JPH0450960U - - Google Patents

Info

Publication number

JPH0450960U

JPH0450960U JP9435490U JP9435490U JPH0450960U JP H0450960 U JPH0450960 U JP H0450960U JP 9435490 U JP9435490 U JP 9435490U JP 9435490 U JP9435490 U JP 9435490U JP H0450960 U JPH0450960 U JP H0450960U

Authority

JP

Japan

Prior art keywords

call

hook

detection means

detecting

predetermined period

Prior art date

1990-09-06

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 3
• 230000015572 biosynthetic process Effects 0.000 description 3
• 238000010586 diagram Methods 0.000 description 3
• 238000003786 synthesis reaction Methods 0.000 description 3