KR890002560Y1 - Telephone circuit displaying off-hook - Google Patents

Telephone circuit displaying off-hook Download PDF

Info

Publication number
KR890002560Y1
KR890002560Y1 KR2019860001955U KR860001955U KR890002560Y1 KR 890002560 Y1 KR890002560 Y1 KR 890002560Y1 KR 2019860001955 U KR2019860001955 U KR 2019860001955U KR 860001955 U KR860001955 U KR 860001955U KR 890002560 Y1 KR890002560 Y1 KR 890002560Y1
Authority
KR
South Korea
Prior art keywords
resistor
transistor
signal
parallel
diode
Prior art date
Application number
KR2019860001955U
Other languages
Korean (ko)
Other versions
KR870014016U (en
Inventor
윤경기
Original Assignee
윤경기
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 윤경기 filed Critical 윤경기
Priority to KR2019860001955U priority Critical patent/KR890002560Y1/en
Publication of KR870014016U publication Critical patent/KR870014016U/en
Application granted granted Critical
Publication of KR890002560Y1 publication Critical patent/KR890002560Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/02—Diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/04—Transistors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/38—Displays

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

내용 없음.No content.

Description

전화선로 사용표시 및 신호표시장치Telephone line usage indication and signal display device

제1도는 본 고안의 회로도.1 is a circuit diagram of the present invention.

사무실이나 가정에서 한 개의 국선로에 둘 이상의 전화기를 설치, 사용하는 경우에 보편적으로 사용중인 것을 모르고 수화기를 든다거나 신호가 왔을 때 둘 이상 벨이 울려 음향관제를 요할 장소등에서 소음으로 인한 문제점이 발생되었다.When installing and using more than one phone on one trunk line in office or home, problems occur due to noise in places that require sound control by picking up the handset or ringing more than one when there is a signal It became.

본 고안은 동일 선로상에 병렬 연결된 전화기는 어느것이든 사용하고자 수화기를 들면 사용중인 전화기는 물론, 같은 선로상에 병렬연결된 모든 전화기에 표시램프가 점등되어 사용하고 있다는 것을 알 수 있음으로 중복사용을 미연에 방지할 수 있으며, 수화기를 잘못 올려 놓음으로 파생되는 물질적, 정신적인 손해를 줄일 수 있으며, 전화국 교환기의 고장을 경감시킬 수 있다.The design of the present invention shows that the indication lamps are turned on and used for all the telephones connected in parallel as well as the telephones in use when the handset is used for any telephones connected in parallel on the same line. It is possible to reduce the physical and mental damage caused by incorrectly placing the receiver, and to reduce the failure of the telephone exchange.

또한 선로상에 신호가 도래하면 신호에 따라서 램프가 점멸함으로 야간이나 등화관제시 전화기의 위치를 쉽게 파악하여 사용할 수 있으며, 간단한 스위치 조작으로 밸소리를 없앨 수 있음으로 음향관제를 요하는 병원, 초소등에서 매우 편리한 장치로 별도의 전원을 사용하지 않고, 선로자체의 전원으로 동작이 가능한 전화기의 선로사용표시 및 신호표시장치를 첨부 도면에 의하여 상세히 설명하면, 전화기 국선선로(L1)(L2)에 연결된 공지의 전화기와 병렬로 브리지다이오드(D1)의 접점(C)와 국선로(L1)이 연결되고 브리지다이오드(D1)의 접점(d)와 국선로(L2)가 연결되며, 브리지다이오드(D1)의 접점(a)와 저항(R1)과 저항(R3), 트랜지스터(Q2)의 콜렉터와 연결하고 저항(R1)과 제너다이오드(ZD), 저항(R2)로 구성된 회로와 저항(R3)과 트랜지스터(Q1), 트랜지스터(Q2)와 발광다이오드(LED) 및 저항(R1)로 구성된 회로에, 저항(R2), 트랜지스터(Q1)의 에미터 저항(R4)가 브리지다이오드(D1)의 접점(C)와 연결하여 구성시킨 것이다.In addition, when the signal arrives on the track, the lamp flashes according to the signal, so you can easily identify the location of the phone at night or at the time of light control, and you can eliminate the bell sound by simple switch operation. It is a very convenient device, without using a separate power supply, the line use display and signal display device of the telephone which can be operated by the power of the line itself will be described in detail by the accompanying drawings, the telephone trunk line (L 1 ) (L 2 ) The contact point C of the bridge diode D 1 and the trunk line L 1 are connected in parallel with the connected known telephone, and the contact point d of the bridge diode D 1 and the trunk line L 2 are connected. It is connected to the contact (a) of the bridge diode (D 1 ), the resistor (R 1 ), the resistor (R 3 ), and the collector of the transistor (Q 2 ), and the resistor (R 1 ), zener diode (ZD), and the resistor (R 2). ) Circuit consisting of resistor (R 3 ) and transistor (Q) 1 ), in a circuit composed of a transistor Q 2 , a light emitting diode (LED) and a resistor (R 1 ), the emitter resistor (R 4 ) of the resistor (R 2 ) and the transistor (Q 1 ) is a bridge diode (D 1). It is configured to connect with the contact (C) of the).

이와 같이 구성된 본 고안은 선로사용 표시 및 신호표시 장치의 동작과정은 다음과 같다.The present invention configured as described above is the operation process of the line use display and signal display device is as follows.

먼저 브리지다이오드(D1)의 동작은 선로(L1)(L2)의 극성변화에 관계없이 다이오드(1)(2)에 의하여 접점(a)는 +전압, 다이오드(3)(4)에 의하여 접점(b)는 -전압을 형성한다.First of all, the operation of the bridge diode D 1 is performed by the diodes 1 and 2 regardless of the polarity change of the lines L 1 and L 2 . The contact b thus forms a negative voltage.

선로사용 표시방법은 송수화기를 들기 전에는 저항(R1)과 제너다이오드(ZD)와 저항(R2)로 형성된 회로에서는 저항(R2)에 +전압이 나타난다.In the line usage display method, a positive voltage appears in the resistor R 2 in a circuit formed of the resistor R 1 , the zener diode ZD, and the resistor R 2 before the handset is lifted up.

이 +전압에 의하여 트랜지스터(Q1)의 베이스에 +전압이 되면, 트랜지스터(Q1)의 콜렉터와 에미터는 도통이 되어 저항(Q3)과 연결된 트랜지스터(Q1)의 콜렉터, 트랜지스터(Q2)의 베이스는 -전압이 되어 트랜지스터(Q2)는 전류가 흐르지 못하여 발광다이오드(LED)는 점등되지 못한다.When the positive voltage is applied to the base of the transistor Q 1 by the positive voltage, the collector and the emitter of the transistor Q 1 become conductive, and the collector and transistor Q 2 of the transistor Q 1 connected to the resistor Q 3 become conductive. ), The base becomes a -voltage, and the transistor Q 2 does not flow current, so the light emitting diode LED is not turned on.

그리고 송수화기를 들면 전화기의 임피던스가 낮음으로 선로전압은 현저하게 낮아져 저항(R2)과 트랜지스터(Q1)의 베이스 접점에는 -전압이 걸린다. 그러므로 트랜지스터(Q1)은 동작하지 않게 되어 트랜지스터(Q1)의 콜렉터에는 저항(R3)을 통하여 +전압이 나타나고 같은 접점인 트랜지스터(Q2)의 베이스가 +전압으로, 트랜지스터(Q2)의 콜렉터와 에미터가 도통하고 발광다이오드(LED)와 저항(R4)에 의하여 전류루우프가 되어 발광다이오드(LED)는 점등하여서 사용중인 것을 알 수 있다.When the handset is lifted, the line voltage is remarkably lowered due to the low impedance of the telephone, and a negative voltage is applied to the base contact of the resistor R 2 and the transistor Q 1 . Therefore, the transistor Q 1 does not operate, and a positive voltage appears at the collector of the transistor Q 1 through the resistor R 3 , and the base of the transistor Q 2 , which is the same contact, has a positive voltage, and the transistor Q 2 is present. It can be seen that the collector and the emitter are turned on, and the light emitting diode (LED) and the resistor (R 4 ) become a current loop and the light emitting diode (LED) is turned on and in use.

