JPH0216559Y2 - - Google Patents

Info

Publication number

JPH0216559Y2

JPH0216559Y2 JP1981090892U JP9089281U JPH0216559Y2 JP H0216559 Y2 JPH0216559 Y2 JP H0216559Y2 JP 1981090892 U JP1981090892 U JP 1981090892U JP 9089281 U JP9089281 U JP 9089281U JP H0216559 Y2 JPH0216559 Y2 JP H0216559Y2

Authority

JP

Japan

Prior art keywords

timer

detection means

time

person

lighting

Prior art date

1981-06-22

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 238000001514 detection method Methods 0.000 claims description 25
• 238000005286 illumination Methods 0.000 claims description 7
• 230000004913 activation Effects 0.000 description 4
• 238000010586 diagram Methods 0.000 description 3
• 238000005259 measurement Methods 0.000 description 2
• 230000004397 blinking Effects 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000004134 energy conservation Methods 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1