US20050011533A1 - Visual user interface for hair styling apparatus - Google Patents
Visual user interface for hair styling apparatus Download PDFInfo
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- US20050011533A1 US20050011533A1 US10/499,136 US49913604A US2005011533A1 US 20050011533 A1 US20050011533 A1 US 20050011533A1 US 49913604 A US49913604 A US 49913604A US 2005011533 A1 US2005011533 A1 US 2005011533A1
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- United States
- Prior art keywords
- hair styling
- styling device
- hair
- indicator
- handle
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- 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
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- 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
Definitions
- the present invention is directed to a visual user interface for a heated hair styling apparatus and, more particularly, to a user interface comprising an LED (Light Emitting Diode) or LCD (Liquid Crystal Display) to allow the user to view a variety of operating characteristics of the heated hair styling apparatus which may be a hair dryer, curling iron, or the like.
- LED Light Emitting Diode
- LCD Liquid Crystal Display
- Heated hair styling devices such as curling irons, hair dryers, hair straighteners, hot rollers, and the like are well known. In recent years, many of these devices have been equipped with features such as temperature control and automatic shut-off. However, these heated hair styling devices are typically designed with little attention to the scope of the controls and level of feedback that its user receives. Generally, the user is presented with controls that do not accurately control the temperature of the device. Additionally, the controls may not allow the user to ascertain the operating temperature of the device. Without these capabilities of being able to accurately adjust the temperature or other operating characteristics of the device, the user is likely to be unable to sustain a desired hairstyle or look.
- the present invention overcomes at least one disadvantage of the prior art by providing a hair styling device comprising a handle; a body; an audio signal which sounds an alarm when at least one predetermined operating condition is achieved; and a liquid crystal display (LCD) visual display positioned on one of the handle and the body, wherein the visual display provides information related to at least one operating condition of the device.
- a hair styling device comprising a handle; a body; an audio signal which sounds an alarm when at least one predetermined operating condition is achieved; and a liquid crystal display (LCD) visual display positioned on one of the handle and the body, wherein the visual display provides information related to at least one operating condition of the device.
- LCD liquid crystal display
- FIG. 1 is a perspective view of a handle of a heated hair styling device having a user interface in accordance with the present invention
- FIG. 2 illustrates an LCD that may be used in conjunction with a hair styling device in accordance with the present invention
- FIG. 3 is a perspective view of a second heated hair styling device having a user interface in accordance with the present invention.
- FIG. 4 illustrates another LCD that may be used in conjunction with a hair styling device in accordance with the present invention
- FIG. 5 is a perspective view of a another heated hair styling device having a user interface as shown in FIG. 6 ;
- FIG. 6 illustrates an alternate version of an LCD that may be used in conjunction with a hair styling device in accordance with the present invention
- FIG. 7 is a perspective view of a third heated hair styling device having a user interface in accordance with the present invention.
- FIG. 8 is a perspective view of a fourth heated hair styling device having a user interface in accordance with the present invention.
- FIG. 9 is an example of a circuit diagram used with the present invention as shown in FIG. 1 .
- a hair styling device in the form of a curling iron in accordance with the present invention may have the well-known appearance of conventional curling irons.
- the hair styling device 10 may comprise an elongated, generally cylindrical handle 20 , a rod-like body or barrel 30 joined in co-axial arrangement with the handle 20 .
- the hair styling device 10 further comprises a clip-like tong 32 , rotatably secured to the barrel 30 proximate to the junction of the barrel 30 to the handle 20 .
- the barrel 30 is typically comprised of a heat-conducting material, such as metal, which may be surface-treated to permit easy release of hair strands from the barrel after a curl is formed.
- the barrel 30 is typically tubular in form.
- the barrel may have a variety of diameters corresponding to a size or shape of curl desired by the user.
- One end of the barrel 30 is connected to the handle 20 so that the heater inside the barrel 30 may be energized by a power source from the handle 20 .
- the end of the barrel 30 opposite the handle 20 has a tip 34 comprised of a non-heat conducting material, such as plastic, so that a user may hold the hair styling device 10 at both ends without touching the heated barrel 30 .
- the tong 32 may be comprised of a heat-conducting material, such as metal.
- the tong 32 comprises a hair grasping portion 36 and a lever portion 38 .
- the lever portion 38 of the tong 32 has an area that is covered with a non-heat conductive substance, such as plastic, so that the lever portion 38 may be depressed by a user's finger or thumb without touching the hot surface of the tong 32 .
- the hair grasping portion 36 of the tong 32 extends along at least a portion of the length of barrel 30 and is arcuately formed so that when the tong 32 is in its closed position, its inside surface conforms to the curvature of the barrel 30 .
- the handle 20 is fabricated from a non-heat conducting, electrically insulated material, such as plastic.
- the handle 20 may be comprised of polyvinyl chloride with a rubberized paint coating.
- the handle 20 may be internally hollowed to receive a conventional electrical power supply cord 40 .
- the power supply cord 40 is connected to a heating element (not shown) within the barrel 30 of the hair styling device 10 .
- the heating element is a known resistance type heater.
