WO2008006731A1 - Heater device for footwear, gloves and the like - Google Patents

Heater device for footwear, gloves and the like Download PDF

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Publication number
WO2008006731A1
WO2008006731A1 PCT/EP2007/056654 EP2007056654W WO2008006731A1 WO 2008006731 A1 WO2008006731 A1 WO 2008006731A1 EP 2007056654 W EP2007056654 W EP 2007056654W WO 2008006731 A1 WO2008006731 A1 WO 2008006731A1
Authority
WO
WIPO (PCT)
Prior art keywords
heater device
battery
heating element
microprocessor
switch
Prior art date
Application number
PCT/EP2007/056654
Other languages
French (fr)
Inventor
Davide Pavanello
Luigi Fincato
Modesto Dona'
Original Assignee
Insalp S.R.L.
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 Insalp S.R.L. filed Critical Insalp S.R.L.
Publication of WO2008006731A1 publication Critical patent/WO2008006731A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/015—Protective gloves
    • A41D19/01529—Protective gloves with thermal or fire protection
    • A41D19/01535—Heated gloves
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
    • A43B3/35—Footwear characterised by the shape or the use with electrical or electronic arrangements with electric heating arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/005—Heaters using a particular layout for the resistive material or resistive elements using multiple resistive elements or resistive zones isolated from each other
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/011—Heaters using laterally extending conductive material as connecting means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/013—Heaters using resistive films or coatings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/036—Heaters specially adapted for garment heating

