SU147600A1 - Device for sequential reading and conversion of image mark - Google Patents
Device for sequential reading and conversion of image markInfo
- Publication number
- SU147600A1 SU147600A1 SU732865A SU732865A SU147600A1 SU 147600 A1 SU147600 A1 SU 147600A1 SU 732865 A SU732865 A SU 732865A SU 732865 A SU732865 A SU 732865A SU 147600 A1 SU147600 A1 SU 147600A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- conversion
- sequential reading
- image mark
- obturator
- sign
- Prior art date
Links
Description
Известны устройства дл считывани знаков. В подобных устройствах примен ют развертку двумерных объектов и сравнивают полученный временной сигнал с набором эталонных сигналов, предварительнс записанных на магнитном барабане.Marker readers are known. In such devices, two-dimensional objects are scanned and the obtained time signal is compared with a set of reference signals pre-recorded on a magnetic drum.
Описываемое устройство отличаетс от известных тем, что в нем применен вращающийс непрозрачный обтюратор, в 1котором вырезанг щель сложной формы. Эта щель обеспечивает максимальное различи.: получаемых от разных знаков электрических сигналов.The described device differs from the known ones in that it uses a rotating opaque obturator, in one of which a slit of complex shape is cut. This slot provides the maximum difference: electrical signals received from different signs.
Скелетна схема прибора изображена на фиг. 1; на фиг. 2 приве дены форма прозрачной щели обтюратора и формы электрических сигналов , получаемых от разных знаков.The skeletal diagram of the device is shown in FIG. one; in fig. Figure 2 shows the shape of the transparent slit of the obturator and the shape of the electrical signals received from different signs.
Знак текста 1 (фиг. 1) через оптическую систему 2 проектируетс на окно фютосопротивлени 3. Проектируемое изображение перекрывает непрерывно вращающийс непрозрачный обтюратор 4, снабженный щелью 5 сложной формы. При вращении обтюратора прозрачна прорезь 5 пересекает проекцию считываемого знака на окно фотосопротивлени под разными углами и высотами. Шель 5 выбрана так, чтобы обеспечить максимальную разницу в форме электрических сигналов, получаемых на фотосопротивлении.The sign of the text 1 (Fig. 1) through the optical system 2 is projected onto the window of the futhoresistance 3. The projected image overlaps the continuously rotating opaque obturator 4 equipped with a slit 5 of complex shape. When the obturator rotates, the transparent slot 5 intersects the projection of the readable sign onto the photoresistance window at different angles and heights. Shell 5 is chosen so as to ensure the maximum difference in the form of electrical signals received at the photoresistance.
Па фиг. 2 обтюратор 4 с щелью 5 показан в развернутом виде. На диаграммах 6, 7 и 5 приведены формы электрических сигналов, получаемых при считывании буквы А, цифры / и буквы Б. Полученные сиг iaлы сравнивают с набором эталонных сигналов.Pa figs. 2, the obturator 4 with the slit 5 is shown in expanded form. Diagrams 6, 7 and 5 show the shapes of the electrical signals obtained by reading the letter A, the digits / and the letter B. The resulting signals are compared with a set of reference signals.
Предмет изобретени Subject invention
Устройство дл последовательного считывани и преобразовани изображени знака в промежуточный сигнал по элементам формы знака , отличающеес тем, что, с целью автоматизации процесса опознавани , применен вращающийс непрозрачный обтюратор с прозрачной щелью специальной формы, образованной из элементов формы знака.A device for sequential reading and converting the image of a sign into an intermediate signal by the elements of a form of a sign, characterized in that, in order to automate the process of recognition, a rotating opaque obturator with a transparent slit of a special shape formed from the elements of the sign shape is used.
Риг 1Rig 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU732865A SU147600A1 (en) | 1961-06-01 | 1961-06-01 | Device for sequential reading and conversion of image mark |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU732865A SU147600A1 (en) | 1961-06-01 | 1961-06-01 | Device for sequential reading and conversion of image mark |
Publications (1)
Publication Number | Publication Date |
---|---|
SU147600A1 true SU147600A1 (en) | 1961-11-30 |
Family
ID=48302941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU732865A SU147600A1 (en) | 1961-06-01 | 1961-06-01 | Device for sequential reading and conversion of image mark |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU147600A1 (en) |
-
1961
- 1961-06-01 SU SU732865A patent/SU147600A1/en active
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