JPS4918255A - - Google Patents
Info
- Publication number
- JPS4918255A JPS4918255A JP48040483A JP4048373A JPS4918255A JP S4918255 A JPS4918255 A JP S4918255A JP 48040483 A JP48040483 A JP 48040483A JP 4048373 A JP4048373 A JP 4048373A JP S4918255 A JPS4918255 A JP S4918255A
- 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
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
- H04L27/2014—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes in a piecewise linear manner during each symbol period, e.g. minimum shift keying, fast frequency shift keying
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24331972A | 1972-04-12 | 1972-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4918255A true JPS4918255A (US20080005853A1-20080110-C00027.png) | 1974-02-18 |
Family
ID=22918265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48040483A Pending JPS4918255A (US20080005853A1-20080110-C00027.png) | 1972-04-12 | 1973-04-11 |
Country Status (6)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4290140A (en) * | 1978-02-23 | 1981-09-15 | Northrop Corporation | Combined coherent frequency and phase shift keying modulation system |
| FR2469063B1 (fr) * | 1979-10-31 | 1987-10-23 | Brossard Pierre | Modulations binaires a deplacement de phase et modulateurs |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3242262A (en) * | 1961-09-21 | 1966-03-22 | Ibm | Method and apparatus for transmitting binary data |
| US3307152A (en) * | 1963-05-31 | 1967-02-28 | Gen Electric | Data transmission system with control character insertions |
| US3601701A (en) * | 1969-09-25 | 1971-08-24 | Collins Radio Co | Bi-phase keyed modulator-demodulator system |
| GB1324998A (en) * | 1969-11-19 | 1973-07-25 | Emi Ltd | Phase modulators |
| GB1304188A (US20080005853A1-20080110-C00027.png) * | 1969-12-09 | 1973-01-24 |
-
1972
- 1972-04-12 US US00243319A patent/US3750051A/en not_active Expired - Lifetime
-
1973
- 1973-04-07 DE DE2317675A patent/DE2317675A1/de active Pending
- 1973-04-09 BE BE129789A patent/BE797939A/xx unknown
- 1973-04-10 IT IT49346/73A patent/IT980147B/it active
- 1973-04-10 FR FR7312853A patent/FR2179916A1/fr not_active Withdrawn
- 1973-04-11 JP JP48040483A patent/JPS4918255A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3750051A (en) | 1973-07-31 |
| BE797939A (fr) | 1973-07-31 |
| FR2179916A1 (US20080005853A1-20080110-C00027.png) | 1973-11-23 |
| DE2317675A1 (de) | 1973-10-18 |
| IT980147B (it) | 1974-09-30 |