Definitions

  • the present invention relates to a heater device for footwear, gloves and the like.
  • Heater devices for footwear are known.
  • One of these consists of an insole housing internally a heating element consisting of a resistance element powered by a rechargeable battery.
  • a main problem of these heating elements is the difficulty of controlling the power delivered by the battery to ensure comfortable heating of the insole and hence of the user's foot.
  • the power, and consequently the temperature is currently controlled manually or by using resistance elements produced by PTC ink.
  • the heating elements regulated by hand it is necessary to wait for the hot or cold feeling before being able to regulate the power, and this implies a delayed reaction, or a reaction depending on the personal sensation to temperature; in its turn a delayed reaction, connected to the scarce sensibility of the user, may cause burns or chilblains.
  • the resistive ink itself forms a temperature control element in the sense that as the temperature increases, the resistance of the heating element increases, leading to a reduction in the power delivered by the battery.
  • resistivity variations are fairly small within the range in which the heating element is used, for which reason its temperature has to be controlled by an on-off switch to connect and disconnect the battery, which always powers the heating element at its rated voltage. The result is an unnecessary electrical energy consumption and an unpleasant sensation for the user, should the footwear be worn in a heated environment.
  • Figure 1 is a schematic plan view of a footwear insole provided with the heater device of the invention
  • FIG. 2 shows its block diagram
  • Figure 3 shows schematically a glove finger provided with the heating element.
  • the device of the invention can be advantageously used in a footwear insole 2 ( Figure 1 ) or a glove ( Figure 3) or in similar applications
  • this comprises a flexible resistance element 4 formed from several bands of resistive ink inserted between conducting tracks connected to two terminals 6. These latter are connected to a control module 8 powered by a rechargeable battery 10, preferably of lithium type, and controlled by a microprocessor 12, also powered by the battery 10 and able to modify the voltage powering the heating element 4 on the basis of the output signal of a temperature sensor 14, which can be the actual heating element 4 or a separate sensor applied in proximity thereto.
  • the microprocessor 12 is programmed such that the control curve of powering voltage against the temperature measured by the sensor 14 shows the predetermined variation.
  • PWM pulse-width modulation
  • this control curve can show a constant voltage powering the heating element 4, equal to the rated battery 10 voltage (or the duty cycle of the PWM equal to 100%) as far as a predetermined temperature, for example 20°C, followed by a more or less linear decreasing variation until a voltage (or a duty cycle of the PWM) close to zero is reached at a temperature close to human body temperature (about 37°C), then followed by a voltage (or a duty cycle of the PWM) of virtually zero.
  • This control curve pattern is suggested by way of example, different patterns being definable to meet specific requirements.
  • an activation circuit is associated, which in the case of manual activation can be a simple switch 16.
  • the switch acts preferably on two wires brought to the outside of the insole 2, in a position comfortable for the operator.
  • This switch can be instantaneous or timed (timer).
  • the activation circuit can consist of a magnetic switch 18, operated by causing a magnet to approach the insole 2.
  • the remote controller can also be a cellular telephone provided with bluetooth system 24, if the receiving unit is arranged to dialogue therewith.
  • a transmitting unit can also be associated able to transmit to the remote controller a signal signifying the state of the unit itself.
  • the transmitting unit can also transmit to the remote controller different signals concerning possible malfunctions or concerning the battery charge condition.
  • the remote controller once operated, to automatically repeat the on-off command several times, to give the user reasonable certainty of correct execution.
  • the activation device is a remote controller, this could also regulate the operating temperature of the insole, to adapt the operating conditions to user requirements. Such regulation can be effected after setting the microprocessor 12 to receive a regulating command, this being in voluntary form, for example via the remote controller itself, or in automatic form, for example within a short period from the commencement of charging of the battery 10, i.e. when the insole is safely in the rest condition.
  • the heater device of the invention also comprises an indicator indicating its operating state. This consists preferably of one or more LEDS 26, controlled by the microprocessor 12 and visible from the outside, even if incorporated in the insole 2.
  • the microprocessor 12 can simply pass from the lighted condition (continuous or flashing), indicating that the heating element 4 is powered, to the extinguished condition, indicating that the latter is at rest, or they can also indicate different operating states. For example they can indicate by a different colouration or by a different flashing frequency that the microprocessor 12 is set to receive a command for modifying the operating conditions (in particular the working temperature of the heating element), or that the battery 10 is being charged, or the possible adjusting of a comfort temperature.
  • the temperature sensor 14 can be embedded in the insole 2 in proximity to the heating element 4 and be separate therefrom, or can consist of the entire, or of part of, the heating element, in that case utilizing the variation in resistivity of the heating element, measured by the microprocessor 12.
  • the temperature can be controlled continuously by the microprocessor 12; if however the sensor 14 is the actual heating element 4, at predetermined time intervals (for example every 10-20 seconds) the microprocessor 12 disconnects the battery 10 from the heating element 4 and powers it for a short time period, sufficient to measure its resistance, and hence its temperature, which is a function thereof.
  • the lithium battery 10 is housed preferably in the heel of the insole 2, which is thicker than the front part and hence has physical dimensions more suitable for incorporating the battery. This is connected both to the microprocessor 12 to power it, and to the control module 8, via which it powers the heating element 4 at a continuous or pulse voltage controlled by the microprocessor 12.
  • the battery is preferably housed in a pocket provided in the rear region of the wrist.
  • the heating element 4 is preferably located at the ball of the foot; if however the heater device is incorporated into a glove, several heating elements 4 are applied corresponding with each finger, to wrap its end but to leave free the fingertip, which represents the part most sensitive to touch.
  • a heating element is applied to the rear part thereof.
  • a battery charger comprising two outlet cables provide with pins insertable into corresponding sockets with which each unit is provided.
  • a light-emitting indicator for example an LED, is associated with each outlet to indicate that charging is underway or that the respective unit has been completely charged.
  • An induction battery charger can also be used, provided with an upper surface in which a coil turn for each unit is incorporated.
  • a similar coil turn is provided in the battery of the corresponding unit, so that when the two units are placed on the surface, the coil turns of the batteries are coupled to the coil turns of the battery charger to enable the two batteries to be charged by induction.
  • the heating device it is also possible for the heating device to continue to work and heat up the sole or the glove during the recharging of the battery 10.
  • the power supplied by the battery charger must be greater than the one absorbed by the battery 10, and that the length of time for recharging the battery 10 will be longer, but while the battery is being recharged the sole or the glove will be drying.
  • the simultaneous feeding of the heating element 4 and of the battery may be obtained by shunting from the outgoing track of the battery 10 a socket, in which a plug connected to the battery charger may be inserted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Textile Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

A heater device for shoes, gloves and the like, characterised by comprising a heating element (4) powered by a rechargeable battery (10), a sensor (14) for measuring the temperature of the heating element (4), and a processing unit (8) with a microprocessor (12) programmed to control in a predetermined manner the electric supply to said heating element on the basis of the output signal of said sensor.

