EP1326739A1 - Electrically operated hair removal device - Google Patents
Electrically operated hair removal deviceInfo
- Publication number
- EP1326739A1 EP1326739A1 EP01988648A EP01988648A EP1326739A1 EP 1326739 A1 EP1326739 A1 EP 1326739A1 EP 01988648 A EP01988648 A EP 01988648A EP 01988648 A EP01988648 A EP 01988648A EP 1326739 A1 EP1326739 A1 EP 1326739A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light
- working
- shaving
- lighting device
- light guide
- 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.)
- Granted
Links
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
-
- 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
-
- 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
- B26B19/46—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards providing for illuminating the area to be shaved or clipped
Definitions
- the invention relates to an electrically operated hair removal device according to the preamble of claim 1.
- Such a hair removal device is known from EP 0 069 468 A1.
- the electric dry shaver shown there has a housing and a translationally oscillating bottom knife, which is located under a shaving foil.
- An electrical lamp is arranged inside the housing in an area adjacent to the shaving head below the lower knife, which illuminates both the lower knife and the shaving foil with uniform light and thus illuminates the skin area to be shaved.
- the shaving head and thus also the skin area to be shaved are illuminated by the electrical lighting device, but the uniform illumination with a continuously radiating light source does not allow a suitable visualization of the mechanical work system with its work elements moving relative to one another or even a signaling of a speed and / or vibration component of the system.
- the invention is therefore based on the object of improving an electrically operated hair removal device of the type specified above in such a way that a particularly good visualization of the mechanical work system with its work elements which are moved relative to one another is achieved with little construction effort.
- the solution according to the invention is characterized in that a simple, self-explanatory, very clear and impressively clear representation of the system dynamics and its possible changes is achieved.
- a preferred embodiment of the invention provides that the required light is generated directly on the working surface of the device or is at least directly available there. This is achieved in that a lighting device is integrated in at least one of the working elements, and not only enables optimal lighting of the work surface, but also offers the possibility of corresponding light signals, for example by flashing, changing the brightness, changing the color and The like can be generated to display operationally relevant properties or information to the user without having to look away from the actual work surface.
- the lighting device is provided in at least one moving working element, in particular in a driven bedknife or a driven epilation roller, as a result of which the dynamics of the user of the hair removal device can be shown particularly impressively.
- the lighting device has at least one light guide, it being advantageous if the lighting device consists of at least one light guide, which is arranged on a working element that is movable relative to another working element and / or the housing, and at least a light source arranged on a housing section, the light rays of which couple into the light guide. If the coupling of the light rays of the light source takes place contactlessly via an air gap, the lighting of driven components can be realized in a simple manner.
- the light source can also be arranged directly in at least one of the working elements
- the light source is advantageously formed by at least one light-emitting diode; especially since LEDs are particularly suitable for pulsating operation and for displaying different colors.
- the working system is a shaving system with a shaving foil and a lower knife movable relative to it, which is driven in a rotating or translatory manner, or it consists of two cutting combs movable relative to one another.
- the working system is an epilation system with tweezers that can be moved relative to one another.
- 1 is a schematic diagram of a shaving head
- FIG. 1A is a side view of the lower knife of FIG. 1,
- 2A is a side view of a multiple shaving head with two lower knives
- FIG. 2B shows a front view of a multiple shaving head according to FIG. 2A
- FIG. 2C is a top view of a multiple shaving head according to FIG. 2A or 2B
- FIG. 3 shows a further embodiment of a shaving head
- 3A shows an embodiment of a light source
- Fig. 4 is an illustration of the course of movement of a driven lower knife and 5 shows the epilation head of an electrical epilation device.
- a section of a shaving head of an electric shaver is schematically outlined.
- this shaving head essentially consists of a shaving foil 1 with openings 2, which is stretched over a lower knife 3, which, as indicated by the arrow 4, is driven in a suitable manner in a translationally oscillating manner.
- the lower knife 3 is designed as a so-called blade block with a plurality of blades 5 arranged in parallel next to one another in a row.
- the knife block or the blades 5 rest against the shaving foil 1 under elastic pretension, so that hair threaded into the openings 2 is sheared between the edge of the hole in the corresponding opening 2 and the blade 5, the oscillation amplitude of which is greater than the extent of the openings 2 ,
- the blades 5 have approximately the contour of half a circular ring.
- a light source 7 which is fastened to the shaving head housing (not shown).
