JPH0447407U - - Google Patents

Info

Publication number

JPH0447407U

JPH0447407U JP8965790U JP8965790U JPH0447407U JP H0447407 U JPH0447407 U JP H0447407U JP 8965790 U JP8965790 U JP 8965790U JP 8965790 U JP8965790 U JP 8965790U JP H0447407 U JPH0447407 U JP H0447407U

Authority

JP

Japan

Prior art keywords

light

subject

optical sensor

emitting element

receiving element

Prior art date

1990-08-27

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

• 230000003287 optical effect Effects 0.000 claims description 10
• 239000000758 substrate Substances 0.000 claims description 2
• 238000010521 absorption reaction Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2