JPH0245878B2 - - Google Patents
Info
- Publication number
- JPH0245878B2 JPH0245878B2 JP59062165A JP6216584A JPH0245878B2 JP H0245878 B2 JPH0245878 B2 JP H0245878B2 JP 59062165 A JP59062165 A JP 59062165A JP 6216584 A JP6216584 A JP 6216584A JP H0245878 B2 JPH0245878 B2 JP H0245878B2
- Authority
- JP
- Japan
- Prior art keywords
- control device
- connection control
- diode bridge
- telephone
- switching
- 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.)
- Expired - Lifetime
Links
- 238000010586 diagram Methods 0.000 description 5
- 101000785063 Homo sapiens Serine-protein kinase ATM Proteins 0.000 description 2
- 102100020824 Serine-protein kinase ATM Human genes 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Description
【発明の詳細な説明】
発明の技術分野
本発明は、商用電源から給電されて動作するボ
タン電話装置等に於ける給電時と停電時との電話
機回路の切換えを行う電話機回路切換制御方式に
関するものである。[Detailed Description of the Invention] Technical Field of the Invention The present invention relates to a telephone circuit switching control method for switching the telephone circuit between power supply and power outage in a button telephone device or the like that operates by being supplied with power from a commercial power supply. It is.
従来技術と問題点
ボタン電話装置等に於いては、局線に接続され
た接続制御装置を介して複数の内線電話機を接続
するものであり、その接続制御装置は、商用電源
から給電されて動作するものである。例えば、第
1図に示すように、局線Lに接続制御装置NTが
接続され、この接続制御装置を介して複数の電話
機TEL1〜TELnが切換接続されるものである。
この接続制御装置NTは、外線及び内線からの着
信による呼出音や、保留音等の送出を行うと共
に、内線番号に対応した電話機TEL1〜TELnの
接続をサイリスタスイツチ等により行うものであ
る。このような接続制御を行う為に、交流100V
の商用電源から給電されるものである。しかし、
商用電源が停電した場合に全く着信及び発信がで
きないと困るので、接続制御装置NTを点線で示
すようにバイパス路BPでバイパスし、電話機に
局から給電するように切換える構成が採用されて
いる。Prior Art and Problems In key telephone devices, etc., multiple extension telephones are connected via a connection control device connected to a central office line, and the connection control device operates by being supplied with power from a commercial power source. It is something to do. For example, as shown in FIG. 1, a connection control device NT is connected to a central office line L, and a plurality of telephones TEL1 to TELn are selectively connected via this connection control device.
This connection control device NT sends out ring tones and hold tones for incoming calls from external lines and extensions, and also connects telephones TEL1 to TELn corresponding to extension numbers using thyristor switches or the like. In order to perform such connection control, AC 100V
It is powered by a commercial power source. but,
Since it would be a problem if the telephone could not receive or make calls at all in the event of a power outage, a configuration is adopted in which the connection control device NT is bypassed with a bypass path BP as shown by the dotted line, and the telephone is switched to receive power from the central office.
第2図は、前述の従来の接続制御装置と電話機
との要部のブロツク図を示し、L1,L2は局
線、1a,1bは第1の切換接点、2a,2bは
第2の切換接点、3は接続制御装置、4は電話
機、5はダイオードブリツジ、6はサイリスタス
イツチ等を含み呼出音送出や電話機のオフフツク
検出等の機能を備えた回路、7はダイオードブリ
ツジ、8は電話機の回路網である。 FIG. 2 shows a block diagram of the main parts of the above-mentioned conventional connection control device and telephone set, where L1 and L2 are central office lines, 1a and 1b are first switching contacts, and 2a and 2b are second switching contacts. , 3 is a connection control device, 4 is a telephone, 5 is a diode bridge, 6 is a circuit including a thyristor switch and has functions such as sending out a ring tone and detecting off-hook of the telephone, 7 is a diode bridge, and 8 is a telephone It is a circuit network.