Description

HEATER DEVICE FOR FOOTWEAR, GLOVES AND THE LIKE
The present invention relates to a heater device for footwear, gloves and the like.
Heater devices for footwear are known. One of these consists of an insole housing internally a heating element consisting of a resistance element powered by a rechargeable battery. A main problem of these heating elements is the difficulty of controlling the power delivered by the battery to ensure comfortable heating of the insole and hence of the user's foot.
In this respect, the power, and consequently the temperature, is currently controlled manually or by using resistance elements produced by PTC ink.
Usually, in the heating elements regulated by hand it is necessary to wait for the hot or cold feeling before being able to regulate the power, and this implies a delayed reaction, or a reaction depending on the personal sensation to temperature; in its turn a delayed reaction, connected to the scarce sensibility of the user, may cause burns or chilblains. In the heating elements made with resistive ink, the resistive ink itself forms a temperature control element in the sense that as the temperature increases, the resistance of the heating element increases, leading to a reduction in the power delivered by the battery.
The limits of this solution derive from the fact that even if the resistance of the heating element varies as the temperature varies, these variations are related to the resistive ink characteristics and in particular to the behaviour of its resistivity as the temperature varies, these being unable to be modified to satisfy particular user requirements. In this respect, resistivity variations are fairly small within the range in which the heating element is used, for which reason its temperature has to be controlled by an on-off switch to connect and disconnect the battery, which always powers the heating element at its rated voltage. The result is an unnecessary electrical energy consumption and an unpleasant sensation for the user, should the footwear be worn in a heated environment.
The problem of establishing the desired correlation between the electrical power absorbed by the heating element and its temperature is solved according to the invention by a heater device for shoes, gloves and the like, as described in claim 1.
A preferred embodiment of the present invention is described in detail hereinafter by way of non-limiting example with reference to the accompanying drawings, in which:
Figure 1 is a schematic plan view of a footwear insole provided with the heater device of the invention,
Figure 2 shows its block diagram, and
Figure 3 shows schematically a glove finger provided with the heating element.
As can be seen from the figures the device of the invention can be advantageously used in a footwear insole 2 (Figure 1 ) or a glove (Figure 3) or in similar applications
In the embodiment shown in Figure 1 this comprises a flexible resistance element 4 formed from several bands of resistive ink inserted between conducting tracks connected to two terminals 6. These latter are connected to a control module 8 powered by a rechargeable battery 10, preferably of lithium type, and controlled by a microprocessor 12, also powered by the battery 10 and able to modify the voltage powering the heating element 4 on the basis of the output signal of a temperature sensor 14, which can be the actual heating element 4 or a separate sensor applied in proximity thereto. The microprocessor 12 is programmed such that the control curve of powering voltage against the temperature measured by the sensor 14 shows the predetermined variation.
As an alternative, it is also possible to regulate the outgoing power by pulse-width modulation (PWM). The microprocessor 12 is programmed so that the curve of the control of the supplying tension or the curve of the width of the electric impulses is mapped against the temperature read by sensor 14.
For example, this control curve can show a constant voltage powering the heating element 4, equal to the rated battery 10 voltage (or the duty cycle of the PWM equal to 100%) as far as a predetermined temperature, for example 20°C, followed by a more or less linear decreasing variation until a voltage (or a duty cycle of the PWM) close to zero is reached at a temperature close to human body temperature (about 37°C), then followed by a voltage (or a duty cycle of the PWM) of virtually zero.
This control curve pattern is suggested by way of example, different patterns being definable to meet specific requirements.
With the microprocessor 12 an activation circuit is associated, which in the case of manual activation can be a simple switch 16. In this case the switch acts preferably on two wires brought to the outside of the insole 2, in a position comfortable for the operator. This switch can be instantaneous or timed (timer). - A -
Again in the case of manual activation, the activation circuit can consist of a magnetic switch 18, operated by causing a magnet to approach the insole 2.
Finally it can consist of a receiving unit, if activation is to be achieved by an infrared or radiofrequency remote controller, 20, 22 respectively. In the second case the remote controller can also be a cellular telephone provided with bluetooth system 24, if the receiving unit is arranged to dialogue therewith.
