JPH0375663U - - Google Patents

Info

Publication number

JPH0375663U

JPH0375663U JP13544289U JP13544289U JPH0375663U JP H0375663 U JPH0375663 U JP H0375663U JP 13544289 U JP13544289 U JP 13544289U JP 13544289 U JP13544289 U JP 13544289U JP H0375663 U JPH0375663 U JP H0375663U

Authority

JP

Japan

Prior art keywords

telephone line

public telephone

terminal

hook

changeover switch

Prior art date

1989-11-22

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 3
• 238000010586 diagram Methods 0.000 description 3