JPS61136686U - - Google Patents
Info
- Publication number
- JPS61136686U JPS61136686U JP1803285U JP1803285U JPS61136686U JP S61136686 U JPS61136686 U JP S61136686U JP 1803285 U JP1803285 U JP 1803285U JP 1803285 U JP1803285 U JP 1803285U JP S61136686 U JPS61136686 U JP S61136686U
- Authority
- JP
- Japan
- Prior art keywords
- internal
- lines
- circuit
- key telephone
- external lines
- 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 2
- 230000003321 amplification Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Description
第１図は本考案の実施例の電話器を含む構内電
子交換機設置の系統図、第２図は第１図に示した
ボタン電話器主装置とボタン電話器とを示すシス
テム図、第３図Ａは外観の場合の呼出音を示すタ
イムチヤート、第３図Ｂは内線の場合の呼出音を
示すタイムチヤートである。尚図において、
１……構内電子交換機、２……ボタン電話器主
装置、３……ボタン電話器、４……着信検出回路
、５……保留音発生回路、６……呼出音発生回路
、７……制御回路、８……回線切換スイツチ、９
……増幅回路、１０……スピーカ、１１……表示
ランプ、１２……制御回路、１３……呼出音識別
回路、１４，１５……表示ランプ、１６……押ボ
タンキー。
FIG. 1 is a system diagram of installing a private electronic branch exchange including a telephone according to an embodiment of the present invention, FIG. 2 is a system diagram showing the key telephone main unit and the key telephone shown in FIG. 1, and FIG. A is a time chart showing the ringing tone in the case of an external line, and FIG. 3B is a time chart showing the ringing tone in the case of an extension line. In the figure, 1...Private branch exchange, 2...Key telephone main unit, 3...Key telephone, 4...Incoming call detection circuit, 5...Hold tone generation circuit, 6...Ring tone generation circuit, 7... Control circuit, 8... Line changeover switch, 9
... Amplification circuit, 10 ... Speaker, 11 ... Display lamp, 12 ... Control circuit, 13 ... Ringing tone identification circuit, 14, 15 ... Display lamp, 16 ... Push button key.
Claims (1)
との識別が出来る様に内、外線用表示ランプをそ
れぞれ設けたことを特徴とする電話器。 A telephone capable of transmitting and receiving multiple calls, characterized in that it is provided with indicator lamps for internal and external lines so that internal lines and external lines can be distinguished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1803285U JPS61136686U (en) | 1985-02-12 | 1985-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1803285U JPS61136686U (en) | 1985-02-12 | 1985-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61136686U true JPS61136686U (en) | 1986-08-25 |
Family
ID=30506289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1803285U Pending JPS61136686U (en) | 1985-02-12 | 1985-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61136686U (en) |
-
1985
- 1985-02-12 JP JP1803285U patent/JPS61136686U/ja active Pending