JPH01113411U - - Google Patents

Info

Publication number

JPH01113411U

JPH01113411U JP730788U JP730788U JPH01113411U JP H01113411 U JPH01113411 U JP H01113411U JP 730788 U JP730788 U JP 730788U JP 730788 U JP730788 U JP 730788U JP H01113411 U JPH01113411 U JP H01113411U

Authority

JP

Japan

Prior art keywords

speaker

speaker device

volume level

decreasing

increasing

Prior art date

1988-01-22

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

• 230000003247 decreasing effect Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2
• 230000003321 amplification Effects 0.000 description 1
• 238000003199 nucleic acid amplification method Methods 0.000 description 1