DE2640298C2 - Datenempfangsschaltung - Google Patents
DatenempfangsschaltungInfo
- Publication number
- DE2640298C2 DE2640298C2 DE2640298A DE2640298A DE2640298C2 DE 2640298 C2 DE2640298 C2 DE 2640298C2 DE 2640298 A DE2640298 A DE 2640298A DE 2640298 A DE2640298 A DE 2640298A DE 2640298 C2 DE2640298 C2 DE 2640298C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- phase
- circuit
- pseudo
- switch
- 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.)
- Expired
Links
- 238000001228 spectrum Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000002596 correlated effect Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 240000003834 Triticum spelta Species 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/611,366 US4039749A (en) | 1975-09-08 | 1975-09-08 | Spread spectrum demodulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2640298A1 DE2640298A1 (de) | 1977-03-17 |
| DE2640298C2 true DE2640298C2 (de) | 1982-09-09 |
Family
ID=24448738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2640298A Expired DE2640298C2 (de) | 1975-09-08 | 1976-09-08 | Datenempfangsschaltung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4039749A (OSRAM) |
| JP (1) | JPS5233409A (OSRAM) |
| CA (1) | CA1066779A (OSRAM) |
| DE (1) | DE2640298C2 (OSRAM) |
| FR (1) | FR2323274A1 (OSRAM) |
| GB (1) | GB1510903A (OSRAM) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091410A (en) * | 1976-11-08 | 1978-05-23 | Zenith Radio Corporation | Frequency and phase lock loop synchronous detecting system having a pair of phase lock conditions |
| US4149121A (en) * | 1977-06-23 | 1979-04-10 | Ncr Corporation | Four phase to two phase correlator |
| DE2742696C2 (de) * | 1977-09-22 | 1979-11-15 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltung zur Synchronisation eines empfängerseilig angeordneten Pseudozufallsgenerators für Nachrichtenübertragungssysteme mit pseudozufälliger Phasensprungmodulation |
| US4215239A (en) * | 1977-12-05 | 1980-07-29 | E-Systems, Inc. | Apparatus for the acquisition of a carrier frequency and symbol timing lock |
| US4189677A (en) * | 1978-03-13 | 1980-02-19 | Purdue Research Foundation | Demodulator unit for spread spectrum apparatus utilized in a cellular mobile communication system |
| US4291409A (en) * | 1978-06-20 | 1981-09-22 | The Mitre Corporation | Spread spectrum communications method and apparatus |
| US4203070A (en) * | 1978-08-08 | 1980-05-13 | The Charles Stark Draper Laboratory, Inc. | Pseudo-random-number code detection and tracking system |
| US4279018A (en) * | 1979-03-06 | 1981-07-14 | Nasa | PN Lock indicator for dithered PN code tracking loop |
| US4221005A (en) * | 1979-05-21 | 1980-09-02 | Nasa | Pseudonoise code tracking loop |
| US4241312A (en) * | 1979-07-27 | 1980-12-23 | Barnes James R | Self-calibrating threshold detector |
| JPS56103557A (en) * | 1980-01-21 | 1981-08-18 | Matsushita Electric Ind Co Ltd | Receiving device |
| US4435821A (en) | 1981-03-24 | 1984-03-06 | Nippon Electric Co., Ltd. | Receiver in a frequency hopping communication system |
| US4475208A (en) | 1982-01-18 | 1984-10-02 | Ricketts James A | Wired spread spectrum data communication system |
| ATE36923T1 (de) * | 1982-03-10 | 1988-09-15 | Emi Ltd | Nachrichtenverbindung ueber verrauschte leitungen. |
| GB8621875D0 (en) * | 1986-09-11 | 1986-11-05 | Emi Plc Thorn | Signal receiver |
| US4888788A (en) * | 1986-11-20 | 1989-12-19 | Matsushita Electric Industrial Co., Ltd. | Transmitting and receiving systems |
| US4943975A (en) * | 1987-10-09 | 1990-07-24 | Clarion Co., Ltd. | Spread spectrum communication receiver |
| US5255210A (en) * | 1988-10-28 | 1993-10-19 | The Regents Of The University Of California | Self-coherence restoring signal extraction apparatus and method |
| US5299148A (en) * | 1988-10-28 | 1994-03-29 | The Regents Of The University Of California | Self-coherence restoring signal extraction and estimation of signal direction of arrival |
| US5144639A (en) * | 1989-09-08 | 1992-09-01 | Clarion Co., Ltd. | Spread-spectrum communication system |
| JP2500969Y2 (ja) * | 1989-09-26 | 1996-06-12 | ミサワホーム株式会社 | プレファブ住宅ユニット |
| US5379456A (en) * | 1991-02-05 | 1995-01-03 | Whistler Corporation | Multiplying saw phase shift envelope detector |
| US5146227A (en) * | 1991-05-03 | 1992-09-08 | Whistler Corporation | Sweeping receiver |
