BE529981A - - Google Patents

Info

Publication number: BE529981A
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.)

1953-06-29

Publication of BE529981A publication Critical patent/BE529981A/xx

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/68—Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/12—Frequency diversity

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Radio Relay Systems (AREA)
Transmitters (AREA)
Mobile Radio Communication Systems (AREA)

BE529981D 1953-06-29 BE529981A (fi)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US364571A US2895009A (en)	1953-06-29	1953-06-29	Channeling system for frequency spectrum transmission

Publications (1)

Publication Number	Publication Date
BE529981A true BE529981A (fi)

Family

ID=23435100

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE529981D BE529981A (fi)	1953-06-29

Country Status (6)

Country	Link
US (1)	US2895009A (fi)
BE (1)	BE529981A (fi)
DE (1)	DE1019721B (fi)
FR (1)	FR1103181A (fi)
GB (1)	GB751179A (fi)
NL (1)	NL188694B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2976363A (en) *	1957-12-30	1961-03-21	Gen Electric	Modulation of selected phases of carriers for simultaneous transmission through single delay means
US3605017A (en) *	1969-06-06	1971-09-14	Eg & G Inc	Single sideband data transmission system
GB2177875A (en) *	1985-07-08	1987-01-28	Philips Electronic Associated	Radio transmission system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR744002A (fi) *	1931-08-14	1933-04-10
US2430296A (en) *	1943-10-27	1947-11-04	Hazeltine Research Inc	Radiated-signal receiving system
US2426460A (en) *	1943-10-27	1947-08-26	Hazeltine Research Inc	System for locating a radiatedsignal reflector
US2429726A (en) *	1943-10-27	1947-10-28	Hazeltine Research Inc	System for space scanning with a radiated wave-signal beam
US2437281A (en) *	1944-07-19	1948-03-09	Sperry Corp	High-frequency radiant energy apparatus
CH248975A (de) *	1946-02-04	1947-05-31	Patelhold Patentverwertung	Verfahren und Einrichtung zur Verschleierung der einzelnen Gespräche einer Mehrkanalanlage.
US2497859A (en) *	1947-11-19	1950-02-21	Western Union Telegraph Co	Frequency diversity telegraph system
US2611825A (en) *	1948-04-28	1952-09-23	Donald B Harris	Multichannel transmission system
US2559644A (en) *	1948-09-18	1951-07-10	Rca Corp	Pulse multiplex system

0
- NL NLAANVRAGE7809632,B patent/NL188694B/xx unknown
- BE BE529981D patent/BE529981A/xx unknown
1953
- 1953-06-29 US US364571A patent/US2895009A/en not_active Expired - Lifetime
1954
- 1954-06-25 FR FR1103181D patent/FR1103181A/fr not_active Expired
- 1954-06-25 GB GB18683/54A patent/GB751179A/en not_active Expired
- 1954-06-25 DE DEI8826A patent/DE1019721B/de active Pending

Also Published As

Publication number	Publication date
NL188694B (nl)
GB751179A (en)	1956-06-27
FR1103181A (fr)	1955-10-31
DE1019721B (de)	1957-11-21
US2895009A (en)	1959-07-14

Publication	Publication Date	Title
DE1049675B (fi)
BE517130A (fi)	1953-02-14
AT192380B (fi)	1957-10-10
AT199365B (fi)	1958-08-25
AT191238B (fi)	1957-08-10
FR1029691A (fi)	1953-06-08
AT195162B (fi)	1958-01-25
AT194824B (fi)	1958-01-25
AT195400B (fi)	1958-01-25
AT213751B (fi)	1961-02-27
AT205166B (fi)	1959-09-10
AT196785B (fi)	1958-03-25
AT197771B (fi)	1958-05-27
AT199317B (fi)	1958-08-25
FR1078594A (fi)	1954-11-19
BE529355A (fi)
BE425967A (fi)
BE529689A (fi)
BE529487A (fi)
BE531839A (fi)
BE10545A (fi)
BE531954A (fi)
BE529432A (fi)
BE324631A (fi)
BE326981A (fi)