow monitoring of a children's room remotely.
  • Such a system includes at least one transmitter connected to at least one sensor for monitored events, and transmitting a radio signal comprising a carrier when one of the monitored events is detected, and a receiver carried by the user, triggering an alarm in response to reception of radio signal.
  • each of the determined events monitored is identified by its own code used to modulate the carrier of the radio signal when the event occurs.
  • the receiver is likely to identify the event by code after demodulation of the radio signal. The alarm is therefore different depending on code, so that the event-alarm relationship is one-to-one.
  • the sensors are preferably chosen from a group comprising microphones, photoelectric cells, dry electric loops, and combinations thereof.
  • the signals received from the sensor is first processed for validation as a function of its level, its duration and, optionally, its frequency.
  • the receiver is pressed against the skin of the user, the alarm being constituted by a vibrating device, itself constituted by a direct current micromotor having on its axis an offset weight.
  • the alarm is doubled by a plurality of indicator lights and / or sirens.
  • a vibrating device of this nature is disclosed in document US-A-4,794,392.
  • the receiver is enclosed in an insulating case, fixed to the user's wrist by means of a bracelet, the sole of the case being constituted by a metallic element electrically connected to the receiver and forming antenna coupled to the skin. of the user.
  • the case also encloses a time module of the watch type.
  • the receiver further includes a microcontroller and a memory loaded by the code of each of the determined and monitored events, the microcontroller comparing the code received after demodulation of the radio signal with the codes loaded in the memory to determine the alarm to activate if necessary.
  • the vibrating device favorably presents a plurality of specific vibration cycles in number at least equal to that of the events monitored.
  • a sensor is constituted by a microphone 10 and the other by a dry loop 12 fitted to a door.
  • a dry loop is, as we know, constituted by an electric loop which can be either closed or open depending on the event monitored.
  • the loop 12 and the microphone 10 are connected to the actual transmitter 20, which is provided with its transmitting antenna 22.
  • the receiver 20 is shown in more detail schematically.
  • the signal coming from the microphone 10 is first of all processed as a function of its level by a sensitivity detector 24 and of its frequency by a frequency detector 26.
  • the signals thus obtained are applied to a microprocessor 30.
  • the signal coming from the dry loop 12 is directly applied to the microprocessor 30.
  • the microprocessor 30 is directly connected to a non-volatile memory, for example of the EEPROM type, which can in practice be directly integrated into the microprocessor 30 in a microcontroller.
  • a microcontroller comprising such a microprocessor without the non-volatile memory under the brand "NEC" and the reference 75P008.
  • the microprocessor 30 will, after a determined time, read in the memory 32 the code corresponding to the microphone 10. It will then commission the module 34 connected to the antenna 22 so that the module transmits a radio signal composed by a carrier modulated by the code corresponding to the microphone 10. It is substantially the same if the dry loop 12 changes state, the microprocessor 30 reading in the memory 32 the code corresponding to this change of state and then activating the transmission module 34 to transmit a signal composed by a carrier modulated according to the appropriate code.
  • a code is preferably composed of twelve binons forming a word, with in addition, a boot binon, an intertrain being provided between two successive codes.
  • Each binon of the word is constituted by a fixed-term slot having a low state followed by a high state.
  • the duration of each of the states determines the value of the binon which, in any event, ends in a falling edge. Thus, all the falling edges of a word are separated by a determined duration.
  • the microprocessor 30 remains in a low consumption mode until it is awakened by the detection of an event by one of the sensors.
  • the microprocessor cyclically scans the state of each of the sensors and remains in low consumption mode between each scan.
  • FIG. 3 shows a receiver 38 according to the invention.
  • This receiver comprises a reception module 46 connected to an antenna 44.
  • the reception module 46 ensures the demodulation of the radio signal and supplies a microprocessor 40 with the alarm code.
