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    • 64. 发明专利
    • PIPING LEAK DETECTING DEVICE
    • JPH08210937A
    • 1996-08-20
    • JP1614095
    • 1995-02-02
    • MATSUSHITA ELECTRIC IND CO LTD
    • NAKANE SHINICHIUEDA YASUKIYO
    • G01M3/00G01M3/28
    • PURPOSE: To enhance the reliability of a piping leak detecting device for automatically detecting the presence of a gas leak in a piping in the upstream of a plurality of gas meters. CONSTITUTION: This device has a pilot flame use registration integrated judging means 14 for managing the pilot flame registration information from a pilot flame registration detecting means 13 and setting the total flow rate value as a first standard value; a gas total flow rate measuring means 7 provided between a gas group supplying means 1 and a branching means 3; and a first timer means 15. It also has a lowest flow rate value memory means 16 for storing the lowest flow rate of the gas flow measured value by the gas total flow rate measuring means 7 every prescribed time managed by the first timer means 15; and a piping leak judging means 8 having an increase judging means 17 for comparing the first standard value set by the pilot flame use registration integrated judging means 14 with the lowest flow rate value to judge the increase.
    • 66. 发明专利
    • PRESSURE REGULATOR AND GAS METER
    • JPH08159462A
    • 1996-06-21
    • JP29949894
    • 1994-12-02
    • MATSUSHITA ELECTRIC IND CO LTD
    • MONJU HIDETONAKANE SHINICHIATSUMI TORU
    • F23N5/18F23N5/24
    • PURPOSE: To enable judging accurately as regards possibility of leakage of gas in any slight mount in the piping in a gas equipment, possibility of malfunctioning of a pressure regulator, and so forth therein by judging as regards such possibilities by means of electrical signals from a pressure-detective means for detecting the gas pressure and from a flow rate-detective means for detecting the flow rate of gas both in the gas equipment. CONSTITUTION: As regards the possibility of leakage of gas generally an output means 114 is activated, the flow rate and changes in pressure, if any, while the gas apparatus is not in use are detected respectively by a flow rate-detective means 112 and a pressure-detective means 111, and a judging means 113 judges. To be more particular, if the gas is leaking in any slight amount, the pressure of the gas in the piping slightly decreases whereas the flow rate stands zero. When the pressure-detective means 111 detects such a change in gas pressure, the judging means 113, such as a microcomputer, judges, attributing it, if the decrease in pressure exceeds a prescribed value, to a leakage of gas and activates the output means 114. By using a capacitance type pressure sensor for the detection of the pressure in this instance minute variations in pressure can be detected with accuracy and in a stabilized manner for a long time.
    • 68. 发明专利
    • BODY TEMPERATURE DETECTOR
    • JPH07250818A
    • 1995-10-03
    • JP4567894
    • 1994-03-16
    • MATSUSHITA ELECTRIC IND CO LTD
    • NAKANE SHINICHI
    • G01K7/00A61B5/00G08C19/00
    • PURPOSE:To enable measurement without letting a person to be measured notice each action by arranging a biosignal detecting means on an underwear for detecting body temperature as human biosignal to eliminate the need for inserting a clinical thermometer into a specified part of a human body in each measurement of the body temperature. CONSTITUTION:In this body temp. detector, a biosignal signal detection means 2 for detecting body temperature is mounted at a lower part of an arm pit of an underwear to detect body temp. as human biosignal. Then, temperature under an arm pit as a position where a normal clinical thermometer is inserted in the measurement of body temp. is detected by the biosignal detection means 2. The biosignal detection means 2 is made removable from the underwear 1. The use of the body temp. detector eliminates the need for inserting the clinical thermometer into a specified part of a human body every time in each measurement of body temp., which enables measurement without letting the person to be measured notice each action. This removable structure allows the maintenance of the biosignal detection means 2 separately from the washing of the underwear. This method also allows the change in mounting site of the apparatus such as on another underwear, not on the same underwear alone, thereby achieving efficiency of utilization.