WO2012174168A2 - Procédé et outil pour soin des cheveux pour régulation de température de coiffure dynamique et optimale - Google Patents

Procédé et outil pour soin des cheveux pour régulation de température de coiffure dynamique et optimale Download PDF

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Publication number
WO2012174168A2
WO2012174168A2 PCT/US2012/042324 US2012042324W WO2012174168A2 WO 2012174168 A2 WO2012174168 A2 WO 2012174168A2 US 2012042324 W US2012042324 W US 2012042324W WO 2012174168 A2 WO2012174168 A2 WO 2012174168A2
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WO
WIPO (PCT)
Prior art keywords
hair
temperature
styling
tool
heatable element
Prior art date
Application number
PCT/US2012/042324
Other languages
English (en)
Other versions
WO2012174168A3 (fr
Inventor
James D. HUMPHREYS
Joseph Sherman
Scott Phillips
Augustus J. MERCER
Original Assignee
Humphreys James D
Joseph Sherman
Scott Phillips
Mercer Augustus J
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 Humphreys James D, Joseph Sherman, Scott Phillips, Mercer Augustus J filed Critical Humphreys James D
Priority to CN201280039500.5A priority Critical patent/CN103732098A/zh
Priority to JP2014515971A priority patent/JP2014516742A/ja
Priority to KR1020147000918A priority patent/KR20140058494A/ko
Priority to EP12799971.2A priority patent/EP2717736A4/fr
Publication of WO2012174168A2 publication Critical patent/WO2012174168A2/fr
Publication of WO2012174168A3 publication Critical patent/WO2012174168A3/fr

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Classifications

    • 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
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
    • A45D1/04—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel by electricity
    • 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
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/06—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws
    • 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
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/28—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for controlling or indicating the temperature
    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/001—Hair straightening appliances
    • 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
    • A45D6/00—Details of, or accessories for, hair-curling or hair-waving devices
    • A45D6/20—Devices for controlling the temperature of hair curlers
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • A45D7/02—Processes of waving, straightening or curling hair thermal
    • 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
    • A45D44/00—Other cosmetic or toiletry articles, e.g. for hairdressers' rooms
    • A45D2044/007—Devices for determining the condition of hair or skin or for selecting the appropriate cosmetic or hair treatment

Definitions

  • hair tools utilize heat to encourage hair to assume new postures or desired styles by drying, straightening, curling, crimping, and the like. Heat may be applied to hair by blowing hot air across the hair using blow dryers or specialized styling brushes, or by directly applying heat to the hair using hair irons, hot rollers, or other hair-setting tools.
  • Some hair styling tools incorporate the distribution of steam, ultrasonic waves, or active hair treatment compositions in addition to the application of heat. What these hair tools have in common is that their energy or treatment composition distribution is controlled based on either a single predetermined preset, e.g.
  • hair irons are widely used hair tools for shaping various kinds of hairstyles with the assistance of heat.
  • a heatable element that is formed like a flat plate or formed as a curved surface like the side surface of a cylinder or rod, is heated to relatively high temperatures before being placed in contact with a hair to transfer heat to style a hair strand or lock of hair.
  • the flat plate type hair iron is advantageous for straightening the hair while the curved surface type is suitable for curling the hair.
  • the heatable element is generally provided with a means for closely holding the hair on that portion in order to make the shaping of the hair convenient and efficiently transfer heat therebetween.
  • Conventional plate type hair irons include a pair of upper and lower arms (casings), which are coupled with each other such that the assembly rotates at a certain angle about a hinge axis while elements such as a hinge, a spring and the like are provided in the longitudinal ends of the arms. Further, heater plates (heatable elements) are provided on inner surfaces (i.e.
  • inner covers may be provided on inner surfaces of the upper and lower arms proximal to the hinge so as to cover a conducting wire, which extends from an external source to an electric device such as a heater installed in the side of the heater plate, and a control circuit or circuit board.
  • the heatable element (heater plate) is configured such that a heater is provided on the surface opposite the hair-contact surface so as to generate heat and transfer the heat to the heater plate.
  • the heater and the heater plate are installed not to directly come into contact with the arms in such a manner that they are installed in a holder, which is composed of heat-resistant synthetic resin, and the holder is separately inserted into the casings.
  • the arms of the hair iron are opened in a way to be able to fit the hair lock between the two arms in contact with said heatable elements; subsequently, the arms are closed in order to hold the hair lock therebetween and start the styling operation by, for example, sliding the hair iron down toward the end of the hair lock, i.e., away from the scalp.
  • the hair lock is subjected to the heat emitted by said heatable elements, for the time required for styling, before being released by the arms opening.
