Title:
DETECTION APPARATUS OF LIQUID LEVEL
Document Type and Number:
Japanese Patent JPH08327431
Kind Code:
A
Abstract:
PURPOSE: To obtain a detection apparatus which surely informs a user of the detection state of a sensor by a method wherein an output which is transmitted by radio at the detection of a water level is received and an alarm is issued.
CONSTITUTION: When a water level 5 reaches a desired water level, a capacitance sensor 2 generates a detection signal, and a transmission part 3 converts the detection signal into a radio signal so as to be transmitted. When a reception part 4 which is carried by a user receives the radio signal, a buzzer is sounded so as to inform the user that the water level of a bath has reached the desired water level.
Inventors:
TAKANO OSAMU
YAMAZAKI HIROSHI
YAMAZAKI HIROSHI
Application Number:
JP13196795A
Publication Date:
December 13, 1996
Filing Date:
May 30, 1995
Export Citation:
Assignee:
SEIKOSHA KK
International Classes:
G01F23/26; H01H35/18; H01H36/00; G01F23/00; (IPC1-7): G01F23/00; G01F23/26; H01H35/18; H01H36/00
Attorney, Agent or Firm:
Kazuko Matsuda