SU705483A1 - Data recording device - Google Patents
Data recording deviceInfo
- Publication number
- SU705483A1 SU705483A1 SU782639639A SU2639639A SU705483A1 SU 705483 A1 SU705483 A1 SU 705483A1 SU 782639639 A SU782639639 A SU 782639639A SU 2639639 A SU2639639 A SU 2639639A SU 705483 A1 SU705483 A1 SU 705483A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- frequency divider
- clock generator
- recording
- digital
- analog converter
- Prior art date
Links
Landscapes
- Optical Recording Or Reproduction (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Description
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705483 ключ б, цифроаналоговый преобразовател 7, делитель частоты 8, компаратор 9, блок формировани развертки 10 и блок усилени 11.. Устройство работает следующим образом . Из источника напр жени 3 посто н ное напр жение поступает в коммутатор электродов пишущего элемента 4, куда также поступает из блока 10, запускаемого генератором тактовых импуль . сов 5 через делитель юстоты 8, сигнал развертки, заставл 1рщий луч пробегать по,всем электродам пишущего элемента. Тактовые импульсы из генератора тактовых импульсов 5 через ключ 6, открываемый сигналомс делител частоты 8, действуют на коммутатор 4. Тактовые iJMnyjiьсы одновременно поступают и в цифроаналоговый преобразователь 7, на .выходе которого формируетс линейно нарастающий ступенчатый аналоговый сиг нал, поступающий в компаратор 9. Иссле Дуемый сигнал поступает в блок 11, где формируетс сигнал ркости, амплитуда которого пр мо пропорциональна ркости исследуемого сигнала. В совпадени амйлитуд сигнала ркости и аналогового сигнала компаратор вырабатывает импульс, который закрывает ключ до момента поступлени следующего импульса с делител частоты 8. Этот сигнал открывает .ключ 6 и одновременно производит сброс в цифроаналоговом преобразователе 7. Промежутки времени, в течение кото рых ключ 6 открыт, завис т от ркости исследуемого сигнала, вследствие чего длительность импульсов подсвета, поступающих в коммутатор 4 электродов пишущего элемента и определ ющих количество neperieceHHoro зар да на носитель.705483 key b, digital-to-analog converter 7, frequency divider 8, comparator 9, sweeper shaping unit 10 and gain unit 11 .. The device works as follows. From the voltage source 3, the constant voltage goes to the electrode switchboard of the writing element 4, where it also comes from block 10 triggered by the clock pulse generator. owl 5 through the divider of justice 8, the sweep signal, caused the 1rst ray to run across all the electrodes of the writing element. Clock pulses from clock generator 5 through key 6, which is opened by frequency divider 8, act on switch 4. Clock iJMnyji simultaneously enters digital-to-analog converter 7, on the output of which a linearly increasing step-like analog signal is input to the comparator 9. Research The blown signal enters block 11, where a luminance signal is formed, the amplitude of which is directly proportional to the luminance of the signal under study. In coincidence of the amplitude of the luminance signal and the analog signal, the comparator generates a pulse that closes the key until the next pulse arrives from frequency divider 8. This signal opens switch 6 and simultaneously resets in the digital-to-analog converter 7. The time spans during which key 6 is open , depends on the brightness of the signal under study, as a result of which the duration of the light pulses arriving at the switch 4 electrodes of the recording element and determining the amount of neperiece Horo charge on the carrier.
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Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782639639A SU705483A1 (en) | 1978-07-03 | 1978-07-03 | Data recording device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782639639A SU705483A1 (en) | 1978-07-03 | 1978-07-03 | Data recording device |
Publications (1)
Publication Number | Publication Date |
---|---|
SU705483A1 true SU705483A1 (en) | 1979-12-25 |
Family
ID=20774865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782639639A SU705483A1 (en) | 1978-07-03 | 1978-07-03 | Data recording device |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU705483A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4413269A (en) * | 1981-11-23 | 1983-11-01 | International Business Machines Corporation | Method of and apparatus for controlling gray scale while printing on charge sensitive recording mediums |
US4415913A (en) * | 1981-06-08 | 1983-11-15 | Honeywell Inc. | Gray tone recorder |
-
1978
- 1978-07-03 SU SU782639639A patent/SU705483A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4415913A (en) * | 1981-06-08 | 1983-11-15 | Honeywell Inc. | Gray tone recorder |
US4413269A (en) * | 1981-11-23 | 1983-11-01 | International Business Machines Corporation | Method of and apparatus for controlling gray scale while printing on charge sensitive recording mediums |
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