WO2001011847A1 - Combine telephonique avec coupure automatique du microphone et procede de coupure correspondant - Google Patents
Combine telephonique avec coupure automatique du microphone et procede de coupure correspondant Download PDFInfo
- Publication number
- WO2001011847A1 WO2001011847A1 PCT/FR2000/002208 FR0002208W WO0111847A1 WO 2001011847 A1 WO2001011847 A1 WO 2001011847A1 FR 0002208 W FR0002208 W FR 0002208W WO 0111847 A1 WO0111847 A1 WO 0111847A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- microphone
- user
- ear
- listening
- face
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/68—Circuit arrangements for preventing eavesdropping
Definitions
- the present invention relates to a telephone handset comprising a box provided with a listening face suitable for being in contact with the ear of a user, a microphone and means for automatically cutting off the microphone.
- It also relates to a method for automatically switching off a telephone handset microphone.
- FR-A-2,496,366 telephone handsets provided with an automatic microphone cut-off switch by push button, actuated when the roof of the handset is placed on a surface.
- Such a mechanical action is not easy to implement, in the absence of a flat surface nearby, for example, and does not always guarantee the security of confidentiality, for example if the push button has been improperly engaged.
- the present invention aims to provide a handset and a method which meet the requirements of practice better than those previously known, in particular in that it makes it possible to integrate into the handset an automatic microphone cut-off system which is perfectly reliable, simple and inexpensive to enforce.
- the present invention proposes in particular a telephone handset comprising a box provided with a listening face suitable for being in contact with the ear of a user, with a microphone and with means for automatically cutting off the microphone, characterized in that said cutting means comprise sensor means arranged to automatically cut the microphone as soon as the user moves the listening face away from his ear.
- Contact may cause slight pressure.
- light pressure is meant a pressure less than about 50 g / cm 2 , advantageously less than about 20 g / cm 2 .
- the sensor means comprise at least one mechanical microswitch actuated by pressure.
- the actuation pressure is less than 20g / cm 2 , for example less than 10g / cm 2 , or even less than 5g / cm.
- the microswitch cuts off the microphone when it is at rest (in non-actuated mode);
- the cutting means comprise a movable or deformable membrane integral with the listening face, adapted to actuate the microswitch or microswitches when the pressing force on the membrane is greater than a determined value.
- the handset includes means for supporting the listening face on a rigid surface, for example flat, arranged to prevent one actuation of the cutting means in the event of pressing said listening face on such a flat surface ;
- the sensor means comprise at least one infrared sensor.
- the remoteness of the listening face from contact with the ear modifies the caloric environment of the sensor, which triggers the microphone to be cut off.
- the handset further comprises means for automatic disconnection of the telephone communication, after a determined duration of microphone cut-off by said cut-off means;
- the handset includes means for adjusting by the user of said determined duration before automatic disconnection of telephone communication; - The handset includes means for visual signaling of the microphone cutoff.
- the invention also provides a method for automatically cutting off the microphone of a telephone handset provided with a housing with listening face suitable for being in contact with the ear of the user, characterized in that, in order to cut the microphone , the user moves the listening face away from the ear contact.
- the microphone being cut off the telephone call is then automatically cut off after a determined period, for example adjustable by the user.
- FIG. 1 is a simplified diagram of a communication system implementing handsets according to one invention.
- FIG. 2 gives a general electrical diagram of the switching means used in the embodiment in the handset according to the invention more particularly described here.
- FIG. 3 is a detailed electrical diagram of an embodiment of the breaking means of FIG. 2.
- FIG. 4 and 5 respectively show a side view and a partial front view of a handset according to an embodiment of the invention.
- FIG. 1 shows a system 1 for transmitting telephone communications between users of the switched telephone network.
- the system includes portable 6 and 6 '' handsets and 6 'handsets connected to the network by a cable 7.