With the activation circuit, in particular if this is a receiving unit, a transmitting unit can also be associated able to transmit to the remote controller a signal signifying the state of the unit itself. The transmitting unit can also transmit to the remote controller different signals concerning possible malfunctions or concerning the battery charge condition.
As an alternative to the transmitting unit, which indicates to the user the operating state of the heater, it is also possible for the remote controller, once operated, to automatically repeat the on-off command several times, to give the user reasonable certainty of correct execution.
If the activation device is a remote controller, this could also regulate the operating temperature of the insole, to adapt the operating conditions to user requirements. Such regulation can be effected after setting the microprocessor 12 to receive a regulating command, this being in voluntary form, for example via the remote controller itself, or in automatic form, for example within a short period from the commencement of charging of the battery 10, i.e. when the insole is safely in the rest condition. The heater device of the invention also comprises an indicator indicating its operating state. This consists preferably of one or more LEDS 26, controlled by the microprocessor 12 and visible from the outside, even if incorporated in the insole 2. They can simply pass from the lighted condition (continuous or flashing), indicating that the heating element 4 is powered, to the extinguished condition, indicating that the latter is at rest, or they can also indicate different operating states. For example they can indicate by a different colouration or by a different flashing frequency that the microprocessor 12 is set to receive a command for modifying the operating conditions (in particular the working temperature of the heating element), or that the battery 10 is being charged, or the possible adjusting of a comfort temperature.
As stated, another essential component of the heater device of the invention is the temperature sensor 14. This can be embedded in the insole 2 in proximity to the heating element 4 and be separate therefrom, or can consist of the entire, or of part of, the heating element, in that case utilizing the variation in resistivity of the heating element, measured by the microprocessor 12.
If the sensor 14 is separate from the heating element 4, the temperature can be controlled continuously by the microprocessor 12; if however the sensor 14 is the actual heating element 4, at predetermined time intervals (for example every 10-20 seconds) the microprocessor 12 disconnects the battery 10 from the heating element 4 and powers it for a short time period, sufficient to measure its resistance, and hence its temperature, which is a function thereof.
The lithium battery 10 is housed preferably in the heel of the insole 2, which is thicker than the front part and hence has physical dimensions more suitable for incorporating the battery. This is connected both to the microprocessor 12 to power it, and to the control module 8, via which it powers the heating element 4 at a continuous or pulse voltage controlled by the microprocessor 12.
If the heater device of the invention is applied to a glove, the battery is preferably housed in a pocket provided in the rear region of the wrist.
In the aforedescribed case of a heater device incorporated into an insole, the heating element 4 is preferably located at the ball of the foot; if however the heater device is incorporated into a glove, several heating elements 4 are applied corresponding with each finger, to wrap its end but to leave free the fingertip, which represents the part most sensitive to touch.
If the heater device is incorporated into a handgrip, a heating element is applied to the rear part thereof.
To charge the battery 10 housed in each unit to be heated (insole, glove or handgrip), a battery charger is provided comprising two outlet cables provide with pins insertable into corresponding sockets with which each unit is provided.
A light-emitting indicator, for example an LED, is associated with each outlet to indicate that charging is underway or that the respective unit has been completely charged.
An induction battery charger can also be used, provided with an upper surface in which a coil turn for each unit is incorporated. A similar coil turn is provided in the battery of the corresponding unit, so that when the two units are placed on the surface, the coil turns of the batteries are coupled to the coil turns of the battery charger to enable the two batteries to be charged by induction.
It is also possible for the heating device to continue to work and heat up the sole or the glove during the recharging of the battery 10. In this case it is obvious that the power supplied by the battery charger must be greater than the one absorbed by the battery 10, and that the length of time for recharging the battery 10 will be longer, but while the battery is being recharged the sole or the glove will be drying.
The simultaneous feeding of the heating element 4 and of the battery may be obtained by shunting from the outgoing track of the battery 10 a socket, in which a plug connected to the battery charger may be inserted.