  • the microprocessor 40 verifies that the code received corresponds to a known code by comparing the code received with the various codes which have been previously loaded into the non-volatile memory 42 of the EEPROM type. If the code is of known type, the microprocessor 40 triggers the alarm. To do this, it puts into service a vibrating device 50 constituted for example by a direct current electric micromotor having on its axis an offset weight. This device 50 is put into service and then out of service according to a specific cycle corresponding to the code which has been received.
  • indicator lights 48 can be supplied so as to also define the code.
  • the indicator lights 48 consist of four light-emitting diodes so that the lighting of one or more of the diodes forms a code. Obviously if the comparison of the received code and the codes stored in memory 42 gives a negative result, the microprocessor 40 does not give any alarm instruction.
  • the microprocessor 40 manages the commissioning and the standby state of the reception module 46 so that this module 46 periodically scans for the presence or absence of the radio signal which is emitted by the transmitter.
  • the receiver is put in standby state, outside of the polling period which remains very short compared to the total period of the complete polling cycle on standby.
  • the microprocessor puts itself in low consumption mode.
  • the transmitter In order for the system to function correctly, it is then desirable for the transmitter to transmit the modulated radio signal if necessary for a time greater than the period of the sleep scan cycle of the receiver.
  • the reception module 46 is used and the received demodulated signal is analyzed.
  • the reception module 46 includes means for analyzing the time elapsed between two successive falling edges of the received demodulated signal. In fact, because the coding of the signal is of constant duration between two falling edges whatever the code transmitted, if, after a period of stabilization of the supply, two or more falling edges separated from the expected duration determined are detected, the scanning time is extended and the code analyzed and compared with those which have been previously loaded in the memory 42 as indicated previously. Otherwise, the assembly is returned to low consumption mode.
  • This analysis after demodulation, has the advantage of quickly detecting whether or not there is a radio signal present and of protecting the system against parasitic signals.
  • the microprocessor 40 of the receiver 38 is programmed to emit the coded alarm only a determined number of times, for example once, twice or three times.
  • the user can stop the alarm by pressing an appropriate push button as will be seen later.
  • the receiver repeat the last code by pressing the appropriate push button, thus ensuring the repetition of the coded alarm.
  • the receiver 38 is favorably enclosed in an insulating housing 60 fixed to the wrist of the user by means of a bracelet 62.
  • the sole of the housing is constituted by a metallic element 64, for example, disc-shaped, electrically connected to the receiver 38 and forming an antenna 22 coupled to the skin of the user. This optimizes the performance of the antenna.
  • the case can also be favorably enclosed with a time module of the watch type 66 provided with its winder 68, making the receiver discreet.
  • On the face of the receiver there are the indicator lights 48, while the vibrating device is disposed inside the housing 60.
  • At least one screw 70 makes it possible to fix the soleplate to the housing and a hatch provides access to the batteries. electric.
  • the housing has two push buttons, one of which is of the easy access type 72 and one of the protected access type 74.
  • the easy access button 72 makes it possible to silence the alarm when the user has identified it or to repeat the last coded alarm if necessary.
  • the button 74 will allow to load the memory 42 of the microcontroller. It is indeed essential that the codes loaded in memory of the receiver are identical to the codes loaded in memory of the transmitters.
  • the code consists of twelve binons, each sensor being linked to a code.
  • the system therefore has a mode of learning codes by radio link at high frequency.
  • the user after having pressed the push button 74, puts the receiver in learning mode, the emission of a radio signal by the transmitter 20 then does not trigger any alarm on the receiver 38 but on the contrary loads the corresponding codes in memory 42 of the receiver.
  • a plurality of coding switches are used. In this case, these switches must be made accessible to the installer.
  • the preferred alarm described here is a vibrating device, it is obvious that the use of a single plurality of indicator lights may be sufficient to transmit the required information.
  • the user must regularly monitor his receiver, which can no longer be used by a visually impaired person.
  • the alarm can also be constituted by a sound element of the loudspeaker type emitting a coded siren.
  • the receiver cannot be validly used by a hearing impaired person.
  • such a system can be validly used for collective calls, for example, for firefighters.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)