- the heating element may be comprised of a resistance wire encapsulated in an electrically insulating sleeve, also known as a rope heater; a resistance wire encapsulated in ceramic material, also known as a ceramic heater or mica heater, a positive temperature coefficient thermistor, also known as a PTC heater, or a mica heater; a gas powered heating element fueled by butane or similar gas fuel; or any other suitable heating element.
- the power level of the heater and power supply should be sufficient to maintain the temperatures required for curling hair.
- the heating element of the present invention may be heated by a power cord 40 as shown in the drawings and described above.
- the heating element may alternatively be powered by line voltage, direct current, batteries, a gas source, by transfer of thermal energy from a separate heat source, or any other appropriate power source, all of which are contemplated by the present invention.
- the power supply in the present invention should be able to sustain a heating element temperature sufficient to curl hair.
- the power supply should be able to heat the heating element to at least 90° C.
- the power supply should be capable of heating the curling iron barrel 30 and maintaining temperatures of 120-200° C.
- the device of the present invention will have a rapid heat-up time; for instance, the power supply may enable the heating element to reach 120° C. in approximately one and a half minutes.
- This heating time is presented for illustration only, and faster and slower heating times are contemplated by and should be considered to be included within the scope of the present invention.
- the handle 20 of the hair styling device 10 comprises unique indicator and function control means.
- the handle includes a visual user display 50 shown in the form of a liquid crystal diode (“LCD”) display means.
- the LCD 50 is powered by the power supply (e.g. 20 ) of the hair styling unit 10 .
- a close-up view of the display 50 is shown in FIG. 2 .
- the display includes a first operating condition indicator 52 of the device in the form of a temperature setting indicator 52 .
- the device 10 is programmed to assign a number or range of numbers to particular temperatures.
- the temperature settings may be set up according to the following table: TABLE 1 SETTING APPLICATION TEMPERATURE (° C.) 01-06 Very fine hair/fragile hair 120 07-12 Easy to curl hair 140 13-15 Normal/textured hair 160 16-20 Wavy/curly hair 180 21-30 Coarse/very thick hair 200
- Temperatures or ranges may be assigned to various settings consisting of numbers, letters, descriptive terms (such as LOW, MEDIUM and HIGH) or other letters or symbols.
- a default temperature setting when the hair styling device 10 is powered on, a default temperature setting will be activated.
- the hair styling device 10 will automatically begin to heat to that default temperature unless the heat is adjusted up or down by the user.
- the default setting may be the middle heat setting of 15.
- the default setting may alternatively be the lowest or highest setting.
- a user of a hair styling device 10 in accordance with the present invention could set her own default temperature which will be “saved” by the hair styling device 10 such that whenever the hair styling device 10 is powered “on”, it will automatically heat up to the specific user's desired temperature.
- the barrel temperature is controlled by a high speed switching diode.
- the diode acts as a sensor to cut off power and to maintain the temperature of the barrel at the setting selected by the user.
- Many switches for controlling electrical power to a device are known in the art. It is contemplated that any one of these switches or a combination of switches could be used to control the power to the heating element or LCD of the present invention.
- the present invention may comprise one or more “buttons” 60 to control the various functions of the styling device. It is contemplated that one of the buttons would be an “on/off switch”, that a second and/or third button(s) would be used to select the temperature setting for the styling device. Additional buttons 60 could be added to control various other features of the styling device 10 such as timers, ion functions, heat bursts, cool shots, sleep mode, etc.
- the on/off button would function as follows: a user would press and hold the button for a short time, for instance one second, to switch the unit on or off.
- a user would press an “up” or “+” button to increase the temperature setting and a “down” or “ ⁇ ” button to decrease the temperature setting.
- a “+” or “ ⁇ ” button would move the temperature setting one setting level up or down (e.g. from 15 to 16 or from 15 to 14).
- the user could cause the temperature setting to go in “fast forward” or “fast reverse” by pressing and holding a “+” or “ ⁇ ” button.
- the hair styling device 10 of the present invention may also include an automatic shut-off feature which will power off the heating element after the hair styling device 10 has been on for a predetermined length of time.
- the LCD display 50 includes a second operating condition indicator 54 of the device 10 in the form of a “clock” which indicates to the user how long the styling device 10 has been in use.
- the “clock” 54 comprises a circle divided into a number of wedge-shaped segments 56 . Each segment 56 will flash or be illuminated for a certain period of time while the hair styling device 10 is powered on. It is contemplated that when the styling device 10 is first turned on, a first segment 56 begins flashing to indicate a first increment of time. However, it is also within the scope of the present invention to have all segments “on” when the styling device 10 is powered “on” and one segment 56 at a time may shut off or disappear to indicate the passing of an increment of time.
- the clock 54 is divided into twelve segments 56 , each segment representing five minutes.
- a first segment 56 begins to flash. After five minutes, this segment 56 will stop flashing and will stay in its “on” state.
- a second segment 56 begins to flash for five minutes. This goes on until all segments 56 are “lit”, representing an hour (60 minutes). This will allow a user to track how long the styling device 10 has been “on”.
