JPS5019346A - - Google Patents
Info
- Publication number
- JPS5019346A JPS5019346A JP49054267A JP5426774A JPS5019346A JP S5019346 A JPS5019346 A JP S5019346A JP 49054267 A JP49054267 A JP 49054267A JP 5426774 A JP5426774 A JP 5426774A JP S5019346 A JPS5019346 A JP S5019346A
- 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
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
- H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
- H04L27/2075—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the change in carrier phase
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2324542A DE2324542C3 (de) | 1973-05-15 | 1973-05-15 | Schaltungsanordnung zur frequenzdifferenziellen Phasenmodulation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5019346A true JPS5019346A (ja) | 1975-02-28 |
Family
ID=5880999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49054267A Pending JPS5019346A (ja) | 1973-05-15 | 1974-05-15 |
Country Status (13)
Country | Link |
---|---|
US (1) | US3921103A (ja) |
JP (1) | JPS5019346A (ja) |
BE (1) | BE815066A (ja) |
DE (1) | DE2324542C3 (ja) |
DK (1) | DK141859C (ja) |
FI (1) | FI59517C (ja) |
FR (1) | FR2230133B1 (ja) |
GB (1) | GB1445185A (ja) |
IT (1) | IT1012241B (ja) |
LU (1) | LU70063A1 (ja) |
NL (1) | NL7405688A (ja) |
NO (1) | NO145453C (ja) |
ZA (1) | ZA742153B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139523U (ja) * | 1985-02-20 | 1986-08-29 | ||
JPS61139521U (ja) * | 1985-02-20 | 1986-08-29 | ||
JPS61139522U (ja) * | 1985-02-20 | 1986-08-29 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130731A (en) * | 1976-12-29 | 1978-12-19 | International Mobile Machines Incorporated | Portable telephone system |
DE2802784A1 (de) * | 1978-01-23 | 1979-07-26 | Siemens Ag | Schaltungsanordnung zum korrigieren von frequenzfehlern bei einer uebertragung von daten |
US4807261A (en) * | 1987-10-26 | 1989-02-21 | Motorola, Inc. | Automatic channel polarity detection and correction arrangement and method |
WO2009122333A2 (en) * | 2008-03-31 | 2009-10-08 | Nxp B.V. | Digital modulator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3131363A (en) * | 1960-05-18 | 1964-04-28 | Collins Radio Co | Instantaneous phase-pulse modulator |
US3341776A (en) * | 1964-01-13 | 1967-09-12 | Collins Radio Co | Error sensitive binary transmission system wherein four channels are transmitted via one carrier wave |
FR1403768A (fr) * | 1964-05-12 | 1965-06-25 | Cit Alcatel | Télégraphie à modulation trivalente |
US3739277A (en) * | 1969-06-02 | 1973-06-12 | Hallicrafters Co | Digital data transmission system utilizing phase shift keying |
US3619503A (en) * | 1969-11-18 | 1971-11-09 | Int Communications Corp | Phase and amplitude modulated modem |
US3816657A (en) * | 1972-10-12 | 1974-06-11 | Nasa | Differential phase-shift-keyed communication system |
-
1973
- 1973-05-15 DE DE2324542A patent/DE2324542C3/de not_active Expired
- 1973-12-06 GB GB5655373A patent/GB1445185A/en not_active Expired
-
1974
- 1974-04-04 ZA ZA00742153A patent/ZA742153B/xx unknown
- 1974-04-18 US US462031A patent/US3921103A/en not_active Expired - Lifetime
- 1974-04-25 FI FI1285/74A patent/FI59517C/fi active
- 1974-04-26 NL NL7405688A patent/NL7405688A/xx not_active Application Discontinuation
- 1974-05-03 NO NO741610A patent/NO145453C/no unknown
- 1974-05-10 IT IT22538/74A patent/IT1012241B/it active
- 1974-05-13 LU LU70063A patent/LU70063A1/xx unknown
- 1974-05-13 FR FR7416456A patent/FR2230133B1/fr not_active Expired
- 1974-05-14 DK DK263674A patent/DK141859C/da active
- 1974-05-15 JP JP49054267A patent/JPS5019346A/ja active Pending
- 1974-05-15 BE BE144344A patent/BE815066A/xx unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61139523U (ja) * | 1985-02-20 | 1986-08-29 | ||
JPS61139521U (ja) * | 1985-02-20 | 1986-08-29 | ||
JPS61139522U (ja) * | 1985-02-20 | 1986-08-29 | ||
JPH0310568Y2 (ja) * | 1985-02-20 | 1991-03-15 | ||
JPH0310570Y2 (ja) * | 1985-02-20 | 1991-03-15 | ||
JPH0310569Y2 (ja) * | 1985-02-20 | 1991-03-15 |
Also Published As
Publication number | Publication date |
---|---|
NO741610L (no) | 1974-11-18 |
NL7405688A (ja) | 1974-11-19 |
FI59517C (fi) | 1981-08-10 |
US3921103A (en) | 1975-11-18 |
IT1012241B (it) | 1977-03-10 |
NO145453B (no) | 1981-12-14 |
DK141859C (da) | 1980-11-17 |
FR2230133A1 (ja) | 1974-12-13 |
BE815066A (fr) | 1974-11-18 |
ZA742153B (en) | 1975-03-26 |
FR2230133B1 (ja) | 1977-06-24 |
GB1445185A (en) | 1976-08-04 |
DE2324542C3 (de) | 1979-01-25 |
DE2324542A1 (de) | 1974-12-05 |
DE2324542B2 (de) | 1978-05-24 |
NO145453C (no) | 1982-04-28 |
FI59517B (fi) | 1981-04-30 |
DK141859B (da) | 1980-06-30 |
LU70063A1 (ja) | 1975-02-24 |