Claims (19)

  1. Empfänger für Informationen durch Erkennen bestimmter überwachter Ereignisse unter Zusammenwirken mit mindestens einem mit einem Sensor (10,12) für die Erkennung der Ereignisse verbundenen Sender (20), der ein Funksignal mit einer Trägerwelle aussendet, wobei der Empfänger (38) vom Benutzer getragen wird und aufgrund des Funksignals eine Warnung abgibt, während jedes der bestimmten überwachten Ereignisse durch einen jeweiligen Code identifiziert wird und die Trägerwelle des Funksignals moduliert und der Empfänger (38) in der Lage ist, das jeweilige Ereignis mit Hilfe des entsprechenden Codes und nach dem entsprechenden Demodulieren des Funksignals zu identifizieren, wobei die Art der Warnung je nach Code unterschiedlich ausfällt, sodaß eine eindeutige Beziehung zwischen Ereignis und Warnung besteht, wobei letztere von einer Schwingungen erregenden Vorrichtung (50) erzeugt wird und der Empfänger dadurch gekennzeichnet ist, daß er an der Haut des Benutzers anliegend angebracht ist, sodaß diese eine Antennenfunktion übernimmt.
  2. Empfänger nach Patentanspruch 1, dadurch gekennzeichnet, daß die Schwingungen erregenden Vorrichtung (50) aus einem mit Gleichstrom betriebenen Kleinmotor besteht, an dessen Achse eine exzentrische Masse angebracht ist.
  3. Empfänger nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, daß die Schwingungen erregenden Vorrichtung (50) eine Mehrzahl unterschiedlicher Schwingungsfolgen erzeugt, deren Anzahl mindestens der Anzahl der überwachten Ereignisse entspricht.
  4. Empfänger nach einem der obigen Patentansprüche, dadurch gekennzeichnet, daß die Warnvorrichtung darüberhinaus auch eine Mehrzahl von Leuchtanzeigen besitzt.
  5. Empfänger nach einem der obigen Patentansprüche, dadurch gekennzeichnet, daß die Warnvorrichtung darüberhinaus auch eine Sirene besitzt.
  6. Empfänger nach einem der obigen Patentansprüche, dadurch gekennzeichnet, daß er darüberhinaus auch einen Mikroprozessor (40) und einen Speicher (42) besitzt, in dem jeder einzelne Code der bestimmten überwachten Ereignisse abgespeichert ist, wobei der Mikroprozessor (40) nach der Demodulation des Funksignals den empfangenen Code mit den abgespeicherten Codes vergleicht, woraufhin er gegebenenfalls die entsprechende Warnung auslösen kann.
  7. Empfänger nach einem der obigen Patentansprüche, dadurch gekennzeichnet, daß er einen Empfangsmodul (46) besitzt, der in regelmäßigen Abständen abtastet, ob ein Funksignal von dem Sender (20) während einer Dauer anliegt, die länger ist als die Dauer für einen Zyklus Abtasten-Bereitschaftsstellung des Empfangsmoduls (46).
  8. Empfänger nach einem der obigen Patentansprüche, dadurch gekennzeichnet, daß der Empfangsmodul (46) außerhalb der Abtastperioden in Bereitschaftsstellung versetzt wird.
  9. Empfänger nach einem der Patentansprüche 6 bis 8, dadurch gekennzeichnet, daß der Mikroprozessor (40) außerhalb der Abtastperioden in einen Zustand mit geringer Leistungsaufnahme versetzt wird.
  10. Empfänger nach einem der Patentansprüche 7 bis 9, dadurch gekennzeichnet, daß das Anliegen des Funksignals durch eine Auswertung nach dem Demodulieren erkannt wird.
  11. Empfänger nach Patentanspruch 10, dadurch gekennzeichnet, daß er Mittel zur Auswertung der Zeit besitzt, die zwischen zwei aufeinanderfolgenden abfallenden Flanken des demodulierten Signals liegt.
  12. Empfänger nach Patentanspruch 11, dadurch gekennzeichnet, daß bei Übereinstimmung zwischen gemessener und erwarteter Zeit der empfangene Code ausgewertet bzw. mit den Codes verglichen wird, die zuvor im Speicher (42) abgelegt wurden.
  13. Empfänger nach einem der Patentansprüche 6 bis 12, dadurch gekennzeichnet, daß in dem Speicher (42) auch der zuletzt empfangende Code abgespeichert wird, wobei der Empfänger (38) Mittel besitzt, mit denen die Warnung wiederholt werden kann, die dem zuletzt empfangenen Code entspricht.
  14. Empfänger nach einem der obigen Patentansprüche, dadurch gekennzeichnet, daß er in einem isolierten Gehäuse (60) untergebracht ist, das mit einem Armband (62) am Arm des Benutzers angebracht ist, wobei die Bodenfläche des Gehäuses ein Metallteil (64) besitzt, das elektrisch mit dem Empfangsmodul (46) verbunden ist und in Verbindung mit der Haut des Benutzers die Aufgabe einer Antenne (22) übernimmt.
  15. Empfänger nach Patentanspruch 14, dadurch gekennzeichnet, daß das Gehäuse darüberhinaus auch einen Chronometer (66) von der Art einer Armbanduhr besitzt.
  16. System zur Übertragung einer Information zur Erkennung von bestimmten überwachten Ereignissen mit mindestens einem mit einem Sensor (10,12) für die Erkennung der Ereignisse verbundenen Sender (20), der ein Funksignal mit einer Trägerwelle aussendet, und mindestens einem Empfänger (38), dadurch gekennzeichnet, daß der Empfänger ein Empfänger nach Patentanspruch 1 bis 18 ist.
  17. System nach einem der obigen Patentansprüche, dadurch gekennzeichnet, daß die Sensoren (10, 12) aus einer Gruppe gewählt werden, zu der Mikrophone, Fotozellen, trockene Stromschleifen sowie Kombinationen aus letztere zählen.
  18. System nach Patentanspruch 17, dadurch gekennzeichnet, daß jeder der Sender 20 einen Mikrocontroller besitzt, der in der Lage ist, zwischen den Arten der Sensoren (10, 12) zu unterscheiden, die an die Eingänge der Sender angeschlossen sind.
  19. System nach Patentanspruch 18, dadurch gekennzeichnet, daß bei einem Sensor (10) von der Art eines Mikrofons oder einer Fotozelle das vom Sensor (16) empfangene Signal zuerst durch Auswertung seiner Tonhöhe, seiner Dauer und ggf. seiner Frequenz auf seine Gültigkeit geprüft wird.
EP94906258A 1993-02-10 1994-02-09 System zum übermitteln von informationen, insbesondere für personen mit reduzierten sinnesfunktionen Expired - Lifetime EP0683913B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9301483 1993-02-10
FR9301483A FR2701583B1 (fr) 1993-02-10 1993-02-10 Systeme de transmission d'informations notamment applicables aux personnes a fonctions sensorielles reduites.
PCT/FR1994/000148 WO1994018652A1 (fr) 1993-02-10 1994-02-09 Systeme de transmission d'informations notamment applicables aux personnes a fonctions sensorielles reduites

