JPS56501823A - - Google Patents
Info
- Publication number
- JPS56501823A JPS56501823A JP50043781A JP50043781A JPS56501823A JP S56501823 A JPS56501823 A JP S56501823A JP 50043781 A JP50043781 A JP 50043781A JP 50043781 A JP50043781 A JP 50043781A JP S56501823 A JPS56501823 A JP S56501823A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2092—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner with digital generation of the modulated carrier (does not include the modulation of a digitally generated carrier)
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/106,452 US4307464A (en) | 1979-12-26 | 1979-12-26 | Method and apparatus for synthesizing a modulated carrier to reduced interchannel interference in a digital communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56501823A true JPS56501823A (ja) | 1981-12-10 |
Family
ID=22311483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50043781A Pending JPS56501823A (ja) | 1979-12-26 | 1980-12-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4307464A (ja) |
| EP (1) | EP0042415A4 (ja) |
| JP (1) | JPS56501823A (ja) |
| CA (1) | CA1167167A (ja) |
| WO (1) | WO1981001934A1 (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4442530A (en) * | 1981-09-21 | 1984-04-10 | Racal Data Communications Inc. | Digital transmitter with vector component addressing |
| US4446462A (en) * | 1982-03-01 | 1984-05-01 | General Electric Company | Method and apparatus for multiple frequency transmission of information in a digital communication system |
| FR2533778A1 (fr) * | 1982-09-28 | 1984-03-30 | Lignes Telegraph Telephon | Modulateur de phase differentiel |
| US5825829A (en) * | 1995-06-30 | 1998-10-20 | Scientific-Atlanta, Inc. | Modulator for a broadband communications system |
| US5978371A (en) * | 1997-03-31 | 1999-11-02 | Abb Power T&D Company Inc. | Communications module base repeater |
| US5986574A (en) | 1997-10-16 | 1999-11-16 | Peco Energy Company | System and method for communication between remote locations |
| US6967573B1 (en) | 1997-12-24 | 2005-11-22 | Parakan Pty Ltd. | Transmitter and a method for transmitting data |
| AUPP111297A0 (en) * | 1997-12-24 | 1998-01-22 | Ilamon Pty Ltd | A transmitter and a method for transmitting data |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3624560A (en) * | 1969-12-16 | 1971-11-30 | Gen Electric | Modulation technique for a limited energy speech transmission system employing phase reversal of alternate pulses |
| US3909750A (en) * | 1974-06-10 | 1975-09-30 | Bell Telephone Labor Inc | Apparatus for encoding a binary signal into a frequency modulated coherent phase-shift keyed signal |
| US3935386A (en) * | 1974-09-20 | 1976-01-27 | Teletype Corporation | Apparatus for synthesizing phase-modulated carrier wave |
| US3944723A (en) * | 1974-12-05 | 1976-03-16 | General Electric Company | Station for power line access data system |
| US3973240A (en) * | 1974-12-05 | 1976-08-03 | General Electric Company | Power line access data system |
| US3973087A (en) * | 1974-12-05 | 1976-08-03 | General Electric Company | Signal repeater for power line access data system |
| FR2322492A1 (fr) * | 1975-08-29 | 1977-03-25 | Cit Alcatel | Dispositif numerique de generation d'une onde modulee en phase par un signal de donnees et filtree |
| US4008373A (en) * | 1975-10-03 | 1977-02-15 | Motorola, Inc. | Digital differential phase shift keyed modulator |
| US4135181A (en) * | 1976-01-30 | 1979-01-16 | General Electric Company | Automatic remote meter reading and control system |
| US4101834A (en) * | 1976-09-13 | 1978-07-18 | General Electric Company | Methods and apparatus for rejection of interference in a digital communications system |
| US4109204A (en) * | 1976-12-29 | 1978-08-22 | General Electric Company | Apparatus and method for wideband communication with suppression of harmonic interference |
| US4161720A (en) * | 1977-05-23 | 1979-07-17 | General Electric Company | Meter terminal unit for use in automatic remote meter reading and control system |
-
1979
- 1979-12-26 US US06/106,452 patent/US4307464A/en not_active Expired - Lifetime
-
1980
- 1980-12-04 CA CA000366117A patent/CA1167167A/en not_active Expired
- 1980-12-22 WO PCT/US1980/001693 patent/WO1981001934A1/en not_active Ceased
- 1980-12-22 EP EP19810900252 patent/EP0042415A4/en not_active Withdrawn
- 1980-12-22 JP JP50043781A patent/JPS56501823A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4307464A (en) | 1981-12-22 |
| EP0042415A4 (en) | 1982-05-10 |
| EP0042415A1 (en) | 1981-12-30 |
| CA1167167A (en) | 1984-05-08 |
| WO1981001934A1 (en) | 1981-07-09 |