ATE204102T1 - Asynchrones modem für variable geschwindigkeiten - Google Patents
Asynchrones modem für variable geschwindigkeitenInfo
- Publication number
- ATE204102T1 ATE204102T1 AT93902937T AT93902937T ATE204102T1 AT E204102 T1 ATE204102 T1 AT E204102T1 AT 93902937 T AT93902937 T AT 93902937T AT 93902937 T AT93902937 T AT 93902937T AT E204102 T1 ATE204102 T1 AT E204102T1
- Authority
- AT
- Austria
- Prior art keywords
- frequency
- signal
- modulated signal
- modulator
- fsk
- Prior art date
Links
- 230000007704 transition Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
- H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
- H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/823,842 US5227741A (en) | 1992-01-22 | 1992-01-22 | Variable speed asynchronous modem |
PCT/US1993/000053 WO1993015551A1 (en) | 1992-01-22 | 1993-01-04 | Variable speed asynchronous modem |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE204102T1 true ATE204102T1 (de) | 2001-08-15 |
Family
ID=25239883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT93902937T ATE204102T1 (de) | 1992-01-22 | 1993-01-04 | Asynchrones modem für variable geschwindigkeiten |
Country Status (9)
Country | Link |
---|---|
US (1) | US5227741A (de) |
EP (1) | EP0623256B1 (de) |
KR (1) | KR100281430B1 (de) |
CN (1) | CN1077072A (de) |
AT (1) | ATE204102T1 (de) |
CA (1) | CA2126342A1 (de) |
DE (1) | DE69330554T2 (de) |
FI (1) | FI943415A0 (de) |
WO (1) | WO1993015551A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH684860A5 (de) * | 1992-04-23 | 1995-01-13 | Haeni Prolectron Ag | Verfahren und Schaltungsanordnung zur Uebertragung von binären Datenfolgen. |
US5418818A (en) * | 1992-09-22 | 1995-05-23 | Glenayre Electronics, Inc. | Digital signal processor exciter |
US5666378A (en) * | 1994-03-18 | 1997-09-09 | Glenayre Electronics, Inc. | High performance modem using pilot symbols for equalization and frame synchronization |
GB9408321D0 (en) * | 1994-04-27 | 1994-06-15 | Philips Electronics Uk Ltd | Selective call system and a secondary station for use therein |
US5475307A (en) * | 1994-07-29 | 1995-12-12 | Pacesetter, Inc. | Frequency demodulator and method for asynchronously demodulating sample signals |
US5499270A (en) * | 1994-08-01 | 1996-03-12 | Pierre Charrier | Spectral encoding-decoding system and method thereof |
US5991309A (en) * | 1996-04-12 | 1999-11-23 | E.F. Johnson Company | Bandwidth management system for a remote repeater network |
US5896560A (en) * | 1996-04-12 | 1999-04-20 | Transcrypt International/E. F. Johnson Company | Transmit control system using in-band tone signalling |
US6049720A (en) * | 1996-04-12 | 2000-04-11 | Transcrypt International / E.F. Johnson Company | Link delay calculation and compensation system |
US6028891A (en) * | 1996-06-25 | 2000-02-22 | Analog Devices, Inc. | Asymmetric digital subscriber loop transceiver and method |
US20040183614A1 (en) * | 2001-04-13 | 2004-09-23 | Jeroen Kuenen | Frequency modulation using a zero hz vco |
US7158543B1 (en) * | 2002-03-29 | 2007-01-02 | Cisco Technology, Inc. | V.8bis suppression method and apparatus for modem relay |
DE102015213599A1 (de) * | 2015-07-20 | 2017-01-26 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Signaluntersuchung |
CN108964827B (zh) * | 2018-08-17 | 2020-04-28 | 盐城工学院 | 一种基于频移键控的采用cdma技术的近距离无线网络 |
CN116865725A (zh) * | 2023-01-09 | 2023-10-10 | 深圳曦华科技有限公司 | 对解调信号的信号处理方法及相关装置和存储介质和程序 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2192506B (en) * | 1986-07-12 | 1990-05-30 | Stc Plc | Demodulation circuit |
US5022054A (en) * | 1988-11-30 | 1991-06-04 | Motorola, Inc. | Digital GMSK modulator with non-integer bit interval handling |
US5016259A (en) * | 1989-03-03 | 1991-05-14 | The Grass Valley Group, Inc. | Low jitter DDFS FSK modulator |
GB2234411A (en) * | 1989-07-03 | 1991-01-30 | Marconi Instruments Ltd | Integrated circuit for digital demodulation |
US5105444A (en) * | 1989-09-13 | 1992-04-14 | Atlantic Richfield Company | System for high speed data tranmission |
US5040192A (en) * | 1990-02-06 | 1991-08-13 | Hayes Microcomputer Products, Inc. | Method and apparatus for optimally autocorrelating an FSK signal |
-
1992
- 1992-01-22 US US07/823,842 patent/US5227741A/en not_active Expired - Lifetime
-
1993
- 1993-01-04 EP EP93902937A patent/EP0623256B1/de not_active Expired - Lifetime
- 1993-01-04 DE DE69330554T patent/DE69330554T2/de not_active Expired - Fee Related
- 1993-01-04 AT AT93902937T patent/ATE204102T1/de not_active IP Right Cessation
- 1993-01-04 CA CA002126342A patent/CA2126342A1/en not_active Abandoned
- 1993-01-04 WO PCT/US1993/000053 patent/WO1993015551A1/en active IP Right Grant
- 1993-01-04 KR KR1019940702457A patent/KR100281430B1/ko not_active IP Right Cessation
- 1993-01-21 CN CN93100633A patent/CN1077072A/zh active Pending
-
1994
- 1994-07-19 FI FI943415A patent/FI943415A0/fi unknown
Also Published As
Publication number | Publication date |
---|---|
KR100281430B1 (ko) | 2001-02-01 |
FI943415A (fi) | 1994-07-19 |
US5227741A (en) | 1993-07-13 |
EP0623256B1 (de) | 2001-08-08 |
CN1077072A (zh) | 1993-10-06 |
CA2126342A1 (en) | 1993-08-05 |
DE69330554D1 (de) | 2001-09-13 |
KR940704080A (ko) | 1994-12-12 |
FI943415A0 (fi) | 1994-07-19 |
EP0623256A4 (en) | 1997-05-07 |
EP0623256A1 (de) | 1994-11-09 |
DE69330554T2 (de) | 2002-06-06 |
WO1993015551A1 (en) | 1993-08-05 |
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LEE et al. | ta'n'C. Pabner received a BS from Washington and Lee University and a BEE from Rensselaer Polytechnic Institute, boll in 1955, and an Al. 5. and Ph. D. it; electrical engineering from the University of Maryland in 1963 and 1970, respectively. From 1955 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |