• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    HAIR CUTTING APPLIANCE. A hair clipper (1) comprising a hair clipper body (3); and an exchangeable comb unit (2) to define a length of hair after cutting. The body of the hair clipper (3) further comprises a comb interface for releasably securing the comb unit (2) to the body of the hair clipper (3); a hair length indicator (7) operatively coupled to the comb interface to indicate the hair length to a user. The exchangeable comb unit (2) comprises a comb identification member (11; 13) identifying a length of hair associated with the comb unit (2); and the comb interface comprises a comb recognition arrangement (10; 14a-b) electrically coupled to the hair length indicator (7). the comb recognition arrangement (10; 14a-b) is configured to detect the comb identification member (11; 13) when the comb unit (2) is connected to the body of the hair clipper (3), and to provide an electronic signal indicating the length of hair associated with the comb unit (2) for the hair length indicator (7).
    公开号:BR112012011375B1
    申请号:R112012011375-5
    申请日:2010-11-10
    公开日:2021-01-12
    发明作者:Dirk Hendrik Wevers；Hendrik Jan Mark Van Der Worp；Auke Tuinstra；Johan Willem Berenschot；Hedzer Michiel Adriaan Van Der Kamp；Willem Joosten；Marcel Hilco Zijlstra；Ishay Halmut；Jeroen Christian Nijdam
    申请人:Koninklijke Philips N.V.；
    IPC主号:
    专利说明:

    [0001] The present invention relates to a hair cutting apparatus comprising a hair cutting body and an interchangeable comb unit for defining a length of hair after cutting. HISTORY OF THE INVENTION
    [0002] Currently available hair cutting devices usually have a hair cutting body with an electric motor that powers the cutting knives to cut the hair of a person or a pet. The length of the hair after cutting is usually determined by selecting an exchangeable comb unit properly, defining the distance between the skin and the cutting blades.
    [0003] For the convenience of the user, some hair clippers allow the comb unit to be moved so that the length of the hair can be changed within a hair length range that is supported by the specific comb unit.
    [0004] In addition to allowing such movement of the comb unit in relation to the cutting blades, the hair cutter presented by WO 2006/134576 provides a graphical indication of the hair length for the user, by means of a hair length indicator that it comprises a fixed stop and movable stop which move together with the comb unit when the comb unit is moved.
    [0005] In the hair clipper according to WO 2006/134576, the comb unit that is connected to the hair clipper interacts with a lever that is mechanically coupled to the movable boundaries to move them in a circumferential direction when the lever is triggered. Only one of the movable boundaries at a time is visible to the user, through a transparent window. Selectively activating the levers on opposite sides (left and right) of the comb unit, two different movable boundaries can be presented to the user, depending on which comb unit is used, so that the length of hair that is indicated to the user be adapted to the comb unit that is currently mounted on the hair clipper.
    [0006] Although the hair clipper, according to WO 2006/134576, provides the user with adequate information about the hair length currently defined, additionally there seems to be room for improvement, for example, with regard to the reliability of the hair clipper. hair. SUMMARY OF THE INVENTION
    [0007] In view of the aforementioned prior art, a general objective of the present invention is to offer an improved hair cutting device, in particular a more reliable hair cutting device.
    [0008] To achieve this objective, the present invention offers a hair clipper comprising a hair clipper body, and an exchangeable comb unit for defining the length of the hair after cutting; furthermore, the body of the haircut apparatus comprises a comb interface for releasably securing the comb unit to the body of the haircut; a hair length indicator operatively coupled to the comb interface to indicate the length of hair for a user, wherein: the exchangeable comb unit comprises a comb identification member for identifying a length of hair associated with the comb unit, and the comb interface comprises a comb recognition arrangement, being electrically coupled to the hair length indicator, the comb recognition arrangement being configured to detect the identification member when the comb unit is connected to the body of the cutting device hair, and to provide an electronic signal indicating the length of hair associated with the comb unit for the hair length indicator.
    [0009] The length of the hair after cutting is generally determined by the distance between the cutting means, such as one or more blades, composed on the body of the hair clipper and the comb unit. Therefore, the comb unit defines the length of the hair after cutting.