- Each handset has a housing 8, 8 ', 8'', a listening face 9, 9', 9 '' suitable for being in contact with the user's ear (not shown) and (see FIG. 2) means 10 for automatically cutting off the microphone 11 according to the invention.
- the telephone handset comprises, in a known manner, a loudspeaker and electrical and connection circuits with the network such as a keyboard, contactors, amplifiers, etc. (not shown), as well as a battery o ⁇ means 12 of a_ .menta ⁇ on in direct current of 3 Volts.
- the breaking means 10 comprise sensor means 13 connected, on one side to the 3-volt supply, and on the other side 14 one to an inverter circuit 15, the output of which attacks an OR gate 16.
- the other input el of gate 16 corresponds to a function already existing on telephone handsets making it possible to manually switch off the microphone by pressing a key on the telephone.
- the output of the door 16 is connected to the microphone 11 and makes it possible to cut it or not depending on the state of the sensor 13.
- Two types of sensor are essentially usable, namely mechanical sensors and infrared sensors.
- the mechanical sensor (s) can be subminiature micro-sensors of the DB series with contacts, of the type inverters, for example manufactured by the company MOTOROLA, for example under the reference 161-5293.
- the infrared sensor (s) are, for example, photodiodes manufactured by the company MOTOROLA, and for example sold under the references TLS250 or TLS260.
- the handset further includes "means of automatic disconnection of the telephone line 17 after a determined duration of mute the microphone
- the output 14 of the sensor 13 is also connected to an input 18 for resetting a counter 19, connected to a clock circuit 20.
- the counter 19 drives a buffer circuit 21
- the other input of the OR gate 22 makes it possible to manually trigger the cut of the line 17, in a known manner, by pressing a key on the telephone.
- FIG. 3 gives a more detailed electrical diagram of an embodiment of the cut-off means 10 of FIG. 2, implementing by way of example a set of integrated circuits in CMOS technology.
- the clock is here produced by a component 24 of the HEF 4047 CMOS type, operating in astable multivibrator mode, which implies a connection mode according to the diagram in FIG. 3. Supplied at 3 volts, the clock provides a niche voltage of period T, with a value between 0V and 3V, the value of T depending on the resistance R and the capacitor C.
- the resistance R belongs to a potentiometer 25. L The user can thus adjust the clock frequency for example between 2 minutes and 10 minutes.
- the senor is made from component 25 of the HC 4040 CMOS type.
- the component is a 12-bit counter supplied with
- the clock 24 attacks the input CLK 10 of the component 26.
- the output 27 of the sensor 28 is in turn connected to one of the terminals 11 of the circuit controlling the reset key.
- the output of the sensor 28 is also connected at 29 to the microphone output, as we have also seen with reference to FIG. 2.
- FIGS. 4 and 5 show an embodiment of a telephone handset 32 according to the invention comprising a housing 33 comprising a handle for manual gripping by a user, the handle being provided at its ends, on one side of a portion 35 comprising the microphone, and on the other side of an earpiece portion 36 provided with a loudspeaker (not shown) and comprising a listening face 37 formed by an openwork wall of the earpiece.
- the listening face 37 comprises a flexible membrane 38 fixed on the periphery 39 of the perforated wall, for example by bonding, and is for example closed by a. larcev .. from 1 to 3 cm.
- the membrane here comprises on its lower part 40, directed towards the side of the portion 35 of the handset, an internal face of contact with a mechanical switch 41, for cutting off the microphone when no pressure is exerted on said membrane at this location.
- the mechanical switch is set for a low pressure value, for example between 15 g and 100 g (1 newton), for example 25 grams.
- M is as soon as the pressure stops, there is mute of the microphone.
- the handset further comprises means 42 for adjusting the cutoff circuit of the telephone line after a determined time.
- FIGS 6, 7 and 8 show another embodiment of a handset 44 according to the invention.
- the listening face 45 here comprises a rigid membrane 46, permeable to sound, covering the loudspeaker 47 of the handset, for example circular.
