JPS6221700U - - Google Patents

Info

Publication number

JPS6221700U

JPS6221700U JP11221585U JP11221585U JPS6221700U JP S6221700 U JPS6221700 U JP S6221700U JP 11221585 U JP11221585 U JP 11221585U JP 11221585 U JP11221585 U JP 11221585U JP S6221700 U JPS6221700 U JP S6221700U

Authority

JP

Japan

Prior art keywords

sound

amplified

sound pressure

preamplifier

collected

Prior art date

1985-07-22

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

• 238000012544 monitoring process Methods 0.000 claims description 4
• 230000035945 sensitivity Effects 0.000 claims description 2
• 238000010586 diagram Methods 0.000 description 2

Cited By (1)