- a color filter 8 or 9 with a different color is arranged in order to be able to couple light beams with two different colors into the light guide 6.
- the light sources 7 are preferably designed as light-emitting diodes and (not shown in the drawing) are connected to a current source via a signal generator. With the use of LED's in respective colors as light sources, the color filters may of course be omitted.
- the light coupled in via the end faces of the light guide 6 can now exit between the blades 5 and is visible from the outside through the openings 2 on the one hand for the user and on the other hand the skin area to be shaved can be illuminated.
- the stroboscopic effect can then be used to generate, for example, a standing image of the shaving system if the frequency of the light signals corresponds exactly to the oscillation frequency of the shaving system or to an integer part of the oscillation frequency.
- the frequency of the light signals deviates from the oscillation frequency of the shaving system by a certain, not too large difference within a certain range of, for example, plus / minus 20%
- the user can obtain a pictorial representation of the lower knife, which is slow Moves sideways in one or the other direction of oscillation.
- the frequency of the light pulsation it is therefore possible to display certain operating states or properties of the razor to the user.
- a display concept can provide that a standing image of the shaving system is always generated for the user when at least one system parameter, such as degree of contamination, battery or battery charge or the like, is not optimal.
- a standing image of the shaving system is always generated for the user when at least one system parameter, such as degree of contamination, battery or battery charge or the like, is not optimal.
- an image of the shaving system that is slowly moving in the direction of oscillation is displayed if the system parameter (s) are in an optimal or still classified state.
- the light source 7 is activated at a frequency which deviates from the oscillation frequency of the shaving system by a certain amount when the shaver is completely cleaned. With increasing contamination of the shaving system due to use, this deviation is successively reduced to zero. The user is then signaled by a standing image of the shaving system that he now has to carry out cleaning. This deviation can be controlled, for example, by a counting device known per se for the cutting events taking place.
- Information about the user can of course also be displayed by changing the color of the lighting.
- the light sources can be operated alternately with the different color filters or light-emitting diodes of the corresponding color; however, it is also possible to generate a color mixture by appropriate simultaneous control or to display a continuous color change over the entire length of the shaving head.
- the double shaving head shown in FIGS. 2A-2C has two lower knives 3 which are provided with a plurality of blades 5 and which, as already explained with reference to FIG. 1, are driven in an oscillating manner when pressed against a shaving foil (not shown).
- a middle cutter for cutting longer and / or hair lying against the skin can additionally be arranged in a manner known per se, which is composed of two comb-like blades, of which one blade is driven to oscillate; a so-called triple shaving head would then be formed.
- light guides 6 are integrated, which extend over their entire length.
- a light guide fork 11 is arranged, which is attached to the shaving head housing 12.
- the ends 13 and 14 of this light guide fork 11 lie directly opposite the end face of a light guide 6, so that light can be coupled into the light guide via them.
- the third end 15 of the light guide fork 11 is designed in the form of a circular sector with a cross section widening downward and is located with its arcuate end opposite the end face of a further light guide 18.
- the shaving head housing 12 is mounted in the shaving head holder 17 so as to be pivotable about the axis 16.
- the light guide 18 is fastened in the razor housing 19 and projects upwards out of it into the shaving head housing 12.
- a light source 7 is arranged, the light rays of which couple directly into the light guide 18.
- the angle between the legs of the circular sector corresponds to the maximum pivoting angle of the shaving head housing 12 relative to the razor housing 19 or the shaving head holder 17.
- the circular sector-shaped design of the end 15 of the light guide fork 11 ensures that the shaving head housing 12 is in any pivoting position relative to the razor housing 19 light from the light source 7 or the light guide 18 can be coupled into the light guide fork 11.
- the light fed into the light guide fork 11 at the end 15 is divided at the branch 21 into two portions guided in opposite directions. These two partial luminous fluxes are then deflected again by 90 ° at the respective deflection points 22 and 23 and then exit at the ends 13 and 14 of the light guide fork 11.
- the light guide fork 11 only one light source 7 is required for illuminating two lower knives 3.
- the light source 7 can also be arranged directly on the circuit board of the shaving apparatus, which saves an electrical line in the shaving head. This is particularly advantageous if the shaving head should be washable.
- the shaving head housing 12 and thus the shaving foil moves in an oscillating manner in opposition to the movement of the lower knife; i.e. the shaving head housing 12 can be pivoted about the axis 16 as well as driven in the longitudinal direction.