- the membrane has a lower part? showing a growth
- the membrane is also applied to the periphery of the sheet face to which it is fixed in the upper part on a portion of its periphery 51 in a flexible manner, to allow the slight displacement of the membrane actuating the switch when one presses. above.
- the user who calls, or who is called on the network picks up the sound. téiépr.cne and connects it via a button after dialing the number of his contact.
- the handset not being applied by the user on his ear, the microphone 11 is not active, the sensor 13 not being actuated. No current therefore passes through the resistor 13 ′ and the input of the contact of the microphone therefore remains in the low state, that is to say that the microphone is cut off.
- the reset input 18 of the counter 19 is also released, which causes the counter 19 to start counting, playing a timer role the duration of which was initially reset by the user, via a
- the ".icrc n.cne is dcn.c connected.
- the counter reset input is also high, the counter (timer) does not work and the line remains connected.
- the present invention is not limited to the embodiments more particularly described.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00956586A EP1236334A1 (fr) | 1999-08-09 | 2000-08-01 | Combine telephonique avec coupure automatique du microphone et procede de coupure correspondant |
AU68478/00A AU6847800A (en) | 1999-08-09 | 2000-08-01 | Telephone handset with automatic microphone switch-off and corresponding switch-off method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9910332A FR2797544B1 (fr) | 1999-08-09 | 1999-08-09 | Combine telephonique avec coupure automatique du microphone et procede de coupure correspondant |
FR99/10332 | 1999-08-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001011847A1 true WO2001011847A1 (fr) | 2001-02-15 |
Family
ID=9549034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2000/002208 WO2001011847A1 (fr) | 1999-08-09 | 2000-08-01 | Combine telephonique avec coupure automatique du microphone et procede de coupure correspondant |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1236334A1 (fr) |
AU (1) | AU6847800A (fr) |
FR (1) | FR2797544B1 (fr) |
WO (1) | WO2001011847A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003236003A1 (en) * | 2002-04-10 | 2003-10-20 | Matsushita Electric Industrial Co., Ltd. | Speech control device and speech control method |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2284256A7 (fr) * | 1975-06-26 | 1976-04-02 | Serres Bernard | Perfectionnements aux combines pour postes telephoniques |
GB2087686A (en) * | 1980-10-17 | 1982-05-26 | Lambda Tele Equipment Ltd | One piece telephones |
FR2496366A1 (fr) * | 1980-12-16 | 1982-06-18 | Horlogerie Photograph Fse | Combine telephonique muni d'un interrupteur de coupure de microphone |
US4529843A (en) * | 1983-08-25 | 1985-07-16 | Gte Business Communication Systems Inc. | Subscribers telephone hold circuit with automatic disconnect |
JPS61258550A (ja) * | 1985-05-10 | 1986-11-15 | Toyo Commun Equip Co Ltd | 電話機の制御方法 |
GB2256772A (en) * | 1991-05-28 | 1992-12-16 | So Hing Chung | Telephone with proximity switch |
EP0541439A1 (fr) * | 1991-11-08 | 1993-05-12 | HYGIAPHONE V.B. société anonyme | Dispositif de communication auditive comportant un detecteur de proximité |
-
1999
- 1999-08-09 FR FR9910332A patent/FR2797544B1/fr not_active Expired - Fee Related
-
2000
- 2000-08-01 WO PCT/FR2000/002208 patent/WO2001011847A1/fr not_active Application Discontinuation
- 2000-08-01 EP EP00956586A patent/EP1236334A1/fr not_active Withdrawn
- 2000-08-01 AU AU68478/00A patent/AU6847800A/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2284256A7 (fr) * | 1975-06-26 | 1976-04-02 | Serres Bernard | Perfectionnements aux combines pour postes telephoniques |
