JPS62103377U - - Google Patents

Info

Publication number

JPS62103377U

JPS62103377U JP19488985U JP19488985U JPS62103377U JP S62103377 U JPS62103377 U JP S62103377U JP 19488985 U JP19488985 U JP 19488985U JP 19488985 U JP19488985 U JP 19488985U JP S62103377 U JPS62103377 U JP S62103377U

Authority

JP

Japan

Prior art keywords

dtmf receiver

separating

utility

fourier transform

model registration

Prior art date

1985-12-18

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

• 238000000926 separation method Methods 0.000 claims description 2
• 238000010586 diagram Methods 0.000 description 5