Claims

C L A I M S
1. A heater device for shoes, gloves and the like, characterised by comprising a heating element (4) powered by a rechargeable battery (10), a sensor (14) for measuring the temperature of the heating element (4), and a processing unit (8) with a microprocessor (12) programmed to control in a predetermined manner the electric supply to said heating element on the basis of the output signal of said sensor.
2. A heater device as claimed in claim 1 , characterised in that the heating element (4) is fed with continuous tension the amplitude of which is controlled by said microprocessor (12).
3. A heater device as claimed in claim 1 , characterised in that the heating element (4) is fed with a pulse tension the width of which is controlled by said microprocessor (12).
4. A heater device as claimed in claim 1 , characterised in that the heating element consists of a flexible resistance element formed from conducting ink applied to an insulating support.
5. A heater device as claimed in claim 1 , characterised by being incorporated into the front part of a footwear insole (2).
6. A heater device as claimed in claim 1 , characterised by being applied laterally to each end of a glove finger.
7. A heater device as claimed in claim 1 , characterised by being applied to the rear portion of a handgrip.
8. A heater device as claimed in claim 1 , characterised in that the battery is incorporated into the rear part of a footwear insole.
9. A heater device as claimed in claim 1 , characterised in that the battery is housed in a pocket provided in the rear portion of a glove wrist part or of a handgrip.
10. A heater device as claimed in claim 1 , characterised in that a socket, into which a plug connected to a battery charger is insertable, is connected to the battery by at least two cables.
11. A heater device as claimed in claim 1 , characterised in that the battery (10) is associated with at least one coil turn cooperating with at least one corresponding coil turn provided in the battery charger for inductively charging the battery when rested with its housing unit on a surface of said battery charger.
12. A heater device as claimed in claim 10 or 11 , characterised in that the battery charger is provided with two outlets for simultaneously powering two batteries.
13. A heater device as claimed in claim 1 , characterised in that the temperature sensor is separate from the heating element and is located in proximity thereto.
14. A heater device as claimed in claim 1 , characterised in that the temperature sensor (14) is incorporated into the heating element (4).
15. A heater device as claimed in claim 13, characterised by being constantly connected to temperature measurement means pertaining to said microprocessor.
16. A heater device as claimed in claim 14, characterised by being connected to temperature measurement means pertaining to said microprocessor and operating at predetermined time intervals cyclically alternating with time intervals during which said heating element is powered by said battery for its regular operation.
17. A heater device as claimed in claim 1 , characterised by comprising a control module (8) powered by said battery (10) and controlled by said microprocessor (12).
18. A heater device as claimed in claim 1 , characterised by comprising a switch-on unit connected to said processing unit.
19. A heater device as claimed in claim 18, characterised in that said switch-on unit is a switch (16) accessible to the user and connected to said processing unit.
20. A heater device as claimed in claim 19, wherein said switch is a timer (time switch).
21. A heater device as claimed in claim 18, characterised in that said switch-on unit is a magnetic switch (18) which can be activated manually by the user by means of a magnet.
22. A heater device as claimed in claim 18, characterised in that said switch-on unit comprises a receiver associated with said processing unit and tuned to a remote controller.
23. A heater device as claimed in claim 22, characterised in that the connection between said remote controller (20) and said receiver is of infrared type.
24. A heater device as claimed in claim 22, characterised in that the connection between said remote controller (22) and said receiver is of radiofrequency type.
25. A heater device as claimed in claim 24, characterised in that the remote controller consists of a cellular telephone, communications between this and said receiver taking place in bluetooth mode (24).
26. A heater device as claimed in claim 22, characterised in that the remote controller is of type able to automatically repeat several times the command imparted by the operator.
27. A heater device as claimed in claim 24, characterised in that the processing unit comprises a radiofrequency transmitter able to confirm to the remote controller that the command imparted by this latter has been executed.
28. A heater device as claimed in claim 1 , characterised by comprising at least one light-emitting indicator (26) indicating the operating state of the device.
29. A heater device as claimed in claim 28, characterised in that said light- emitting indicator is an LED (26).
30. A heater device as claimed in claim 28, characterised in that said light- emitting indicator is controlled by said microprocessor (12).
31. A heater device as claimed in claim 30, characterised in that the processing unit comprises means for causing differential lighting of said LED, in accordance with the state of operation of the device and/or the charge state of the battery.
32. A heater device as claimed in claim 1 , characterised by comprising means for modifying the programming of said microprocessor.
33. A heater device as claimed in claim 32 characterised in that the microprocessor is provided with means for switch-over from the programming state to the normal operating state and vice versa.
34. A heater device as claimed in claim 33 characterised in that said switch over means can be operated manually.
35. A heater device as claimed in claim 33 characterised in that said switchover means are always set for normal operation and are only switched automatically to the programming state for a brief period, at the moment of connecting the battery to the battery charger.
36. A heater device as claimed in claims 24 and 34 characterised in that the radiofrequency remote controller is provided to also act on said switch-over means and on the programming of said microprocessor.
37. A heater device as claimed in claims 24 and 34 characterised in that a socket is derived from the outgoing wires of said battery (10) for connecting an outer battery charger feeding simultaneously said battery (10) and said heating element (4).
PCT/EP2007/056654 2006-07-13 2007-07-02 Heater device for footwear, gloves and the like WO2008006731A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVE2006A000045 2006-07-13
IT000045A ITVE20060045A1 (en) 2006-07-13 2006-07-13 HEATER FOR SHOES, GLOVES AND THE LIKE.

