JPS53114305A - Loudspeaking telephone set - Google Patents
Loudspeaking telephone setInfo
- Publication number
- JPS53114305A JPS53114305A JP2804977A JP2804977A JPS53114305A JP S53114305 A JPS53114305 A JP S53114305A JP 2804977 A JP2804977 A JP 2804977A JP 2804977 A JP2804977 A JP 2804977A JP S53114305 A JPS53114305 A JP S53114305A
- Authority
- JP
- Japan
- Prior art keywords
- telephone set
- loudspeaking telephone
- loudspeaking
- telephone
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2804977A JPS53114305A (en) | 1977-03-16 | 1977-03-16 | Loudspeaking telephone set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2804977A JPS53114305A (en) | 1977-03-16 | 1977-03-16 | Loudspeaking telephone set |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53114305A true JPS53114305A (en) | 1978-10-05 |
Family
ID=12237888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2804977A Pending JPS53114305A (en) | 1977-03-16 | 1977-03-16 | Loudspeaking telephone set |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53114305A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5817755A (en) * | 1981-03-18 | 1983-02-02 | 金星通信株式会社 | Speaker telephone system |
JPS6066561A (en) * | 1983-09-22 | 1985-04-16 | Matsushita Electric Ind Co Ltd | Voice switch circuit |
JPS61195054A (en) * | 1985-02-25 | 1986-08-29 | Matsushita Electric Works Ltd | Voice switching circuit for loudspeaking telephone set |
JPS6363249A (en) * | 1986-09-02 | 1988-03-19 | モトロ−ラ・インコ−ポレ−テッド | Loudspeaker horn with high speed idle mode |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50124508A (en) * | 1973-03-12 | 1975-09-30 |
-
1977
- 1977-03-16 JP JP2804977A patent/JPS53114305A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50124508A (en) * | 1973-03-12 | 1975-09-30 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5817755A (en) * | 1981-03-18 | 1983-02-02 | 金星通信株式会社 | Speaker telephone system |
JPS6066561A (en) * | 1983-09-22 | 1985-04-16 | Matsushita Electric Ind Co Ltd | Voice switch circuit |
JPH037310B2 (en) * | 1983-09-22 | 1991-02-01 | Matsushita Electric Ind Co Ltd | |
JPS61195054A (en) * | 1985-02-25 | 1986-08-29 | Matsushita Electric Works Ltd | Voice switching circuit for loudspeaking telephone set |
JPS6363249A (en) * | 1986-09-02 | 1988-03-19 | モトロ−ラ・インコ−ポレ−テッド | Loudspeaker horn with high speed idle mode |
JPH0450786B2 (en) * | 1986-09-02 | 1992-08-17 | Motorola Inc |
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