SU82946A1 - Instrument for determining fluctuations in the speed of movement of a phonogram during magnetic recording - Google Patents

Instrument for determining fluctuations in the speed of movement of a phonogram during magnetic recording

Info

Publication number
SU82946A1
SU82946A1 SU391735A SU391735A SU82946A1 SU 82946 A1 SU82946 A1 SU 82946A1 SU 391735 A SU391735 A SU 391735A SU 391735 A SU391735 A SU 391735A SU 82946 A1 SU82946 A1 SU 82946A1
Authority
SU
USSR - Soviet Union
Prior art keywords
speed
movement
phonogram
instrument
magnetic recording
Prior art date
Application number
SU391735A
Other languages
Russian (ru)
Inventor
А.И. Парфентьев
Original Assignee
А.И. Парфентьев
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 А.И. Парфентьев filed Critical А.И. Парфентьев
Priority to SU391735A priority Critical patent/SU82946A1/en
Application granted granted Critical
Publication of SU82946A1 publication Critical patent/SU82946A1/en

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  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Description

1.1з1 естеп прибор /дл  определени  колебатшй скорости движени  ({юнограммы нри магнитной зпукозанисн, li которо.м на звуконоситель заннсьпшотс  частота, нолучаема  от генератора зиуконой частот1)1, соеднленного с одной парой отклон ющих нластнн электронно-лучепо трубкн . Снимаемое магнитно головкой нанр жение звукоиой частоты подводитс  к друго наре отклон ющих нластнн олектронно-лучеио) .1.1.3 a device is known / for determining the oscillating speed of movement ({ynograma nr magnetic magnetic field, li which, on the sound carrier, penshot frequency, obtained from the generator of green frequency 1) 1, connected to one pair of deflecting electrolo-ray tubes. The magnetically removed sound frequency applied to the head is applied to the other side of the deflecting electron-beam).

Оннсынаемый нрибор отличаетс  от известного тем, что д.ч  колнчест1 ениого онределени г ве.чичины колебаний скорости (1).мы иеред экраном олектронно-лучевой устаттов.юн фотоэлемент г диафрагмой , имеющей лырез, соединенны с усилителем фототокон или с измерительтгым ирибором.An on-line instrument differs from the well-known in that the frequency of speed fluctuations is (1). We have a photo-beam device with a diaphragm that has a phototocone or a measuring irior.

На фиг. 1 н 2 нзобра леиы схемы, устройства прибора. FIG. 1 n 2 nzobra lei circuit, device device.

На фиг. 1 обозначено: 1-генератор знуко1 ых частот, 2-усилитель заииси, 3-записывающа  головка, 4-ферроилеика, 5-1 осиро ии од ща  головка, 6-усилитель воснроизведеин , 7-- катодиыГ oc JlллolpaljJ. Частота генератора 1 устаиа1 ливаетс  так, что иа экране осциллографа фигура Лнссанл-у имеет пид ир мой линии. -При колебани х скорости ;(ви/кеии  звукот осител  нр ма  принимает 1И1д кривых второго иор дка. характеристики колебани  скорости может служить величина отклонени  ир мой. Дл  количественного определеин  величины колебаинй скорости фонограммы неред экраном осциллографа 7 устанав.лпшотс  фотоэлемент 8 с диафрагмой 9, имеющей ырез. Фотоэлемент через усилитель 10 соединен с другим осциллографом 11 или с измер1ггелы1ы.1 ирибором.FIG. 1 denotes: 1 frequency generator, 2 zaiish power amplifier, 3 recording head, 4 ferroileks, 5-1 axis, and one head, 6 vosmanevedine amplifier, 7 - cathode detector and JolllpaljJ. The frequency of oscillator 1 is set so that on the oscilloscope the figure of Lansanl-y has a draw line. - When the speed fluctuates; The cell has an amplifier 10 connected to another oscilloscope 11 or to a measuring instrument.

Предмет изобретени Subject invention

Прибор дл  оиределенн  колебаний скорости движени  фонограммы нри магнитной звукозаииси, в котором на звуконоситель записываетA device for determining fluctuations in the speed of movement of a phonogram at a magnetic sound in which it records the sound carrier

SU391735A 1949-02-14 1949-02-14 Instrument for determining fluctuations in the speed of movement of a phonogram during magnetic recording SU82946A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU391735A SU82946A1 (en) 1949-02-14 1949-02-14 Instrument for determining fluctuations in the speed of movement of a phonogram during magnetic recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU391735A SU82946A1 (en) 1949-02-14 1949-02-14 Instrument for determining fluctuations in the speed of movement of a phonogram during magnetic recording

Publications (1)

Publication Number Publication Date
SU82946A1 true SU82946A1 (en) 1949-11-30

Family

ID=48255986

Family Applications (1)

Application Number Title Priority Date Filing Date
SU391735A SU82946A1 (en) 1949-02-14 1949-02-14 Instrument for determining fluctuations in the speed of movement of a phonogram during magnetic recording

Country Status (1)

Country Link
SU (1) SU82946A1 (en)

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