JPS63152344U - - Google Patents
Info
- Publication number
- JPS63152344U JPS63152344U JP4383987U JP4383987U JPS63152344U JP S63152344 U JPS63152344 U JP S63152344U JP 4383987 U JP4383987 U JP 4383987U JP 4383987 U JP4383987 U JP 4383987U JP S63152344 U JPS63152344 U JP S63152344U
- Authority
- JP
- Japan
- Prior art keywords
- counter
- speaker
- panel
- microphone
- microphones
- 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
Links
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4383987U JPS63152344U (pl) | 1987-03-25 | 1987-03-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4383987U JPS63152344U (pl) | 1987-03-25 | 1987-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63152344U true JPS63152344U (pl) | 1988-10-06 |
Family
ID=30861079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4383987U Pending JPS63152344U (pl) | 1987-03-25 | 1987-03-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63152344U (pl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01125098A (ja) * | 1987-11-09 | 1989-05-17 | Sony Corp | マイクロホン装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49131506A (pl) * | 1973-04-20 | 1974-12-17 | ||
JPS54124904A (en) * | 1978-03-22 | 1979-09-28 | Aiphone Co Ltd | Method of eliminating howling of speaker type simultaneous talking interphone and speaker type simultaneous talking interphone |
-
1987
- 1987-03-25 JP JP4383987U patent/JPS63152344U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49131506A (pl) * | 1973-04-20 | 1974-12-17 | ||
JPS54124904A (en) * | 1978-03-22 | 1979-09-28 | Aiphone Co Ltd | Method of eliminating howling of speaker type simultaneous talking interphone and speaker type simultaneous talking interphone |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01125098A (ja) * | 1987-11-09 | 1989-05-17 | Sony Corp | マイクロホン装置 |
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