JPH03123343U - - Google Patents

Info

Publication number

JPH03123343U

JPH03123343U JP3309890U JP3309890U JPH03123343U JP H03123343 U JPH03123343 U JP H03123343U JP 3309890 U JP3309890 U JP 3309890U JP 3309890 U JP3309890 U JP 3309890U JP H03123343 U JPH03123343 U JP H03123343U

Authority

JP

Japan

Prior art keywords

circuit

ring

telephone

timer

cut

Prior art date

1990-03-28

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

• 238000011084 recovery Methods 0.000 claims description 3
• 238000010615 ring circuit Methods 0.000 claims description 2
• 238000010586 diagram Methods 0.000 description 2
• 239000003990 capacitor Substances 0.000 description 1

Cited By (1)