Title:
DEVICE FOR WARNING ABOUT ENTRANCE DIRECTLY UNDER HIGH PLACE WORK
Document Type and Number:
Japanese Patent JP2022000738
Kind Code:
A
Abstract:
To provide a device for warning about entrance directly under a high place work, which issues warning when entrance directly under a high place work spot is detected.SOLUTION: There is provided a device for warning about entrance directly under a high place work spot, and for issuing warning with respect to a support structure for supporting a supported object at a high place. The device for warning about entrance directly under a high place work comprises: a pyroelectric infrared sensor suitable for a work spot among pyroelectric infrared sensors having a detection area corresponding to a distance; arrangement members for arranging the pyroelectric infrared sensor in the support structure so as to allow the sensor to face a monitoring range including a spot directly under a high place work and also to allow a detection direction to be horizontal; a speaker for issuing warning sound; and a warning sound issuing control section for allowing the speaker to issue warning sound based on detection on entrance of a person within a monitoring range by the pyroelectric infrared sensor.SELECTED DRAWING: Figure 5
Inventors:
IWAKAWA TAKIO
SHIMIZU MASAYUKI
OI KAZUYUKI
SHIMIZU MASAYUKI
OI KAZUYUKI
Application Number:
JP2020105936A
Publication Date:
January 04, 2022
Filing Date:
June 19, 2020
Export Citation:
Assignee:
J POWERHYTEC CO LTD
International Classes:
G08B21/02; G08B21/00; G08B25/04
Domestic Patent References:
| JP3168921U | 2011-07-07 |
Attorney, Agent or Firm:
Eisuke Fujimoto
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba
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