CH620068A5 - - Google Patents
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- Publication number
- CH620068A5 CH620068A5 CH92777A CH92777A CH620068A5 CH 620068 A5 CH620068 A5 CH 620068A5 CH 92777 A CH92777 A CH 92777A CH 92777 A CH92777 A CH 92777A CH 620068 A5 CH620068 A5 CH 620068A5
- Authority
- CH
- Switzerland
- Prior art keywords
- signal
- data
- phase
- circuit
- input
- Prior art date
Links
- 238000011084 recovery Methods 0.000 description 53
- 230000007704 transition Effects 0.000 description 27
- 238000012545 processing Methods 0.000 description 16
- 230000010363 phase shift Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000004899 c-terminal region Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/0807—Details of the phase-locked loop concerning mainly a recovery circuit for the reference signal
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/653,410 US4017803A (en) | 1976-01-29 | 1976-01-29 | Data recovery system resistant to frequency deviations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH620068A5 true CH620068A5 (ja) | 1980-10-31 |
Family
ID=24620771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH92777A CH620068A5 (ja) | 1976-01-29 | 1977-01-26 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4017803A (ja) |
| JP (1) | JPS5294112A (ja) |
| CA (1) | CA1051528A (ja) |
| CH (1) | CH620068A5 (ja) |
| DE (1) | DE2703395C3 (ja) |
| ES (1) | ES455336A1 (ja) |
| FR (1) | FR2340000A1 (ja) |
| GB (1) | GB1565245A (ja) |
| IT (1) | IT1075058B (ja) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2748075C3 (de) * | 1977-10-26 | 1980-08-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Phasenregelkreis |
| DE2823343B1 (de) * | 1978-05-29 | 1979-08-16 | Siemens Ag | Verfahren und Anordnung zur Taktsignalrueckgewinnung bei digitaler Signaluebertragung |
| US4222009A (en) * | 1978-11-02 | 1980-09-09 | Sperry Corporation | Phase lock loop preconditioning circuit |
| US4357707A (en) * | 1979-04-11 | 1982-11-02 | Pertec Computer Corporation | Digital phase lock loop for flexible disk data recovery system |
| BR8004455A (pt) * | 1979-07-19 | 1981-01-27 | Exxon Research Engineering Co | Circuito separador de dados e circuito para emprego na recuperacao de um sinal de relogio de um sinal codificado de dados dos |
| US4339823A (en) * | 1980-08-15 | 1982-07-13 | Motorola, Inc. | Phase corrected clock signal recovery circuit |
| US4400667A (en) * | 1981-01-12 | 1983-08-23 | Sangamo Weston, Inc. | Phase tolerant bit synchronizer for digital signals |
| US4371974A (en) * | 1981-02-25 | 1983-02-01 | Rockwell International Corporation | NRZ Data phase detector |
| US4456890A (en) * | 1982-04-05 | 1984-06-26 | Computer Peripherals Inc. | Data tracking clock recovery system using digitally controlled oscillator |
| JPS58182323A (ja) * | 1982-04-20 | 1983-10-25 | Nec Corp | 位相同期回路 |
| BE895439R (nl) * | 1982-12-22 | 1983-06-22 | Int Standard Electric Corp | Impulscorrectieketen en schakelingen die er gebruik van maken |
| US4556866A (en) * | 1983-03-16 | 1985-12-03 | Honeywell Inc. | Power line carrier FSK data system |
| US4547738A (en) * | 1983-06-10 | 1985-10-15 | American Standard Inc. | Phase shift demodulator |
| NL8401310A (nl) * | 1984-04-24 | 1985-11-18 | Philips Nv | Inrichting voor het opwekken van een kloksignaal. |
| US4682343A (en) * | 1984-09-11 | 1987-07-21 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Processing circuit with asymmetry corrector and convolutional encoder for digital data |
| US4633488A (en) * | 1984-11-13 | 1986-12-30 | Digital Equipment Corporation | Phase-locked loop for MFM data recording |
| US4847876A (en) * | 1986-12-31 | 1989-07-11 | Raytheon Company | Timing recovery scheme for burst communication systems |
| US4879730A (en) * | 1988-05-31 | 1989-11-07 | Siemens Transmission Systems, Inc. | Jitter tolerant circuit for dual rail data |
| JP2512786B2 (ja) * | 1988-07-18 | 1996-07-03 | 富士通株式会社 | 位相整合回路 |
| US4975930A (en) * | 1988-11-02 | 1990-12-04 | Digital Equipment Corporation | Digital phase locked loop |
| US5579348A (en) * | 1994-02-02 | 1996-11-26 | Gi Corporation | Method and apparatus for improving the apparent accuracy of a data receiver clock circuit |
| US5892797A (en) * | 1996-07-17 | 1999-04-06 | Jay Deng | System and method for recovering data encoded using manchester code and other bi-phase level codes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3825844A (en) * | 1972-10-18 | 1974-07-23 | Peripherals General Inc | System for recovering phase shifted data pulses |
-
1976
- 1976-01-29 US US05/653,410 patent/US4017803A/en not_active Expired - Lifetime
- 1976-12-29 CA CA268,822A patent/CA1051528A/en not_active Expired
-
1977
- 1977-01-18 IT IT19420/77A patent/IT1075058B/it active
- 1977-01-24 FR FR7701865A patent/FR2340000A1/fr active Granted
- 1977-01-25 ES ES455336A patent/ES455336A1/es not_active Expired
- 1977-01-26 CH CH92777A patent/CH620068A5/de not_active IP Right Cessation
- 1977-01-27 DE DE2703395A patent/DE2703395C3/de not_active Expired
- 1977-01-28 GB GB3504/77A patent/GB1565245A/en not_active Expired
- 1977-01-28 JP JP794477A patent/JPS5294112A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2703395A1 (de) | 1977-08-04 |
| IT1075058B (it) | 1985-04-22 |
| DE2703395C3 (de) | 1978-11-23 |
| US4017803A (en) | 1977-04-12 |
| GB1565245A (en) | 1980-04-16 |
| CA1051528A (en) | 1979-03-27 |
| JPS5294112A (en) | 1977-08-08 |
| DE2703395B2 (de) | 1978-03-23 |
| JPS6227470B2 (ja) | 1987-06-15 |
| ES455336A1 (es) | 1978-01-01 |
| FR2340000A1 (fr) | 1977-08-26 |
| FR2340000B1 (ja) | 1982-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |