YU46417B - DECADE DIAL TELEPHONE CIRCUIT - Google Patents

DECADE DIAL TELEPHONE CIRCUIT

Info

Publication number
YU46417B
YU46417B YU23187A YU23187A YU46417B YU 46417 B YU46417 B YU 46417B YU 23187 A YU23187 A YU 23187A YU 23187 A YU23187 A YU 23187A YU 46417 B YU46417 B YU 46417B
Authority
YU
Yugoslavia
Prior art keywords
circuit
input
output
line interface
amplifier
Prior art date
Application number
YU23187A
Other languages
Serbo-Croatian (sh)
Other versions
YU23187A (en
Inventor
J. Trontelj
V. Kunc
D. Pretnar
L. Trontelj
Original Assignee
Iskra-Sozd
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 Iskra-Sozd filed Critical Iskra-Sozd
Priority to YU23187A priority Critical patent/YU46417B/en
Publication of YU23187A publication Critical patent/YU23187A/en
Publication of YU46417B publication Critical patent/YU46417B/en

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  • Telephone Function (AREA)

Abstract

VEZJE TELEFONSKEGA APARATA ZA DEKADNO IZBIRANJE, kod koga je mikrofonski vložek (M) preko oddajnega ojačevalnika (2) priključen na vhod (d) linijskega vmesnika (1) čigar izhod (g) je preko sprejemnega ojačevalnika (2') priključen na slušalko (S); da je linija (A) preko vhoda (a) priključena na linijski vmesnik (1) in preko vezja (6) za vhodno zaščito na maso; da je izhod (e) linijskega vmesnika (1) preko izhoda (a) vezja (3) tokovne reference priključen na oddajni ojačevalnik (2) in preko izhoda (b) na sprejemni ojačevalnik (2'); da je izhod (f) vezan na tipalo (4) toka čigar izhod je preko vezja (5) za avtomatsko regulacijo izgub na liniji vezan na vhod (b) linijskega vmesnika (1) in ojačevalnika (2 in 2'); da je vezje (8) vezano na ojačevalnike (2 in 2') ter preko vhoda (c) na linijski vmesnik (1) ter dvosmerno povezano s spominskim vezjem (9) za zadnjo izbrano številko in dekoderjem (7) tastature na katerega je priključena tastatura (T) in da je generator (10) poziva priključen med vezje (8) in vhod oddajnega ojačeva nika (2). Prijava sadrži još 4 patentna zahteva.DECADE TELEPHONE CIRCUIT CIRCUIT, in which the microphone insert (M) is connected via the transmitting amplifier (2) to the input (d) of the line interface (1) whose output (g) is connected to the handset via the receiving amplifier (2 ') ); that the line (A) is connected to the line interface (1) via the input (a) and to the ground input circuit (6); that the output (e) of the line interface (1) is connected to the transmitting amplifier (2) via the output (a) of the current reference circuit (3) and to the receiving amplifier (2 ') via the output (b); that the output (f) is connected to a current sensor (4) whose output is connected to the input (b) of the line interface (1) and the amplifier (2 and 2 ') via a circuit (5) for automatic regulation of losses on the line; that the circuit (8) is connected to the amplifiers (2 and 2 ') and via the input (c) to the line interface (1) and bidirectionally connected to the memory circuit (9) for the last dialed number and the decoder (7) of the keyboard to which it is connected keyboard (T) and that the call generator (10) is connected between the circuit (8) and the input of the transmitting amplifier (2). The application contains 4 more patent claims.

YU23187A 1987-02-17 1987-02-17 DECADE DIAL TELEPHONE CIRCUIT YU46417B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
YU23187A YU46417B (en) 1987-02-17 1987-02-17 DECADE DIAL TELEPHONE CIRCUIT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
YU23187A YU46417B (en) 1987-02-17 1987-02-17 DECADE DIAL TELEPHONE CIRCUIT

Publications (2)

Publication Number Publication Date
YU23187A YU23187A (en) 1989-08-31
YU46417B true YU46417B (en) 1993-10-20

Family

ID=25548968

Family Applications (1)

Application Number Title Priority Date Filing Date
YU23187A YU46417B (en) 1987-02-17 1987-02-17 DECADE DIAL TELEPHONE CIRCUIT

Country Status (1)

Country Link
YU (1) YU46417B (en)

Also Published As

Publication number Publication date
YU23187A (en) 1989-08-31

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