  • the same hair lock may be subjected to a further styling operation, to obtain a desired aesthetic or styling effect, or a new hair lock can be subjected to one or more styling operations.
  • FIG. 1 shows a perspective view of a conventional flat iron 1 shown in an open position having a first arm 100 with a first heatable element 1 10, a second arm 120 having a second heatable element 130, the second arm being connected to the first arm 100 by a hinge 140 in such a way to allow the opening and closure of the flat iron 1 by respectively moving the arms 100, 120 away and close one to each other; a temperature regulation means, associated to the heatable elements 1 10, 130, having a heat source (not shown) and a temperature sensor (not shown) disposed in arms 100, 120, for regulating the temperature of the heatable elements 1 10, 130.
  • the flat iron may have a compensation means, operatively connected to the temperature regulation means, for compensating temperature in the heatable elements 1 10, 120.
  • the compensation means may have a detection device 150, 160 for detecting an open/closed state of the arms 100, 120 and are adapted to control said temperature regulation means in such a way to regulate the temperature of said heatable elements 1 10, 130 when said detection device 150, 160 detects a closed state of the arms 100, 120.
  • a main body of the cylinder type hair iron in which the rod or cylinder type heatable element comes in contact with the hair so as to curl the hair, generally comprises grip portions held by a hand and rod or cylinder type heating sections which come in contact with the hair for heating when viewing the main body in a longitudinal direction.
  • a clamp may be installed on the main body using a hinge, a spring, and the like in order to make the hair fixedly adhere between the heating sections. The clamp is operated so that when a portion in the side of the grip portions is forcibly held with the hand or is released from being held, the remaining portion of the grip portion moves closer towards or farther away from the heating sections with a lever system.
  • FIG. 2 is a perspective view of a conventional curling iron 2, having a handle portion 200 with a terminal end 210 that is connected to an electrical cord 220 and a styling portion 230 having a barrel or cylindrical rod 240 and a clamp 250 for positioning the hair against the barrel 240.
  • the handle portion 200 of the curling iron houses a control panel 260 having features including an on/off switch 270, an on/off indicator 275, and a temperature feature selection switch 280.
  • the temperature selection switch allows a user to select and control a desired output temperature for the curling iron.
  • Such different hair conditions are believed to make the use of a general styling setting recommendation harmful to user's hair.
  • a temperature setting on a hair tool that is believed to be generally appropriate for a certain hair type, often should not be used and is not applicable to a specific user having the same hair type, e.g. if the user has coarse hair that is very brittle and damaged and will be severely impacted by treatments or temperature settings suitable for strong, healthy, coarse hair.
  • allowing users to select their own temperature settings based on their self-diagnosis or perception is believed to lead to more hair damage because many users wrongly believe that higher temperature settings provide better styling results, and thus, they raise the hair tool temperature to a temperature setting above, for example, 320° F, which is believed to be damaging to hair.
  • the temperature of the heating elements or plates of the arms are subject to a temperature drop or cooling effect as heat from the heatable elements is transferred to and absorbed by the hair lock, which has an ambient temperature.
  • Such cooling effect gradually increases as the hair tool apparatus moves along the hair lock itself in that the hair tool apparatus continuously comes in contact with new portions of the hair lock yet to be styled.
  • the hair lock styling quality is not constant during the hair lock styling process and gradually deteriorates during the course of a a hair lock styling operation or session. This is due to the fact that such hair styling tools are used from the top (closest to the scalp) to the bottom/end of a hair lock.
  • the styling quality of the ends of hair locks-the last part of the hair lock to be styled— is generally unsatisfactory.
  • conventional hair tools regulate the heat to compensate for the cooling down effect to ensure that the temperature used throughout a styling session remains as close to the user's desired selected temperature setting.
  • the temperature of the heatable elements remains basically constant (or at least within a given range of values) for the entire hair lock styling operation. This, for example, is particularly important for styling in a substantially uniform way the entire length of a hair lock, ends included, and for reducing the waiting times between two subsequent styling operations.
  • a hair styling tool that is capable of accurately determining the condition of a user's hair prior to and/or during a styling session and then automatically setting itself to an ideal styling temperature specific for the user's hair, which is based on the detected condition of the hair and/or ambient environmental conditions (e.g., relative humidity, temperature, etc.). It has been discovered that certain dynamically changing conditions that are not detected by using conventional hair diagnosis tools are useful for determining the user's appropriate hair styling setting.
  • These dynamically changing hair conditions are measurable indirectly or directly and may be used to provide real-time dynamic data obtained from a user's hair and then implemented immediately and automatically to adjust optimal tool styling settings (e.g. optimal temperature settings) to the specific conditions of the user's hair immediately prior to and/or during a styling treatment session or operation.
