JPS6430973U - - Google Patents

Info

Publication number

JPS6430973U

JPS6430973U JP12546187U JP12546187U JPS6430973U JP S6430973 U JPS6430973 U JP S6430973U JP 12546187 U JP12546187 U JP 12546187U JP 12546187 U JP12546187 U JP 12546187U JP S6430973 U JPS6430973 U JP S6430973U

Authority

JP

Japan

Prior art keywords

audio signal

audio

signal

circuit

dual

Prior art date

1987-08-18

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

• 230000005236 sound signal Effects 0.000 claims description 13
• 230000009977 dual effect Effects 0.000 claims description 5
• 238000010586 diagram Methods 0.000 description 6
• 238000001514 detection method Methods 0.000 description 2
• 238000001228 spectrum Methods 0.000 description 1

Cited By (1)