JPH0432863Y2 - - Google Patents

Info

Publication number

JPH0432863Y2

JPH0432863Y2 JP1983026629U JP2662983U JPH0432863Y2 JP H0432863 Y2 JPH0432863 Y2 JP H0432863Y2 JP 1983026629 U JP1983026629 U JP 1983026629U JP 2662983 U JP2662983 U JP 2662983U JP H0432863 Y2 JPH0432863 Y2 JP H0432863Y2

Authority

JP

Japan

Prior art keywords

circuit

alarm

transistor

audio signal

changeover switch

Prior art date

1983-02-24

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.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• 230000005236 sound signal Effects 0.000 claims description 19
• 238000007599 discharging Methods 0.000 claims description 5
• 206010011878 Deafness Diseases 0.000 claims description 2
• 230000010370 hearing loss Effects 0.000 claims description 2
• 231100000888 hearing loss Toxicity 0.000 claims description 2
• 208000016354 hearing loss disease Diseases 0.000 claims description 2
• 239000003990 capacitor Substances 0.000 description 4
• 230000000694 effects Effects 0.000 description 2
• 230000003213 activating effect Effects 0.000 description 1
• 230000003321 amplification Effects 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000002474 experimental method Methods 0.000 description 1
• 239000000284 extract Substances 0.000 description 1
• 238000003199 nucleic acid amplification method Methods 0.000 description 1
• 238000000926 separation method Methods 0.000 description 1