- the styling device 10 will either shut off or switch to a “sleep” mode. In the “sleep” mode, the heater for the styling device is powered “off”, but the main circuit for the unit 10 is still running. The unit 10 must be disconnected from its power source to reset.
- the LCD display 50 will typically have a background light which will turn “on” whenever any of the buttons 60 described above is pressed.
- the light will remain on for a short period of time (e.g. 1-5 seconds). If no other buttons are pressed within this time period, the light will turn off. The light may also remain on for the entire time that the heating element is powered on, however, this may be considered a waste of power.
- the present invention may further comprise an alarm 70 or “beeper” which may be used to remind the user of the automatic shut-off or “sleep” feature.
- the beeper 70 may be configured to sound at a certain predetermined time before the unit shuts off the heating element.
- the beeper 70 may also be configured to sound at a plurality of predetermined time intervals prior to the shut-off of the heating element to provide the user multiple warnings of this occurrence. For instance, the beeper 70 may be configured to sound every six seconds for one minute prior to shut-off or entering sleep mode.
- the beeper 70 may additionally be configured to sound when the unit 10 has reached the desired barrel temperature.
- the beeper 70 may have different sounds to indicate the various states of the styling device. For instance, the beeper 70 may sound multiple times in succession to indicate that the barrel 30 has reached a desired styling temperature. Conversely, the beeper 70 may have a different pattern or only one tone to indicate shut-off. Alternatively, different tones or patterns may be used to indicate different states. It is contemplated by the present invention that these indicators may be programmed into the styling device 10 before purchase or the user may have the option to select her preference for audible indicators in the styling device 10 .
- the styling unit 10 may also comprise a small light emitting diode (LED) light 80 on the handle 20 .
- LED small light emitting diode
- This light 80 can serve as an indicator of when the curling iron 10 has reached its desired temperature. For instance, when the hair styling device 10 is powered on, the light 80 will begin to blink. When the barrel 30 reaches the desired temperature, based on the setting, the light will stop blinking and will stay in its on or off position.
- LED small light emitting diode
- FIG. 9 a circuit diagram 110 is shown for use in the present invention as shown in FIG. 1 .
- the circuit diagram 110 shows, in general terms, the heater 112 , AC power source 114 , LCD display 116 , audio buzzer 118 , LED lights 120 , clock 122 , on/off switch 124 , variable setting thermistor 126 , and chip 124 .
- the hair styling device 10 ′ is shown as a hair dryer.
- the hair dryer hair styling device 10 ′ comprises a handle 20 ′ and a barrel 30 ′.
- the outer shell portion of the hair dryer may be fabricated of a substantially non-heat conducting, and/or electrically insulated material, such as plastic.
- a motor rotates a fan to achieve air flow through the hair dryer 10 ′.
- air inlets at the inlet grill 82 .
- the air inlet grill 82 will be directly formed in a rear or side portion of the barrel of the hair styling device 10 ′ or in an upper portion of the handle.
- the air drawn into the hair dryer through air inlets 82 passes over a heating element, typically found inside the barrel 30 ′.
- the heating element may be a conventional type heating element such as a resistance wire that is powered by the same energy source as the fan and motor.
- the heating element warms the air as it passes over the heating element before it is expelled from the hair styling device 10 ′ through an outlet 84 in the end of the barrel 30 ′.
- the outlet 84 does not need to be completely open to accomplish the hair styling device's purpose.
- any means which will allow air to pass out of the air outlet of the hair dryer is considered an opening.
- the outlet end 84 of the barrel 30 ′ may comprise slits or holes through which the air flows.
- the hair styling device 10 ′ also includes an LCD user interface 50 ′.
- the LCD interface 50 ′ may be located on the handle 20 ′ or the barrel 30 ′. It is contemplated by the present invention that the LCD 50 ′ will be powered by the same power supply as the motor and heater, for instance, power supply cord 40 .
- the LCD display 50 ′ is best shown in FIG. 4 showing a first operating characteristic or condition 52 ′ of the device 10 ′ and a second operating condition 54 ′ of the device 10 ′.
- the first operating condition 52 is the heat setting similar to that of the previous embodiment.
- the second operating condition 54 ′ shown is the actual temperature of the device.
- the LCD display 50 ′ could display a message indicating that the device has been powered on.
- the LCD interface 50 ′ may also display many other pieces of information, such as length of time the device has been in use or any other information a user would want to know about the operating state of the device 10 ′ dryer such as, but not limited to, a temperature change indicator, an airflow rate change indicator, a wattage consumption rate change indicator, and a shut-off timer.
- the present invention may further comprise an alarm or “beeper” 70 similar to that in the previous embodiment which may be used to remind the user of the various operating states of the device.
- the beeper 70 may be configured to after the hair dryer has been in use for a certain period of time.
- the beeper 70 may also be configured to sound at a plurality of predetermined time intervals during use of the hair dryer. Further, the beeper 70 may be used to indicate various temperature or air speed settings, a temperature change, an airflow rate change, a wattage consumption rate change, or that the device 10 ′ is shutting off.
