SU29508A1 - Microphone switch - Google Patents
Microphone switchInfo
- Publication number
- SU29508A1 SU29508A1 SU98705A SU98705A SU29508A1 SU 29508 A1 SU29508 A1 SU 29508A1 SU 98705 A SU98705 A SU 98705A SU 98705 A SU98705 A SU 98705A SU 29508 A1 SU29508 A1 SU 29508A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- microphone switch
- potentiometer
- resistance
- microphone
- rheostat
- Prior art date
Links
- 230000000875 corresponding Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Description
Предлагаел5ое изобретение состоит а конструктивном выполнении устройства, слуи ащего дл включени микрофона при посредстве реостата и потенциометра . ,The proposed invention consists of a constructive implementation of the device, which is supposed to activate the microphone by means of a rheostat and a potentiometer. ,
На чертеже фиг. 1 изображает схему устройства; фиг. 2 -г кривую изменени сопротивлени его.In FIG. 1 shows a device diagram; FIG. 2 is a curve of its resistance variation.
Клждьгй из микрофонов /W, Л/ (фиг. 1) включен в цепь первичной обмотки соотпетствующего трансформатора Т, вторична обмотка которого присоединена одним концом к двилску, а другим концом к одному из зажимов потенционотра Л. Противоположный зажим каждого из потенциометров 11 присоединен The microphone of the / W, L / microphones (Fig. 1) is connected to the primary winding circuit of the corresponding transformer T, the secondary winding of which is connected at one end to the pair and the other end to one of the potentiometer terminals L. The opposite clamp of each of the potentiometers 11 is connected
: ; движку соответствующего реостата :; engine of the corresponding rheostat
Р. Р,R. P,
Движки реостата и потенциометра механически соедицены друг с другом, напри; ер , насажены на общую ось, так чтобы при выведении потенциометра укеньщение внутреннего сопротивлени The rheostat and potentiometer engines are mechanically connected to each other, for example; ep, mounted on a common axis, so that when removing the potentiometer, the reduction of the internal resistance
224 .-:224 .-:
- /, . д ; устройства компенсировалось введением сопротивлени реостата.- /, d; the device was compensated by the introduction of resistance to the rheostat.
Если через / обозначить внутреннее сопротивление трансформатора Т, через R-сопрот1:плс11ие потенциометра /7, через г-сопротивление реостата /- и, наконец , через Л-относительное рассто ние движка потенциометра от точки Д то дл входного сопротивлени устройства (между, точками А и С) получим выражение:If we denote the internal resistance of the transformer T by /, through R-soproto1: potentiometer pls / 7, through r-resistor r-resistance / - and finally through L-relative distance of the potentiometer slider from point D, then for device resistance (between, points A and C) we get the expression:
(1-х)-{--- R Л-гх (1st) - {--- R Л-гх
L . /О . L. /ABOUT .
,. и г 0,5 RI, and g 0,5 RI
7 1 + 1,5-У -О.ОА:- „7 1 + 1,5-У -О.ОА: - „
имеем: Zp - --г-г-:- iwe have: Zp - - y-y -: - i
i-j-л .i-j-l
Зависимость, определ ема последним уравнением, представлена на фиг. 2 приThe dependence determined by the last equation is shown in FIG. 2 at
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU29508A1 true SU29508A1 (en) | 1933-03-31 |
Family
ID=
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