EP0917933B1 - Méthode de tranfert de données entre un rasoir et un dispositif de nettoyage, et appareil construit en fonction - Google Patents

Méthode de tranfert de données entre un rasoir et un dispositif de nettoyage, et appareil construit en fonction Download PDF

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Publication number
EP0917933B1
EP0917933B1 EP98114442A EP98114442A EP0917933B1 EP 0917933 B1 EP0917933 B1 EP 0917933B1 EP 98114442 A EP98114442 A EP 98114442A EP 98114442 A EP98114442 A EP 98114442A EP 0917933 B1 EP0917933 B1 EP 0917933B1
Authority
EP
European Patent Office
Prior art keywords
signal
shaving apparatus
cleaning device
soiling
evaluation unit
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
EP98114442A
Other languages
German (de)
English (en)
Other versions
EP0917933A2 (fr
EP0917933A3 (fr
Inventor
Frank Dr. Beerwerth
Wolfgang Dr. Brey
Norbert Geister
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.)
Braun GmbH
Original Assignee
Braun GmbH
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 Braun GmbH filed Critical Braun GmbH
Publication of EP0917933A2 publication Critical patent/EP0917933A2/fr
Publication of EP0917933A3 publication Critical patent/EP0917933A3/fr
Application granted granted Critical
Publication of EP0917933B1 publication Critical patent/EP0917933B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3806—Accessories
    • B26B19/382—Built-in accessories
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D27/00—Shaving accessories
    • A45D27/46—Devices specially adapted for cleaning or disinfecting shavers or razors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3873—Electric features; Charging; Computing devices
    • B26B19/388—Sensors; Control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B26B21/4081—Shaving methods; Usage or wear indication; Testing methods
    • B26B21/4087—Usage or wear indication

