JPS6315644U - - Google Patents

Info

Publication number

JPS6315644U

JPS6315644U JP10691886U JP10691886U JPS6315644U JP S6315644 U JPS6315644 U JP S6315644U JP 10691886 U JP10691886 U JP 10691886U JP 10691886 U JP10691886 U JP 10691886U JP S6315644 U JPS6315644 U JP S6315644U

Authority

JP

Japan

Prior art keywords

detection circuit

incoming call

current

current detection

relay

Prior art date

1986-07-11

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 description 10
• 239000003990 capacitor Substances 0.000 claims description 3
• 238000010586 diagram Methods 0.000 description 3
• 230000008878 coupling Effects 0.000 description 1
• 238000010168 coupling process Methods 0.000 description 1
• 238000005859 coupling reaction Methods 0.000 description 1