| US5365550A (en) * | 1991-07-18 | 1994-11-15 | Pulse Electronics, Inc. | Initial synchronization and tracking circuits for spread spectrum receivers |
| US5309483A (en) * | 1991-09-16 | 1994-05-03 | Motorola, Inc. | Data recovery device |
| US5299236A (en) * | 1992-11-13 | 1994-03-29 | Toshiba America Information Systems, Inc. | System and method for obtaining and maintaining synchronization of a demodulated signal |
| EP1899043A4 (en) * | 2005-07-05 | 2011-03-23 | Greensols Australia Pty Ltd | PREPARATION AND USE OF CATIONIC HALOGENIDES, SEQUESTRATION OF CARBON DIOXIDE |
| US20210330390A1 (en) * | 2020-04-22 | 2021-10-28 | Medtronic Navigation, Inc. | System and method for navigation |
| US11857267B2 (en) | 2020-04-22 | 2024-01-02 | Medtronic Navigation, Inc. | System and method for navigation |
| US11571261B2 (en) * | 2020-04-22 | 2023-02-07 | Medtronic Navigation, Inc. | System and method for navigation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3350644A (en) * | 1965-05-20 | 1967-10-31 | Avco Corp | Slip corrector means and method for multistation networks |
| US3478268A (en) * | 1967-06-16 | 1969-11-11 | Sylvania Electric Prod | Suppression of strong interfering signals in a radio receiver |
| US3916313A (en) * | 1974-11-25 | 1975-10-28 | Us Navy | PSK-FSK spread spectrum modulation/demodulation |
-
1975
- 1975-09-08 US US05/611,366 patent/US4039749A/en not_active Expired - Lifetime
-
1976
- 1976-08-16 CA CA259,160A patent/CA1066779A/en not_active Expired
- 1976-09-02 GB GB36389/76A patent/GB1510903A/en not_active Expired
- 1976-09-06 JP JP51105880A patent/JPS5233409A/ja active Pending
- 1976-09-07 FR FR7626849A patent/FR2323274A1/fr active Granted
- 1976-09-08 DE DE2640298A patent/DE2640298C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1066779A (en) | 1979-11-20 |
| FR2323274B1 (OSRAM) | 1981-04-30 |
| US4039749A (en) | 1977-08-02 |
| DE2640298A1 (de) | 1977-03-17 |
| FR2323274A1 (fr) | 1977-04-01 |
| JPS5233409A (en) | 1977-03-14 |
| GB1510903A (en) | 1978-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2640298C2 (de) | Datenempfangsschaltung | |
| DE69033552T2 (de) | Übertragungssystem mit Kodeverschiebungsmodulation | |
| DE2640325C3 (de) | Datenempfangsschaltung | |
| DE69326140T2 (de) | Psk empfänger | |
| DE2648977C3 (de) | Demodulator für differentiell phasencodierte Digitaldaten | |
| DE1762122C3 (de) | Schaltungsanordnung zur Übertragung synchroner Impulssignale | |
| DE3740665A1 (de) | Mehrstufige streuspektrum-kommunikationsvorrichtung | |
| DE4003671A1 (de) | Spread-spektrum- nachrichtenverbindungsvorrichtung | |
| DE3032749A1 (de) | Funkempfaenger | |
| DE69324529T2 (de) | Phasendetektor für ein Taktrückgewinnungssystem | |
| DE2329236C3 (de) | Anordnung mit einem Sender und einem Empfänger zur Übertragung in periodischen Taktintervallen liegender binärer Signale | |
| DE1934296C3 (de) | Vorrichtung zur Übertragung rechteckiger synchroner Informationsimpulse | |
| DE1816033C3 (OSRAM) | ||
| DE1816033B2 (de) | Sendevorrichtung zur uebertragung von impulsen | |
| DE2047697A1 (de) | Schaltungsanordnung zur Demodulation von phasendifferenzmodulierten Datensignalen | |
| DE2141887A1 (de) | Phasensynchronisiersystem | |
| EP1335549B1 (de) | Verfahren zum Erzeugen und Einrichtung zum Empfangen eines anisochronen binären Signals | |
| DE2532287C2 (de) | Übertragungssystem für unipolare Signale | |
| DE69400151T2 (de) | Verfahren zur Rückgewinnung der Zeichensynchronisation in Empfängern digital modulierter Signale und Schaltung dazu | |
| DE1297648B (de) | Verfahren und Schaltungsanordnung zur UEbertragung von binaer-kodierten Daten durch Anwendung von Frequenzmodulation | |
| DE2429743A1 (de) | System zur kodierung einer binaerinformation mittels der nulldurchgaenge | |
| DE1462422A1 (de) | Datenuebertragungsverfahren | |
| DE2541187C3 (de) | Restseitenbandttbertragungssystem für synchrone Datensignale | |
| DE2325851C3 (de) | Schaltungsanordnung zum Synchronisieren des Codes in Nachrichtenübertragungsanlagen | |
| DE2027476C3 (de) | Übertragungssystem |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8127 | New person/name/address of the applicant |
Owner name: E-SYSTEMS, INC., DALLAS, TEX., US |
|
| D2 | Grant after examination | ||
| 8339 | Ceased/non-payment of the annual fee |