CS201333B1

CS201333B1 - Connection of the telephone apparatus with the facility broadcasting the selection by the held on microtelephone

Info

Publication number: CS201333B1
Application number: CS587578A
Authority: CS
Inventors: Lubomir Ferianc
Original assignee: Lubomir Ferianc
Priority date: 1978-09-12
Filing date: 1978-09-12
Publication date: 1980-10-31

Description

Vynález sa týká zapojenia telefónneho prístroja s možnosťou vysielania volby pri položenom mikrotelefone, ktoré sa skládá z běžného hovorového obvodu, zosilňovača hlasitého príposluchu a obvodu na uzavretie účastníckej slučky pri položenom mikrotelefone.The invention relates to a telephone set capable of transmitting a dial when a handset is placed, which comprises a conventional speech circuit, a loudspeaker amplifier and a loop for closing the handset when the handset is laid.

Sú známe zapojenia telefónnych prístrojov, umožňujúce vol’bu pri položenom mikrotelefone, ktoré využívajú na uzavretie účastníckej slučky pri položenom mikrotelefone polarizované relé. Kontakty polarizovaného relé sa preložia do pracovnej polohy stlačením tlačidla spatného dopytu a vrátia sa do kl’udovej polohy prúdovým impulzom pri zdvihnutí mikrotelefonu. Tiež sú známe zapojenia telefónneho prístroja s možnosťou vysielania volby pri položenom mikrotelefone, ktoré využívajú na užavretia účastnickéj slučky lacnejšie jednosměrné relé pridržiavané v pracovnej polohe zložitou sústavou pákových mechanizmov. Použitie relé na uzavretie účastní ckej slučky pri položenom mikrotelefone je nevýhodné z hladiska rozmerov, váhy ako i ceny. Uvedené nedostatky rieši zapojenie telefónneho prístroja s možnosťou vysielania volby pri položenom mikrotelefone podlá vynálezu.Known telephone wiring arrangements are known that use a polarized relay to close the loop when the handset is laid. The polarized relay contacts are brought into the working position by pressing the wrong demand button and returned to the idle position by the current pulse when the handset is lifted. There are also known wired telephone sets with a handset that use a cheaper unidirectional relay to close the subscriber loop held in a working position by a complex set of lever mechanisms. The use of relays to close the subscriber loop when the handset is laid down is disadvantageous in terms of size, weight and cost. The above-mentioned drawbacks are solved by the connection of a telephone set with the possibility of transmitting a dial when the handset is laid according to the invention.

Predmetom vynálezu je zapojenie telefónneho prístroja s možnosťou vysielania volby pň pototenom mtotelefóne vymačuiúce sa tým, že účastnická sluoka pri položenom mikrotelefone je uzavretá cez tyristor připojený anodou cez zosilňovač hlasitého príposluchu a impulzný kontakt číselnice ná kladný pól mostíkového usmerňovača a katodu je tyristor připojený cez kontakt vidlicového přepínače na záporný pól mostíkového usmerňovača.The object of the present invention is to connect a telephone set with the possibility of transmitting a dial to the swiveled telephone, which is closed by the fact that the subscriber socket when the handset is placed is closed via a thyristor connected via an anode. negative rectifier switches of the bridge rectifier.

Zapojenie podlá vynálezu nepotřebuje nákladné relé a s nimi súvisiacu zložitú sústavu mechanizmov. Spínanie účastníckej slučky pri položenom mikrotelefone prebieha elektronicky, z čoho vyplývá malá váha, malé rozměry a nízká cena. Výhoda, že pri volbě nie je nutné použit mikrotelefon, předurčuje telefónny přístroj s možnosťou vysielania volby pri položenom mikrotelefone na uskutoéňóvanie dialkových spojení, u prístrojov s tlačidlovou volbou ako základný terminál pri jednoduchom přenose údajov, pri volaní automatických hlások a podobné.The wiring according to the invention does not need a costly relay and the associated complex set of mechanisms. Switching the subscriber loop when the handset is placed is done electronically, which results in low weight, small dimensions and low cost. The advantage of not having to use a handset when dialing is predetermined by a handset capable of transmitting a dial when the handset is set up for making dial-up connections, for dial-up devices as a base terminal for simple data transfer, for automatic dialing calls and the like.

Na pripojenom výkrese je znázorněný příklad zapojenia podlá vynálezu v stave pri položenom mikrotelefone.The accompanying drawing shows an example of a wiring according to the invention in a handset condition.

Zapojenie telefónneho prístroja s možnostou vysielania volby pri položenom mikrotelefone sa skládá z obvodu akustickej návěsti vyzváňacieho signálu a mostíkového usmerňovača 4, sústavy kontaktov 7, 8, 9 vidlicového přepínala, tlačidla spatného dopytu 10, kontaktov 5, 6 číselnice, hovorového obvodu 26, zosilňovača 24 hlasitého príposluchu, reproduktoru 25 a spínacieho obvodu 27 na uzavretie účastníckej slučky pri položenom mikrotelefone.Connection of the telephone with the possibility of transmitting dialing when the handset is placed consists of the ring signal acoustic signal and the bridge rectifier 4, the set of contacts 7, 8, 9 of the toggle switch, bad demand button 10, contacts 5, 6 dial, call circuit 26, amplifier 24 the speakerphone 25 and the switching circuit 27 to close the subscriber loop when the handset is laid.

Na vstupných svorkách 1, 2 telefónneho prístroja je okrem obvodu akustické j návěsti vyzváňacieho signálu zapojený mostíkový usměrňovač 4, ktorý Zaručuje požadovaná polaritu napátia pre hovorové a ovládacie obvody telefónneho prístroja nezávisle od polarity napátia na vstupných svorkách 1, 2 prístroja. Na tichá prevádzku použitím mikrotelefonu slúži běžný hovorový obvod 26. Polohou kontaktov 7, 8, 9 vidlicového prepínača je možné zvoliť buď tichá prevádzku so zdvihnutým mikrotelefónom, alebo hlasitá prevádzku pri položenom mikrotelefone. Na uzavretie účastníckej slučky pri položenom mikrotelefone slúži spínací obvod 27 tvořený tyristorom 21, tranizstormi 13, 15, 20, odpormi 11, 12, 14, 18, 19, 22, kondenzátormi 17, 23 a diodou 16. O stave na účastníckom vedení počas volby pri položenom mikrotelefone je vola j úci účastník informovaný pomocou zosilňovača 24 hlasitého príposluchu s reproduktorem 25. Impulzy vol’by sú vysielané impulzným kontaktem 5 číselnice. Závěrový kontakt 6 číselnice pri vol’be skratuje zosilňovač 24 hlasitého príposluchu alebo hovorový obvod 26. Pri položenom mikrotelefone sa tlačidlo spatného dopytu 10 používá na uvedenie spínacieho obvodu 27 do vodivého stavu, zdvihnutím mikrotelefonu ostává jeho póvodná funkcia zachovaná.In addition to the ring signal acoustic circuit, a bridge rectifier 4 is connected to the input terminals 1, 2 of the telephone, which guarantees the required voltage polarity for the telephone's call and control circuits independently of the voltage polarity at the input terminals 1, 2. For the silent operation using the handset, a common speech circuit 26 is used. The position of the contacts 7, 8, 9 of the fork switch can be selected either silent operation with the handset lifted or loud operation when the handset is placed. To close the subscriber loop when the handset is in place, the switching circuit 27 is formed by a thyristor 21, transistors 13, 15, 20, resistors 11, 12, 14, 18, 19, 22, capacitors 17, 23 and a diode 16. when the handset is placed, the caller is informed by the loudspeaker 24 with the loudspeaker 25. The dialing pulses are transmitted by a pulse contact 5 of the keypad. The dial contact 6 of the dial shortens the speakerphone amplifier 24 or the speech circuit 26 when dialed. When the handset is placed, the bad demand button 10 is used to put the circuit 27 in a conductive state, picking up the handset retains its original function.

Cinnosť prístroja s možnosťou vysielania volby pri položenom mikrotelefone bude objasněná pri jednotlivých typoch prevádzky.The operation of the device with the possibility of transmitting a dial when the handset is laid down will be explained in the individual types of operation.

Prevádzka pri položenom mikrotelefone.Operation with the handset down.

• Polohou kontaktov 7, 8, 9 vidlicového prepínača pri položenom mikrotelefone je přístroj připravený na uzavretie účastníckej slučky pomocou spínacieho obvodu 27. Tranzistor 13 je vo vodivom stave, tranzistory 15, 20 a tyristor 21 sú v nevodivom stave. Stlačením tlačidla spatného dopytu 10 sa zatvorí tranzistor 13 a otvoria sa tranzistory 15, 20. Tranzistor 20 zopne tyristor 21, čím sa účastnická slučka uzavrie cez zosilňovač 24 hlasitého príposluchu, ktorého pomocou je volajúci účastník informovaný o stave na účastníckom vedení. Zopnutím tyristora 21 sa zmenší potenciál bázy tranzistora 13, ktorý tým zostane v nevodivom stave i po uvolnění tlačidla spatného dopytu 10. Tranzistory 15, 20 zostanú po uvolnění tlačidla spatného dopytu 10 vo vodivom stave. V případe, že je účastnické vedenie volné, može volajúci účastník previesť vofbu účastnického čísla. Závěrový kontakt 6 číselnice skratuje cez kontakt 7 vidlicového prepínača zosilňovač 24 hlasitého príposluchu a tým bráni presluchu impulzov volby na reproduktor 25. Pri rozpojení účastníckej slučky impulzným kontaktem 5 číselnice počas vysielania volby sa vzniknutým napáťovým impulzem nabíja cez tranzistor 15 a diodu 16 kondenzátor 17. Tým sa zároveň zmenšuje velkost’ prepáťového impulzu, ktorý vzniká na začiatku rozopnutia účastníckej slučky vplyvem velkej indukčnosti napájacieho mosta ústredne. Napátie na kondenzátore 17 zabezpečí, že po opátovnom zopnutí impulzného kontaktu 5 číselnice bude tranzistor 20 vo vodivom stave, teda bude zopnutý i tyristor 21.• By positioning the contacts 7, 8, 9 of the forks when the handset is placed, the device is ready to close the loop using the switching circuit 27. The transistor 13 is in a conductive state, the transistors 15, 20 and the thyristor 21 are in a non-conductive state. Pressing the down call button 10 closes transistor 13 and opens transistors 15, 20. Transistor 20 closes the thyristor 21, closing the subscriber loop through a loudspeaker 24 to inform the calling subscriber of the status on the subscriber line. Switching on the thyristor 21 reduces the base potential of the transistor 13, which will thus remain in a non-conductive state even after the bad demand button 10 is released. The transistors 15, 20 remain in a conductive state after the bad demand button 10 is released. If the local loop is free, the calling subscriber can transfer the extension number. The closing contact 6 of the keypad shortens the loudspeaker amplifier 24 via the fork switch contact 7 and thus prevents the pulse from dialing to the loudspeaker 25. When the subscriber loop is disconnected by the pulse contact 5 during the transmission of the dial. At the same time, the magnitude of the overvoltage pulse that occurs at the beginning of the loop disconnection due to the high inductance of the control panel power bridge is reduced. The voltage at the capacitor 17 ensures that the transistor 20 will be in a conductive state after switching the pulse contact 5 of the dial again, i.e. the thyristor 21 will also be switched on.

Ak spojenie nebolo zostavené úspěšně, připadne volaný účastník je obsadený, volajúci účastník može zrušiť spojenie krátkým nadvihnutím a položením mikrotelefonu. Nadvihnutím mikrotelefonu sa preložia kontakty 7, 8, 9 vidlicového prepínača do pracovnej polohy. Kontakt 8 vidlicového prepínača skratuje spínací obvod 27, čo spósobí rozopnutie tyristora 21 a tým po návrate kontaktov 7, 8, 9 vidlicového prepínača do kludovej polohy i rozpoj enie účastníckej slučky a návrat celého prístroja do východzieho stavu. Sériový obvod zložený z odporu 22 a kondenzátora 23 pósobí ako prepáťová ochrana tyristora 21.If the connection has not been established successfully, the called party is busy, the calling party can cancel the connection by briefly lifting and lowering the handset. Lifting the handset moves the contacts 7, 8, 9 of the fork selector to the working position. The fork switch contact 8 shortens the switching circuit 27, which causes the thyristor 21 to open, and thus, upon return of the fork switch contacts 7, 8, 9 to the idle position, disconnecting the subscriber loop and returning the device to its initial state. A series circuit consisting of a resistor 22 and a capacitor 23 acts as a surge protection for the thyristor 21.