  • optimal tool styling settings e.g. optimal temperature settings
  • hair styling appliances such as curling irons, crimping irons, spiral irons or wands, curling-iron styling brushes, hot-air styling brushes, hot rollers or other hair-setting tools are also contemplated by the present disclosure.
  • the exemplary method and hair tool for styling hair comprises at least one heatable element, a temperature regulator associated with the heatable element to control the temperature of the heatable element, a temperature sensor for measuring the temperature of the heatable element, a compensation means operatively connected to the temperature regulator for compensating temperature drops or increases to which the heatable element is subjected when styling a hair lock.
  • the hair tool further comprises a programmable electronic control that controls operational features of the hair tool to implement a method of analyzing the hair lock and setting the hair tool to an optimal styling temperature calculated for the hair lock, as further described herein.
  • the temperature required to reach the 'glass transition phase' of hair when hair starts flowing like hot glass and able to be styled is proportional to the moisture content (i.e., water content) of the hair fibers. As the water content in a hair fiber increases, the temperature that is required to reach the glass transition phase temperature decreases thereby allowing for a relatively lower temperature to style the hair.
  • an example hair tool embodiment analyzes an individual's hair and then based on that analysis, automatically adjusts the temperature setting of the hair tool, so that the lowest possible temperature is used to give optimal and precise results or require the least amount of styling time with the greatest perceivable performance. It has been discovered that measuring certain temperature changes (delta) or the rate of temperature changes in a heatable element of a conventional hair iron or curling iron (e.g., heated plate or heated barrel, respectively), is useful to determine how much to adjust the hair tool temperature to attain an optimal lowest temperature for efficient and effective styling (a.k.a., "optimal temperature setting" or "optimal styling setting” or “optimal setting”) without damage to the hair.
  • the exemplary hair tool By measuring such temperature changes in a heatable element, it is not necessary to configure the exemplary hair tool to contain separate electrodes or other sensing means that directly contact the hair being styled to measure temperature, moisture or some other factor to determine the hair's moisture content, thereby allowing for overall simplified design with fewer parts and thereby enhancing reliability and serviceability.
  • no such hair tool has been known.
  • a hair tool for dynamically styling keratin based fibers, such as human or animal hair, and is capable of automatically (e.g., via processor control) diagnosing and identifying the unique and specific styling needs of a user's hair, and thereby adjusting itself to an optimal styling setting (e.g., temperature) customized for and specific to the user at the time of styling, i.e., without the need for an often imperfect self-diagnosis by a user.
  • an optimal styling setting e.g., temperature
  • the exemplary hair tool may also be configured with suitable conventional circuitry, microprocessors, CPUs, and memory to provide or analyze data measured and collected during a styling session for the purpose of providing additional treatment recommendations to the user, such as, for example, the application of a hair care treatment composition for adding moisture when relatively low moisture levels are believed to be present.
  • a circuit board may be disposed within an arm or handle and is in electrical communication with at least one button, a thermistor, a microprocessor, at least one liquid crystal display, a voltage regulator, an audio buzzer, and a line voltage controller, wherein the microprocessor is configured to control the temperature of the heatable elements (e.g., heater plates or cylindrical rod) prior to and during a styling session in response to temperature changes measured in the heatable elements.
  • the hair tool may further comprise an embedded computer or processor subsystem to store or transfer diagnostic data (wired or wirelessly) collected by the hair tool to another storage device or remote database or computer.
  • FIG. 1 is a perspective view of a conventional hair tool in the form of a flat iron
  • FIG. 2 is a perspective view of a conventional hair tool in the form of a curling iron.
  • FIG. 3 is electrical block diagram for an exemplary hair tool.
  • FIG. 4 is a flowchart showing an example processing flow for an exemplary embodiment.
  • FIG. 5 is a flowchart showing an exemplary processing flow for determining a styling temperature using an non-limiting exemplary lookup table.
  • the rate of temperature change of a heatable element (heater plate) in a hair tool may indicate or infer how much moisture is in the hair by comparing the hair tool temperature change readings to lookup tables derived from prior research.
  • the measurement of temperature change in a heatable element is highly effective and commercially desirable due to its simplicity of design and other factors.
  • the exemplary hair tool will adjust its temperature to an optimal styling temperature and then optionally may provide follow up treatment recommendations to the user.
  • the hair tool may recommend to users with very low moisture content to use hair care compositions that hydrate their hair.
  • the hair tool may dynamically determine additional temperature changes and either adjust or maintain the recommendation based on the new moisture levels detected in the hair.
