JPS56129480A - Binary discrimination system and its device - Google Patents
Binary discrimination system and its deviceInfo
- Publication number
- JPS56129480A JPS56129480A JP3382280A JP3382280A JPS56129480A JP S56129480 A JPS56129480 A JP S56129480A JP 3382280 A JP3382280 A JP 3382280A JP 3382280 A JP3382280 A JP 3382280A JP S56129480 A JPS56129480 A JP S56129480A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- analog
- capacitor
- diodes
- resistor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Input (AREA)
- Facsimile Image Signal Circuits (AREA)
- Manipulation Of Pulses (AREA)
Abstract
PURPOSE:To discriminate an analog signal into binary value and to increase the resolution without providing a density correction circuit, by forming a discrimination signal including DC components in an analog signal is rejected and comparing this signal with the threshold value. CONSTITUTION:The analog binary value discriminator consists of a capacitor 2 connected to the input terminal 1 and analog comparator 3 connected to the capacitor 2, and a resistor 4, diode 5 and diodes 6, 7 in anti-parallel connection are connected to the noninverting input terminal (+) of the comparator 3, and the power supply connecting terminal 8 is connected to another end of the diode 5 via a potentiometer 9. Power supply terminals 14, 16 are connected to the inverting terminal (-) via diodes 12, 13 and potentiometers 15, 17, and the diodes 6, 7 and capacitor 10 are connected via the resistor 11. Further, after rejecting the DC component from the analog signal, the signal obtained from DC regeneration is taken as the discrimination signal, and this discrimination signal is compared with the threshold value of a given level, allowing to increase the resolution without providing a density correction circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3382280A JPS56129480A (en) | 1980-03-17 | 1980-03-17 | Binary discrimination system and its device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3382280A JPS56129480A (en) | 1980-03-17 | 1980-03-17 | Binary discrimination system and its device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56129480A true JPS56129480A (en) | 1981-10-09 |
JPS6226631B2 JPS6226631B2 (en) | 1987-06-10 |
Family
ID=12397168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3382280A Granted JPS56129480A (en) | 1980-03-17 | 1980-03-17 | Binary discrimination system and its device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56129480A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5421219A (en) * | 1977-07-19 | 1979-02-17 | Mitsubishi Electric Corp | Signal binary-coded unit |
JPS5498110A (en) * | 1978-01-09 | 1979-08-02 | Hell Rudolf Dr Ing Gmbh | Method of converting video signal to twoolevel signal |
-
1980
- 1980-03-17 JP JP3382280A patent/JPS56129480A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5421219A (en) * | 1977-07-19 | 1979-02-17 | Mitsubishi Electric Corp | Signal binary-coded unit |
JPS5498110A (en) * | 1978-01-09 | 1979-08-02 | Hell Rudolf Dr Ing Gmbh | Method of converting video signal to twoolevel signal |
Also Published As
Publication number | Publication date |
---|---|
JPS6226631B2 (en) | 1987-06-10 |
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