Ak bolo spojenie zostavené úspěšně, može volajúci účastník prejsť kedykofvek na tichú prevádzku zdvihnutím mikrotelefonu.If the connection has been established successfully, the calling party can switch to silent operation at any time by lifting the handset.

Tichá prevádzka s použitím mikrotelefonu.Silent operation using the handset.

Zdvihnutím mikrotelefonu sa preložia kontakty 7, 8, 9 vidlicového prepínača do pracovnej polohy a uzatvoria tým účastnícku slučku pre hovorový obvod 26. Kontakt 8 vidlicového prepínača skratuje zosilňovač 24 hlasitého príposluchu a spínací obvod 27, tranzistor 13 je v nevodivom stave. Pri rozpojení účastníckej slučky impulzným kontaktem 5 číselnice počas vysielania volby sa vzniknutým napáťovým impulzom nabíja cez tranzistor 15 a diodu 16 kondenzátor 17. Obvod tvořený tranzistorem 15, diodou 16, kondenzátorom 17 a odporom 14 pósobí i pri tichej prevádzke ako prepáťová ochrana impulzného kontaktu 5 číselnice. Výstavba spojenia a spojenie potom prebieha ako pri bežnom telefónnom přístroji. Tlačidlo spatného dopytu 10 teraz plní svoju póvodnú funkciu. Naviac je zaručené, že na zemniacu svorku 3 telefónneho prístroja bude tlačidlom spátného dopytu 10 pripájaný záporný pól ústredňovej batérie nezávisle od polarity na vstupných svorkách 1, 2 telefónneho prístroja.Lifting the handset folds the contacts 7, 8, 9 of the toggle switch into the working position and closes the subscriber loop for the speech circuit 26. The toggle switch contact 8 shortens the speakerphone amplifier 24 and the switching circuit 27, the transistor 13 is in a non-conductive state. When the subscriber loop is disconnected by pulse contact 5 during dialing, the voltage pulse generated is charged via transistor 15 and diode 16 by a capacitor 17. The circuit formed by transistor 15, diode 16, capacitor 17 and resistor 14 also acts as overvoltage protection for pulse contact 5 . The connection is then constructed and connected as in a conventional telephone set. The bad demand button 10 now performs its original function. In addition, it is guaranteed that the negative terminal of the central battery is connected to the ground terminal 3 of the telephone set, via the demand button 10, irrespective of the polarity at the input terminals 1, 2 of the telephone set.