- the beeper 70 may have different sounds to indicate the various states of the styling device 10 ′. For instance, after the device 10 ′ is powered on, it may take several seconds or more for the heating element or the fan motor to reach the desired temperature and/or speed.
- the device 10 ′ may have an “auto shut off”/audible tone feature that works in the following manner: Every fifteen minutes, the beeper 70 will give off two long (2 second) tones which will serve as a time reference for the user. After 60 minutes the device 10 ′ will emit 5 small beeps indicating the unit will now power off and go into “sleep mode”. The beeper 70 may also sound to indicate that the device 10 ′ has reached a desired state.
- the beeper 70 may have different patterns of sounding to indicate various conditions. It is contemplated by the present invention that these indicators may be programmed into the styling device 10 ′ before purchase, or the user may have the option to select her preference for audible indicators in the styling device 10 ′.
- the hair styling device 10 ′′ is again shown as a hair dryer having handle 20 and barrel 30 .
- the hair styling device controls 60 and LCD display 50 are integrated in a functional manner providing visual indication of five operating conditions of the hair styling device.
- the LCD display 50 depicts the heat setting 52 and air flow speed 58 as a plurality of boxes that light up between a maximum and minimum setting, each having a respective set of up and down controls 61 on handle 20 .
- the plurality of square boxes 52 , 58 will flash at the desired setting and will stop flashing when the heat become stable at the desired setting.
- the LCD display also signals whether the “cool shot” control button 63 is engaged indicated by the letter “C” which indicates that the heater is off.
- the LCD display also signals whether the “ionic” control button 65 is engaged indicated by the letter “I” which indicates that the anti-static ion feature is engaged.
- the LCD display also includes a timer clock 54 comprises a circle divided into a number of wedge-shaped segments 56 similar to that shown in FIG. 2 .
- These LCD display 50 may also be associated with an alarm as previously discussed, or can be used without the alarm feature.
- the LCD visual interface 50 showing operating conditions of the hair styling device would be especially beneficial to a user that has a hearing impediment or is deaf.
- an air brush 10 ′′′′ is shown utilizing an LCD display 50 and a hair straightener/crimper 10 ′′′′ is shown utilizing an LCD display 50 , respectively.
- the hair styling device 10 is represented by several examples specifically mentioned in this specification and shown in the drawings, other hair styling devices are within the scope of the present invention.
- LCD displays of operating conditions of the device and audible signal means could be coupled to devices including, but not limited to, hot rollers, cylindrical air curling brushes, etc.
- specific embodiments described herein are included by way of example only and that variations of these embodiments are within the scope of the present invention.
- the examples described herein should not be deemed limiting of the claims appended hereto in any way.
Abstract
The present invention is a heated hair styling device comprising a handle (20), a body (30), an LCD visual interface (50), and an audible signal (70) to notify a user of particular states of operation of the hair styling device. The LCD (50) display provides information of at least one operating condition of the device, for example, the temperature of the device, the heat setting, the amount of time that the device has been “on”, etc.
Description
- This application claims the benefit of co-owned U.S. Provisional Patent Application Serial No. 60/346,921 filed Jan. 8, 2002, and U.S. Provisional Patent Application Serial No. 60/347,663 filed Jan. 11, 2002, both incorporated herein by reference. The present invention is directed to a visual user interface for a heated hair styling apparatus and, more particularly, to a user interface comprising an LED (Light Emitting Diode) or LCD (Liquid Crystal Display) to allow the user to view a variety of operating characteristics of the heated hair styling apparatus which may be a hair dryer, curling iron, or the like.
- Heated hair styling devices, such as curling irons, hair dryers, hair straighteners, hot rollers, and the like are well known. In recent years, many of these devices have been equipped with features such as temperature control and automatic shut-off. However, these heated hair styling devices are typically designed with little attention to the scope of the controls and level of feedback that its user receives. Generally, the user is presented with controls that do not accurately control the temperature of the device. Additionally, the controls may not allow the user to ascertain the operating temperature of the device. Without these capabilities of being able to accurately adjust the temperature or other operating characteristics of the device, the user is likely to be unable to sustain a desired hairstyle or look.
- Capabilities to accurately control the operating conditions of a heated hair styling device would be beneficial to users. Therefore, in light of the foregoing deficiencies in the prior art, the applicant's invention is herein presented.
- The present invention overcomes at least one disadvantage of the prior art by providing a hair styling device comprising a handle; a body; an audio signal which sounds an alarm when at least one predetermined operating condition is achieved; and a liquid crystal display (LCD) visual display positioned on one of the handle and the body, wherein the visual display provides information related to at least one operating condition of the device.