- the use of the light guide fork 11 advantageously offers the possibility that the light source 7 is not on a driven component, but on a stationary component, namely the printed circuit board.
- Fig. 3 shows a shaving head embodiment in which the light source 7 is arranged on a moving part of the shaving drive system.
- the shaving head comprises a shaving foil 1, which is held in a manner known per se in an interchangeable frame 30, which in turn is attached to the shaving head housing 12.
- the lower knife (s) 3 receives the knife head carrier 31, which is connected to the housing section 33 via the swing bridge 32.
- the cutter head carrier 31 is provided on the side opposite the lower cutter 3 with a driving groove 34 which serves to receive a drive eccentric (not shown in the drawing), a drive crank or the like.
- a drive eccentric not shown in the drawing
- Electrical lines 37 and 38 run along the sections 35, 36 of the oscillating bridge 32 and connect the light source 7 to the electrical contact points 39, 40.
- the electrical lines 37 and 38 can be integrated into the material of the swing bridge; in the exemplary embodiment, two are metallic Swing bridge halves, which are electrically insulated from each other, are used, which then form the electrical lines themselves.
- the electrical contact points 39, 40 (not shown in the drawing) are connected to a current source via a signal generator.
- a light guide 41 which is connected to the lower knife (s) 3, and funnel-shaped from the light source 7 in the direction of the lower knife 3 down to approximately the entire lower knife length extended.
- the shaving head can thus be illuminated over its entire extent by a light source with a comparatively small dimension.
- FIG. 3A shows a light source which is formed by two light-emitting diodes 42, 43 connected in parallel.
- the use of such a light source enables illumination regardless of the direction of current flow; If a positive electrical voltage is applied to the connection 44, the LED 42 lights up, but if a positive electrical voltage is applied to the connection 45, the LED 43 is switched on.
- a light source according to FIG. 3A is used in a shaving head embodiment according to FIG. 3, the connections 44 and 45 being connected to the electrical lines 37 and 38, and if light-emitting diodes 42, 43 are used with different colors, then only two electrical ones can be used Realize power supplies to illuminate the shaving head with two different colors. As a result, the assembly effort is reduced in particular.
- FIG. 4 shows the course of movement of an oscillatingly driven lower knife 3 over 1.5 oscillation periods or 1.5 crank or eccentric revolutions.
- a certain angular position of the drive motor is assigned to each time t. If the lower knife 3 is flashed for the first time to the operating point 46, the representation of a standing lower knife 3 can be generated when the next flash takes place at the operating point 47, that is to say after an oscillation period T. If, on the other hand, the next flash takes place at the operating point 48, that is to say after an oscillation period T + ⁇ t, a “traveling movement” of the driven lower knife 3 can be represented virtually. The speed of the "wandering" virtual image depends on the size of the ⁇ t.
- the lower knife 3 Due to the sinusoidal movement of the lower knife 3, by means of which it travels at least twice every revolution of its path of movement, it can also be flashed twice per revolution without an optically blurred representation of its movement. This applies to every angular position except the two extreme values which are passed only once per revolution.
- the time interval between the additional flash and the regular flash depends on the phase position of the regular flash. In the middle position it is exactly 1 / 2T and decreases in the extreme positions to zero. If the lower knife 3 is to be shown moving (wandering), the phase position of the regular flash in relation to the current location of the lower knife 3 must change permanently and thus also the required time interval. An electronic controller can calculate this, however, if it knows a certain position of the lower knife 3 as a reference as a basis. An additional flash doubles the coupled light. The phase position of the flashes can also be used as a display. If an optically standing image of the lower knife 3 is to be generated, it can be flashed at the operating points 46, 49, 47 and 49
- the electronic controller can also control the (then variable) flash duration in such a way that a slightly longer light signal is generated at a lower speed of the oscillating driven lower knife 3, ie close to the reversal points, than at a higher speed.
- a high illumination output is achieved without the risk of the image blurring visually for the user.
- the synchronism with the current speed or speed of the cutting system can be achieved.
- FIG. 5 shows the plucking head 50 of an electrical epilation device, in which a rotating driven epilation cylinder 51 is mounted.
- a rotating driven epilation cylinder 51 On the circumference of the epilation cylinder 51, a plurality of pairs of tweezers 52 are arranged, which operate and rotate during the rotation of the epilation cylinder by means known per se and not shown for reasons of clarity, in order to grasp, pinch and pull out body hair when the epilation cylinder 51 is guided over a section of skin to be epilated.