GB2087686A (en) * | 1980-10-17 | 1982-05-26 | Lambda Tele Equipment Ltd | One piece telephones |
FR2496366A1 (fr) * | 1980-12-16 | 1982-06-18 | Horlogerie Photograph Fse | Combine telephonique muni d'un interrupteur de coupure de microphone |
US4529843A (en) * | 1983-08-25 | 1985-07-16 | Gte Business Communication Systems Inc. | Subscribers telephone hold circuit with automatic disconnect |
JPS61258550A (ja) * | 1985-05-10 | 1986-11-15 | Toyo Commun Equip Co Ltd | 電話機の制御方法 |
GB2256772A (en) * | 1991-05-28 | 1992-12-16 | So Hing Chung | Telephone with proximity switch |
EP0541439A1 (fr) * | 1991-11-08 | 1993-05-12 | HYGIAPHONE V.B. société anonyme | Dispositif de communication auditive comportant un detecteur de proximité |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 011, no. 110 (E - 496) 7 April 1987 (1987-04-07) * |
Also Published As
Publication number | Publication date |
---|---|
AU6847800A (en) | 2001-03-05 |
FR2797544B1 (fr) | 2001-10-19 |
EP1236334A1 (fr) | 2002-09-04 |
FR2797544A1 (fr) | 2001-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0766438B1 (fr) | Système téléphonique sans fil avec dispositif périphérique contrôlé à distance | |
FR2768585A1 (fr) | Telephone mobile a ecoute amplifiee | |
EP0135961B1 (fr) | Dispositif pour le réglage d'un signal électrique délivré sur une prise à logement cylindrique | |
EP3333870B1 (fr) | Commutateur électrique | |
FR2563673A1 (fr) | Appareil telephonique sans fil | |
FR2762173A1 (fr) | Appareil de communication, notamment de type telephonique | |
EP0287511B1 (fr) | Appareil téléphonique | |
WO2001011847A1 (fr) | Combine telephonique avec coupure automatique du microphone et procede de coupure correspondant | |
FR2791508A1 (fr) | Telephone portable avec volet articule par rapport au boitier | |
FR2648976A1 (fr) | Appareil telephonique | |
EP0732023B1 (fr) | Dispositif de commutation pour un poste telephonique a combine permettant la commutation d'un appareil annexe par substitution | |
FR2719720A1 (fr) | Dispositif de sécurité pour un élément électrique mobile et barbecue électrique équipé d'un tel dispositif. | |
FR2884673A1 (fr) | Dispositif de conference telephonique de type "mains libres" interfacable a une pluralite de radiotelephones, oreillettes ou combines mains-libres | |
FR2841718A1 (fr) | Terminal mobile concu pour etre utilisable simultanement par plusieurs utilisateurs et application du terminal mobile a un systeme de traduction simultanee | |
EP2353446B1 (fr) | Système et procédé d'activation automatique de tiroir de mobilier et mobilier equipe d'un tel système | |
EP0696074A1 (fr) | Borne collectrice pour la mise en contact d'une pile pour l'alimentation d'un circuit électronique, circuit électronique et émetteur de télécommande l'incorporant | |
FR2669767A1 (fr) | Contacteur pour clavier de commande, et appareil audio-video comportant un tel contacteur. | |
EP0504864A1 (fr) | Appareil téléphonique comportant un premier et un second combiné | |
EP2673945B1 (fr) | Systeme de communication telephonique comprenant une station d'accueil comportant un logement destine a recevoir un telephone mobile | |
EP0444999B1 (fr) | Télécopieur à appel manuel | |
FR2977110A3 (fr) | Terminal de telecommunication | |
CH623695A5 (fr) | ||
WO2007096556A1 (fr) | Terminal de communication mobile bidirectionnelle comprenant une fonction d'acquisition de contexte | |
EP1427113A1 (fr) | Ensemble à microphone et haut-parleur destiné à cooperer avec un téléphone mobile | |
FR2923132A1 (fr) | Dispositif de communication audio assiste. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2000956586 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 2000956586 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2000956586 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: JP |