JPH0197641U - - Google Patents
Info
- Publication number
- JPH0197641U JPH0197641U JP1987193246U JP19324687U JPH0197641U JP H0197641 U JPH0197641 U JP H0197641U JP 1987193246 U JP1987193246 U JP 1987193246U JP 19324687 U JP19324687 U JP 19324687U JP H0197641 U JPH0197641 U JP H0197641U
- Authority
- JP
- Japan
- Prior art keywords
- hands
- transmitter
- telephone device
- free telephone
- solar cell
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000010356 wave oscillation Effects 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
- Near-Field Transmission Systems (AREA)
Description
第１図は本考案によるハンズフリー方式の運転
席付近での配置実体図、第２図は本考案によるハ
ンズフリー方式の内のＦＭ変調波を送出する系の
ブロツク図、第３図は本考案に係る送受話ベース
部のブロツク図、第４図は第２図で例示したＦＭ
変調波を送出する系の別な実施例のブロツク図、
第５図は第２図で例示した系の更に別な実施例の
ブロツク図である。第６図は乗用車にとう載した
ハンズフリー電話付自動車電話の実装の従来例、
第７図は従来例の運転席付近の実装状況の実体図
、第８図は従来のハンズフリー方式のブロツク図
である。
９０はＦＭトランスミツタ、９４は漏洩伝送線
、９７は太陽電池、９１はマイク素子、９２はＦ
Ｍ変調波発振回路、５は送受話ベース部、５１は
アンテナ、５２はレシーバ、１７は伝送制御回路
である。９８は２次電池、１００は音声検出スイ
ツチ回路である。なお、図中同一符号は、同一又
は相当部分を示す。
Figure 1 is an actual diagram of the arrangement of the hands-free system according to the present invention near the driver's seat, Figure 2 is a block diagram of the system for transmitting FM modulated waves in the hands-free system according to the present invention, and Figure 3 is the system according to the present invention. 4 is a block diagram of the transmitting/receiving base section related to the FM shown in FIG. 2.
A block diagram of another embodiment of a system for transmitting modulated waves,
FIG. 5 is a block diagram of yet another embodiment of the system illustrated in FIG. Figure 6 shows a conventional example of the implementation of a car phone with a hands-free phone mounted on a passenger car.
FIG. 7 is an actual diagram of the implementation situation near the driver's seat in the conventional example, and FIG. 8 is a block diagram of the conventional hands-free system. 90 is an FM transmitter, 94 is a leaky transmission line, 97 is a solar cell, 91 is a microphone element, 92 is an F
An M modulated wave oscillation circuit, 5 a transmitting/receiving base section, 51 an antenna, 52 a receiver, and 17 a transmission control circuit. 98 is a secondary battery, and 100 is a voice detection switch circuit. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
おいて、少なくともマイク素子とＦＭ変調発振器
と緩衝増幅器で構成したＦＭトランスミツタと、
太陽電池と、前記ＦＭトランスミツタと前記太陽
電池とを結びかつ太陽電池の起電力をＦＭトラン
スミツタに供給できるよう接続した漏洩伝送線と
、この漏洩伝送線路から輻射させた前記ＦＭトラ
ンスミツタからの出力を受信し、この受信信号で
ハンズフリー電話装置の送受話の制御を行う送受
話ベース部とを備え、ハンズフリー電話装置のマ
イク回路の無線化をはかつたことを特徴とする移
動体用ハンズフリー電話装置。 ２ ＦＭトランスミツタの内部に前記太陽電池と
協調動作する２次電池を接続したことを特徴とす
る特許請求の請囲第１項記載の移動体用ハンズフ
リー電話装置。 ３ ＦＭトランスミツタの内部に音声検出スイツ
チ回路を設け、このスイツチ回路により音声の有
る時のみＦＭトランスミツタを動作させる様に制
御するようにしたことを特徴とする特許請求範囲
第１項又は第２項記載の移動体用ハンズフリー電
話装置。[Claims for Utility Model Registration] 1. A hands-free telephone device mounted on a mobile object, comprising an FM transmitter comprising at least a microphone element, an FM modulation oscillator, and a buffer amplifier;
A leaky transmission line connecting the solar cell, the FM transmitter and the solar cell so that the electromotive force of the solar cell can be supplied to the FM transmitter; A transmitting/receiving base unit that receives the output and controls the transmitting and receiving of the hands-free telephone device using the received signal, and wirelessizes the microphone circuit of the hands-free telephone device. Hands-free telephone device. 2. The hands-free telephone device for a mobile object according to claim 1, characterized in that a secondary battery that operates in cooperation with the solar cell is connected inside the FM transmitter. 3. A voice detection switch circuit is provided inside the FM transmitter, and the switch circuit controls the FM transmitter to operate only when there is voice. A hands-free telephone device for a mobile object as described in 2.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193246U JPH0638513Y2 (en) | 1987-12-18 | 1987-12-18 | Hands-free telephone device for mobile |
| US07/284,412 US4905270A (en) | 1987-12-18 | 1988-12-14 | Vehicular hands-free telephone system |
| GB8829466A GB2210233B (en) | 1987-12-18 | 1988-12-16 | Vehicular hands-free telephone system |
| AU27044/88A AU604390B2 (en) | 1987-12-18 | 1988-12-19 | Vehicular hands-free telephone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193246U JPH0638513Y2 (en) | 1987-12-18 | 1987-12-18 | Hands-free telephone device for mobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197641U true JPH0197641U (en) | 1989-06-29 |
| JPH0638513Y2 JPH0638513Y2 (en) | 1994-10-05 |
Family
ID=31484054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987193246U Expired - Lifetime JPH0638513Y2 (en) | 1987-12-18 | 1987-12-18 | Hands-free telephone device for mobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638513Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55163923A (en) * | 1979-06-08 | 1980-12-20 | Hitachi Ltd | Telephone set for vehicle |
| JPS61256832A (en) * | 1985-05-08 | 1986-11-14 | Omron Tateisi Electronics Co | On-vehicle communication equipment |
-
1987
- 1987-12-18 JP JP1987193246U patent/JPH0638513Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55163923A (en) * | 1979-06-08 | 1980-12-20 | Hitachi Ltd | Telephone set for vehicle |
| JPS61256832A (en) * | 1985-05-08 | 1986-11-14 | Omron Tateisi Electronics Co | On-vehicle communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638513Y2 (en) | 1994-10-05 |
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