Publications (2)

Publication Number Publication Date
EP0683913A1 EP0683913A1 (de) 1995-11-29
EP0683913B1 true EP0683913B1 (de) 1996-11-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP94906258A Expired - Lifetime EP0683913B1 (de) 1993-02-10 1994-02-09 System zum übermitteln von informationen, insbesondere für personen mit reduzierten sinnesfunktionen

Country Status (5)

Country Link
EP (1) EP0683913B1 (de)
AT (1) ATE145490T1 (de)
DE (1) DE69400954T2 (de)
FR (1) FR2701583B1 (de)
WO (1) WO1994018652A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9510072D0 (en) * 1995-05-18 1995-07-12 Evets Communications Ltd Communication system
ES2107965B1 (es) * 1995-10-18 1998-07-01 Alvarez Alfonso Galvez Sistema de orientacion para autogobierno de invidentes.
WO1997020305A1 (en) * 1995-11-30 1997-06-05 Virtual Technologies, Inc. Tactile feedback man-machine interface device
JP2000207661A (ja) * 1999-01-11 2000-07-28 Tokyo Shinyu:Kk 情報告知システム
GB0001160D0 (en) * 2000-01-19 2000-03-08 Clofield Ltd A warning device for deaf-blind persons
FR2831700A1 (fr) * 2001-10-29 2003-05-02 Univ Paris Sud Procede de codage d'une grandeur physique ou d'un alphabet par des sensations tactiles
AUPS157702A0 (en) 2002-04-05 2002-05-16 King, Quentin System for providing tactile stimulation
US8299905B2 (en) 2005-02-10 2012-10-30 Quentin King System for applying tactile stimulation to the controller of unmanned vehicles

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230454A (en) * 1963-07-03 1966-01-18 Exxon Production Research Co Radio alarm system having preselected code sequences
JPS5292561A (en) * 1976-01-29 1977-08-04 Seiko Instr & Electronics Ltd Electronic clock for blind people
US4321591A (en) * 1980-02-05 1982-03-23 Thomas Vieweg Portable, self-powered multiple warning device
EP0184606A3 (de) * 1984-12-05 1988-03-30 A.T. & E. LABORATORIES, INC. Aufruf-Uhrsystem mit Zeitfensterkommunikation
US4794392A (en) * 1987-02-20 1988-12-27 Motorola, Inc. Vibrator alert device for a communication receiver
US4887291A (en) * 1987-07-23 1989-12-12 American Monitoring Systems, Inc. System for annunciating emergencies
US5007105A (en) * 1987-08-14 1991-04-09 Nec Corporation Watch type paging receiver
US5023504A (en) * 1990-04-26 1991-06-11 Motorola, Inc. Piezo-electric resonant vibrator for selective call receiver

Also Published As

Publication number Publication date
DE69400954D1 (de) 1997-01-02
EP0683913A1 (de) 1995-11-29
FR2701583B1 (fr) 1995-09-22
DE69400954T2 (de) 1997-06-12
WO1994018652A1 (fr) 1994-08-18
FR2701583A1 (fr) 1994-08-19
ATE145490T1 (de) 1996-12-15

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