Boots – shoes – and leggings
Patent
1987-08-18
1988-09-13
Yasich, Daniel M.
Boots, shoes, and leggings
307117, 374102, 374167, 374170, G01K 1300, G06F 1520
Patent
active
047713933
ABSTRACT:
The thermometer includes an oscillation unit having a time constant circuit with a compound resistor including a reference resistor and a temperature sensitive resistor. The compound resistor is switched between the reference and temperature sensitive resistors. A comparator compares the oscillation frequencies of the oscillation unit by switching over the compound resistor between the reference and temperature sensitive resistors at a variable sampling interval, and outputs digital data corresponding to the temperature sensed by the temperature sensitive resistor. The digital data corresponding to the sensed temperature are converted and displayed on a temperature data display unit. The resistive value of the reference resistor and the sampling time are switchable according to the range of temperature measurement. The temperature data conversion unit has several sections which are switchably selected according to particular ranges of temperature measurement. Each of these temperature data sections, upon receipt of the digital data from the comparison unit, outputs appropriate temperature data according thereto. A switching unit switches between the various sections of the temperature data conversion unit. A switching control device, in response to the output of the temperature data conversion unit, determines the range of temperature measurement, and appropriately controls the switching actions of the reference resistor, the sampling time switching unit, and the temperature data conversion means switching unit.
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patent: 4551031 (1985-11-01), Ishikawa et al.
patent: 4565456 (1986-01-01), Iida et al.
patent: 4602871 (1986-07-01), Hanaoka
Ishida Jun'ichi
Miyake Tamio
Omron Tateisi Electronics Co.
Yasich Daniel M.
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