JPH03107850U - - Google Patents
Info
- Publication number
- JPH03107850U JPH03107850U JP1511790U JP1511790U JPH03107850U JP H03107850 U JPH03107850 U JP H03107850U JP 1511790 U JP1511790 U JP 1511790U JP 1511790 U JP1511790 U JP 1511790U JP H03107850 U JPH03107850 U JP H03107850U
- Authority
- JP
- Japan
- Prior art keywords
- tone
- ring tone
- exchange
- digital telephone
- generators
- 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 7
Landscapes
- Devices For Supply Of Signal Current (AREA)
Description
第１図はこの考案の一実施例による呼出音発生
装置を示すブロツク図、第２図は呼出音発生回路
をすべて交換機側に設けたこの考案の他の実施例
を示す図、第３図は第１図の実施例の場合の論理
回路１１の内部処理例を示す図、第４図は第１図
実施例の場合の信号解読器７の内部処理例を示す
図、第５図は従来の呼出音発生方式を示すブロツ
ク図であり、第６図はＣＰＵ２からの送出信号例
を示す図、第７図は信号解読部１５の内部処理例
を示す図である。
図において、１……交換機、２……ＣＰＵ、３
……メモリ、４……スイツチ、５……デイジタル
電話機、７……信号解読器、８，９，１０……発
振器、１１……論理回路、１２……スイツチ、１
３……アンプ、１４……スピーカ、１５……信号
解読部、１６……論理回路である。なお、図中、
同一符号は同一又は相当部分をあらわす。
FIG. 1 is a block diagram showing a ringing tone generator according to one embodiment of this invention, FIG. 2 is a diagram showing another embodiment of this invention in which all the ringing tone generation circuits are provided on the exchange side, and FIG. FIG. 4 is a diagram showing an example of internal processing of the logic circuit 11 in the embodiment shown in FIG. 1, FIG. 4 is a diagram showing an example of internal processing of the signal decoder 7 in the embodiment shown in FIG. 6 is a block diagram showing a ringing tone generation system, FIG. 6 is a diagram showing an example of a signal sent from the CPU 2, and FIG. 7 is a diagram showing an example of internal processing of the signal decoder 15. In the figure, 1...exchange, 2...CPU, 3
... Memory, 4 ... Switch, 5 ... Digital telephone, 7 ... Signal decoder, 8, 9, 10 ... Oscillator, 11 ... Logic circuit, 12 ... Switch, 1
3...Amplifier, 14...Speaker, 15...Signal decoder, 16...Logic circuit. In addition, in the figure,
The same symbols represent the same or equivalent parts.
Claims (1)
換機と授受するデイジタル電話機を有した呼出音
発生装置において、デイジタル電話機の呼出音に
関する複数のトーン発生器とその複数のトーン発
生器の種類を選択し、その選択したトーン発生器
より出力された呼出音をスイツチに送出する論理
回路を交換機に備えた事を特徴とする呼出音発生
装置。 In a ring tone generating device having a digital telephone that transmits and receives call voice and control signals to and from an exchange in the form of digital signals, a plurality of tone generators and types of the plurality of tone generators are selected for the ring tone of the digital telephone; A ring tone generator characterized in that an exchange is equipped with a logic circuit for transmitting a ring tone output from a selected tone generator to a switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1511790U JPH03107850U (en) | 1990-02-17 | 1990-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1511790U JPH03107850U (en) | 1990-02-17 | 1990-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03107850U true JPH03107850U (en) | 1991-11-06 |
Family
ID=31518436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1511790U Pending JPH03107850U (en) | 1990-02-17 | 1990-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03107850U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52130219A (en) * | 1976-04-24 | 1977-11-01 | Fujitsu Ltd | Transmission control system for call signal |
| JPS6181064A (en) * | 1984-09-28 | 1986-04-24 | Nec Eng Ltd | Originating subscriber discriminating system |
-
1990
- 1990-02-17 JP JP1511790U patent/JPH03107850U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52130219A (en) * | 1976-04-24 | 1977-11-01 | Fujitsu Ltd | Transmission control system for call signal |
| JPS6181064A (en) * | 1984-09-28 | 1986-04-24 | Nec Eng Ltd | Originating subscriber discriminating system |
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