  • an exemplary hair tool embodiment comprises:
  • At least one heating or cooling source e.g., electrical temperature adjusting means for heating or cooling the heatable element
  • At least one processor or processing means for analyzing the temperature measurements and calculating an optimal styling setting (e.g., temperature), • at least one temperature regulation means (temperature regulator) adapted to adjust the temperature of said heatable elements to an optimum styling temperature for the particular user at the time of a styling session.
  • an optimal styling setting e.g., temperature
  • at least one temperature regulation means e.g., temperature regulator
  • the heating or cooling source comprises a suitable heating or cooling element adapted to heat or cool said heatable element.
  • the heatable element is controlled by an electronic system or circuit that adjusts the heatable element to a predetermined or optimal styling temperature suitable for the user through the heating or cooling source, an electronic switch and the temperature sensor.
  • the predetermined or optimal styling temperature may be stored in a lookup table of temperatures or in a suitable database that is accessed by the processor via an appropriate algorithm to calculate and provide a suitable styling temperature for the user at the time of the styling operation, as further described herein.
  • the temperature regulator may comprise compensation means, operatively connected to the temperature sensing or measuring means, for compensating changes in temperature which the heatable elements are subjected to when applied to a hair lock or as directed by a controller means.
  • the exemplary hair tools are configured with temperature sensing means (temperature sensors), as described herein, to detect dynamic changes in the hair tool components, such as temperature, which are believed to be indicative of the users current hair condition and useful for providing an optimal styling setting.
  • the temperature sensing means can be any suitable temperature detector device that can detect the temperature of the heatable element, including, without limitation a thermocouple, RTD (Resistance Temperature Detector), a thermistor, an IC (Integrated Circuit), etc.
  • the temperature sensor may be configured as a negative temperature coefficient (NTC) (e.g., a thermistor) positioned in direct contact with the heatable element (i.e., heating plate) or positioned close thereto.
  • NTC negative temperature coefficient
  • the temperature sensor can be a device adapted to detect the temperature of the heatable element by measuring electrical impedance.
  • Dynamic changes that occur as the hair undergoes treatment under various conditions may be detected, inferred or assumed so that hair tool settings are adjusted to optimize styling efficiency and effectiveness.
  • the detected dynamic changes may be used in real-time to customize the styling settings needed to style the hair hair of the particular user without damaging it, as described further herein or they may optionally be stored in a memory device for use during future styling sessions, as a customized user setting.
  • the temperature sensing means may or may not be in direct contact with the heatable elements or hair.
  • a temperature sensor is configured not to be in direct contact with a heatable element and merely situated in proximity to the heatable element and/or heat source (or in contact with the hair)
  • the temperature sensing means detects the temperature drop of the heat source (or the hair) and the temperature regulation means intervene, the temperature of the heatable elements has already dropped and a substantial period of time likely will be required to restore it.
  • the user may be required to wait for a period of time before the temperature regulator means restores the temperature of the heatable elements to the optimal working temperature for the user's current hair condition.
  • a user control interface may be present and may have a display, such as an LCD screen, that shows the temperature of hair tool, buttons for turning on the device, a light-emitting diode (LED) display to indicate various operation states.
  • a display such as an LCD screen
  • the temperature is measured from a temperature sensing element within an arm and in contact with a heatable element disposed in an arm or casing.
  • the regulation means may be adapted to regulate the temperature of said heatable elements according to an algorithm for calculating or selecting optimal styling temperatures.
  • the regulation means are adapted to regulate the temperature of said heatable elements by activating/deactivating the heating elements in response to the temperature detected by said temperature sensor, in such a way to adjust the temperature of said heatable elements close to an optimal temperature setting most suitable for the user at a particular styling session.
  • a software module may reside in a computer storage such as in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
  • An exemplary storage medium may be coupled to the processor such that the processor can read information from, and write information to, the storage medium.
  • the storage medium may be integral to the processor.
  • the processor and the storage medium may reside in an application-specific integrated circuit (ASIC). It will be appreciated that numerous permutations and design choices may be selected for any particular hair tool embodiment so long as the algorithm/method for calculating a styling temperature is carried out or implemented as disclosed herein.
  • ASIC application-specific integrated circuit
  • a first temperature (when the hair tool is turned on) for a heatable element may be set to at least about 299° F (or higher if desired), as a default starting or initial w35 poin5 temperature, without any input by the user.
  • the compensation means may be adapted to control said temperature regulation means in such a way to regulate the temperature of said heatable elements according to a second or optimal styling temperature, calculated by the hair tool processor, as further described herein, during a hair lock styling operation.