- the epilation cylinder 51 has a plurality of light guide strips 53 distributed around the circumference, into which light can be fed by a light source, not shown in the drawing.
- the light source is operated with a strobe flashing, so that with the appropriate coordination between the flash frequency of the light source and the rotational frequency sequence of the epilation cylinder 51 is a virtually standing or very slow moving image of the epilation cylinder, including the pairs of tweezers.
- the stroboscopic effect can indicate, for example, an end of the battery capacity in which the flashing frequency of the light source deviates by a certain amount at maximum battery capacity, while it gradually approaches the rotational frequency of the epilation cylinder as the battery capacity decreases, until it is reached a limit value of the capacity of the batteries corresponds to the flashing frequency of the rotational frequency and thus a virtually standing epilation cylinder 51 is shown.
- the image of a "standing" epilation cylinder that is virtually virtual for the user signals to him that he should soon replace or recharge the battery.
- the shaving head or the epilation cylinder By illuminating the shaving head or the epilation cylinder, not only the skin area to be shaved or epilated can be illuminated, but any deposited dirt particles, hair or accumulations of hair dust are clearly displayed to the user.
- the stroboscopic lighting of the shaving head or the epilation cylinder allows the user to demonstrate its operational capability in a simple and particularly clear manner at the beginning of each use of the device.
- the following process runs automatically each time the device is switched on: First, the light signals pulsate with the lowest permitted frequency; this frequency is now gradually increased to the highest permissible frequency. If an optically standing image of a shear element or of the epilation cylinder can be seen for the user during this process, the device is at least in order of speed.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
- Massaging Devices (AREA)
- Brushes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10052296A DE10052296C1 (en) | 2000-10-20 | 2000-10-20 | Electrically-operated hair removal device has pulsed stroboscopic light signal provided by illumination device for illumination of relatively moving working elements |
DE10052296 | 2000-10-20 | ||
PCT/EP2001/011864 WO2002034482A1 (en) | 2000-10-20 | 2001-10-13 | Electrically operated hair removal device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1326739A1 true EP1326739A1 (en) | 2003-07-16 |
EP1326739B1 EP1326739B1 (en) | 2004-09-22 |
Family
ID=7660615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01988648A Expired - Lifetime EP1326739B1 (en) | 2000-10-20 | 2001-10-13 | Electrically operated hair removal device |
Country Status (8)
Country | Link |
---|---|
US (1) | US20040024430A1 (en) |
EP (1) | EP1326739B1 (en) |
JP (1) | JP4130360B2 (en) |
CN (1) | CN1262400C (en) |
AT (1) | ATE276855T1 (en) |
AU (1) | AU2002216962A1 (en) |
DE (2) | DE10052296C1 (en) |
WO (1) | WO2002034482A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180207822A1 (en) * | 2017-01-26 | 2018-07-26 | Braun Gmbh | Shaver With Light Source |
WO2019012155A1 (en) | 2017-07-14 | 2019-01-17 | Krones Ag | Conveying storage device and corresponding method |
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US20080294152A1 (en) * | 1996-12-02 | 2008-11-27 | Palomar Medical Technologies, Inc. | Cooling System For A Photocosmetic Device |
US6517532B1 (en) | 1997-05-15 | 2003-02-11 | Palomar Medical Technologies, Inc. | Light energy delivery head |
ES2245506T3 (en) | 1998-03-12 | 2006-01-01 | Palomar Medical Technologies, Inc. | ELECTROMAGNETIC RADIATION APPLICATION SYSTEM ON SKIN. |
EP1347711B1 (en) * | 2000-12-28 | 2006-11-15 | Palomar Medical Technologies, Inc. | Apparatus for therapeutic emr treatment of the skin |
JP4716302B2 (en) * | 2001-04-21 | 2011-07-06 | 九州日立マクセル株式会社 | Small electrical equipment with light emitting display |
