JPS6444744U - - Google Patents

Info

Publication number

JPS6444744U

JPS6444744U JP13974187U JP13974187U JPS6444744U JP S6444744 U JPS6444744 U JP S6444744U JP 13974187 U JP13974187 U JP 13974187U JP 13974187 U JP13974187 U JP 13974187U JP S6444744 U JPS6444744 U JP S6444744U

Authority

JP

Japan

Prior art keywords

telephone

base

parallel

connection

hook state

Prior art date

1987-09-11

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 2
• 238000010586 diagram Methods 0.000 description 1