  • the exemplary hair tool may further comprise a dynamic PID control or Proportional-lntegrative-Derivative Control, which is a generic control loop feedback mechanism (controller), used in industrial control systems as a feedback controller.
  • a PID controller calculates an "error" value as the difference between a measured process variable and a desired set point. The controller attempts to minimize the error by adjusting the process control inputs.
  • a PID may be configured to take relative measurements of time to heat the heatable elements to a certain temperature from another including the time to cool from a given temperature from another in the presence of the hair tool with a known internal temperature setting. For example, if the hair tool is placed on the hair and the temperature decreases, the hair tool can be programmed to determine that the hair is wet and that a greater temperature is required. At that point, the hair tool sets the heating plates to reach, for example, a temperature of about 275 °F, as a non-limiting example. This is the proportional part of PID control.
  • the hair tool can be configure to learn from its own prior experience (or from lookup tables) that those 15 seconds corresponds to a moisture saturation of, for example, 50%. This is the integrative part of PID control. Based on that lookup value, the hair tool then may be configured to readjusts its temperature setting again to achieve the fastest styling at the lowest temperature thereby guaranteeing healthy, non-damaged hair. Further control is gained by derivative control which comes from the hair tool predicting even finer control (narrowing of the temperature range) by analyzing how closely the proportional and integrative controls have been achieving the end set point from previous tests. This process is repeated when moving from one strand of hair to another strand that is either more wet or more dry than the strand last heated.
  • a detection device may be incorporated for detecting the open/closed state of, for example, flat iron tool arms.
  • the compensation means may comprise a detection device for detecting the open/closed state of said arms and are adapted to control said temperature regulation means in such a way to regulate the temperature of said heatable elements according to the second temperature when said detection device detects a closed state of the arms of a flat iron.
  • the detection device can be, for example, a micro-switch, a magnetic sensor, such as for example a "reed", or a light sensor, which changes state or position (open/closed) according to a change of state of the arms (open/closed).
  • the detection device may be arranged onto the internal surfaces of the arms, and comprise a first part arranged onto the internal surface of an arm or casing, to generate a magnetic field or to obscure the ambient light, and a second part, arranged onto the internal surface of the other arm, to detect the presence/absence of the magnetic field or the presence/absence of the ambient light.
  • the regulation means may be adapted to start regulating the temperature of said heatable elements according to the desired temperature setting with a preset delay with respect to the detection moment of the closed state of the arms by the detection device in order to avoid activating the temperature regulation of the heatable elements according to the second temperature when the two arms are closed by the user only for a very short period of time, not intended for a hair lock styling.
  • the exemplary hair may or may not be configured to include an electronic temperature control setting switch for the user to manually adjust the temperature of the heatable elements.
  • a dynamic feature of hair that may be indirectly determined by the exemplary hair tool embodiment is water or moisture content of the hair, which is uniquely specific to each user at any given moment regardless of hair type. People with the same hair type have different moisture levels that vary from day to day due to myriad factors.
  • an example embodiment may comprise a hair tool that dynamically determines water content and adjusts itself to a higher set point temperature for relatively high water saturation levels and a lower set point temperature for relatively low water saturation levels, as needed prior to and during a styling session or operation.
  • the hair tool database, lookup tables, and implementing software may be stored remotely to allow the hair tool to transmit data to the remote data base to obtain updated operating instructions (e.g. optimal styling settings) that are sent back to the hair tool.
  • updated operating instructions e.g. optimal styling settings
  • the exemplary hair tool may be configured to prevent unauthorized use due to hygiene and other reasons.
  • a hair stylist using hair tools in a salon could desire that the tools would not be used by other stylists while he is away.
  • a hair tool is configured with Near Field Communication ("NFC") functionality to be able to detect if an authorized and/or registered user is near, and only then the hair tool would be able to be turned on and used.
  • NFC Near Field Communication
  • a hair tool would recognize its authorized and/or registered owner/user via the transmission of unique owner/user identification information and would employ the same styling settings preferred by the owner/user automatically.
  • the hair tool may be configured to house an embedded computer or microcomputer subsystem to store or transfer diagnostic data collected by the hair tool to another storage device or remote database.
  • Such transfer may be effectuated via wired and wireless data transfer methods known to the art (e.g., bluetooth, Wi-Fi, NFC, Wireless USB, etc.) to devices such as cellular phones and/or computers, which in turn, are configured to present additional personal styling recommendations.
  • the circuitry may be controlled by a computer program to produce hair condition data and information from the sample data, if desired.
  • the embedded computer or microcomputer subsystem can include at least one central processing unit (CPU) or "processor", memory, storage, a display and a communication link.
