JPS5744209A - Signal separating circuit - Google Patents
Signal separating circuitInfo
- Publication number
- JPS5744209A JPS5744209A JP55120915A JP12091580A JPS5744209A JP S5744209 A JPS5744209 A JP S5744209A JP 55120915 A JP55120915 A JP 55120915A JP 12091580 A JP12091580 A JP 12091580A JP S5744209 A JPS5744209 A JP S5744209A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- counter
- data
- clock signal
- counting
- 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.)
- Pending
Links
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Dc Digital Transmission (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
PURPOSE:To eliminate an error caused by the uneven rotations of a magnetic disk, by producing a window signal through the specified period among all periods of a counter from the time of arrival of a data signal and a clock signal when separating these signals which are recorded on the magnetic disk, etc. CONSTITUTION:A preset counter 5 of 16 notation uses, e.g. SN74191 of the Texas Company, and preset inputs A-D plus count outputs QA-QD are provided with Q and QA, B and QB, D and QD plus C and CQ as weights 1, 2, 4 and 8 respectively. The counter 5 performs the counting with a clock signal CK to be supplied, and the states of the inputs A-D are set to the counter 5 with input of a load signal LO. Based on the set value, the counting is carried out. The data signal, the clock signal and the output QD, i.e. the window signal are supplied to a data separator 6 to separate the data signal. The output QD is set so as to be produced in a 1/4 or 3/4 counter period at the time when the data and clock signals arrive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55120915A JPS5744209A (en) | 1980-08-29 | 1980-08-29 | Signal separating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55120915A JPS5744209A (en) | 1980-08-29 | 1980-08-29 | Signal separating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5744209A true JPS5744209A (en) | 1982-03-12 |
Family
ID=14798136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55120915A Pending JPS5744209A (en) | 1980-08-29 | 1980-08-29 | Signal separating circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5744209A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02501526A (en) * | 1988-01-25 | 1990-05-24 | ユニシス コーボレーシヨン | Data bit detector for fiber optic systems |
| WO2004093377A1 (en) * | 2003-04-17 | 2004-10-28 | Ricoh Company, Ltd. | Signal transmitting apparatus, power supplying system, and serial communication apparatus |
| JP2008141790A (en) * | 2008-02-01 | 2008-06-19 | Ricoh Co Ltd | Serial communication device |
-
1980
- 1980-08-29 JP JP55120915A patent/JPS5744209A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02501526A (en) * | 1988-01-25 | 1990-05-24 | ユニシス コーボレーシヨン | Data bit detector for fiber optic systems |
| WO2004093377A1 (en) * | 2003-04-17 | 2004-10-28 | Ricoh Company, Ltd. | Signal transmitting apparatus, power supplying system, and serial communication apparatus |
| US7859991B2 (en) | 2003-04-17 | 2010-12-28 | Ricoh Company, Ltd. | Signal transmitting apparatus, power supplying system, and serial communication apparatus |
| JP2008141790A (en) * | 2008-02-01 | 2008-06-19 | Ricoh Co Ltd | Serial communication device |
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