接続制御装置3は交流100Vの商用電源から給
電されて動作するものであり、商用電源から給電
中は、切換接点1a,1b及び2a,2bは図示
の状態に切換えられており、局線L1,L2に、
ダイオードブリツジ5、回路6、電話機4のダイ
オードブリツジ7を介して電話機の回路網8が接
続されることになり、接続制御装置5から電話機
4に給電されて通話が行われることになる。 The connection control device 3 is operated by being supplied with power from an AC 100V commercial power source, and while power is being supplied from the commercial power source, the switching contacts 1a, 1b and 2a, 2b are switched to the states shown in the figure, and the station lines L1, To L2,
A circuit network 8 of the telephone set is connected via the diode bridge 5, the circuit 6, and the diode bridge 7 of the telephone set 4, and power is supplied from the connection control device 5 to the telephone set 4 to perform a telephone conversation.
又商用電源が停電すると、切換接点1a,1b
及び2a,2bは、接続制御装置3をバイパスす
るように切換えられる。従つて、局線L1,L2
に、電話機4のダイオードブリツジ7を介して回
路網8が接続されることになり、局給電により電
話機4が動作可能となる。 In addition, when the commercial power supply is interrupted, switching contacts 1a and 1b
and 2a, 2b are switched so as to bypass the connection control device 3. Therefore, the station lines L1, L2
Then, a circuit network 8 is connected through the diode bridge 7 of the telephone 4, and the telephone 4 becomes operable by the local power supply.
接続制御装置3のダイオードブリツジ5は、接
続制御装置3を局線L1,L2に接続する時の接
続極性を考慮する必要をなくす為のものであり、
又電話機4のダイオードブリツジ7も、電話機4
を接続制御装置3及び局線L1,L2に接続する
時の接続極性を考慮する必要をなくす為のもので
ある。 The diode bridge 5 of the connection control device 3 is for eliminating the need to consider connection polarity when connecting the connection control device 3 to the office lines L1 and L2.
The diode bridge 7 of the telephone 4 also
This is to eliminate the need to consider the connection polarity when connecting to the connection control device 3 and the station lines L1 and L2.
しかし、商用電源から給電中は、局線L1,L
2に対して2個のダイオードブリツジ5,7が接
続されることになり、それらのダイオードブリツ
ジ5,7によるインピーダンスにより通話損失が
増加する欠点があつた。 However, when power is being supplied from a commercial power source,
Since two diode bridges 5 and 7 are connected to each other, there is a drawback that the impedance caused by these diode bridges 5 and 7 increases call loss.
発明の目的
本発明は、商用電源の停電時も給電中も局線に
対して1個のダイオードブリツジのみが接続され
るようにして、通話損失の増加を防止することを
目的とするものである。Purpose of the Invention The purpose of the present invention is to prevent an increase in call loss by connecting only one diode bridge to a central office line even during a commercial power outage and during power supply. be.
