JPH01134223U - - Google Patents

Info

Publication number

JPH01134223U

JPH01134223U JP3064788U JP3064788U JPH01134223U JP H01134223 U JPH01134223 U JP H01134223U JP 3064788 U JP3064788 U JP 3064788U JP 3064788 U JP3064788 U JP 3064788U JP H01134223 U JPH01134223 U JP H01134223U

Authority

JP

Japan

Prior art keywords

level

light emitting

emitting element

receiving element

light receiving

Prior art date

1988-03-07

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000007788 liquid Substances 0.000 claims description 6
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
• 238000001514 detection method Methods 0.000 claims description 4
• 230000003287 optical effect Effects 0.000 claims description 2
• 238000010586 diagram Methods 0.000 description 2