BG51569A1 - Device for supplying calling voltage to a telephone set - Google Patents

Device for supplying calling voltage to a telephone set

Info

Publication number
BG51569A1
BG51569A1 BG9482991A BG9482991A BG51569A1 BG 51569 A1 BG51569 A1 BG 51569A1 BG 9482991 A BG9482991 A BG 9482991A BG 9482991 A BG9482991 A BG 9482991A BG 51569 A1 BG51569 A1 BG 51569A1
Authority
BG
Bulgaria
Prior art keywords
telephone set
bloc
call voltage
supplying
calling voltage
Prior art date
Application number
BG9482991A
Inventor
Boris M Lazarov
Original Assignee
Boris M Lazarov
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 Boris M Lazarov filed Critical Boris M Lazarov
Priority to BG9482991A priority Critical patent/BG51569A1/en
Publication of BG51569A1 publication Critical patent/BG51569A1/en

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Landscapes

  • Devices For Supply Of Signal Current (AREA)

Abstract

The device is used in electronic telephone exchanges and in concentrators. It is simplified and upon lifting the telephone set up during passing the call voltage, it delivers a signal, which is received directly by the exchange control bloc. The device is connected to the call voltage generator (2) in the exchange and a linear transformer (9) and contains a call voltage switch bloc (3), a diode (4), a subscriber stub status recognition bloc (6), a resistor (8), a choke (8) and a capacitor (10).<IMAGE>
BG9482991A 1991-07-17 1991-07-17 Device for supplying calling voltage to a telephone set BG51569A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BG9482991A BG51569A1 (en) 1991-07-17 1991-07-17 Device for supplying calling voltage to a telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG9482991A BG51569A1 (en) 1991-07-17 1991-07-17 Device for supplying calling voltage to a telephone set

Publications (1)

Publication Number Publication Date
BG51569A1 true BG51569A1 (en) 1993-06-15

Family

ID=3923893

Family Applications (1)

Application Number Title Priority Date Filing Date
BG9482991A BG51569A1 (en) 1991-07-17 1991-07-17 Device for supplying calling voltage to a telephone set

Country Status (1)

Country Link
BG (1) BG51569A1 (en)

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