    [0010] The comb recognition arrangement can be directly electrically coupled to one or more electronic components that are part of the hair length indicator, or it can be indirectly electrically coupled to the hair length indicator through one or more other electronic components that are part of of the hair clipper, such as the processing circuit configured to control the hair length indicator.
    [0011] The electronic signal provided by the comb recognition arrangement for the hair length indicator can be supplied directly to one or more electronic components that are part of the hair length indicator or to the processing circuit configured to control the hair length indicator. hair. Such processing circuit can be arranged in conjunction with the hair length indicator or it can be arranged elsewhere in the hair clipper and electrically connected to the hair length indicator.
    [0012] The hair length indicator can indicate the length of the hair after cutting to the user in several ways. For example, the length of the hair can be indicated by the numbers and / or using a relative scale on a display, or the length of the hair can be indicated by providing a live scale indication of the length of the hair after cutting. Such live indication can be provided electronically or mechanically or through a combination thereof.
    [0013] The present invention is based on the finding that an improved and more reliable haircut can be obtained by reducing the number of moving parts compared to the prior art. In addition, the present inventors have found that an advantageous way of reducing the number of moving parts is to provide an electrical coupling between the comb recognition arrangement and the hair length indicator, and to configure the arrangement to provide an indicative electronic signal. the length of the hair that is associated with the comb unit, with which the hair clipper is currently equipped for the hair length indicator.
    [0014] By this means, the mechanical arrangement that translates a linear displacement to a rotational movement in the hair cutting device according to WO 2006/134576 can be dispensed with, which provides for a mechanically simpler and more robust hair cutting device.
    [0015] It is also expected that the hair clipper, according to various embodiments of the present invention, will be easier to remove water, if applicable.
    [0016] In addition, providing the hair length (and possibly one or more other characteristics) associated with a specific comb unit for the hair length indicator in electronic form facilitates the indication of more than two comb units. The use of a comb recognition arrangement with two sensors, such as digital keys, allows for four digital states, which could correspond to a state without a fixed comb unit and three different comb units. If the comb recognition arrangement is provided with additional sensors and / or sensor states, more comb units can be recognized and signals indicating the different comb units are easily transmitted to the hair length indicator.
    [0017] In addition, since no mechanical force needs to be transmitted from the comb recognition arrangement to the hair length indicator, which is typically arranged on the other side of the hair clipper and at a distance from the styling unit. comb, the hair cutting apparatus according to various embodiments of the present invention, should also be easier to operate for the user, especially when changing the comb units.
    [0018] According to various embodiments of the present invention, the hair clipper can additionally comprise a user-controllable actuator that is mechanically connected to the comb unit to control a position of the comb unit in relation to the body of the hair clipper, to allow adjustment of the hair length within an accessible hair length range using the comb unit.
    [0019] The user-controllable actuator can be an actuator that the user moves to adjust the length of the hair. In this case, the force exerted by the user when moving the actuator is transmitted to the comb unit, possibly through some mechanical transmission.
    [0020] On the other hand, the user-controllable actuator can be electrically operated to control the position of the comb unit in response to a signal provided by the user.
    [0021] To always be able to provide the user with the current hair length after cutting, the user-controllable actuator can be operationally coupled to the hair length indicator. The coupling between the user-controllable actuator can be mechanical, electronic or a combination of these.
    [0022] In the case of a mechanical coupling, a moving part of the hair length indicator can be mechanically coupled to the user-controlled actuator, such that a certain movement of the user-controllable actuator leads to substantially equally wide displacements of the comb and hair length indicator, respectively. On the other hand, there may be some dimensioning of the respective displacements.
    [0023] In the case of an electronic or mechanical / electronic coupling, a certain state of the actuator controlled by the user may correspond to the length of the hair to be electronically indicated by the hair length indicator, by means of an electronic bar indicating the length of the hair or by means of of numbers or a combination of these.
    [0024] According to various embodiments, the hair length indicator can comprise at least a first light source and a second light source arranged to be selectively activated based on the electronic signal provided by the comb recognition arrangement.
    [0025] This provides intuitive communication to the user of the current hair length, without having to equip the hair clipper with a large display or an intricate mechanical solution.