Publications (1)

Publication Number Publication Date
WO2008006731A1 true WO2008006731A1 (en) 2008-01-17

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Country Status (2)

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IT (1) ITVE20060045A1 (en)
WO (1) WO2008006731A1 (en)

Cited By (22)

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WO2011070269A1 (en) * 2009-12-10 2011-06-16 Societe D'importation De Diffusion Ou Distribution D'articles De Sport S.I.D.A.S. Heating system for a shoe
KR101339656B1 (en) 2012-02-22 2013-12-09 최두영 Heat generating insole
RU2506023C2 (en) * 2012-04-05 2014-02-10 Общество с ограниченной ответственностью "Сподогревом.ру" Insole with heating
US8869429B1 (en) * 2013-12-04 2014-10-28 Schawbel Technologies LLC. Heated insole with removable and rechargeable battery
USD734012S1 (en) 2014-04-09 2015-07-14 Schawbel Technologies Llc Insole
US9101177B2 (en) 2010-12-28 2015-08-11 Schawbel Technologies Llc Heated insole remote control systems
USD737769S1 (en) 2014-04-09 2015-09-01 Schawbel Technologies Llc Battery pack for an insole
USD738995S1 (en) 2014-08-28 2015-09-15 Schawbel Technologies Llc Device for cooling or heating
USD747810S1 (en) 2014-08-28 2016-01-19 Schawbel Technologies Llc Device for cooling or heating
WO2015189691A3 (en) * 2014-06-11 2016-03-17 Global Brands Associates Intercommunication device of a pair of soles for shoes
US9314064B2 (en) 2013-12-04 2016-04-19 Schawbel Technologies Llc Heated insole with removable heating assembly
CN105933430A (en) * 2016-05-31 2016-09-07 上海烯旺信息科技有限公司 Intelligent graphene temperature-controlled gloves system
KR200481272Y1 (en) * 2016-02-04 2016-09-09 주식회사 엘제이컴퍼니 Ear warmer
WO2016191153A1 (en) * 2015-05-22 2016-12-01 Schawbel Technologies Llc Heated insole with removable assembly
US9548618B2 (en) 2011-12-30 2017-01-17 Schawbel Technologies Llc Heated insoles
US9572397B2 (en) 2013-12-04 2017-02-21 Schawbel Technologies Llc Heated insole with removable assembly
FR3043314A1 (en) * 2015-11-11 2017-05-12 Digitsole FOOTWEAR FOR FOOTWEAR
USD801624S1 (en) 2015-07-15 2017-11-07 Schawbel Technologies Llc Heat pack
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CN105933430A (en) * 2016-05-31 2016-09-07 上海烯旺信息科技有限公司 Intelligent graphene temperature-controlled gloves system
WO2018221061A1 (en) * 2017-05-29 2018-12-06 株式会社デンソー Warming device
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WO2018221102A1 (en) * 2017-06-02 2018-12-06 株式会社デンソー Warming device
US11606990B2 (en) 2018-04-26 2023-03-21 Milwaukee Electric Tool Corporation Heated hand garment

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