JPH0446747U - - Google Patents
Info
- Publication number
- JPH0446747U JPH0446747U JP8870590U JP8870590U JPH0446747U JP H0446747 U JPH0446747 U JP H0446747U JP 8870590 U JP8870590 U JP 8870590U JP 8870590 U JP8870590 U JP 8870590U JP H0446747 U JPH0446747 U JP H0446747U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- hands
- control device
- mobile phone
- free communication
- 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 4
Landscapes
- Telephone Set Structure (AREA)
Description
第１図はこの考案の一実施例によるハンドフリ
ー通話装置のブロツク図であり、第２図は携帯電
話と接続した場合のブロツク図でり、第３図はハ
ンドフリー制御装置のブロツク図であり、第４図
は従来のハンドフリー通話装置のブロツク図であ
る。
１は自動車電話無線装置、２はハンドフリー制
御装置、３は拡声スピーカ、４はマイク、５は電
話機、６は１０芯ケーブル、７は３芯ケーブル、
８は電源装置、９は携帯電話、１０は受話信号ア
ツテネータ、１１は送話信号アツテネータ、１２
はオペアンプ、１３はレベル比較器、１４はパワ
ーアンプ、１５は信号制御装置、１６は操作卓で
ある。なお、図中、同一符号は同一、または相当
部分を示す。
Fig. 1 is a block diagram of a hands-free communication device according to an embodiment of this invention, Fig. 2 is a block diagram when connected to a mobile phone, and Fig. 3 is a block diagram of a hands-free control device. , FIG. 4 is a block diagram of a conventional hands-free communication device. 1 is a car telephone radio device, 2 is a hands-free control device, 3 is a loudspeaker, 4 is a microphone, 5 is a telephone, 6 is a 10-core cable, 7 is a 3-core cable,
8 is a power supply device, 9 is a mobile phone, 10 is a receive signal attenuator, 11 is a transmit signal attenuator, 12
13 is an operational amplifier, 13 is a level comparator, 14 is a power amplifier, 15 is a signal control device, and 16 is an operation console. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
及び取り扱いがきわめて容易であり、無線装置と
電話機間の信号制御装置を取り除き、携帯電話に
おいても使用できることを特徴とする簡易ハンド
フリー通話装置。 A simple hands-free communication device that is extremely easy to install and handle in a telephone connected to a car phone, and can also be used in a mobile phone by removing a signal control device between the wireless device and the telephone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8870590U JPH0446747U (en) | 1990-08-24 | 1990-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8870590U JPH0446747U (en) | 1990-08-24 | 1990-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0446747U true JPH0446747U (en) | 1992-04-21 |
Family
ID=31822152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8870590U Pending JPH0446747U (en) | 1990-08-24 | 1990-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446747U (en) |
-
1990
- 1990-08-24 JP JP8870590U patent/JPH0446747U/ja active Pending
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