JPS5038488B1 - - Google Patents
Info
- Publication number
- JPS5038488B1 JPS5038488B1 JP45071226A JP7122670A JPS5038488B1 JP S5038488 B1 JPS5038488 B1 JP S5038488B1 JP 45071226 A JP45071226 A JP 45071226A JP 7122670 A JP7122670 A JP 7122670A JP S5038488 B1 JPS5038488 B1 JP S5038488B1
- 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
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45071226A JPS5038488B1 (enrdf_load_stackoverflow) | 1970-08-14 | 1970-08-14 | |
GB3815671A GB1356179A (en) | 1970-08-14 | 1971-08-13 | Amplitude-modulated eight-phase phase-modulated system |
US172150A US3706945A (en) | 1970-08-14 | 1971-08-16 | Amplitude-modulated eight-phase phase-modulation system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45071226A JPS5038488B1 (enrdf_load_stackoverflow) | 1970-08-14 | 1970-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5038488B1 true JPS5038488B1 (enrdf_load_stackoverflow) | 1975-12-10 |
Family
ID=13454542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP45071226A Pending JPS5038488B1 (enrdf_load_stackoverflow) | 1970-08-14 | 1970-08-14 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3706945A (enrdf_load_stackoverflow) |
JP (1) | JPS5038488B1 (enrdf_load_stackoverflow) |
GB (1) | GB1356179A (enrdf_load_stackoverflow) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5125303B1 (enrdf_load_stackoverflow) * | 1971-02-10 | 1976-07-30 | ||
USRE33056E (en) * | 1971-09-14 | 1989-09-12 | Codex Corporation | Signal structures for double side band-quadrature carrier modulation |
US3887768A (en) * | 1971-09-14 | 1975-06-03 | Codex Corp | Signal structures for double side band-quadrature carrier modulation |
US3787785A (en) * | 1972-05-15 | 1974-01-22 | Collins Radio Co | Phase representative digital signal modulating apparatus |
US3824498A (en) * | 1972-12-22 | 1974-07-16 | Dallas Instr Inc | Digital processor for selectively synthesizing sinusoidal waveforms and frequency modulations |
US3943285A (en) * | 1973-05-10 | 1976-03-09 | Milgo Electronic Corporation | Multiplexed data modem |
US3885228A (en) * | 1973-06-05 | 1975-05-20 | Martin J Katz | Fail-safe electronic encoder for selectively operating railway signal indicator |
FR2270721B1 (enrdf_load_stackoverflow) * | 1974-04-12 | 1976-10-08 | Europ Teletransmission | |
US4217467A (en) * | 1974-07-19 | 1980-08-12 | Nippon Telegraph & Telephone Public Corporation | Amplitude and periodic phase modulation transmission system |
GB1519972A (en) * | 1974-07-19 | 1978-08-02 | Nippon Telegraph & Telephone | Data transmission system |
US3988539A (en) * | 1974-09-16 | 1976-10-26 | Hycom Incorporated | Data transmission system using optimal eight-vector signaling scheme |
DE2544124C3 (de) * | 1974-10-04 | 1982-02-25 | CSELT-Centro Studi e Laboratori Telecomunicazioni S.p.A., Torino | Rückkopplungsentzerrer |
US4037049A (en) * | 1974-10-18 | 1977-07-19 | Intertel, Inc. | Modulator and demodulator for data communications network |
JPS5157278A (en) * | 1974-11-15 | 1976-05-19 | Kuniaki Myazawa | Shingodensohoho oyobi sochi |
US3983485A (en) * | 1975-02-28 | 1976-09-28 | Rixon Inc. | Multi-phase and multi-amplitude level modulator and modulation and demodulation methods |
IT1030453B (it) * | 1975-03-27 | 1979-03-30 | Cselt Centro Studi Lab Telecom | Organo di decisione per ricevitori di segnali numerici a piu livelli modulati in fase o in fase e ampiezza |
US4084137A (en) * | 1976-08-24 | 1978-04-11 | Communications Satellite Corporation | Multidimensional code communication systems |
US4213094A (en) * | 1978-07-13 | 1980-07-15 | Raytheon Company | Poly-phase modulation systems |
US4379947A (en) * | 1979-02-02 | 1983-04-12 | Teleprompter Corporation | System for transmitting data simultaneously with audio |
US4271527A (en) * | 1979-08-31 | 1981-06-02 | Paradyne Corporation | Double side band-quadrature carrier modulation signal structures |
DE3117134A1 (de) * | 1981-04-30 | 1982-11-18 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Digitale modulationsverfahren |
JPS5985166A (ja) * | 1982-10-29 | 1984-05-17 | Fujitsu Ltd | 位相変調器 |
DE3934187C1 (enrdf_load_stackoverflow) * | 1989-10-13 | 1991-03-14 | Ant Nachrichtentechnik Gmbh, 7150 Backnang, De | |
US5796784A (en) * | 1996-03-27 | 1998-08-18 | Motorola, Inc. | Method and apparatus for modifying amplitude of at least one symbol |
FR2884373B1 (fr) * | 2005-04-12 | 2009-07-10 | Commissariat Energie Atomique | Procede de communication sans contact base sur des modulations et demodulations asynchrones |
US9014293B2 (en) * | 2013-03-15 | 2015-04-21 | Tm Ip Holdings, Llc | Transpositional modulation systems and methods |
US9515815B2 (en) | 2013-03-15 | 2016-12-06 | Tm Ip Holdings, Llc | Transpositional modulation systems, methods and devices |
US9882764B1 (en) | 2017-04-13 | 2018-01-30 | Tm Ip Holdings, Llc | Transpositional modulation |
US10578709B1 (en) | 2017-04-20 | 2020-03-03 | Tm Ip Holdings, Llc | Transpositional modulation for defensive measures |
US10341161B2 (en) | 2017-07-10 | 2019-07-02 | Tm Ip Holdings, Llc | Multi-dimensional signal encoding |
WO2019236746A1 (en) | 2018-06-05 | 2019-12-12 | Tm Ip Holdings, Llc | Transpositional modulation and demodulation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB918583A (enrdf_load_stackoverflow) * | 1958-03-27 | 1900-01-01 | ||
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 |
US3406383A (en) * | 1964-08-21 | 1968-10-15 | Robertshaw Controls Co | Analog keyed phase transmitter and system |
DE1222974B (de) * | 1965-02-04 | 1966-08-18 | Siemens Ag | Verfahren und Schaltungsanordnung zur UEbertragung binaerer Signale in hoeher codierter Form |
-
1970
- 1970-08-14 JP JP45071226A patent/JPS5038488B1/ja active Pending
-
1971
- 1971-08-13 GB GB3815671A patent/GB1356179A/en not_active Expired
- 1971-08-16 US US172150A patent/US3706945A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
IRE TRANSACTION ON COMMUNICATIONS SYSTEMS#N1=1962 * |
Also Published As
Publication number | Publication date |
---|---|
US3706945A (en) | 1972-12-19 |
GB1356179A (en) | 1974-06-12 |