JPS6454449U - - Google Patents

Info

Publication number

JPS6454449U

JPS6454449U JP1987148177U JP14817787U JPS6454449U JP S6454449 U JPS6454449 U JP S6454449U JP 1987148177 U JP1987148177 U JP 1987148177U JP 14817787 U JP14817787 U JP 14817787U JP S6454449 U JPS6454449 U JP S6454449U

Authority

JP

Japan

Prior art keywords

polarity

detection circuit

audio signal

amplifier

outputs

Prior art date

1987-09-30

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 4
• 230000005236 sound signal Effects 0.000 claims 3
• 238000010586 diagram Methods 0.000 description 1
• 230000008030 elimination Effects 0.000 description 1
• 238000003379 elimination reaction Methods 0.000 description 1