BE713422A - - Google Patents

Info

Publication number: BE713422A
Authority: BE; Belgium

Application number

Priority date (The priority date 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 date listed.)

1967-04-10

Filing date

1968-04-09

Publication date

1968-08-16

1968-04-09 Application filed filed Critical

1968-08-16 Publication of BE713422A publication Critical patent/BE713422A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/004—Amplitude modulation
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Television Systems (AREA)

BE713422D 1967-04-10 1968-04-09 BE713422A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US62963167A	1967-04-10	1967-04-10

Publications (1)

Publication Number	Publication Date
BE713422A true BE713422A (de)	1968-08-16

Family

ID=24523800

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE713422D BE713422A (de)	1967-04-10	1968-04-09

Country Status (6)

Country	Link
US (1)	US3517131A (de)
BE (1)	BE713422A (de)
DE (1)	DE1294437B (de)
FR (1)	FR1577959A (de)
GB (1)	GB1226162A (de)
NL (1)	NL6804829A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4550416A (en) *	1983-01-31	1985-10-29	Hazeltine Corporation	Digital transmitter
US4881245A (en) *	1983-07-01	1989-11-14	Harris Corporation	Improved signalling method and apparatus
US4730344A (en) *	1984-08-13	1988-03-08	The University Of Michigan	Quadrature-quadrature phase shift keying with constant envelope
US4680777A (en) *	1984-08-13	1987-07-14	The University Of Michigan	Quadrature-quadrature phase shift keying
GB2260872B (en) *	1991-09-20	1995-10-25	Sharp Kk	An optical transmission system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2188499A (en) *	1937-12-21	1940-01-30	Wired Radio Inc	Staggered frequency signal distribution
BE482557A (de) *	1947-05-19
US2565409A (en) *	1949-08-24	1951-08-21	Rca Corp	Modulator circuit
US2776373A (en) *	1953-12-14	1957-01-01	Bell Telephone Labor Inc	Frequency conversion circuits
US2905812A (en) *	1955-04-18	1959-09-22	Collins Radio Co	High information capacity phase-pulse multiplex system
US2934716A (en) *	1956-04-02	1960-04-26	Collins Radio Co	Variable frequency synthesizer
US3163718A (en) *	1962-06-28	1964-12-29	Deman Pierre	Frequency and time allocation multiplex system
US3290440A (en) *	1963-03-14	1966-12-06	Roger L Easton	Data transmission by variable phase with two transmitted phase reference signals
FR88714E (de) *	1963-06-28	1967-06-02
US3364311A (en) *	1964-02-07	1968-01-16	Nasa Usa	Elimination of frequency shift in a multiplex communication system
US3430143A (en) *	1965-03-15	1969-02-25	Gen Dynamics Corp	Communications system wherein information is represented by the phase difference between adjacent tones
US3379992A (en) *	1965-10-18	1968-04-23	Collins Radio Co	Multiple frequency signal generator

1967
- 1967-04-10 US US629631A patent/US3517131A/en not_active Expired - Lifetime
1968
- 1968-04-04 GB GB1226162D patent/GB1226162A/en not_active Expired
- 1968-04-05 NL NL6804829A patent/NL6804829A/xx unknown
- 1968-04-06 DE DEP1762103.3A patent/DE1294437B/de active Pending
- 1968-04-09 BE BE713422D patent/BE713422A/xx unknown
- 1968-04-10 FR FR1577959D patent/FR1577959A/fr not_active Expired

Also Published As

Publication number	Publication date
US3517131A (en)	1970-06-23
GB1226162A (de)	1971-03-24
FR1577959A (de)	1969-08-14
DE1294437B (de)	1969-05-08
NL6804829A (de)	1968-10-11

Publication	Publication Date	Title
AU425114B2 (de)	1972-06-14
FR1577959A (de)	1969-08-14
AU416737B2 (de)	1971-09-03
AU342066A (de)	1968-09-19
AU2277767A (de)	1968-12-12
AU610966A (de)	1968-11-28
AU3151267A (de)	1968-01-08
AU1273466A (de)	1969-04-24
AU2116667A (de)	1969-04-03
AU2256867A (de)	1968-12-05
AU2528767A (de)	1970-01-08
AU2977667A (de)	1969-05-22
AU2454867A (de)	1969-01-16
AU3189468A (de)	1969-07-10
BE426053A (de)
BE609934A (de)
BE692553A (de)	1967-07-13
AU34866A (de)	1968-07-04
AU408412B2 (de)	1970-11-23
AU2406369A (de)	1969-01-09
AU459699A (de)	1975-04-10
AU1868267A (de)	1968-09-12
AU1763766A (de)	1968-08-15
AU97666A (de)	1968-08-01
BE162295A (de)