JPS6226965U - - Google Patents

Info

Publication number

JPS6226965U

JPS6226965U JP4106185U JP4106185U JPS6226965U JP S6226965 U JPS6226965 U JP S6226965U JP 4106185 U JP4106185 U JP 4106185U JP 4106185 U JP4106185 U JP 4106185U JP S6226965 U JPS6226965 U JP S6226965U

Authority

JP

Japan

Prior art keywords

output

generates

detection means

telephone

lights

Prior art date

1985-03-22

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000001514 detection method Methods 0.000 claims 2
• 238000010586 diagram Methods 0.000 description 1