    [0026] Advantageously, the first light source can be arranged to indicate the first hair length range associated with the first comb unit, and the second light source can be arranged to indicate a second hair length range associated with a second hair unit. comb.
    [0027] The first light source and said second light source can be arranged with a fixed distance between them.
    [0028] According to several exemplary embodiments, the hair length indicator can comprise a mobile mask with a translucent pattern, being disposed between the first and the second light source and a user of said hair clipper.
    [0029] The translucent pattern can comprise a first indicator visible to the user only when the first light source is activated, and a second indicator visible to the user only when the second light source is activated.
    [0030] According to other embodiments, the first light source and the second light source can be movable to indicate the user's current hair length setting.
    [0031] The first and second light sources can, for example, be arranged on the same conveyor, such as a circuit board, which can be coupled to the user-controllable actuator, such that the conveyor moves when the actuator is controllable by the user is operated. In this case, a single moving piece can selectively indicate two or more different hair length bands, associated with different comb units, and the hair length bands are indicated by selectively activating the light source associated with the comb unit that is currently attached to the body of the hair clipper.
    [0032] According to various embodiments of the hair clipper of the present invention, the comb identification member can comprise at least one magnet, and the comb recognition arrangement can comprise at least one sensor to detect the polarity of a magnetic field generated by the magnet .
    [0033] In this case, the hair clipper can be particularly easy to seal because the detection of the magnetic field can take place through a waterproof cap on the hair clipper.
    [0034] In addition, the comb identification member may comprise a mechanical structure, and the comb recognition arrangement may comprise a set of switches that are arranged to be selectively activated by the mechanical structure. BRIEF DESCRIPTION OF THE DRAWINGS
    [0035] These and other aspects of the present invention will now be described in more detail, with reference to the accompanying drawings showing currently preferred embodiments of the invention, in which: Fig. 1 schematically illustrates an exemplary hair clipper according to an embodiment of the present invention; Fig. 2 schematically illustrates the identification of a comb unit using a magnet and the corresponding sensor; Fig. 3 schematically illustrates the identification of a comb unit using a mechanical structure configured to selectively activate a switch from a set of switches; Figs. 4a-c schematically illustrate a first embodiment of the hair cutting apparatus according to the present invention, which comprises the first and second individually controllable light sources, arranged to illuminate a mobile mask; and Fig. 5 schematically illustrates a second embodiment of the hair cutting apparatus according to the present invention, which comprises the first and second individually controllable light sources, arranged on a mobile conveyor. DESCRIPTION OF A PREFERRED EMBODIMENT OF THE PRESENT INVENTION
    [0036] In the following description, the present invention is described with reference to a hair cutting apparatus in which the comb unit is movable through mechanical coupling between the comb unit and a user-controllable actuator, arranged to be operated directly by the user. It should be noted that this in no way limits the scope of the invention, which is equally applicable to other hair clippers, in which the comb unit is moved by a motor that is operated by the user.
    [0037] Fig. 1 is a perspective view of an exemplary hair clipper 1 comprising an exchangeable comb unit 2 and a hair clipper body 3. The hair clipper body 3 further comprises an interface comb (not visible in Fig. 1) for releasable attachment of the comb unit 2, a cutting arrangement (not shown in Fig. 1) for cutting hair, a hair length indicator 7 for indicating hair length after cutting, and a user-controllable actuator 8 in the form of a control wheel to allow the user to control the position of the comb unit 2 in relation to the cutting arrangement. As can be seen in Fig. 1, the length of the hair after cutting is determined by the properties of the comb unit 2 and the position of the comb unit 2 in relation to the cut arrangement.
    [0038] In addition, although not explicitly shown in Fig. 1, the user-controllable actuator 8 is also operatively coupled to the hair length indicator 7, so that the user operation of the user-controlled actuator 8 results in an altered reading on the indicator of hair length 7, in addition to the movement of the comb unit 2.
    [0039] Through the user-controllable actuator 8, the comb unit 2 can be moved in relation to the cutting arrangement by a certain distance, or AC, which corresponds to a range of accessible hair length CC defined by a minimum hair length CCmin CCMax , where CCmax - CCmin = ∆C.