発明の構成
本発明は、ダイオードブリツジとサイリスタス
イツチとを含み商用電源から給電されて動作する
接続制御装置と、該接続制御装置を局線に対して
接続するかバイパスするかを切換える第1及び第
2の切換接点と、ダイオードブリツジと回路網と
前記ダイオードブリツジを前記回路網に接続する
かバイパスするかを切換える第3の切換接点を含
む電話機とを備え、前記商用電源から前記接続制
御装置に給電中は、前記局線を前記接続制御装置
のダイオードブリツジに接続し、且つ該接続制御
装置を前記電話機に接続するように前記第1及び
第2の切換接点を切換えると共に、前記電話機の
ダイオードブリツジをバイパスするように前記第
3の切換接点を切換え、前記商用電源の停電時
は、前記接続制御装置をバイパスするように前記
第1及び第2の切換接点を切換えると共に、前記
電話機のダイオードブリツジを前記回路網に接続
するように前記第3の切換接点を切換えるもので
あり、局線に対して1個のダイオードブリツジの
みが接続されることになる。以下実施例ついて詳
細に説明する。Composition of the Invention The present invention provides a connection control device that includes a diode bridge and a thyristor switch and operates by being supplied with power from a commercial power supply, and a first and second connection control device that switches whether the connection control device is connected to a central office line or bypassed. a telephone set including a second switching contact, a diode bridge, a circuit network, and a third switching contact for switching between connecting or bypassing the diode bridge to the circuit network, and controlling the connection from the commercial power source. While power is being supplied to the device, the first and second switching contacts are switched to connect the central line to the diode bridge of the connection control device and connect the connection control device to the telephone, and the telephone The third switching contact is switched so as to bypass the diode bridge of the telephone; and when the commercial power supply is out of power, the first and second switching contacts are switched so as to bypass the connection control device; The third switching contact is switched to connect a diode bridge to the circuit network, and only one diode bridge is connected to the central office line. Examples will be described in detail below.
発明の実施例
第3図は本発明の実施例の要部のブロツク図で
あり、L1,L2は局線、11a,11bは第1
の切換接点、12a,12bは第2の切換接点、
19a,19bは第3の切換接点、13は接続制
御装置、14は電話機、15,17はダイオード
ブリツジ、16はサイリスタスイツチ等を含む回
路、18は電話機の回路網である。商用電源から
接続制御装置13に給電中は、第1、第2及び第
3の切換接点11a,11b,12a,12b及
び19a,19bは図示の状態に切換えられてお
り、局線L1,L2に接続制御装置13のダイオ
ードブリツジ15が接続され、又電話機14のダ
イオードブリツジ17は第3の切換接点19a,
19bによりバイパスされ、接続制御装置13に
対して直接的に電話機の回路網18が接続される
ことになる。従つて、回路網18は1個のダイオ
ードブリツジ15を介して局線L1,L2に接続
されることになる。Embodiment of the invention FIG. 3 is a block diagram of the main part of an embodiment of the invention, in which L1 and L2 are central lines, 11a and 11b are first
switching contacts, 12a and 12b are second switching contacts,
19a and 19b are third switching contacts, 13 is a connection control device, 14 is a telephone set, 15 and 17 are diode bridges, 16 is a circuit including a thyristor switch, etc., and 18 is a telephone circuit network. While power is being supplied to the connection control device 13 from the commercial power source, the first, second and third switching contacts 11a, 11b, 12a, 12b and 19a, 19b are switched to the state shown in the figure, and the central lines L1 and L2 are The diode bridge 15 of the connection control device 13 is connected, and the diode bridge 17 of the telephone 14 is connected to the third switching contact 19a,
19b, and the telephone circuit network 18 is directly connected to the connection control device 13. The network 18 is therefore connected via one diode bridge 15 to the central lines L1, L2.
又商用電源が停電すると、第1、第2及び第3
の切換接点11a,11b,12a,12b及び
19a,19bは、図示の状態から切換えられ、
第1及び第2の切換接点11a,11b,12
a,12bにより接続制御装置13がバイパスさ
れ、局線L1,L2に直接第3の切換接点19
a,19bが接続され、この切換接点19a,1
9bによりダイオードブリツジ17が接続される
ので、回路網18は1個のダイオードブリツジ1
7を介して局線L1,L2に接続されることにな
る。 Also, if the commercial power supply fails, the 1st, 2nd, and 3rd
The switching contacts 11a, 11b, 12a, 12b and 19a, 19b are switched from the illustrated state,
First and second switching contacts 11a, 11b, 12
a, 12b, the connection control device 13 is bypassed, and the third switching contact 19 is directly connected to the central office lines L1, L2.
a, 19b are connected, and this switching contact 19a, 1
9b connects the diode bridge 17, so that the network 18 is connected to one diode bridge 1
7 to the central office lines L1 and L2.
