JPS6234849U - - Google Patents

Info

Publication number

JPS6234849U

JPS6234849U JP12638485U JP12638485U JPS6234849U JP S6234849 U JPS6234849 U JP S6234849U JP 12638485 U JP12638485 U JP 12638485U JP 12638485 U JP12638485 U JP 12638485U JP S6234849 U JPS6234849 U JP S6234849U

Authority

JP

Japan

Prior art keywords

telephone

external

recording

activating

control signal

Prior art date

1985-08-19

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

• 230000003213 activating effect Effects 0.000 claims 2
• 238000001514 detection method Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1
• 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1