JPH0195886U - - Google Patents
Info
- Publication number
- JPH0195886U JPH0195886U JP19225087U JP19225087U JPH0195886U JP H0195886 U JPH0195886 U JP H0195886U JP 19225087 U JP19225087 U JP 19225087U JP 19225087 U JP19225087 U JP 19225087U JP H0195886 U JPH0195886 U JP H0195886U
- Authority
- JP
- Japan
- Prior art keywords
- dial signal
- rotary dial
- push button
- transmitting
- rotary
- 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 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Description
図面はこの考案の一実施例を示すブロツク線図
である。
図面において、１は構内電話交換機、２，３は
内線ＤＰ電話機、４，５は内線ＰＢ電話機、１１
は通話路切替手段、１２はＣＰＵ、１３はＰＢ信
号送信回路、１４はＰＢ信号受信回路、１５はＤ
Ｐ信号送信回路、１６はＤＰ信号カウンタ、１７
はタイマ、１８はメロデイ発生手段、１９はメモ
リである。
The drawing is a block diagram showing one embodiment of this invention. In the drawing, 1 is a private branch telephone exchange, 2 and 3 are extension DP telephones, 4 and 5 are extension PB telephones, and 11
12 is a CPU, 13 is a PB signal transmitting circuit, 14 is a PB signal receiving circuit, and 15 is a D
P signal transmission circuit, 16 is a DP signal counter, 17
18 is a timer, 18 is a melody generating means, and 19 is a memory.
Claims (1)
の任意の内線電話機に接続したり、内線電話機相
互間の交換接続を行なうための通話切替手段を備
えた構内電話交換機において、押しボタンダイヤ
ル信号の送受信を行なう押しボタンダイヤル信号
送受信手段と、回転ダイヤル信号の送受信を行な
う回転ダイヤル信号送受信手段と、この回転ダイ
ヤル信号送受信手段で受信された前記回転ダイヤ
ル信号を対応する前記押しボタンダイヤル信号に
変換し、前記押しボタンダイヤル信号送受信手段
で受信された前記押しボタンダイヤル信号に対応
する前記回転ダイヤル信号に変換するための中央
制御手段とを有することを特徴とする構内電話交
換機。 (2) 実用新案登録請求の範囲第１項において、
前記回転ダイヤル信号送受信手段は、前記回転ダ
イヤル信号の送信を行なう回転ダイヤル信号送信
回路と、前記回転ダイヤル信号を受信しその信号
をカウントする回転ダイヤル信号カウンタとで構
成されていることを特徴とする構内電話交換機。 (3) 実用新案登録請求の範囲第１項において、
前記中央制御手段はマイクロコンピユータと、前
記押しボタンダイヤル信号と前記回転ダイヤル信
号との対応関係を記憶するメモリとで構成されて
いることを特徴とする構内電話交換機。[Scope of Utility Model Registration Request] (1) Premises equipped with call switching means for connecting a telephone from an outside line to any one of multiple extension telephones or for switching between extension telephones. In a telephone exchange, a push button dial signal transmitting/receiving means for transmitting and receiving a push button dial signal, a rotary dial signal transmitting/receiving means for transmitting and receiving a rotary dial signal, and a rotary dial signal received by the rotary dial signal transmitting/receiving means are provided. and central control means for converting the push button dial signal into the rotary dial signal corresponding to the push button dial signal received by the push button dial signal transmitting/receiving means. telephone exchange. (2) In paragraph 1 of the claims for utility model registration,
The rotary dial signal transmitting/receiving means is characterized by comprising a rotary dial signal transmitting circuit that transmits the rotary dial signal, and a rotary dial signal counter that receives the rotary dial signal and counts the signal. Private branch telephone exchange. (3) In paragraph 1 of the claims for utility model registration,
A private branch telephone exchange characterized in that said central control means is comprised of a microcomputer and a memory that stores a correspondence relationship between said push button dial signals and said rotary dial signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19225087U JPH0195886U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19225087U JPH0195886U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195886U true JPH0195886U (en) | 1989-06-26 |
Family
ID=31483117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19225087U Pending JPH0195886U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195886U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5490910A (en) * | 1977-12-28 | 1979-07-19 | Iwatsu Electric Co Ltd | Automatic exchanging system in common use of pb dp |
-
1987
- 1987-12-18 JP JP19225087U patent/JPH0195886U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5490910A (en) * | 1977-12-28 | 1979-07-19 | Iwatsu Electric Co Ltd | Automatic exchanging system in common use of pb dp |