Title:
COMPOUND HUMAN BODY DETECTION DEVICE
Document Type and Number:
Japanese Patent JP3196669
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To determine the retiring of a human body from a monitoring region properly.
SOLUTION: In a compound human body detection device that has a first sensor part 2 for detecting a human body in a first region 1A by detecting the change in infrared rays from the first region A and a second sensor part 3 for detecting the human body in a second region B that is included in the first region A in a required time from the transmission of an ultrasonic pulse to the return of a reflection wave and judges that a human body exists in the first region A when at least one of the first sensor part 2 or the second sensor part 3 detects the human body, division monitoring means 34a and 34b for monitoring a second region B by dividing into a third region B. that is close to the second sensor part 3 and a fourth region B1 that is away from it are provided, thus judging that the human body retired from the first region A when the second sensor 3 detected that the human body had disappeared from the fourth region and then from the third region from the time when the first sensor part 2 detected the human body to the time when it detected that the human body disappeared.
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Inventors:
Goro Oda
Toshimasa Takagi
Mabu Uno
Toshimasa Takagi
Mabu Uno
Application Number:
JP31343996A
Publication Date:
August 06, 2001
Filing Date:
November 25, 1996
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
G01V1/00; G01J1/42; G01S15/02; G01S15/04; G01S15/88; G01V8/12; G01V11/00; G08B13/16; G08B13/19; (IPC1-7): G01S15/88; G01S15/04
Domestic Patent References:
| JP6242257A | ||||
| JP63221275A | ||||
| JP9236672A | ||||
| JP6078375A | ||||
| JP528981U | ||||
| JP1112487U |
Attorney, Agent or Firm:
Junji Ando (1 person outside)