Definitions

  • the present invention relates to a method for signal transmission between a razor and a cleaning device as well as appropriately designed devices
  • the cleaning device has a sensor with which it can be determined whether the shaver is connected to the mains.
  • the power supply of the shaver used in the cleaning device via a lever arm, the end of which establishes a power connection between the cleaning device and contact pins of the shaver.
  • the invention has for its object to limit the frequency of activation of the cleaning device.
  • a controller in the shaver can be connected via the holder with the cleaning device so that a signal transmission is possible. This can be done, for example, by contacting the shaver for the mains plug also this signal is transmitted. If this signal is then supplied to the cleaning device, a cleaning process can be started by the razor is optionally first brought into a specific cleaning position in the holder and then by activating the cleaning device.
  • a measuring system 104 or 105 is shown on a razor 101 for signal recording.
  • the razor 101 has a housing, for example by an accumulator is located and the mains voltage is converted.
  • a motor in this case, which may be designed as a DC motor.
  • the shaver 101 further includes a shaving head, which consists of the lower blade 102 and a non-illustrated upper blade.
  • This upper blade may consist of a shaving foil, which is attached by means of a Scherfolienarris on the razor 101.
  • the lower blade 102 is thereby reciprocated by the motor of the shaver 101 according to the arrow 103. Together with the shaving foil mounted during operation, the whiskers are thereby cut off.
  • the lower blade 102 becomes contaminated, as tallow and shaving dust settles on this lower blade 102. With a certain contamination, the shaving result is impaired.
  • a structure-borne sound pickup 104 can be attached directly to the movable lower blade 102.
  • the noise during shaving can then be recorded, wherein frequencies in the structure-borne sound range can be distinguished.
  • an airborne microphone 105 may also be provided. By means of this airborne microphone 105 then the noise can be recorded while shaving, with frequencies in the audible range can be distinguished.
  • the shaver 101 may comprise, for example, a microprocessor by means of which e.g. also the state of charge of the accumulator can be determined.
  • This microprocessor, the signal of the structure-borne sound pickup 104 and the airborne microphone 105 are supplied and then evaluated in the microprocessor accordingly.
  • this airborne microphone 105 can be mounted directly on the housing of the shaver 105.
  • the signal supply to the microprocessor also located in the shaver housing is then easier than with the use of a structure-borne sound pickup 104, in which the signal on the movable connection of the movable lower blade 102 with the shaver 101 must be transmitted.
  • a high-pass filter whose cut-off frequency can be, for example, 10 kHz, for filtering the running noises of the motor which disturb the signal evaluation.
  • a piezoelectric film can be used as a structure-borne sound pickup 104. If the movable lower blade 102 is formed as a tube knife block which is mounted on a plastic carrier, the piezoelectric film can be introduced between these plastic carrier and the tube cutter block. Since the structure-borne sound pickup 104 is mounted directly on the movable lower blade 102, this disturbing running noise of the engine significantly lower impact. Thus, the signal is detected directly without a disturbing background. For this reason, signal filtering may possibly be dispensed with.
  • Fig. 2 shows a flowchart of a method for signal evaluation, with the pollution of the shaver 101 can be derived.
  • step 201 the signal of the measuring system is recorded.
  • a frequency analysis of the signal is then made.
  • a decomposition of the signal can be made in its spectral components. It is also possible to determine the power density spectrum. It is then determined the frequency at which the spectral decomposition of the signal gives a maximum value. This frequency then corresponds to the natural frequency of the movable lower or upper blade.
  • this frequency is then compared with a nominal value of the natural frequency of the movable lower or upper blade.
  • This nominal value of the natural frequency corresponds to the natural frequency of the movable lower or upper blade in the case of a clean shaver 101. If the determined natural frequency is smaller than the desired value of the natural frequency by more than a specific threshold value, a transition is made to step 204.
  • step 204 In a transition to step 204 can be concluded that the lowering of the natural frequency was carried out by such a strong pollution that a cleaning of the shaver 101 is necessary or at least useful.
  • a signal is then generated which, for example, drives a display device perceptible to the user of the razor 101 or causes the razor 101 to be cleaned.
  • step 203 If the check in step 203 has shown that the determined natural frequency is not smaller than the desired value of the natural frequency by more than a specific threshold value, then it can be concluded that no cleaning is necessary. The procedure can then be ended.
  • Fig. 3 shows a procedure how the setpoint can be determined.
  • the target value for the movable lower or upper blade of a razor type is fixed. This approach is very easy to carry out, because only for a particular type of shaver, this setpoint must be stored in the microprocessor.
  • the natural frequency is determined during commissioning of the shaver 101 in step 301 and this value of the natural frequency is stored in step 302 as a setpoint.
  • This setpoint is then used in the following with the currently determined natural frequency in the sequence according to Fig. 2 used.
  • Commissioning can be carried out as part of a functional test at the factory of the manufacturer or else be the first commissioning by the user.
  • the setpoint value is also adapted here if the movable lower or upper blade is exchanged during the lifetime of the razor 101. The setpoint is then not held at a predetermined value.
  • step 401 it is checked in step 401 whether the movable lower or upper blade has been removed. If this is not the case, the procedure is according to Fig. 4 completed.
  • the natural frequency is first determined in step 402 and this value of the natural frequency is stored in step 403 as the desired value.
  • This setpoint is then used in the following with the currently determined natural frequency in the sequence according to Fig. 2 used.
  • step 501 it is checked in step 501 whether the new setpoint deviates from the old setpoint by more than a predetermined threshold. If this is the case, it can be concluded that a new movable lower or upper blade has been used. In this case, in step 502, a counter device or other device is normalized, by means of which the necessity of an exchange of the movable upper or upper blade is to be determined.
  • the setpoint value is also adapted here if the movable lower or upper blade is exchanged during the lifetime of the razor 101. The setpoint is then not held at a predetermined value.
  • step 601 it is checked in step 601 whether the natural frequency currently determined during operation has experienced a sudden increase compared to the natural frequency during the last shave. It is therefore checked whether the currently determined natural frequency is larger by more than a certain amount than the natural frequency determined during the last shave. If this is not the case, the procedure according to Fig. 6 completed.
  • step 602 the current value of the natural frequency is stored as the new desired value of the natural frequency.
  • This new setpoint will then be determined by the currently determined natural frequency in the sequence according to FIG Fig. 2 used.
  • the new setpoint After the new setpoint has been determined, it can also be determined whether an exchange of the movable lower or upper knife took place. It is possible that the movable lower blade 102 or upper blade was removed to clean it and reinsert after cleaning. In this case, therefore, the newly determined setpoint will correspond to the previous setpoint. Depending on the extent of the change in the desired value with the manufacturing tolerance, it is also conceivable, after a sudden change in the natural frequency in the sense of an increase in frequency from the deviation of the newly determined desired value from the previous desired value, to conclude whether the movable lower blade 102 or Upper blade The same as before or whether a new lower blade 102 or upper blade was used.
  • step 603 It is checked in step 603 whether the new setpoint deviates from the old setpoint by more than a predetermined threshold. If this is the case, it can be concluded that a new movable lower or upper blade has been used. In this case, in step 604, a counter device or other device is normalized, by means of which the necessity of an exchange of the movable upper or upper knife is to be determined.
  • Fig. 7 shows an evaluation unit 701, which may be, for example, a microprocessor in the shaver housing. From this micro-processor, for example, a signal may then be output to an output device 702 when the need for cleaning of the razor 101 has been recognized. Likewise, a signal can be output when the need for a change of the movable lower or upper blade has been detected.
  • the signal can be displayed to the user optically, acoustically and / or haptically - for example, by a clocking of the speed. It is advantageous if the acoustic or optical signal is displayed to the user for a certain time after switching off the shaver 101.
  • Fig. 8 shows a cleaning device 801, in which the shaver 101 can be introduced. This is done, for example, so that the shaving head of the shaver 101 is introduced downward. From the evaluation unit 701, which is located in the shaver 101, then, in the event that the need for cleaning the shaver 101 has been detected, a signal via the power supply of the shaver 101 can be output. The cleaning device 801 is connected to the shaver 101 via this power contact of the shaver 101. As a result, this signal can be supplied to the evaluation unit 701 of the cleaning device 801. However, it is also conceivable to supply the cleaning device 801 with the signal of the evaluation unit 701 by remote data transmission.
  • the cleaning device 801 in this case has retaining bolts 802, which hold the razor 101 in an upper position when no cleaning is to take place and the cleaning device 801 is to be used, for example, only for the storage of the razor 101.
  • these retaining bolts 802 are withdrawn, for example, by electromagnets and the shaver 101 is brought into a lower position.
  • the cleaning device 801 operates, which may be, for example, that the cleaning liquid 803, which is located in the cleaning device 801, is pumped around to perform a cleaning of the shaver 101.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (7)