    [0040] Obviously, in order to obtain a hair length shorter than CCmin or longer than CCmax, comb unit 2, currently attached, must be replaced by a comb unit that has a different configuration (tooth length). According to various embodiments of the hair clipper according to the present invention, each comb unit has a comb identification member, which identifies at least one characteristic of the specific comb unit, such as CCmin and / or other properties the comb unit. When the comb unit is attached to the body of the hair clipper 3, this comb identification member is detected by a comb recognition arrangement (not shown in Fig. 1) composed on the body of the hair clipper 3 .
    [0041] Two exemplary comb identification members and the corresponding comb recognition arrangements will now be described with reference to Figs 2 and 3.
    [0042] In Fig. 2, the comb identification member comprises a permanent magnet 10 which is incorporated into the comb unit 2. The body of the cutting apparatus 3 comprises a comb recognition arrangement with a magnetic field sensor 11 that can detect the presence and polarity of the permanent magnet 10. With the configuration shown in Fig. 2, the comb recognition arrangement can at least distinguish between a state with no comb units and two different comb units with magnets with opposite polarities. In order to provide recognition for other different comb units, the comb recognition arrangement may comprise one or more other magnetic field sensors.
    [0043] Now returning to Fig. 3, the comb identification member which is shown schematically comprises a mechanical structure 13 formed in the comb unit 2. The body of the hair clipper 3 comprises a comb recognition arrangement with a set of two switches 14a-b. When the exemplary comb unit illustrated 2 is connected to the body of the hair clipper 3, switch 14a is activated (lowered), while switch 14b is not activated. With the configuration shown in Fig. 3, the comb recognition arrangement can at least distinguish between a state with no comb units and three different comb units with different mechanical structures. To provide recognition for other different comb units, the comb recognition arrangement may comprise one or more additional switches.
    [0044] One way of using the signal indicating the length of hair associated with the attached comb unit, which is provided by the comb recognition arrangement, is to control the status of a stationary display arrangement comprised in the hair length indicator based on the signal. For example, the display layout may comprise an array of light sources, such as light emitting diodes (LEDs), or the display layout may be an LCD or an OLED display or the like.
    [0045] Another way to use the aforementioned signal provided by the comb recognition arrangement is to control the appearance of a hair length movement indicator based on the comb unit that is currently connected to the hair clipper.
    [0046] Below, both modes of using the signal provided by the comb recognition arrangement will be described using exemplary illustrative embodiments shown in Figs 4a-c and Fig. 5, respectively.
    [0047] In Figs 4a-c, a hair clipper 1 is shown, in which the movement of the comb unit 2 relative to the hair clipper body 3 is controlled using a user-controlled actuator substantially in the form of a ring 8, designated as the control ring 8. The hair length indicator 7 is arranged on the body side of the hair clipper 3 opposite the comb unit 2, and is provided in the form of a movable mask 20 arranged in front of a light source arrangement, in this case in the form of a segmented backlight arrangement 21.
    [0048] When the control ring 8 is connected in one direction, the comb unit 2 is pulled towards the control ring 8 and the mobile mask 20 is pushed away from the control ring 8, and when the control ring 8 is rotated in the opposite direction, the comb unit 2 is pushed away from the control ring 8 and the movable mask 20 is pulled towards the control ring 8.
    [0049] In the example currently illustrated, the length of the hair after cutting is illustrated using a pattern provided in the movable mask 20, and the signal provided by the comb recognition arrangement is used to selectively activate the segments comprised in the segmented backlight arrangement 21.
    [0050] The segmented backlight arrangement 21 comprises a first 22a and a second segment 22b which are separated by a partition 23 to prevent light leakage between the segments 22a-b. When there is no comb unit 2 attached to the body of the hair clipper 3, no segment 22a-b will light. When a comb unit 2 for short cuts is connected to the body of the hair clipper 3, the lower segment 22a lights up, and when a comb unit 2 for longer cuts is connected to the body of the hair clipper 3, the upper segment 22b lights up.
