JPH02100851U - - Google Patents

Info

Publication number
JPH02100851U
JPH02100851U JP1014689U JP1014689U JPH02100851U JP H02100851 U JPH02100851 U JP H02100851U JP 1014689 U JP1014689 U JP 1014689U JP 1014689 U JP1014689 U JP 1014689U JP H02100851 U JPH02100851 U JP H02100851U
Authority
JP
Japan
Prior art keywords
signal
sound
announcement
noise
reverse
Prior art date
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
Application number
JP1014689U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1014689U priority Critical patent/JPH02100851U/ja
Publication of JPH02100851U publication Critical patent/JPH02100851U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP1014689U 1989-01-30 1989-01-30 Pending JPH02100851U (US07709020-20100504-C00041.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1014689U JPH02100851U (US07709020-20100504-C00041.png) 1989-01-30 1989-01-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1014689U JPH02100851U (US07709020-20100504-C00041.png) 1989-01-30 1989-01-30

Publications (1)

Publication Number Publication Date
JPH02100851U true JPH02100851U (US07709020-20100504-C00041.png) 1990-08-10

Family

ID=31217547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1014689U Pending JPH02100851U (US07709020-20100504-C00041.png) 1989-01-30 1989-01-30

Country Status (1)

Country Link
JP (1) JPH02100851U (US07709020-20100504-C00041.png)

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