  1. Procédé de transmission de signal entre un rasoir (101) et un dispositif de nettoyage (801), le rasoir (101) présentant une unité d'analyse (701) pour la détermination de l'encrassement, qui émet si besoin un signal d'encrassement, le procédé présentant les étapes suivantes :
    o reconnaissance de la nécessité d'un nettoyage du rasoir (101) par l'unité d'analyse (701) du rasoir (101) ;
    o Raccordement du dispositif de nettoyage (801) avec le rasoir (101) par le biais du contact de réseau du rasoir (101),
    o Emission du signal d'encrassement par le raccordement au réseau du rasoir (101) et acheminement du signal d'encrassement au dispositif de nettoyage (801).
  2. Procédé de transmission de signal entre un rasoir (101) et un dispositif de nettoyage (801), dans lequel le rasoir (101) présente une unité d'analyse (701) pour la détermination de l'encrassement qui donne si besoin un signal d'encrassement, le procédé présentant les étapes suivantes :
    o reconnaissance de la nécessité d'un nettoyage du rasoir (101) par l'unité d'analyse (701) du rasoir (101);
    o puis acheminement du signal d'encrassement au dispositif de nettoyage (801) par transmission des données.
  3. Procédé selon la revendication 1 ou 2, qui présente l'étape suivante :
    o Début d'un nettoyage du rasoir (101) par le dispositif de nettoyage en fonction du signal d'encrassement acheminé.
  4. Dispositif de nettoyage (801) d'un rasoir (101), dans lequel un rasoir (101) peut être inséré, qui présente un raccordement au réseau avec un contact et dans lequel se trouve une unité d'analyse (701) pour émettre un signal d'encrassement, le dispositif de nettoyage (801) pouvant être raccordé par le contact avec le rasoir (101) et le dispositif de nettoyage (801) est équipé pour recevoir le signal d'encrassement du rasoir (101) acheminé par le raccordement de réseau.
  5. Dispositif de nettoyage (801) d'un rasoir (101) dans lequel se trouve une unité d'analyse (701) pour émettre un signal d'encrassement avec un dispositif de télétransmission des données pour l'acheminement d'un signal d'encrassement du rasoir (101), qui présente un dispositif de télétransmission des données.
  6. Rasoir (101) présentant une unité d'analyse (701) pour la détermination de l'encrassement par laquelle si besoin, un signal d'encrassement peut être déposé, le signal d'encrassement pouvant être émis par un raccordement de réseau du rasoir (101) et être acheminé à un dispositif de nettoyage (801).
  7. Système constitué d'un rasoir (101) selon la revendication 6 et d'un dispositif de nettoyage (801) selon l'une des revendications 4 ou 5.
EP98114442A 1996-02-23 1996-12-23 Méthode de tranfert de données entre un rasoir et un dispositif de nettoyage, et appareil construit en fonction Expired - Lifetime EP0917933B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19606719 1996-02-23
DE19606719A DE19606719C2 (de) 1996-02-23 1996-02-23 Verfahren zur Bestimmung der Verschmutzung eines Rasierapparates sowie Vorrichtung zur Durchführung des Verfahrens
EP96944646A EP0909232B1 (fr) 1996-02-23 1996-12-23 Procede et dispositif pour determiner l'encrassement d'un rasoir