Claims

2 of the dial contacts 5, 6, the speech circuit 26, the loudspeaker amplifier 24, the repeater 25, and the switching circuit 27 for closing the stitch loop at the microphone. On the input terminals 1, 2 of the telephone apparatus, in addition to the circuit of the acoustic signal signal, a bridge rectifier 4 is connected, which guarantees the required voltage to the telephone and control circuits of the telephone independently of the polarity of the input terminals 1, 2 of the apparatus. a conventional speech circuit 26. The silent operation with the raised handset can be selected by the position of contacts of the fork switch 7, 8, 9, or the loud operation of the handset attached to the handset. For closing the loop while the handset is laid, the switch circuit 27 is formed by a thyristor 21, transistors 13, 15, 20, resistors 11, 12, 14, 18, 22, capacitors 17, 23 and a diode 16. The dialer is informed by the 24-speaker amplifier with the speaker 25 when dialing the handset. The pulses of dialing are transmitted by the dial contact 5 of the dial. Loudspeaker loudspeaker 24 or short circuit 26 shorts the dial contact 6 of the dial pad. In the case of a stationary handset, the bad button 10 is used to bring the switchgear 27 into a conductive state, leaving the handset to retain its original function. The operation of the device with the option of transmitting the dial when the handset is laid will be explained in the individual types of operation. Operation when the handset is on. The position of the fork-type contacts 7, 8, 9 at the placed handset is a device ready for closing the looping loop by means of a switching circuit 27. The transistor 13 is in the conductive state, the transistors 15, 20 and the thermistor 21 are in a non-conductive state. Pressing the low query button 10 closes the transistor 13 and opens the transistors 15, 20. The transistor 20 closes the thyristor 21, thereby closing the loop loop through the loudspeaker amplifier 24, which is used to call the caller in the status line. the thyristor 21 decreases the potential of the transistor 13, which in this way remains in the oblique state even after the backstop button 10 is released. The transistors 15, 20 remain in the conductivity device after the bad query button 10 is released. In the event that the participant's lead is free, the caller may transfer the caller number to the caller. The numeral closing contact 6 short-circuits through the fork-contact 7 to the loudspeaker amplifier 24 and thus prevents the pulses from dialing to the producer 25. When the stitch-loop is disconnected by the dial contact 5 during dialing, the resulting voltage pulse is charged through transistor 15 and diode 16capacitor 17. This also reduces the amount of overvoltage pulse that occurs at the beginning of the opening of the entanglement loop due to the high inductance of the supply bridge. The voltage on the capacitor 17 ensures that the transistor 20 will be in the free state after the keypad pulse contact 5 is switched on again, so that the thyristor 21 will also be closed. If the connection has not been set up successfully, the called caller is busy, the caller may cancel the call by short by picking up and placing the handset. When the handset is released, contacts 7, 8, 9 of the fork switch are translated into the working position. The fork switch contact 8 shortens the switching circuit 27 causing the opening of the pyristor 21 and thereby returning the contacts 7, 8,9 of the toggle switch to a rest position, not a looping loop, and returning the entire apparatus to the initial state. A serial circuit consisting of a resistor 22 and a capacitor 23 acts as a surge arrester of the thyristor 21. If the connection has been assembled successfully, the mechevolator will go on one of the silent operations by lifting the handset. Quiet handset operation. By lifting the handset, the fork switch contacts 7, 8, 9 are translated into the operating position to close the receiver loop to the speech circuit 26. The switch switch contact 8 shortens the loudspeaker amplifier 24 and the switching circuit 27, the transistor 13 is in a non-conductive state. A capacitor 17 is charged through the transistor 15 and the diode 16 by the dial pulse contact 5 of the dial when the dialer 5 is disconnected by the dial pulse contact. A circuit formed by the transistor 15, the diode 16, the capacitor 17 and the resistor 14 also causes the transducer protection of pulse contact 5 or selector. The construction of the connection and the connection then takes place as with a conventional telephone. The bad query button 10 now performs its original function. In addition, it is guaranteed that the earth terminal 3 of the telephone apparatus is connected to the reverse terminal 10 by a negative pole of the middle battery independently of the polarity on the input terminals 1, 2 of the telephone set. SUBJECT OF THE INVENTION

1. Connecting a telephone set with the option of transmitting a dialing option on a laid-down micro-telephone, characterized in that the tamper-box at the placed handset is closed via a thyristor (21) connected by an anode via a loudspeaker amplifier (24) and im-pulsed contact (5) a keypad for the positive pole of the bridge rectifier (4), while the thyristor (21) is connected via the fork switch contact (8) to the negative pole bridge rectifier (4).

2. Connection according to claim 1, characterized in that a collector of transistor (20) is connected to the anode of the thyristor (21), wherein the emitter transistor (20) is connected to the control electrode of the thyristor (21) and the first terminals of resistors are connected to the base of the transistor (20) (18,19), wherein the second terminal of the first resistor (18) is connected to the cathode of the thyristor (21), the second outlet of the second resistor (19) is connected to the first outlet of the capacitor (17), the second terminal being connected to the cathodetyristor (21) wherein a cathode of the diode (16) is connected to the second resistor (19) and the first condenser outlet (17), the anode of the diode (16) is connected to the emitter of the transistor (15), the collector of which is connected to the positive pole of the bridgehead a rectifier (4), wherein a first resistor terminal (14) and a transistor collector (13) are connected to the base of the transistor (15), the second terminal of the resistor (14) being connected to the transistor collector (15), the transistor emitter ( 13) is coupled to a cathode tiger the first (21), and the first terminal of the switch (9) are connected to the base of the transistor (13), the second terminal of the resistor (11) being connected to the anode of the thyristor (21), the other of the resistor (12) ) is coupled to the emitter emitter (13) and the second terminal of the fork switch contact (9) is connected via a bad demand push button (10) to the negative pole of the bridge rectifier (4). 1 drawing