-
FIG. 1 is a perspective view of a handle of a heated hair styling device having a user interface in accordance with the present invention; -
FIG. 2 illustrates an LCD that may be used in conjunction with a hair styling device in accordance with the present invention; -
FIG. 3 is a perspective view of a second heated hair styling device having a user interface in accordance with the present invention; -
FIG. 4 illustrates another LCD that may be used in conjunction with a hair styling device in accordance with the present invention; -
FIG. 5 is a perspective view of a another heated hair styling device having a user interface as shown inFIG. 6 ; -
FIG. 6 illustrates an alternate version of an LCD that may be used in conjunction with a hair styling device in accordance with the present invention; -
FIG. 7 is a perspective view of a third heated hair styling device having a user interface in accordance with the present invention; -
FIG. 8 is a perspective view of a fourth heated hair styling device having a user interface in accordance with the present invention; and -
FIG. 9 is an example of a circuit diagram used with the present invention as shown inFIG. 1 . - In this detailed description, reference is made to the accompanying drawings which, in conjunction with this detailed description, illustrate and describe a hair styling device having a visual user interface in accordance with the present invention. While specific devices, such as a hair dryer or a curling iron are shown, the present invention is not limited by such examples which are provided for illustration of the invention application.
- Turning now to the drawings,
FIG. 1 , a hair styling device in the form of a curling iron, generally designated 10, in accordance with the present invention may have the well-known appearance of conventional curling irons. Thehair styling device 10 may comprise an elongated, generallycylindrical handle 20, a rod-like body orbarrel 30 joined in co-axial arrangement with thehandle 20. Thehair styling device 10 further comprises a clip-like tong 32, rotatably secured to thebarrel 30 proximate to the junction of thebarrel 30 to thehandle 20. - The
barrel 30 is typically comprised of a heat-conducting material, such as metal, which may be surface-treated to permit easy release of hair strands from the barrel after a curl is formed. Thebarrel 30 is typically tubular in form. The barrel may have a variety of diameters corresponding to a size or shape of curl desired by the user. One end of thebarrel 30 is connected to thehandle 20 so that the heater inside thebarrel 30 may be energized by a power source from thehandle 20. The end of thebarrel 30 opposite thehandle 20 has atip 34 comprised of a non-heat conducting material, such as plastic, so that a user may hold thehair styling device 10 at both ends without touching the heatedbarrel 30. - Similar to the
barrel 30, thetong 32 may be comprised of a heat-conducting material, such as metal. Thetong 32 comprises ahair grasping portion 36 and alever portion 38. Thelever portion 38 of thetong 32 has an area that is covered with a non-heat conductive substance, such as plastic, so that thelever portion 38 may be depressed by a user's finger or thumb without touching the hot surface of thetong 32. Thehair grasping portion 36 of thetong 32 extends along at least a portion of the length ofbarrel 30 and is arcuately formed so that when thetong 32 is in its closed position, its inside surface conforms to the curvature of thebarrel 30. - The
handle 20 is fabricated from a non-heat conducting, electrically insulated material, such as plastic. For instance, thehandle 20 may be comprised of polyvinyl chloride with a rubberized paint coating. Thehandle 20 may be internally hollowed to receive a conventional electricalpower supply cord 40. Thepower supply cord 40 is connected to a heating element (not shown) within thebarrel 30 of thehair styling device 10. In a preferred embodiment, the heating element is a known resistance type heater. The heating element may be comprised of a resistance wire encapsulated in an electrically insulating sleeve, also known as a rope heater; a resistance wire encapsulated in ceramic material, also known as a ceramic heater or mica heater, a positive temperature coefficient thermistor, also known as a PTC heater, or a mica heater; a gas powered heating element fueled by butane or similar gas fuel; or any other suitable heating element. The power level of the heater and power supply should be sufficient to maintain the temperatures required for curling hair. The heating element of the present invention may be heated by apower cord 40 as shown in the drawings and described above. The heating element may alternatively be powered by line voltage, direct current, batteries, a gas source, by transfer of thermal energy from a separate heat source, or any other appropriate power source, all of which are contemplated by the present invention. - The power supply in the present invention should be able to sustain a heating element temperature sufficient to curl hair. For instance, in one embodiment, the power supply should be able to heat the heating element to at least 90° C. In another embodiment, the power supply should be capable of heating the
curling iron barrel 30 and maintaining temperatures of 120-200° C. - In addition, it is contemplated that the device of the present invention will have a rapid heat-up time; for instance, the power supply may enable the heating element to reach 120° C. in approximately one and a half minutes. This heating time is presented for illustration only, and faster and slower heating times are contemplated by and should be considered to be included within the scope of the present invention.
- The
handle 20 of thehair styling device 10 comprises unique indicator and function control means. The handle includes avisual user display 50 shown in the form of a liquid crystal diode (“LCD”) display means. TheLCD 50 is powered by the power supply (e.g. 20) of thehair styling unit 10. A close-up view of thedisplay 50 is shown inFIG. 2 . The display includes a firstoperating condition indicator 52 of the device in the form of atemperature setting indicator 52. In one embodiment, thedevice 10 is programmed to assign a number or range of numbers to particular temperatures. For instance, the temperature settings may be set up according to the following table:TABLE 1 SETTING APPLICATION TEMPERATURE (° C.) 01-06 Very fine hair/ fragile hair 120 07-12 Easy to curl hair 140 13-15 Normal/textured hair 160 16-20 Wavy/curly hair 180 21-30 Coarse/very thick hair 200 - The above table is presented by way of example only and should not be deemed to limit the scope of the invention in any way. Temperatures or ranges may be assigned to various settings consisting of numbers, letters, descriptive terms (such as LOW, MEDIUM and HIGH) or other letters or symbols.
- It is contemplated by the present invention that when the
hair styling device 10 is powered on, a default temperature setting will be activated. Thehair styling device 10 will automatically begin to heat to that default temperature unless the heat is adjusted up or down by the user. For instance, in the numbering system shown in Table 1, the default setting may be the middle heat setting of 15. The default setting may alternatively be the lowest or highest setting. It is also contemplated that a user of ahair styling device 10 in accordance with the present invention could set her own default temperature which will be “saved” by thehair styling device 10 such that whenever thehair styling device 10 is powered “on”, it will automatically heat up to the specific user's desired temperature. - In one embodiment of the present invention, the barrel temperature is controlled by a high speed switching diode. The diode acts as a sensor to cut off power and to maintain the temperature of the barrel at the setting selected by the user. Many switches for controlling electrical power to a device are known in the art. It is contemplated that any one of these switches or a combination of switches could be used to control the power to the heating element or LCD of the present invention.
- For example, the present invention may comprise one or more “buttons” 60 to control the various functions of the styling device. It is contemplated that one of the buttons would be an “on/off switch”, that a second and/or third button(s) would be used to select the temperature setting for the styling device.
Additional buttons 60 could be added to control various other features of thestyling device 10 such as timers, ion functions, heat bursts, cool shots, sleep mode, etc. - It is contemplated that the on/off button would function as follows: a user would press and hold the button for a short time, for instance one second, to switch the unit on or off. For the temperature control button, it is contemplated that a user would press an “up” or “+” button to increase the temperature setting and a “down” or “−” button to decrease the temperature setting. For instance, one press of a “+” or “−” button would move the temperature setting one setting level up or down (e.g. from 15 to 16 or from 15 to 14). It is also contemplated by the present invention that the user could cause the temperature setting to go in “fast forward” or “fast reverse” by pressing and holding a “+” or “−” button.
- The
hair styling device 10 of the present invention may also include an automatic shut-off feature which will power off the heating element after thehair styling device 10 has been on for a predetermined length of time. As shown inFIG. 2 , theLCD display 50 includes a secondoperating condition indicator 54 of thedevice 10 in the form of a “clock” which indicates to the user how long thestyling device 10 has been in use. In one embodiment, the “clock” 54 comprises a circle divided into a number of wedge-shapedsegments 56. Eachsegment 56 will flash or be illuminated for a certain period of time while thehair styling device 10 is powered on. It is contemplated that when thestyling device 10 is first turned on, afirst segment 56 begins flashing to indicate a first increment of time. However, it is also within the scope of the present invention to have all segments “on” when thestyling device 10 is powered “on” and onesegment 56 at a time may shut off or disappear to indicate the passing of an increment of time. - For example, in one embodiment of the present invention, the
clock 54 is divided into twelvesegments 56, each segment representing five minutes. When thehair styling device 10 is powered on, afirst segment 56 begins to flash. After five minutes, thissegment 56 will stop flashing and will stay in its “on” state. Simultaneously, asecond segment 56 begins to flash for five minutes. This goes on until allsegments 56 are “lit”, representing an hour (60 minutes). This will allow a user to track how long thestyling device 10 has been “on”. When all twelvesegments 56 are “lit”, thestyling device 10 will either shut off or switch to a “sleep” mode. In the “sleep” mode, the heater for the styling device is powered “off”, but the main circuit for theunit 10 is still running. Theunit 10 must be disconnected from its power source to reset. It should be understood that this explanation is presented by way of example only and that many variations of this example are included within the scope of the present invention. - The
LCD display 50 will typically have a background light which will turn “on” whenever any of thebuttons 60 described above is pressed. The light will remain on for a short period of time (e.g. 1-5 seconds). If no other buttons are pressed within this time period, the light will turn off. The light may also remain on for the entire time that the heating element is powered on, however, this may be considered a waste of power. - The present invention may further comprise an
alarm 70 or “beeper” which may be used to remind the user of the automatic shut-off or “sleep” feature. Thebeeper 70 may be configured to sound at a certain predetermined time before the unit shuts off the heating element. Thebeeper 70 may also be configured to sound at a plurality of predetermined time intervals prior to the shut-off of the heating element to provide the user multiple warnings of this occurrence. For instance, thebeeper 70 may be configured to sound every six seconds for one minute prior to shut-off or entering sleep mode. Thebeeper 70 may additionally be configured to sound when theunit 10 has reached the desired barrel temperature. - It is also contemplated by the present invention that the
beeper 70 may have different sounds to indicate the various states of the styling device. For instance, thebeeper 70 may sound multiple times in succession to indicate that thebarrel 30 has reached a desired styling temperature. Conversely, thebeeper 70 may have a different pattern or only one tone to indicate shut-off. Alternatively, different tones or patterns may be used to indicate different states. It is contemplated by the present invention that these indicators may be programmed into thestyling device 10 before purchase or the user may have the option to select her preference for audible indicators in thestyling device 10. - In another embodiment of the present invention, the
styling unit 10 may also comprise a small light emitting diode (LED) light 80 on thehandle 20. This light 80 can serve as an indicator of when the curlingiron 10 has reached its desired temperature. For instance, when thehair styling device 10 is powered on, the light 80 will begin to blink. When thebarrel 30 reaches the desired temperature, based on the setting, the light will stop blinking and will stay in its on or off position. - Referring now to
FIG. 9 , a circuit diagram 110 is shown for use in the present invention as shown inFIG. 1 . The circuit diagram 110 shows, in general terms, theheater 112,AC power source 114,LCD display 116,audio buzzer 118,LED lights 120,clock 122, on/offswitch 124,variable setting thermistor 126, andchip 124. - Referring now to
FIG. 3 , thehair styling device 10′ is shown as a hair dryer. The hair dryerhair styling device 10′ comprises ahandle 20′ and abarrel 30′. The outer shell portion of the hair dryer may be fabricated of a substantially non-heat conducting, and/or electrically insulated material, such as plastic. In typical hair dryers, a motor rotates a fan to achieve air flow through thehair dryer 10′. When power is supplied to the motor and the fan rotates, air is drawn into thehair styling device 10′ through air inlets at theinlet grill 82. It is also contemplated that theair inlet grill 82 will be directly formed in a rear or side portion of the barrel of thehair styling device 10′ or in an upper portion of the handle. The air drawn into the hair dryer throughair inlets 82 passes over a heating element, typically found inside thebarrel 30′. The heating element may be a conventional type heating element such as a resistance wire that is powered by the same energy source as the fan and motor. The heating element warms the air as it passes over the heating element before it is expelled from thehair styling device 10′ through anoutlet 84 in the end of thebarrel 30′. Theoutlet 84 does not need to be completely open to accomplish the hair styling device's purpose. For the purposes of this invention, any means which will allow air to pass out of the air outlet of the hair dryer is considered an opening. For instance, the outlet end 84 of thebarrel 30′ may comprise slits or holes through which the air flows. - Similar to the previous embodiment,
buttons 60 control the various functions of thedevice 10′. Thehair styling device 10′ also includes anLCD user interface 50′. TheLCD interface 50′ may be located on thehandle 20′ or thebarrel 30′. It is contemplated by the present invention that theLCD 50′ will be powered by the same power supply as the motor and heater, for instance,power supply cord 40. TheLCD display 50′ is best shown inFIG. 4 showing a first operating characteristic orcondition 52′ of thedevice 10′ and asecond operating condition 54′ of thedevice 10′. In the example shown inFIG. 4 , thefirst operating condition 52 is the heat setting similar to that of the previous embodiment. Thesecond operating condition 54′ shown is the actual temperature of the device. TheLCD display 50′ could display a message indicating that the device has been powered on. TheLCD interface 50′may also display many other pieces of information, such as length of time the device has been in use or any other information a user would want to know about the operating state of thedevice 10′ dryer such as, but not limited to, a temperature change indicator, an airflow rate change indicator, a wattage consumption rate change indicator, and a shut-off timer. - Some of the changes in the operating characteristics of
device 10′ may not be apparent from a change in the sound of the motor. Accordingly, the present invention may further comprise an alarm or “beeper” 70 similar to that in the previous embodiment which may be used to remind the user of the various operating states of the device. Thebeeper 70 may be configured to after the hair dryer has been in use for a certain period of time. Thebeeper 70 may also be configured to sound at a plurality of predetermined time intervals during use of the hair dryer. Further, thebeeper 70 may be used to indicate various temperature or air speed settings, a temperature change, an airflow rate change, a wattage consumption rate change, or that thedevice 10′ is shutting off. - It is also contemplated by the present invention that the
beeper 70 may have different sounds to indicate the various states of thestyling device 10′. For instance, after thedevice 10′ is powered on, it may take several seconds or more for the heating element or the fan motor to reach the desired temperature and/or speed. In addition, thedevice 10′ may have an “auto shut off”/audible tone feature that works in the following manner: Every fifteen minutes, thebeeper 70 will give off two long (2 second) tones which will serve as a time reference for the user. After 60 minutes thedevice 10′ will emit 5 small beeps indicating the unit will now power off and go into “sleep mode”. Thebeeper 70 may also sound to indicate that thedevice 10′ has reached a desired state. Thebeeper 70 may have different patterns of sounding to indicate various conditions. It is contemplated by the present invention that these indicators may be programmed into thestyling device 10′ before purchase, or the user may have the option to select her preference for audible indicators in thestyling device 10′. - Referring now to
FIGS. 5 and 6 , thehair styling device 10″ is again shown as a hairdryer having handle 20 andbarrel 30. The hair styling device controls 60 andLCD display 50 are integrated in a functional manner providing visual indication of five operating conditions of the hair styling device. TheLCD display 50 depicts the heat setting 52 andair flow speed 58 as a plurality of boxes that light up between a maximum and minimum setting, each having a respective set of up and down controls 61 onhandle 20. The plurality ofsquare boxes control button 63 is engaged indicated by the letter “C” which indicates that the heater is off. The LCD display also signals whether the “ionic”control button 65 is engaged indicated by the letter “I” which indicates that the anti-static ion feature is engaged. The LCD display also includes atimer clock 54 comprises a circle divided into a number of wedge-shapedsegments 56 similar to that shown inFIG. 2 . TheseLCD display 50 may also be associated with an alarm as previously discussed, or can be used without the alarm feature. The LCDvisual interface 50 showing operating conditions of the hair styling device would be especially beneficial to a user that has a hearing impediment or is deaf. - Referring now to
FIGS. 7 and 8 , anair brush 10″″ is shown utilizing anLCD display 50 and a hair straightener/crimper 10″″ is shown utilizing anLCD display 50, respectively. - Accordingly, it should be understood that although the
hair styling device 10 is represented by several examples specifically mentioned in this specification and shown in the drawings, other hair styling devices are within the scope of the present invention. LCD displays of operating conditions of the device and audible signal means could be coupled to devices including, but not limited to, hot rollers, cylindrical air curling brushes, etc. It should be understood that specific embodiments described herein are included by way of example only and that variations of these embodiments are within the scope of the present invention. The examples described herein should not be deemed limiting of the claims appended hereto in any way.
Claims (20)
1. A hair styling device comprising:
a handle;
a body;
a liquid crystal display (LCD) visual display positioned on one of the handle and the body, wherein the visual display provides information related to at least one operating condition of the device;
an audio signal which sounds an alarm after a predetermined operating time at which time the device automatically shuts off.
2. The hair styling device of claim 1 , wherein the visual display provides information related to at least two operating conditions of the device.
3. The hair styling device of claim 2 , wherein the at least two operating conditions include a timer indicator and a temperature setting indicator.
4. The hair styling device of claim 2 , wherein the at least two operating conditions include an actual temperature indicator and a temperature setting indicator.
5. The hair styling device of claim 2 , wherein the at least two operating conditions include an actual temperature indicator and a timer indicator.
6. The hair styling device of claim 3 , wherein the audio signal sounds an alarm when the operating condition of the device reaches a setting of the device.
7. The hair styling device of claim 1 , wherein the hair styling device is a device selected from the group consisting of a curling iron, a hair straightener/crimper, and hot curlers.
8. The hair styling device of claim 1 , wherein the hair styling device is a device selected from the group consisting of a hair dryer and an air brush.
9. The hair styling device of claim 8 , wherein the at least one operating condition is selected from the group consisting of a temperature indicator, a temperature setting indicator, an airflow rate, a wattage consumption indicator, and a timer.
10. The hair styling device of claim 1 , wherein the handle is rotatable with respect to the body by at least 180 degrees.
11. The hair styling device of claim 1 , wherein the visual display further comprises a background light.
12. The hair styling device of claim 2 , wherein the LCD provides both numeric and symbolic data.
13. A hair styling device comprising:
a handle;
a body;
an audio signal which sounds an alarm when at least one predetermined operating condition is achieved; and
a visual display positioned on one of the handle and body;
wherein the visual display comprises a liquid crystal display (LCD) which provides information related to at least two operating conditions of the device.
14. The hair styling device of claim 13 , wherein the at least one predetermined operating condition is a predetermined temperature.
15. The hair styling device of claim 13 , wherein the hair styling device is a device selected from the group consisting of a curling iron, a hair straightener, and a hair crimper.
16. The hair styling device of claim 14 , wherein the LCD provides both numeric and symbolic data.
17. The hair styling device of claim 13 , wherein the hair styling device is a hair dryer.
18. The hair styling device of claim 17 , wherein the at least two operating conditions are selected from the group consisting of a temperature indicator, a temperature setting indicator, an airflow rate setting, and airflow rate, a wattage consumption rate indicator, and a timer.
19. The hair styling device of claim 13 , wherein the display comprises a timer wherein the audio signal sounds an alarm when the timer indicator reaches a predetermined time limit.
20. A method of manufacturing a hair styling device comprising the steps of:
providing a handle;
providing a body;
providing electronic circuitry comprising an audio signal which sounds an alarm when at least one predetermined operating condition is achieved and an LCD display wherein the electronic circuitry is designed to provide at least one operational characteristic of the device to the LCD during operation; and
inserting the electronic circuitry into the handle and the body of the hair styling device such the LCD is visible on the surface of one of the handle and the body of the hair styling device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/499,136 US20050011533A1 (en) | 2002-01-08 | 2003-01-06 | Visual user interface for hair styling apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US34766302P | 2002-01-11 | 2002-01-11 | |
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PCT/US2003/000244 WO2003056971A1 (en) | 2002-01-08 | 2003-01-06 | Visual user interface for hair styling apparatus |
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US20050011533A1 true US20050011533A1 (en) | 2005-01-20 |
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US10/499,136 Abandoned US20050011533A1 (en) | 2002-01-08 | 2003-01-06 | Visual user interface for hair styling apparatus |
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AU (1) | AU2003209161A1 (en) |
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Also Published As
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AU2003209161A1 (en) | 2003-07-24 |
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