JPS63120454U - - Google Patents
Info
- Publication number
- JPS63120454U JPS63120454U JP1194987U JP1194987U JPS63120454U JP S63120454 U JPS63120454 U JP S63120454U JP 1194987 U JP1194987 U JP 1194987U JP 1194987 U JP1194987 U JP 1194987U JP S63120454 U JPS63120454 U JP S63120454U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- telephone
- line
- facsimile device
- extraction
- 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 3
- 238000000605 extraction Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Facsimiles In General (AREA)
- Facsimile Transmission Control (AREA)
Description
第１〜３図は本考案のフアクシミリ装置の一実
施例を示す図であり、第１図はそのフアクシミリ
装置のブロツク図、第２図はその網制御装置と回
線および電話機の接続関係を示す要部ブロツク図
、第３図はその電話機のプツシユボタンに割当て
られたトーン信号の周波数を示す図である。
１６…ＣＭＬリレー（切換手段）、１８…バン
ドパスフイルタ（抽出手段）、２０…通信制御部
（切換制御手段）、ＣＯＭＰ１，ＣＯＭＰ２…コ
ンパレータ（検出手段）。
1 to 3 are diagrams showing an embodiment of the facsimile device of the present invention, FIG. 1 is a block diagram of the facsimile device, and FIG. The partial block diagram, FIG. 3, is a diagram showing the frequencies of the tone signals assigned to the push buttons of the telephone. 16... CML relay (switching means), 18... Band pass filter (extracting means), 20... Communication control section (switching control means), COMP1, COMP2... Comparator (detecting means).
Claims (1)
電話機と択一的に切換えて回線に接続されるフア
クシミリ装置において、前記切換手段により電話
機側に接続された回線に流れる信号から所定周波
数域の信号を抽出する抽出手段と、該抽出手段の
抽出前後における信号レベルに基づいて所定のト
ーン信号を検出する検出手段と、該検出手段の検
出結果に基づいて前記切換手段により回線を電話
機からフアクシミリ装置に切換える切換制御手段
と、を備えたことを特徴とするフアクシミリ装置
。 In a facsimile device that shares one line with a telephone and is connected to the line by selectively switching with the telephone by a switching means, the switching means selects a signal in a predetermined frequency range from the signal flowing through the line connected to the telephone. an extraction means for extracting, a detection means for detecting a predetermined tone signal based on the signal level before and after the extraction by the extraction means, and a switching means for switching the line from the telephone to the facsimile device based on the detection result of the detection means. A facsimile device comprising a switching control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1194987U JPS63120454U (en) | 1987-01-28 | 1987-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1194987U JPS63120454U (en) | 1987-01-28 | 1987-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63120454U true JPS63120454U (en) | 1988-08-04 |
Family
ID=30799628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1194987U Pending JPS63120454U (en) | 1987-01-28 | 1987-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63120454U (en) |
-
1987
- 1987-01-28 JP JP1194987U patent/JPS63120454U/ja active Pending