商用電源の停電検出を行う機能を接続制御装置
13に設けることは既に知られており、その停電
検出により第1、第2及び第3の切換接点11
a,11b,12a,12b及び19a,19b
の切換制御を行うようにすることも勿論可能であ
る。その場合は、6接点のリレーを用いることに
より容易に実現することができる。又停電時に手
動により切換操作することも可能である。 It is already known that the connection control device 13 is provided with a function of detecting a power outage of the commercial power supply, and the first, second and third switching contacts 11 are activated by the power outage detection.
a, 11b, 12a, 12b and 19a, 19b
Of course, it is also possible to perform switching control. In that case, it can be easily realized by using a six-contact relay. It is also possible to switch manually during a power outage.
発明の効果
以上説明したように、本発明は、商用電源から
接続制御装置13に給電中は、局線L1,L2を
前記接続制御装置13のダイオードブリツジ15
に接続し、且つ接続制御装置13を電話機14に
接続するように第1及び第2の切換接点11a,
11b,12a,12bを切換えると共に、前記
電話機14のダイオードブリツジ17をバイパス
するように第3の切換接点19a,19bを切換
え、商用電源の停電時は、前記接続制御装置13
をバイパスするように前記第1及び第2の切換接
点11a,11b,12a,12bを切換えると
共に、前記電話機14のダイオードブリツジ17
を回路網18に接続するように前記第3の切換接
点19a,19bを切換えるものであり、局線に
対して通電時はダイオードブリツジ15、停電時
はダイオードブリツジ17を介して電話機14の
回路網18が接続されるので、1個のダイオード
ブリツジによる通話損失だけとなり、従来例に比
較して通話損失を低減することが可能となる利点
があり、且つ通電時と停電時との通話レベルがほ
ぼ同じくなる利点がある。Effects of the Invention As explained above, the present invention provides that, while power is being supplied to the connection control device 13 from a commercial power source, the office lines L1 and L2 are connected to the diode bridge 15 of the connection control device 13.
and the first and second switching contacts 11a, so as to connect the connection control device 13 to the telephone 14.
11b, 12a, 12b, and also switches the third switching contacts 19a, 19b so as to bypass the diode bridge 17 of the telephone 14, and in the event of a power outage of the commercial power supply, the connection control device 13
The first and second switching contacts 11a, 11b, 12a, 12b are switched so as to bypass the diode bridge 17 of the telephone 14.
The third switching contacts 19a and 19b are switched to connect the telephone 14 to the circuit network 18, and the telephone 14 is connected to the telephone 14 through the diode bridge 15 when the power is energized to the central office line, and through the diode bridge 17 during a power outage. Since the circuit network 18 is connected, there is only a call loss due to one diode bridge, which has the advantage of being able to reduce call loss compared to the conventional example. The advantage is that the levels are almost the same.
第1図はボタン電話装置のブロツク図、第2図
は従来の接続制御装置と電話機との要部ブロツク
図、第3図は本発明の実施例の要部ブロツク図で
ある。
L1,L2は局線、11a,11bは第1の切
換接点、12a,12bは第2の切換接点、19
a,19bは第3の切換接点、13は接続制御装
置、14は電話機、15,17はダイオードブリ
ツジ、16はサイリスタスイツチ等を含む回路、
18は電話機の回路網である。
FIG. 1 is a block diagram of a button telephone device, FIG. 2 is a block diagram of essential parts of a conventional connection control device and a telephone, and FIG. 3 is a block diagram of essential parts of an embodiment of the present invention. L1 and L2 are central lines, 11a and 11b are first switching contacts, 12a and 12b are second switching contacts, 19
a, 19b are third switching contacts, 13 is a connection control device, 14 is a telephone, 15, 17 is a diode bridge, 16 is a circuit including a thyristor switch, etc.
18 is a telephone circuit network.
