JPS61166649U - - Google Patents
Info
- Publication number
- JPS61166649U JPS61166649U JP4686385U JP4686385U JPS61166649U JP S61166649 U JPS61166649 U JP S61166649U JP 4686385 U JP4686385 U JP 4686385U JP 4686385 U JP4686385 U JP 4686385U JP S61166649 U JPS61166649 U JP S61166649U
- Authority
- JP
- Japan
- Prior art keywords
- hands
- free
- microphone
- detection circuit
- level
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第1図は本考案の一実施例を示すブロツク図、
第2図および第3図はそれぞれ本考案の他の実施
例を示すブロツク図である。
2……ハンズフリー制御回路、3……スピーカ
、4……マイクロホン、6……送話レベル検出回
路、8……表示回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIGS. 2 and 3 are block diagrams showing other embodiments of the present invention, respectively. 2...Hands-free control circuit, 3...Speaker, 4...Microphone, 6...Talking level detection circuit, 8...Display circuit.
Claims (1)
をハンズフリー制御回路を介して接続してハンズ
フリー通話を行なうハンズフリー電話機において
、マイクロホンから入力する送話音声が所定のレ
ベル以上であることを検出する送話レベル検出回
路と、この送話レベル検出回路の出力に応じて表
示動作を行なう表示器とを設けたことを特徴とす
るハンズフリー電話機。 In a hands-free telephone that connects a speaker and a microphone to a telephone line via a hands-free control circuit to perform hands-free calls, a transmitting level that detects that the transmitted voice input from the microphone is at a predetermined level or higher. A hands-free telephone set comprising a detection circuit and a display device that performs a display operation according to the output of the transmission level detection circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4686385U JPS61166649U (en) | 1985-04-01 | 1985-04-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4686385U JPS61166649U (en) | 1985-04-01 | 1985-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61166649U true JPS61166649U (en) | 1986-10-16 |
Family
ID=30561659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4686385U Pending JPS61166649U (en) | 1985-04-01 | 1985-04-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61166649U (en) |
-
1985
- 1985-04-01 JP JP4686385U patent/JPS61166649U/ja active Pending
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