JPS61189650U - - Google Patents
Info
- Publication number
- JPS61189650U JPS61189650U JP7344585U JP7344585U JPS61189650U JP S61189650 U JPS61189650 U JP S61189650U JP 7344585 U JP7344585 U JP 7344585U JP 7344585 U JP7344585 U JP 7344585U JP S61189650 U JPS61189650 U JP S61189650U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- speaker
- view
- showing
- directivity
- 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 2
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7344585U JPS61189650U (zh) | 1985-05-20 | 1985-05-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7344585U JPS61189650U (zh) | 1985-05-20 | 1985-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61189650U true JPS61189650U (zh) | 1986-11-26 |
Family
ID=30612819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7344585U Pending JPS61189650U (zh) | 1985-05-20 | 1985-05-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61189650U (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55141838A (en) * | 1979-04-24 | 1980-11-06 | Fujitsu Ltd | Hand-free call unit for car telephone |
JPS55143851A (en) * | 1979-04-26 | 1980-11-10 | Fujitsu Ltd | Hand-free call unit for car telephone |
-
1985
- 1985-05-20 JP JP7344585U patent/JPS61189650U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55141838A (en) * | 1979-04-24 | 1980-11-06 | Fujitsu Ltd | Hand-free call unit for car telephone |
JPS55143851A (en) * | 1979-04-26 | 1980-11-10 | Fujitsu Ltd | Hand-free call unit for car telephone |