Claims (1)
を含み商用電源から給電されて動作する接続制御
装置と、該接続制御装置を局線に対して接続する
かバイパスするかを切換える第1及び第2の切換
接点と、ダイオードブリツジと回路網と前記ダイ
オードブリツジを前記回路網に接続するかバイパ
スするかを切換える第3の切換接点を含む電話機
とを備え、前記商用電源から前記接続制御装置に
給電中は、前記局線を前記接続制御装置のダイオ
ードブリツジに接続し、且つ該接続制御装置を前
記電話機に接続するように前記第1及び第2の切
換接点を切換えると共に、前記電話機のダイオー
ドブリツジをバイパスするように前記第3の切換
接点を切換え、前記商用電源の停電時は、前記接
続制御装置をバイパスするように前記第1及び第
2の切換接点を切換えると共に、前記電話機のダ
イオードブリツジを前記回路網に接続するように
前記第3の切換接点を切換えることを特徴とする
電話機回路切換制御方式。1. A connection control device including a diode bridge and a thyristor switch, which operates by being supplied with power from a commercial power source, and first and second switching contacts that switch whether the connection control device is connected to the central office line or bypassed. , a telephone set including a diode bridge, a circuit network, and a third switching contact for switching whether to connect or bypass the diode bridge to the circuit network, and while power is being supplied to the connection control device from the commercial power source, connecting the central office line to a diode bridge of the connection control device and switching the first and second switching contacts to connect the connection control device to the telephone set, bypassing the diode bridge of the telephone set; When the commercial power supply fails, the first and second switching contacts are switched to bypass the connection control device, and the diode bridge of the telephone is switched to A telephone circuit switching control system characterized in that the third switching contact is switched to connect to a circuit network.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59062165A JPS60223285A (en) | 1984-03-31 | 1984-03-31 | Switching control system of telephone circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59062165A JPS60223285A (en) | 1984-03-31 | 1984-03-31 | Switching control system of telephone circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60223285A JPS60223285A (en) | 1985-11-07 |
JPH0245878B2 true JPH0245878B2 (en) | 1990-10-12 |
Family
ID=13192230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59062165A Granted JPS60223285A (en) | 1984-03-31 | 1984-03-31 | Switching control system of telephone circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60223285A (en) |
-
1984
- 1984-03-31 JP JP59062165A patent/JPS60223285A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60223285A (en) | 1985-11-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8189569B2 (en) | Apparatus and method for realizing user switching between IP network and PSTN network | |
JPS6373749A (en) | Switching system between cordless telephone set and wire telephone set | |
JPS59221098A (en) | Terminal interface device of key telephone device | |
JPH0245878B2 (en) | ||
US2619550A (en) | Telephone extension control system | |
JPS61121594A (en) | Trunk line-line interface circuit | |
JPS6328385B2 (en) | ||
JPS60103896A (en) | Trunk line interface circuit | |
JP2961849B2 (en) | Private branch exchange system | |
JPS63151166A (en) | Key telephone system | |
JP2793202B2 (en) | Telephone | |
JPH0728751Y2 (en) | Telephone device | |
JPH01288145A (en) | Howling prevention system at loudspeaker talking end | |
JPS6369366A (en) | Telephone set composite type facsimile equipment | |
JPS61112465A (en) | Absence transfer call notice service system | |
JPS58100593A (en) | Button telephone device | |
JPS5970073A (en) | Power supply device for telephone set at power failure | |
JPH0243862A (en) | Incoming call management priority system | |
JPH0129119B2 (en) | ||
JPH02217060A (en) | Communication line switching system | |
JPH0271651A (en) | Direct route changeover circuit when fault of telephone exchange occurs | |
JPS592473A (en) | Connecting circuit of user's set | |
JPH0260345A (en) | Holding tone sending circuit | |
JPS6135695A (en) | Command trunk | |
JPS584875B2 (en) | Display method of central office line trunk in use during night switching |