公开(公告)号：US20150202006A1

公开(公告)日：2015-07-23

申请号：US14405243

申请日：2013-05-22

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Mark Thomas Johnson ,  Calina Ciuhu ,  Rieko Verhagen ,  Bastiaan Wilhelmus Maria Moeskops ,  Kiran Kumar Thumma ,  Thomas Adriaan Cohen Stuart ,  Petrus Cornelis Paulus Bouten ,  Roelof Koole ,  Emile Johannes Karel Verstegen ,  Petrus Theodorus Jutte

IPC: A61B18/20

CPC classification number: A61B18/203 ,  A61B2018/00476 ,  A61B2018/00601 ,  A61B2018/202 ,  A61B2018/2035

Abstract: A laser-based hair cutting device (10) is provided, which device (10) comprises a laser source (18), an optically transparent exit window (15) and optical elements (11, 12, 13, 14) The laser source (18) provides an incident light beam (21) for cutting a hair (22) above and near a skin surface by laser-induced optical breakdown (LIOB) of the hair (22) in a focal position of the light beam (21). The optically transparent exit window has an external exit surface (15) for allowing the incident light beam (21) to leave the device. The optical elements (11, 12, 13, 14) focus the incident light beam (21) in the focal position at a working distance from the exit surface (15). The laser source (18) and the optical elements are arranged and configured such that the working distance is at least (I) wherein NA is a numerical aperture of the incident light beam leaving the device (10), Ep is a pulse energy (J) of the incident light beam (21), Fthresh is a fluence threshold (J/m2) of the exit surface, M2 is a beam quality of the incident light beam (21) and λ is a wavelength (m) of the incident light beam (21). 1 π   NA 2  2  E p  NA 2  π F thresh - M 2  λ 2 ( 1 )

Abstract translation: 提供了一种基于激光的头发切割装置（10），该装置（10）包括激光源（18），光学透明出射窗（15）和光学元件（11,12,13,14）。激光源 18）提供入射光束（21），用于在光束（21）的焦点位置通过激光诱发的发光光学击穿（LIOB）在皮肤表面上方和附近切割毛发（22）。 光学透明出射窗具有用于允许入射光束（21）离开设备的外部出射表面（15）。 光学元件（11,12,13,14）将入射光束（21）聚焦在离出射表面（15）的工作距离处的焦点位置。 激光源（18）和光学元件被布置和配置为使得工作距离至少为（I）其中NA是离开设备（10）的入射光束的数值孔​​径，Ep是脉冲能量（J ），Fthresh是出射面的注量阈值（J / m2），M2是入射光束（21）的光束质量，λ是入射光的波长（μm） 梁（21）。 1＆pgr 作者NA 2;;; NA NA;;;;; F thresh - M2λλ2（1）

公开(公告)号：US20140345142A1

公开(公告)日：2014-11-27

申请号：US14364963

申请日：2012-12-18

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： Chris Damkat ,  Natalia Eduardauna Uzunbajakava ,  Calina Ciuhu ,  Geert Veenstra ,  Harmen Kooiker

IPC: B26B21/40

CPC classification number: B26B21/405 ,  B26B19/388 ,  B26B21/4056

Abstract: A hair cutting device (10) is provided comprising a cutter unit (11), a skin stretcher (12) and slit adapting means. The cutter unit (11) comprises a skin-contact surface for dragging over a skin surface (21) in a shaving direction (55), a front surface arranged in front of the skin-contact surface in the shaving direction (55), and a laser beam exit window arranged in the front surface for allowing a hair cutting laser beam (13) to cut a hair (22) near the skin surface (21) in front of the front surface. The skin stretcher (12) is positioned in front of the cutter unit (11), according to the shaving direction (55), and comprises a stretcher surface for dragging over the skin surface (21) together with the skin-contact surface, such that a skin dome (23) is formed by the skin surface (21) in a slit between the skin stretcher (12) and the cutter unit (11). The slit adapting means are provided for adapting at least one dimension (51, 52, 54) of the slit for controlling a shape of the skin dome (23).

Abstract translation: 提供一种切割装置（10），其包括切割单元（11），皮肤拉伸器（12）和狭缝适配装置。 切割单元（11）包括用于沿剃削方向（55）拖动皮肤表面（21）的皮肤接触表面，在剃刮方向（55）上布置在皮肤接触表面前方的前表面，以及 布置在前表面中的激光束出射窗口，用于允许剪发激光束（13）在前表面前面的皮肤表面（21）附近切割毛发（22）。 根据剃须方向（55），皮肤拉伸器（12）位于切割器单元（11）的前方，并且包括用于与皮肤接触表面一起拖动在皮肤表面（21）上的担架表面， 由皮肤表面（21）在皮肤拉伸器（12）和切割器单元（11）之间的狭缝中形成皮肤圆顶（23）。 狭缝适配装置被设置用于适应狭缝的至少一个尺寸（51,52,54），以控制皮肤圆顶（23）的形状。