NL299130A - - Google Patents

Info

Publication number: NL299130A
Authority: NL; Netherlands

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.)

1940-02-01

Publication of NL299130A publication Critical patent/NL299130A/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
- C07D219/04—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
- C07D219/08—Nitrogen atoms
- C07D219/10—Nitrogen atoms attached in position 9
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
- C07D219/02—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with only hydrogen, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D219/00—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems
- C07D219/04—Heterocyclic compounds containing acridine or hydrogenated acridine ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Details Of Aerials (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)
Circuit Arrangement For Electric Light Sources In General (AREA)
Audible And Visible Signals (AREA)

NL299130D 1940-02-01 NL299130A (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US316732A US2406734A (en)	1940-02-01	1940-02-01	Glide path beacon

Publications (1)

Publication Number	Publication Date
NL299130A true NL299130A (sv)

Family

ID=23230405

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL136262D NL136262C (sv)	1940-02-01
NL299130D NL299130A (sv)	1940-02-01

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL136262D NL136262C (sv)	1940-02-01

Country Status (7)

Country	Link
US (1)	US2406734A (sv)
BE (1)	BE474311A (sv)
CH (1)	CH266918A (sv)
ES (1)	ES177861A1 (sv)
FR (1)	FR956486A (sv)
GB (1)	GB592571A (sv)
NL (2)	NL299130A (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2713164A (en) *	1945-05-21	1955-07-12	Itt	Direction finding system
US2527570A (en) *	1947-12-01	1950-10-31	Int Standard Electric Corp	Glide path system
US2539500A (en) *	1948-02-28	1951-01-30	Int Standard Electric Corp	Glide path and localizer system
US2610321A (en) *	1948-02-28	1952-09-09	Int Standard Electric Corp	Glide path antenna
US3113310A (en) *	1961-02-10	1963-12-03	Avco Corp	Null scanning radar
GB1062551A (en) *	1963-04-26	1967-03-22	Standard Telephones Cables Ltd	Radio guidance systems
US3409890A (en) *	1966-12-28	1968-11-05	Univ Sydney	Landing system for aircraft
US3716863A (en) *	1970-08-06	1973-02-13	American Nucleonics Corp	Instrument landing error correcting system

0
- NL NL136262D patent/NL136262C/xx active
- NL NL299130D patent/NL299130A/xx unknown
- BE BE474311D patent/BE474311A/xx unknown
- FR FR956486D patent/FR956486A/fr not_active Expired
1940
- 1940-02-01 US US316732A patent/US2406734A/en not_active Expired - Lifetime
1943
- 1943-11-26 GB GB19827/43A patent/GB592571A/en not_active Expired
1947
- 1947-02-25 CH CH266918D patent/CH266918A/de unknown
- 1947-05-03 ES ES0177861A patent/ES177861A1/es not_active Expired

Also Published As

Publication number	Publication date
US2406734A (en)	1946-09-03
CH266918A (de)	1950-02-28
GB592571A (en)	1947-09-23
BE474311A (sv)
ES177861A1 (es)	1947-06-16
NL136262C (sv)
FR956486A (sv)	1950-02-02

Publication	Publication Date	Title
FR956486A (sv)	1950-02-02
AT166693B (sv)	1950-09-11
BE440256A (sv)	1941-01-28
FR853863A (sv)	1940-03-30
FR851940A (sv)	1940-01-18
BE438794A (sv)	1940-07-31
BE437891A (sv)	1940-03-30
BE375327A (sv)
BE437554A (sv)
NL64199C (sv)
NL59514C (sv)	1947-01-15
BE439958A (sv)	1941-01-31
BE442596A (sv)	1941-09-30
BE440307A (sv)
BE440295A (sv)
BE440291A (sv)
BE440289A (sv)
BE440284A (sv)
BE440248A (sv)
BE440246A (sv)
BE440192A (sv)
BE220358A (sv)
BE439954A (sv)
BE432598A (sv)
BE436800A (sv)