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP96944646A Division-Into EP0909232B1 (fr) 1996-02-23 1996-12-23 Procede et dispositif pour determiner l'encrassement d'un rasoir
EP96944646A Division EP0909232B1 (fr) 1996-02-23 1996-12-23 Procede et dispositif pour determiner l'encrassement d'un rasoir
EP96944646.7 Division 1997-08-28

Publications (3)

Publication Number Publication Date
EP0917933A2 EP0917933A2 (fr) 1999-05-26
EP0917933A3 EP0917933A3 (fr) 2004-11-03
EP0917933B1 true EP0917933B1 (fr) 2012-01-18

Family

ID=7786174

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98114442A Expired - Lifetime EP0917933B1 (fr) 1996-02-23 1996-12-23 Méthode de tranfert de données entre un rasoir et un dispositif de nettoyage, et appareil construit en fonction
EP96944646A Expired - Lifetime EP0909232B1 (fr) 1996-02-23 1996-12-23 Procede et dispositif pour determiner l'encrassement d'un rasoir

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP96944646A Expired - Lifetime EP0909232B1 (fr) 1996-02-23 1996-12-23 Procede et dispositif pour determiner l'encrassement d'un rasoir

Country Status (8)

Country Link
US (1) US6189215B1 (fr)
EP (2) EP0917933B1 (fr)
JP (2) JP2000513599A (fr)
CN (1) CN1128698C (fr)
AT (2) ATE213689T1 (fr)
DE (2) DE19606719C2 (fr)
HK (1) HK1016924A1 (fr)
WO (1) WO1997030827A1 (fr)

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EP3548231B1 (fr) * 2016-12-01 2021-01-20 Koninklijke Philips N.V. Appareil de coupe de cheveux comprenant un détecteur de courant
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US10960560B2 (en) 2018-01-19 2021-03-30 The Gillette Company Llc Method for generating user feedback information from a shave event
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US11117276B2 (en) 2018-01-19 2021-09-14 The Gillette Company Llc Method for generating user feedback information from a shave event
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Also Published As

Publication number Publication date
US6189215B1 (en) 2001-02-20
DE19606719C2 (de) 1997-12-11
ATE541686T1 (de) 2012-02-15
ATE213689T1 (de) 2002-03-15
EP0909232B1 (fr) 2002-02-27
CN1128698C (zh) 2003-11-26
DE59608811D1 (de) 2002-04-04
EP0917933A2 (fr) 1999-05-26
JPH11192389A (ja) 1999-07-21
JP4059578B2 (ja) 2008-03-12
EP0909232A1 (fr) 1999-04-21
EP0917933A3 (fr) 2004-11-03
DE19606719A1 (de) 1997-08-28
HK1016924A1 (en) 1999-11-12
JP2000513599A (ja) 2000-10-17
WO1997030827A1 (fr) 1997-08-28
CN1209088A (zh) 1999-02-24

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