    [0051] Figs 4a-c schematically illustrate what the user sees in the exemplary case, when the hair indicator 7 comprises a segmented backlight arrangement 21, a movable mask 20 with two translucent arrows 24a-b provided, and a stationary mask 25 , with a translucent scale, the movable mask 20 and the stationary mask 25 being arranged in front of the backlight arrangement 21. In fig 4b, the comb unit for short cuts is connected to the body of the hair clipper 3, resulting in a comb recognition arrangement signal that activates the lower segment 22a of the backlight arrangement. As a result, the user sees the lower translucent arrow 24a indicating a length of hair at the bottom of the translucent scale provided on stationary mask 25. In fig 4c, the situation is shown for the case where a comb unit for a longer length of hair is attached to the body of the hair clipper 3.
    [0052] As an alternative to the segmented backlight arrangement 21 in Figs 4a-c, other types of individually controllable light sources can be arranged behind the mobile mask 20 and the stationary mask 25. For example, LEDs can be used.
    [0053] In Fig. 5, a hair clipper 1 is shown, in which the movement of the comb unit 2 relative to the hair clipper body 3 is controlled using a user-controlled actuator 8 in the form of a wheel. control arranged on the same side of the hair clipper as the comb unit 2. The hair length indicator 7 is arranged on the body side of the hair clipper 3 opposite the comb unit 2, and is provided under the in the form of a mobile circuit board 31 having the first 32a and the second 32b LED connected thereto.
    [0054] The control wheel 8 controls a spindle 30 arranged inside the body cover of the hair clipper 3. When the spindle 30 is rotated in one direction, the comb unit 2 is pulled towards the control wheel 8 and the movable circuit of the plate 31 is pushed away from the control wheel 8, and when the spindle 30 is rotated in the opposite direction, the comb unit 2 is pushed away from the flywheel 8 and the mobile circuit board 31 is pulled towards the control wheel 8.
    [0055] In the example currently illustrated, the length of the hair after cutting is illustrated using the position of one of the LEDs 32a-b with respect to a stationary scale.
    [0056] As can be seen in fig 5, the first 32a and the second 32b LEDs are arranged on the mobile circuit board 31 with a distance substantially corresponding to the ∆C of the comb unit 2. When no comb unit 2 is connected to the body of the hair clipper 3, no 32a-b LED lights. When a comb unit 2 for short cuts is connected to the body of the hair clipper 3, the lower LED 32a lights up, and when a comb unit 2 for longer cuts is attached to the body of the hair clipper 3, the upper LED 32b lights up.
    [0057] In connection with Figs 4a-c and Fig. 5, two exemplary ways to simultaneously control the position of the comb unit 2 and the hair length indicator have been described. As will be readily understood by the skilled person, there are several alternatives that are well within the scope of the present invention. For example, the movement of the user-controllable actuator can be translated into the movement of more than one axis. In addition, the user-controllable actuator can be configured by linear movement, instead of rotation movement, etc.
    [0058] The person skilled in the art recognizes that the present invention is by no means limited to the embodiments described above. For example, the user-controllable actuator can be provided through any suitable user-controllable means other than those discussed above. In particular, the user-controllable actuator can comprise, or be controlled through, user interaction with a mechanical sliding bar and / or be sensitive to the user's proximity. In the latter case, the user-controllable actuator can comprise, or be controlled through, user interaction with capacitive, optical, piezoletric or ultrasonic media.
    [0059] Likewise, the interaction between the comb recognition arrangement and the comb identification member can be based on other physical properties, in addition to the mechanical and magnetic interactions exemplified in the detailed description above. For example, the interaction between the comb recognition arrangement and the comb identification member can be based on capacitive coupling, optical detection, piezometric pressure detection, heat detection, etc.
    权利要求:
    Claims (11)
    [0001]
    HAIR CUTTING EQUIPMENT (1), comprising: a hair clipper body (3); and an exchangeable comb unit (2) to define a length of hair after cutting, said hair cutting device body (3) which further comprises: a comb interface for releasably securing said comb unit (2) to said hair clipper body (3); a hair length indicator (7) operatively coupled to said comb interface to indicate said hair length to a user, said exchangeable comb unit (2) comprises a comb identification member (11; 13) identifying the length of hair associated with said comb unit (2); and characterized by said comb interface includes a comb recognition arrangement (10, 14a-b) being electrically coupled to said hair length indicator (7), said comb recognition arrangement (10; 14a-b) configured to detect said comb identification member (11; 13) when said comb unit (2) is connected to said hair clipper body ( 3), and to provide a signal indicative of said hair length associated with said comb unit (2) with said hair length indicator (7).