즉 병렬로 모든 전화기의 램프가 들어오며 실수로 인하여 수화기를 잘못 놓았을 때에도 발광다이오드(LED)가 계속 점등된다.In other words, the lamps of all the phones come on in parallel, and the LEDs stay on even when the receiver is misplaced due to a mistake.

신호표시 방법은 전화국에서 신호가 도래하면 신호에 따라서 국선선로(L1)(L2)에 무부하 전압이나 전압이 걸리지 않을 때는 선로사용 표시방법에 기술한 바와 같이 발광다이오드(LED)는 전류루우프가 형성되지 않으나 신호성분은 교류성분에 가까우므로 어느 기준전압으로 낮아지면 저항(R2)는 -전압이 되어 트랜지스터(Q1)은 오프(OFF)가 되며, 저항(R3)은 +전압이 되어서 트랜지스터(Q2)는 온(ON)으로 발광다이오드(LED)와 저항(R4)로 전류루우프가 형성되어 발광다이오드(LED)는 점등되고 순간 선로전압이 떨어져 발광다이오드(LED)는 꺼지는 것이 서로 반복되어 신호에 따라서 발광다이오드(LED가 점멸하여 신호가 온것을 알수가 있다.In the signal display method, when no signal is applied to the trunk line (L 1 ) (L 2 ) according to the signal when the telephone station arrives, the light emitting diode (LED) has a current loop. Although it is not formed, the signal component is close to the AC component, so when the voltage is lowered to a certain reference voltage, the resistor R 2 becomes-voltage, the transistor Q 1 becomes OFF, and the resistor R 3 becomes + voltage. The transistor Q 2 is turned on and a current loop is formed by the light emitting diode LED and the resistor R 4 so that the light emitting diode LED is turned on and the line voltage drops so that the light emitting diode LED is turned off. Repeatedly, according to the signal, the light emitting diode (LED is blinking and it can be seen that the signal is on.

그리고 벨회로에 스위치를 장치하여 벨신호를 없앨 수가 있음으로 소음을 경감하게 된다.And by installing a switch in the bell circuit can eliminate the bell signal to reduce the noise.

이상과 같이 동작함으로 동일 국선 선로상에 2대 이상 병령 연결사용할 경우 사용중인 것을 모르고 수화기를 들었다 놓는 실수를 방지할 수 있으며, 수화기를 잘못 놓았을 것에 대하여 점검을 할 수 있고, 야간에 신호점멸로 전화기의 위치를 쉽게 감지하여 벨회로 스위치에 의하여 음향관제를 하며, 별도의 전원장치를 사용하지 않음으로 간단하게 제작이 되어 기존 전화기에 손쉽게 장치하여 전화국 교환기능등이 고장요인을 국소화 할 수 있는 전화선로 사용표시 및 신호표시 장치이다.By operating as above, it is possible to prevent the mistake of picking up and picking up the handset without knowing that it is in use when connecting more than two parallel soldiers on the same trunk line. Easily detects the location of the telephone and controls the sound by a bell circuit switch, and it is simply manufactured by not using a separate power supply, and it can be easily installed on an existing telephone so that a telephone station exchange function can localize the failure factor. Used as a display and signal display device.