  • CPU central processing unit
  • processor memory
  • storage storage
  • display a display
  • communication link An example of a CPU is the Intel Pentium microprocessor or ARM processor.
  • the memory can be, for example, static random access memory (RAM) and/or dynamic random access memory.
  • RAM static random access memory
  • the storage can be accomplished with non-volatile RAM or a disk drive.
  • a liquid crystal display may be employed as an example of the type of display that would be used in the hair tool.
  • the communication link can be a high speed serial link, an ethernet link or a wireless (“WiFi" or "broadband”) communication link and the like.
  • the embedded computer subsystem can produce, for example, hair condition, moisture condition, temperature, styling state predictions from the collected data, perform calibration maintenance, perform calibration transfer, run instrument diagnostics, store a history of past analysis and other pertinent information, and in some example embodiments, can communicate with remote hosts to send and receive data and new software updates.
  • the communication link can also be used for billing based on the number of tests performed on each hair tool. It can also be used for customer service to track failure or error rates on each device or provide customer service feedback, if desired.
  • the embedded computer system can also contain a communication link that further allows transfer of the user's hair style setting prediction records and the corresponding data to an external database.
  • the communication link can be used to download new software to the embedded computer, update a multivariate calibration model, provide information to the subject to enhance the management of their hair health, etc.
  • the embedded computer system is very much like an information appliance. Examples of information appliances include personal digital assistants, web-enabled cellular phones and handheld computers.
  • the communication link can be used for medical billing based on the number of test performed on each device. It can also be used for customer service to track failure or error rates on each device.
  • a hair tool as disclosed herein may be configured with, connected to or in communication with a system for automatically, remotely monitoring the operational status of one or more hair tools/users disclosed herein each having a computer therein for determining device status information (e.g., usage counts, accounting/billing for usage, accounting/billing for usage over contract minimums, hardware or software error codes, storage or database operations to the point of failure for remote system diagnostics, capturing services response time until performance is restored, etc.) comprising an interference in the hair tool to intercept and pass status information from the computer to an interface for capturing and communicating the status information to a remote location, communication link between the interface for capturing and communicating information and the remote location, and a computer at the remote location to process the information.
  • device status information e.g., usage counts, accounting/billing for usage, accounting/billing for usage over contract minimums, hardware or software error codes, storage or database operations to the point of failure for remote system diagnostics, capturing services response time until performance is restored, etc.
  • the system utilizes a scanner to poll the hair tool.
  • the scanner in cooperation with the central computer, can poll and monitor each of the hair tool at a uniform rate or, when requested by the user at a central location, vary the poll rate of one or more of the hair tools to poll the selected hair tool with increased regularity, slowing the polling rate of the other hair tools, to provide a real-time monitoring of selected hair tools.
  • the system may be configured to provide sound and voice capabilities so that the operator is afforded the option to communicate "live" with a salon customer service representative of a vendor, manufacturer of the hair tools to troubleshoot problems.
  • the system may further be configured configured to utilize centralized computing and routing and or "cloud" computing or storage.
  • Software and “Machine-readable code operable on an electronic computer” are synonymous and refers to software or hard-wired instructions used to control the logic operations of the computer.
  • the term computer or processor refers to an electronic computer or its specific logic-processing hardware.
  • the machine-readable code is embodied in a tangible medium, such as a hard disc or hard-wired instructions.
  • the processor in the system may be a conventional microcomputer having keyboard and mouse input devices, a monitor screen output device, and a computer interface that operably connects various components of the system, for example, including an user hair or hair style tracking assembly or device, robotic elements, etc.
  • a described functionality is implemented as computer software
  • such software may include any type of computer instruction or computer executable code or algorithm located or stored (even temporarily) within a memory device and/or transmitted as electronic signals over a system bus or network.
  • Software that implements the functionality associated with components described herein may comprise a single instruction, or many instructions, and may be distributed over several different code segments, among different programs, and across several memory devices.
  • the exemplary tool dynamically and automatically determines optimal settings to ensure effective styling of hair. To prevent heat damage, it may be configured to prevent the heating elements from being heated to temperatures above 302 Q F. However, if heat damage to hair at temperatures above 302 Q F is not a concern for any reason (e.g., because a protective hair composition is applied to the hair prior to styling), then the exemplary hair tool may be configured to be capable of being heated to temperatures above 302 °F, similar to conventional hair tools.
  • a hairstyling composition (spray, cream, gel, mousse, etc.) may be applied to the hair prior to or during treatment with the hair tool to allow even better styling of the hair at temperatures below 302 Q F.
  • the hairstyling composition may be manually applied or dispensed from a storage unit within the hair tool.
  • Hair straightening and curling tools with active cooling elements combined with active heating elements are known such that hair is styled by a hot plate at above 302° F and then subsequently cooled down by a cold plate at temperatures of between 14° F to 68° F (-10° C to 20° C).
  • These hair tools have heating and cooling members that are separated by an insulating member to avoid negative impact of the heating member on the cooling member and vice-versa.
  • the difference in temperature between the heating member and the cooling member is on the order of 80 Kelvin and more particularly, 100 Kelvin.
  • these conventional tools rely on the hair being first heated to temperatures above 302° F to a point where it is believed it is being damaged in order to style it, and later the hair is rapidly cooled down.
  • the perceived rationale for cooling of hair during a styling session is to prevent overheating and/or excessive moisture loss of the hair being styled by the influence of heat and pressure such as by a straightener, and to insure a longer set of the hair style created, as well as faster results than allowing unassisted cooling down from the high temperature it has reached.
  • Active cooling of the hair may prevent or cure hair damage by relatively high styling temperatures.
  • the exemplary embodiments may be configured to provide heating and cooling functions.
  • a user's hair will undergo several changes such that an initial set point temperature setting applied at the start of the styling session will not be appropriate at the middle of the styling session as the condition of the hair changes.
  • the relative moisture level in the hair may be indirectly determined by measuring the temperature changes in the heatable elements prior to or during treatment of the user's hair.
  • a hair tool is configured with a heat thermostat (e.g., a thermistor) that measures the temperature of the heatable elements at predetermined intervals or upon user demand, and more specifically may even measure how the heatable elements cool after being applied to the hair.
  • a heat thermostat e.g., a thermistor
  • Additional exemplary hair tool embodiments dynamically and/or directly senses water content.
  • the hair tool is customizing its styling temperature based on the unique water content of the user's hair, constantly within the styling session, leading to the hair tool getting hotter when a hairstyling session begins on relatively wet hair and becoming cooler as the styling session draws near to completion as the styled hair becomes styled and higher temperatures are not needed to attain desired results.
  • the hair tool is moved on to a new part of the same subject's hair, it again detects the water content and adjusts the temperature setting according to the condition of the hair.
  • the optimal temperature setting fluctuates constantly according to the moisture conditions of the hair being styled at different times and places on a user's scalp.
  • a hair tool shaped as a curling iron where the hair is wrapped around the barrel of the curling iron.
  • a temperature change (or moisture) test begins by the user pressing a test start button included in the curling iron, or by the tool automatically initiating the test using readily available detection means. Automatically starting the test could be done by using means to identify that the hair was fully wrapped around the barrel of the hair tool.
  • a clip may be connected to the curling iron that holds the hair in place. Adding a magnet to the handle of the clip with a corresponding read switch on the handle of the tool, whereby depressing the handle of the clip would activate the read switch which is connected to the CPU of the device and starts the test.
  • an accelerometer may be used to detect the twirling of the curling iron, starting the test after the curling iron have been twirled several times signaling that the hair was fully wrapped around the barrel of the hair tool.
  • FIG. 3 is an electrical block diagram of an exemplary hair tool hair iron (e.g., flat or curling).
  • the heatable element 335 is controlled by means of heater control 340, which is controlled by a processor 320.
  • the power from the line voltage 310 of the apparatus is also controlled by processor 320 on the basis of the signal the sensor 330.
  • processor 320 it is possible to increase or reduce the power of the heatable element when the temperature or other measurement (e.g., moistness) of the hair tool or hair decreases or increases in order to prevent the hair from becoming too dry or from being scorched/damaged.
  • the processor 320 also communicates with the hinge 305 in order to control and, if necessary, synchronize an auto sense diagnostic routine or other activity (see e.g., FIGs 4-5). It will be appreciated that the electrical block diagram may be modified to adapt to other configurations in accordance with the principles disclosed herein.
  • the exemplary embodiment performs a one-time dynamic diagnostic heat temperature setting test of the hair at the beginning of the styling session by having the user place the hair tool on a hair strand/hair lock with the plates set to a predetermined temperature, such as, for example, 299 °F (or higher).
  • FIG. 4 is a flow chart showing an example processing flow of an exemplary diagnostic testing for determining an optimal or ideal styling temperature setting using an exemplary hair tool embodiment:
  • a further exemplary embodiment comprises a processor implemented (in part) method for obtaining an optimal or ideal temperature setting for treating or styling hair comprised of keratinous fibers (e.g., a human or animal hair lock) of a subject.
  • the method comprises:
  • a hair tool e.g., flat iron, curling iron, styling iron, crimping iron, spiral iron, etc.
  • a heatable element e.g., heating plate
  • a heater configured to be heated by a heater to a temperature of less than about 302° F (e.g., about 0° F to about 302° F and all subranges therebetween);
  • a first temperature e.g., about 50° F to 302° F, and all subranges therebetween, or higher if desired
  • the at least one heatable element • applying or contacting the at least one heatable element to the entire length of the keratinous fibers (e.g., a hair lock or strand of hair); • measuring the temperature of the at least one heatable element to obtain a second temperature;
  • the above sampling steps are performed sequentially on the same hair lock at least one time (each time with the heater off) to obtain a ⁇ value that are added or averaged to obtain a calculated temperature delta "D," which in turn is compared to a lookup table (see flow chart depicted in FIG. 5) to obtain an optimal or ideal styling temperature setting for the regulating means to apply to controller of the hair tool.
  • the hair tool may be configured to make a sound notifying the user that it has adjusted the temperature to an optimal styling temperature setting, which optionally may immediately appear on an incorporated LCD display screen, while the hair tool heats up or cools down to reach this optimal temperature setting.
  • the hair tool may be configured to maintain the optimal styling temperature for the entire duration of the styling session.
  • the hair tool may be configured to automatically or manually perform one or more dynamic diagnostic tests throughout the styling session.
  • the hair tool is placed on a hair strand with the heatable elements set to a predetermined temperature (such as about 250 °F, as a non-limiting example).
  • a predetermined temperature such as about 250 °F, as a non-limiting example.
  • the heat and/or cooling source to the heatable elements is shut off by and the temperature of the heatable elements will drop by an X number of degrees in a certain time, measured from the time the hair tool arms were closed by the user on the hair strand and during the time the hair tool was guided by the user along the length of the hair strand, ending when the hair tool arms were opened by the user releasing the hair strand.
  • the hair tool then heats or cools the heatable elements, while measuring the time it takes to get to that temperature while the hair is being styled. Based on the time it takes for the hair tool to reach the second temperature, the hair tool may then be configured to adjust itself to a third recommended temperature based on the lookup tables

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Hair Curling (AREA)
  • Cleaning And Drying Hair (AREA)
  • Cosmetics (AREA)

Abstract

L'invention porte sur un procédé et sur un outil pour les cheveux pour la coiffure, l'outil pour les cheveux ayant au moins un élément apte à être chauffé, un régulateur de température associé à l'élément apte à être chauffé pour réguler la température de l'élément apte à être chauffé, un capteur de température pour mesurer la température de l'élément apte à être chauffé, un moyen de compensation relié de manière fonctionnelle au régulateur de température pour compenser des chutes ou des augmentations de température auxquelles l'élément apte à être chauffé est soumis lors de la coiffure d'une mèche de cheveux. L'outil pour les cheveux contient en outre une commande électronique programmable qui commande des éléments fonctionnels de l'outil pour les cheveux pour mettre en œuvre un procédé d'analyse de la mèche de cheveux et de réglage de l'outil pour les cheveux à une température de coiffure optimale calculée pour la mèche de cheveux.
PCT/US2012/042324 2011-06-13 2012-06-13 Procédé et outil pour soin des cheveux pour régulation de température de coiffure dynamique et optimale WO2012174168A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201280039500.5A CN103732098A (zh) 2011-06-13 2012-06-13 用于动态的且最佳的头发造型温度控制的方法和护发工具
JP2014515971A JP2014516742A (ja) 2011-06-13 2012-06-13 動的及び最適ヘアスタイリング温度制御のための方法及びヘアケアツール
KR1020147000918A KR20140058494A (ko) 2011-06-13 2012-06-13 동적이고 최적인 모발 스타일링 온도 제어를 위한 모발 관리 도구 및 방법
EP12799971.2A EP2717736A4 (fr) 2011-06-13 2012-06-13 Procédé et outil pour soin des cheveux pour régulation de température de coiffure dynamique et optimale

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US201161496424P 2011-06-13 2011-06-13
US61/496,424 2011-06-13
US201261654870P 2012-06-02 2012-06-02
US61/654,870 2012-06-02

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EP (1) EP2717736A4 (fr)
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KR (1) KR20140058494A (fr)
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Publication number Publication date
WO2012174168A3 (fr) 2013-04-18
US20120312320A1 (en) 2012-12-13
EP2717736A2 (fr) 2014-04-16
EP2717736A4 (fr) 2015-07-29
JP2014516742A (ja) 2014-07-17
KR20140058494A (ko) 2014-05-14
CN103732098A (zh) 2014-04-16

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