JPH02107092U - - Google Patents

Info

Publication number

JPH02107092U

JPH02107092U JP1546689U JP1546689U JPH02107092U JP H02107092 U JPH02107092 U JP H02107092U JP 1546689 U JP1546689 U JP 1546689U JP 1546689 U JP1546689 U JP 1546689U JP H02107092 U JPH02107092 U JP H02107092U

Authority

JP

Japan

Prior art keywords

alarm sound

earphone

attached

output means

sound output

Prior art date

1989-02-13

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

• 238000010586 diagram Methods 0.000 description 1