    [0002]
    HAIR CUTTING EQUIPMENT (1), according to claim 1, characterized in that it additionally comprises a user-controllable actuator (8) to control a position of said comb unit (2) in relation to said haircut body ( 3) to allow adjustment of said hair length within a range of accessible hair length using said comb unit (2).
    [0003]
    HAIR CUTTING EQUIPMENT (1), according to claim 2, characterized in that said user-controlled actuator (8) is operatively coupled to said hair length indicator (7).
    [0004]
    HAIR CUTTING EQUIPMENT (1) according to claim 2 or 3, characterized in that said hair length indicator (7) comprises at least a first light source (22a; 32a) and a second light source (22b ; 32b) arranged to be selectively activated based on said electronic signal provided by said comb recognition arrangement (10, 14a-b).
    [0005]
    HAIR CUTTING EQUIPMENT (1), according to claim 4, characterized in that said first light source (22a; 32a) is arranged to indicate a first hair length band associated with a first comb unit, and said second light source (22b; 32b) is arranged to indicate a second strip of hair length to be associated with a second comb unit.
    [0006]
    HAIR CUTTING EQUIPMENT (1), according to claim 5, characterized in that said first light source (22a; 32a) and said second light source (22b; 32b) are arranged with a fixed distance between them.
    [0007]
    HAIR CUTTING EQUIPMENT (1) according to any one of claims 4 to 6, characterized in that said hair length indicator (7) comprises a movable mask (20) with a translucent pattern arranged between said first and second sources light (22a-b) and a user of said hair clipper (1).
    [0008]
    HAIR CUTTING EQUIPMENT (1), according to claim 7, characterized in that said translucent pattern comprises a first indicator (24a), being visible to the user only when said first light source (22) is activated, and a second indicator (24b) being visible to the user only when said light source (22b) is activated.
    [0009]
    HAIR CUTTING EQUIPMENT (1) according to any one of claims 4 to 6, characterized in that said first light source (32a) and said second light source (34b) are movable to indicate a current configuration of length of hair for the user.
    [0010]
    HAIR CUTTING EQUIPMENT (1) according to any one of claims 1 to 9, characterized in that said comb identification member comprises at least one magnet (11), and said comb recognition arrangement comprises at least one sensor (10) to detect a polarity of a magnetic field generated by said magnet (11).
    [0011]
    HAIR CUTTING EQUIPMENT (1) according to any one of claims 1 to 10, characterized in that said comb identification member comprises a mechanical structure (13), and said comb recognition arrangement comprises a set of switches ( 14a-b) being arranged to be selectively activated by said mechanical structure (13).
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    同族专利:
    公开号 | 公开日
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    US9393707B2|2016-07-19|
    US11027441B2|2021-06-08|
    CN102666034A|2012-09-12|
    KR20120095976A|2012-08-29|
    EP2322328A1|2011-05-18|
    US20160325443A1|2016-11-10|
    RU2012124993A|2013-12-27|
    JP5991921B2|2016-09-14|
    EP2501524B1|2015-04-22|
    WO2011061660A1|2011-05-26|
    JP2013510630A|2013-03-28|
    RU2549822C2|2015-04-27|
    BR112012011375A2|2017-10-10|
    CA2780907C|2018-03-27|
    US20120216411A1|2012-08-30|
    CN102666034B|2015-11-25|
    KR101833702B1|2018-03-02|
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    法律状态:
    2018-02-06| B25D| Requested change of name of applicant approved|Owner name: KONINKLIJKE PHILIPS N.V. (NL) |
    2018-02-20| B25G| Requested change of headquarter approved|Owner name: KONINKLIJKE PHILIPS N.V. (NL) |
    2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-07-16| B06T| Formal requirements before examination [chapter 6.20 patent gazette]|
    2020-11-10| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-01-12| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 12/01/2021, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    EP09176159.3|2009-11-17|
    EP09176159A|EP2322328A1|2009-11-17|2009-11-17|Hair cutting device with comb unit recognition|
    PCT/IB2010/055102|WO2011061660A1|2009-11-17|2010-11-10|Hair cutting device with comb unit recognition|
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