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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0337320 (1994-11-10) |
| 우선권정보 | GB-0003810 (1990-02-20); GB-0011681 (1990-05-24); GB-0015196 (1991-07-12) |
| 발명자 / 주소 |
|
| 인용정보 | 피인용 횟수 : 366 인용 특허 : 0 |
A product, in particular a shoe, apparel, a ball or a fishing lure, incorporating an impact sensing element made from polymeric piezoelectric material. In response to impact, the piezoelectric material generates an electrical signal to a battery-powered light- or sound-emitting unit or to an informa
A product, in particular a shoe, apparel, a ball or a fishing lure, incorporating an impact sensing element made from polymeric piezoelectric material. In response to impact, the piezoelectric material generates an electrical signal to a battery-powered light- or sound-emitting unit or to an information display device which is at least partially molded into or contained in the product, thus causing circuitry to energize the light- or sound-emitting device from the battery or to display information on the information display device. In some embodiments involving light-emitting devices such as LEDs, the light is conducted to an outside surface of the product directly through the LED or via one or more optical fibers. A shoe can be provided with numerous light-emitting devices, one or more impact sensing elements, a temperature sensor and appropriate circuitry to process the impact and temperature information. This information is then used to light appropriate light-emitting devices such as to display a bar graph of temperature or force of impact, to light or flash individual light-emitting devices or to activate an information display device. In addition, a microprocessor can be included in the circuitry to provide preprogrammed control of the light emitting devices or to evaluate the input from the impact sensing element and then light the appropriate light emitting device or devices or to control the information displayed on the information display de2vice.
A shoe that lights, comprising a sole; pressure sensor means incorporated within the sole comprising piezoelectric material for generating trigger signals upon application of pressure to the material, the sole imparting pressure to the material when impressed against a surface; a light emitting diod
A shoe that lights, comprising a sole; pressure sensor means incorporated within the sole comprising piezoelectric material for generating trigger signals upon application of pressure to the material, the sole imparting pressure to the material when impressed against a surface; a light emitting diode (LED); power means for powering the LED; monstable multivibrator circuit means interconnecting the pressure sensor means, the LED and the power means, wherein the circuit means responds to the trigger signals to control the power means to power the LED in response to the pressure imparted by the sole on the material; wherein the circuit means comprises input means for accepting the trigger signals from the pressure sensor means and transmitting the trigger signals to the circuit means, the input means including sensitivity resistive means across which the trigger signals are applied for controlling the sensitivity of the piezoelectric material; output leads for transmitting a signal generated by the circuit means to the LED, including a first resistive means for limiting the current through the LED; a second resistive means coupled with a capacitive means to form a resistive-capacitive (R-C) combination timing means for determining the length of time the signal is generated by circuit means; and means for applying the voltage developed across the capacitive means of the R-C timing circuit means to the input of the monostable multivibrator circuit means.
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