Claims (1)

국선로(L1)(L2)에 연결된 공지의 전화기에 사용중 표시와 벨신호에 따른 점멸신호가 동시에 표시되는 이 장치는 국선로(L1)(L2)에 공지 전화기와 병렬로 연결된 브리지 다이오드(D1)와 이의 접점(c)(d)를 연결하고 브리지 다이오드의 양극인 접점(a)와 음극인 접점(b) 사이에 저항(R1)-제너다이도드(ZD)-저항(R2)로 직렬구성된 회로를 병렬접속하고 다시 저항(R3)-트랜지스터(Q1)로 직렬구성된 회로를 병렬접속하고-트랜지스터(Q1)의 베이스는 제너다이오드(ZD)와 저항(R2)의 접점에 접속-또다시 트랜지스터(Q2)-발광다이오드(LED)-저항(R4)로 직렬 구성된 회로를 병렬접속하여 -트랜지스터(Q2)의 베이스는 트랜지스터(Q1)의 콜렉터에 접속-구성되며 발광다이오드(LED)에 의하여 표시됨을 특징으로 하는 전화선로 사용표시 및 신호표시장치.This device, which displays the busy signal and the flashing signal according to the bell signal simultaneously on a known telephone connected to the trunk line L1 and L2, is a bridge diode D1 connected in parallel with the telephone line on the trunk line L1 and L2. And a circuit (c) (d) connected to each other and formed in series with a resistor (R1) -zener diode (ZD) -resistance (R2) between a contact (a), which is the anode of the bridge diode, and a contact (b), which is the cathode of the bridge diode. Are connected in parallel and again the circuit configured in series with the resistor (R3) -transistor (Q1) is connected in parallel.The base of the transistor (Q1) is connected to the contact of the zener diode (ZD) and the resistor (R2). ) -The light emitting diode (LED) -resistor (R4) in series connected in parallel -The base of the transistor (Q2) is connected to the collector of the transistor (Q1)-is configured by the light emitting diode (LED) Telephone line use indication and signal indication device.
KR2019860001955U 1986-02-19 1986-02-19 Telephone circuit displaying off-hook KR890002560Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860001955U KR890002560Y1 (en) 1986-02-19 1986-02-19 Telephone circuit displaying off-hook

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860001955U KR890002560Y1 (en) 1986-02-19 1986-02-19 Telephone circuit displaying off-hook

Publications (2)

Publication Number Publication Date
KR870014016U KR870014016U (en) 1987-09-11
KR890002560Y1 true KR890002560Y1 (en) 1989-04-29

Family

ID=19248909

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860001955U KR890002560Y1 (en) 1986-02-19 1986-02-19 Telephone circuit displaying off-hook

Country Status (1)

Country Link
KR (1) KR890002560Y1 (en)

Also Published As

Publication number Publication date
KR870014016U (en) 1987-09-11

Similar Documents

Publication Publication Date Title
GB1410367A (en) Communication call holding arrangements
US3870831A (en) Telephone hold circuit
US4379210A (en) Ringing detector for use by the deaf
KR890002560Y1 (en) Telephone circuit displaying off-hook
US4647723A (en) Circuit for detection of off-hook condition of extension telephones
US4546214A (en) Line use indicator for telephone sets sharing a single line
CN211830208U (en) DC power supply reverse connection prevention protector with sound and light prompt
KR850000604B1 (en) A telephone
JPS62195963A (en) Talking state detector
CN210038129U (en) Novel wire core alignment device
KR860001748B1 (en) Busy indicator for a telephone
CN218679442U (en) Series connection LED open circuit protection circuit
CN2241953Y (en) Protector for telephone
CA1201542A (en) Line use indicator for telephone sets sharing a single line
KR890003764B1 (en) Telephone holding display circuit
KR200192159Y1 (en) Distributive adapter for telephone line
KR890008385Y1 (en) Circuit for sensing on-use of branched telephone
CN1054250C (en) Energy-saving device for mobile telephone
CN203181043U (en) Simple multifunctional party line telephone switching device
KR920005401Y1 (en) A telephone circuit for displaying on-use state
KR0177682B1 (en) Circuit for detecting tel-line status
KR890005719Y1 (en) Telephone state sensing circuit
KR900007056B1 (en) Method displaying functions in telephone
KR890004822Y1 (en) Detector for indicating busy condition of branched telephones
KR850001043Y1 (en) Dial board of telephone

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee