SU794A1 - Aperture for phones - Google Patents
Aperture for phonesInfo
- Publication number
- SU794A1 SU794A1 SU75061A SU75061A SU794A1 SU 794 A1 SU794 A1 SU 794A1 SU 75061 A SU75061 A SU 75061A SU 75061 A SU75061 A SU 75061A SU 794 A1 SU794 A1 SU 794A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- phones
- aperture
- diaphragm
- circle
- hole
- Prior art date
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Description
На чертеже фиг. 1 изображает боковой вид, а фиг. 2 - передний вид предлагаемой диафрагмы.In FIG. 1 is a side view, and FIG. 2 - front view of the proposed diaphragm.
Устройство состоит в следующем: из слюды вырезан кружок в с отверстием по середине. Через это отверстие пропущен медный штифт б, вход щий в медную головку д, припа нную к жест ному кружку а меньшего диаметра, чем диафрагма в. Шайба г и головка д припа ны к диафрагме в воском или клеем, дабы не проходил воздух. Диафрагма в вставл етс в приемник телефона на резиновую или бумажную прокладку и закрепл етс с таким расчетом, чтобы между магнитами и кружком оставалось пространство дл свободной вибрации диафрагмы.The device consists of the following: a circle is cut out of mica with a hole in the middle. A copper pin b is inserted through this hole, which enters the copper head d, which is soldered to a tin cup and a smaller diameter than the diaphragm c. The washer and head are soldered to the diaphragm in wax or glue so that air does not pass. The diaphragm is inserted into the receiver of the telephone on a rubber or paper gasket and fixed in such a way that there is room for free vibration of the diaphragm between the magnets and the circle.
Применение слюды имеет целью jBeличить чувствительность телефона и силу издаваемого им звука.The use of mica aims to jBelit sensitivity of the phone and the power of the sound it makes.
ПРЕДМЕТ ПАТЕНТА.SUBJECT OF THE PATENT.
Диафрагма дл телефонов, характеризующа с тем, что диафрагма в изготовлена из кружка слюды, в середине которого прорезано отверстие, через каковое отверстие пропущен закрепленный шайбой г и головкой д штифт б, прижимающий к слюд ной диафрагме жест ной кружок а меньшего диаметра, чем сама диафрагма.A diaphragm for telephones, characterized in that the diaphragm in is made of a circle of mica, in the middle of which a hole is cut, through which hole the pin b fixed by a washer and head is passed, pressing a circle of a smaller diameter than the diaphragm .
/u.l/u.l
-В-AT
а/и a / s
-n/i-.. -n / i- ..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU75061A SU794A1 (en) | 1921-11-12 | 1921-11-12 | Aperture for phones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU75061A SU794A1 (en) | 1921-11-12 | 1921-11-12 | Aperture for phones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU794A1 true SU794A1 (en) | 1924-09-15 |
Family
ID=48327359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU75061A SU794A1 (en) | 1921-11-12 | 1921-11-12 | Aperture for phones |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU794A1 (en) |
-
1921
- 1921-11-12 SU SU75061A patent/SU794A1/en active
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