JPH0224661U - - Google Patents
Info
- Publication number
- JPH0224661U JPH0224661U JP10286688U JP10286688U JPH0224661U JP H0224661 U JPH0224661 U JP H0224661U JP 10286688 U JP10286688 U JP 10286688U JP 10286688 U JP10286688 U JP 10286688U JP H0224661 U JPH0224661 U JP H0224661U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- transmission line
- circuits
- master telephone
- telephone
- 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
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例の構内指令電話装置
の一例を示すブロツク図、第２図は従来の構内指
令電話装置の一例を示すブロツク図である。
１０……構内交換機、２０……親電話機、３０
……子電話機、１０１……信号専用伝送路、１０
２……音声用伝送路、１０３……信号変換回路、
１０４……信号変換回路、１０５……信号制御回
路、１０６……切換回路、２００……構内交換機
、２０１……信号制御回路、２０２……信号制御
回路、３００……伝送路。
FIG. 1 is a block diagram showing an example of a private command telephone device according to an embodiment of the present invention, and FIG. 2 is a block diagram showing an example of a conventional private command telephone device. 10... Private branch exchange, 20... Main telephone, 30
...Slave phone, 101...Signal dedicated transmission line, 10
2...Audio transmission line, 103...Signal conversion circuit,
104... Signal conversion circuit, 105... Signal control circuit, 106... Switching circuit, 200... Private branch exchange, 201... Signal control circuit, 202... Signal control circuit, 300... Transmission line.
Claims (1)
収容する構内交換機と、制御信号を伝送する信号
専用伝送路と、音声を伝送する音声用伝送路と、
前記親電話機からの発信信号を変換して前記構内
交換機と前記信号専用伝送路及び前記音声用伝送
路間を接続する第１の信号変換回路と、前記親電
話機と通話を行う複数の子電話機と、この複数の
子電話機にそれぞれ独立に接続して前記音声用伝
送路に接続する複数の切換回路と、前記信号用伝
送路に接続して受信信号を信号変換する複数の第
２の信号変換回路と、この複数の第２の信号変換
回路にそれぞれ独立に接続し且つ前記複数の切換
回路の一つに接続して切換制御信号を送出する複
数の信号制御回路とを有することを特徴とする構
内指令電話装置。 A master telephone as a source of simultaneous commands, a private branch exchange that accommodates the master telephone, a dedicated signal transmission line for transmitting control signals, and a voice transmission line for transmitting voice;
a first signal conversion circuit that converts an outgoing signal from the master telephone and connects the private branch exchange, the signal-only transmission line, and the voice transmission line; and a plurality of slave telephones that communicate with the master telephone. , a plurality of switching circuits that are independently connected to the plurality of child telephones and connected to the audio transmission line, and a plurality of second signal conversion circuits that are connected to the signal transmission line and convert the received signals. and a plurality of signal control circuits each independently connected to the plurality of second signal conversion circuits and connected to one of the plurality of switching circuits to send out a switching control signal. Command telephone device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10286688U JPH0224661U (en) | 1988-08-02 | 1988-08-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10286688U JPH0224661U (en) | 1988-08-02 | 1988-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0224661U true JPH0224661U (en) | 1990-02-19 |
Family
ID=31333171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10286688U Pending JPH0224661U (en) | 1988-08-02 | 1988-08-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224661U (en) |
-
1988
- 1988-08-02 JP JP10286688U patent/JPH0224661U/ja active Pending
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