US6648904B2 (en) * | 2001-11-29 | 2003-11-18 | Palomar Medical Technologies, Inc. | Method and apparatus for controlling the temperature of a surface |
JP2005535370A (en) | 2002-06-19 | 2005-11-24 | パロマー・メディカル・テクノロジーズ・インコーポレイテッド | Method and apparatus for treating skin and subcutaneous conditions |
AU2003301111A1 (en) * | 2002-12-20 | 2004-07-22 | Palomar Medical Technologies, Inc. | Apparatus for light treatment of acne and other disorders of follicles |
US7856985B2 (en) | 2005-04-22 | 2010-12-28 | Cynosure, Inc. | Method of treatment body tissue using a non-uniform laser beam |
AU2006292526A1 (en) * | 2005-09-15 | 2007-03-29 | Palomar Medical Technologies, Inc. | Skin optical characterization device |
DE102005048383B4 (en) * | 2005-10-10 | 2010-12-16 | Zdenka Von Tulechov | Portable epilation device |
DE102005061538A1 (en) * | 2005-12-22 | 2007-07-05 | Braun Gmbh | Hand-held electrically powered epilation tool has two-part cylindrical body with raised ridges rotating within perforated cylindrical foil |
CN101395559A (en) * | 2006-03-01 | 2009-03-25 | Tivo有限公司 | Recommended recording and downloading guides |
US7586957B2 (en) | 2006-08-02 | 2009-09-08 | Cynosure, Inc | Picosecond laser apparatus and methods for its operation and use |
JP5632832B2 (en) | 2008-05-27 | 2014-11-26 | コーニンクレッカ フィリップス エヌ ヴェ | Household appliances having means for generating electrical energy in a functional operating unit |
US9919168B2 (en) | 2009-07-23 | 2018-03-20 | Palomar Medical Technologies, Inc. | Method for improvement of cellulite appearance |
KR102183581B1 (en) | 2012-04-18 | 2020-11-27 | 싸이노슈어, 엘엘씨 | Picosecond laser apparatus and methods for treating target tissues with same |
US10285757B2 (en) | 2013-03-15 | 2019-05-14 | Cynosure, Llc | Picosecond optical radiation systems and methods of use |
WO2017221047A1 (en) * | 2016-06-22 | 2017-12-28 | M&A Solutions Limited | Machine for electrolysis (hair removal) |
EP3354422B1 (en) | 2017-01-26 | 2020-04-29 | Braun GmbH | Shaver with light source |
SG11202008151QA (en) | 2018-02-26 | 2020-09-29 | Cynosure Inc | Q-switched cavity dumped sub-nanosecond laser |
EP3782509A1 (en) * | 2019-08-21 | 2021-02-24 | Koninklijke Philips N.V. | Personal care system with a set of functional units |
EP4296019A1 (en) * | 2022-06-21 | 2023-12-27 | Koninklijke Philips N.V. | Use of a retaining member in a shaving unit for light guiding |
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2000
- 2000-10-20 DE DE10052296A patent/DE10052296C1/en not_active Expired - Fee Related
-
2001
- 2001-10-13 CN CNB018104320A patent/CN1262400C/en not_active Expired - Fee Related
- 2001-10-13 AU AU2002216962A patent/AU2002216962A1/en not_active Abandoned
- 2001-10-13 AT AT01988648T patent/ATE276855T1/en not_active IP Right Cessation
- 2001-10-13 EP EP01988648A patent/EP1326739B1/en not_active Expired - Lifetime
- 2001-10-13 US US10/311,046 patent/US20040024430A1/en not_active Abandoned
- 2001-10-13 DE DE50103794T patent/DE50103794D1/en not_active Expired - Lifetime
- 2001-10-13 JP JP2002537507A patent/JP4130360B2/en not_active Expired - Fee Related
- 2001-10-13 WO PCT/EP2001/011864 patent/WO2002034482A1/en active IP Right Grant
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180207822A1 (en) * | 2017-01-26 | 2018-07-26 | Braun Gmbh | Shaver With Light Source |
US10717201B2 (en) * | 2017-01-26 | 2020-07-21 | Braun Gmbh | Shaver with light source |
WO2019012155A1 (en) | 2017-07-14 | 2019-01-17 | Krones Ag | Conveying storage device and corresponding method |
DE102017212125A1 (en) | 2017-07-14 | 2019-01-17 | Krones Ag | Conveyor storage device |
Also Published As
Publication number | Publication date |
---|---|
DE10052296C1 (en) | 2002-04-04 |
AU2002216962A1 (en) | 2002-05-06 |
CN1262400C (en) | 2006-07-05 |
ATE276855T1 (en) | 2004-10-15 |
EP1326739B1 (en) | 2004-09-22 |
CN1431946A (en) | 2003-07-23 |
JP4130360B2 (en) | 2008-08-06 |
WO2002034482A1 (en) | 2002-05-02 |
JP2004512112A (en) | 2004-04-22 |
US20040024430A1 (en) | 2004-02-05 |
DE50103794D1 (en) | 2004-10-28 |
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