JPS62164445U - - Google Patents
Info
- Publication number
- JPS62164445U JPS62164445U JP5066386U JP5066386U JPS62164445U JP S62164445 U JPS62164445 U JP S62164445U JP 5066386 U JP5066386 U JP 5066386U JP 5066386 U JP5066386 U JP 5066386U JP S62164445 U JPS62164445 U JP S62164445U
- Authority
- JP
- Japan
- Prior art keywords
- signal input
- output terminal
- data
- telephone line
- terminal
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第1図はこの考案による電話回線接続器を示す
ブロツク図、第2図はそのデータ要求検出部の具
体例を示すブロツク図である。
FIG. 1 is a block diagram showing a telephone line connector according to this invention, and FIG. 2 is a block diagram showing a specific example of its data request detection section.
Claims (1)
る電話回線端子と、 データ端末機器よりのデータ信号を音声帯域デ
ータ変調信号に変換し、変調信号入出力端子に出
力し、その変調信号入出力端子より入力された音
声帯域データ変調信号をデータ信号に変換して上
記データ端末機器へ送出する変復調器と、 通話信号入力端子よりの通話信号を受話器へ供
給し、送話器よりの通話信号を上記通話信号へ入
出力端子へ供給する送受話部と、 その送受話部の通話信号入出力端子と、上記変
復調器の変調信号入出力端子とを切換えて上記電
話回線端子に接続することができ、常時は上記送
受話部の通話信号入出力端子側に接続された切換
えスイツチと、 上記電話回線端子に接続され、予め決められた
特定の周波数成分を検出する第1検出部と、その
特定周波数成分以外の周波数成分を検出する第2
検出部と、これら第1検出部及び第2検出部の出
力状態からデータ通信要求の有無を判定する判定
部とよりなるデータ要求検出部とを備えている電
話回線接続器。[Claims for Utility Model Registration] A telephone line terminal that is connected to a telephone line electrically or via a coupler, and a data signal from a data terminal device that converts it into a voice band data modulation signal and outputs it to a modulation signal input/output terminal. a modulator/demodulator that converts the voice band data modulated signal inputted from the modulated signal input/output terminal into a data signal and sends it to the data terminal equipment; A handset/receiver unit that supplies a call signal from the handset to the call signal input/output terminal; a call signal input/output terminal of the handset/receiver unit; and a modulated signal input/output terminal of the modem; a changeover switch that can be connected to the telephone line terminal and is normally connected to the call signal input/output terminal side of the handset/receiver section; and a first switch that is connected to the telephone line terminal and detects a predetermined specific frequency component. a detection unit, and a second detection unit that detects frequency components other than the specific frequency component.
A telephone line connector comprising: a detecting section; and a determining section that determines the presence or absence of a data communication request from the output states of the first detecting section and the second detecting section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5066386U JPS62164445U (en) | 1986-04-04 | 1986-04-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5066386U JPS62164445U (en) | 1986-04-04 | 1986-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62164445U true JPS62164445U (en) | 1987-10-19 |
Family
ID=30874227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5066386U Pending JPS62164445U (en) | 1986-04-04 | 1986-04-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62164445U (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5438446A (en) * | 1977-08-31 | 1979-03-23 | Nissan Motor Co Ltd | Distributor for internal combustion engine |
JPS5521417U (en) * | 1978-07-29 | 1980-02-12 | ||
JPS57194659A (en) * | 1981-05-26 | 1982-11-30 | Nippon Telegr & Teleph Corp <Ntt> | Controlling system for transmission of information |
JPS59158663A (en) * | 1983-03-01 | 1984-09-08 | Hitachi Denshi Ltd | Data acquisition system in telemeter device |
-
1986
- 1986-04-04 JP JP5066386U patent/JPS62164445U/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5438446A (en) * | 1977-08-31 | 1979-03-23 | Nissan Motor Co Ltd | Distributor for internal combustion engine |
JPS5521417U (en) * | 1978-07-29 | 1980-02-12 | ||
JPS57194659A (en) * | 1981-05-26 | 1982-11-30 | Nippon Telegr & Teleph Corp <Ntt> | Controlling system for transmission of information |
JPS59158663A (en) * | 1983-03-01 | 1984-09-08 | Hitachi Denshi Ltd | Data acquisition system in telemeter device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4596021A (en) | Modem for switching between voice and data communications on a single telephone call | |
JPS62164445U (en) | ||
JPS6331658U (en) | ||
JPS59117373A (en) | Telephone calling system of facsimile device | |
JPH0328619Y2 (en) | ||
GB1297688A (en) | ||
JPH0136370Y2 (en) | ||
JP2506844B2 (en) | Data terminal equipment | |
JPS6421555U (en) | ||
JPS6115849U (en) | telephone equipment | |
JPS61263333A (en) | Radio terminal communication system | |
JPS61154043U (en) | ||
JPS6271369A (en) | Modulator, and demodulator with talking function | |
JPS5888475U (en) | telephone switching device | |
JPS615079U (en) | Meeting telephone for CATV coaxial distribution network | |
JPS63211955A (en) | Disconnection system | |
JPH05219259A (en) | Communication system between telemeter devices using private line | |
JPS59134962U (en) | Communication auxiliary equipment | |
JPH0394551A (en) | Communication terminal equipment | |
JPH0127621B2 (en) | ||
JPH0186357U (en) | ||
JPS61121063U (en) | ||
JPS62224157A (en) | Data communication talking equipment | |
JPS6360644A (en) | Modem pool reply returning system | |
JPH02145831U (en) |