NL69932C - - Google Patents

Info

Publication number: NL69932C
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.)

1945-01-27

Publication of NL69932C publication Critical patent/NL69932C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/20—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of continuously-variable ohmic resistance
- H02P9/22—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field due to variation of continuously-variable ohmic resistance comprising carbon pile resistance

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)

NL69932D 1945-01-27 NL69932C (zh)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US574878A US2490815A (en)	1945-01-27	1945-01-27	Loop antenna

Publications (1)

Publication Number	Publication Date
NL69932C true NL69932C (zh)

Family

ID=24298017

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL69932D NL69932C (zh)	1945-01-27

Country Status (6)

Country	Link
US (1)	US2490815A (zh)
BE (2)	BE463047A (zh)
CH (1)	CH269001A (zh)
ES (1)	ES172153A1 (zh)
FR (1)	FR920588A (zh)
NL (1)	NL69932C (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2631238A (en) *	1949-02-16	1953-03-10	Belmont Radio Corp	Antenna array
US4012742A (en) *	1975-12-29	1977-03-15	International Telephone And Telegraph Corporation	Multimode loop antenna
EP0184235A1 (en) *	1984-11-08	1986-06-11	Koninklijke Philips Electronics N.V.	Vor antenna design
US6515632B1 (en) *	2001-06-06	2003-02-04	Tdk Rf Solutions	Multiply-fed loop antenna
CN1435950A (zh) *	2002-01-29	2003-08-13	三美电机株式会社	电磁耦合型四点馈电环形天线
DE602005002501T2 (de) *	2004-07-13	2008-06-19	TDK Corp., Ichikawa	PxM-Antenne für leistungsstarke, breitbandige Anwendung
US20130201066A1 (en) *	2012-02-02	2013-08-08	Harris Corporation	Wireless communications device having loop antenna with four spaced apart coupling points and reflector and associated methods
US10811773B2 (en)	2017-09-29	2020-10-20	Pc-Tel, Inc.	Broadband kandoian loop antenna

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE388072C (de) *	1923-02-02	1924-01-09	Siemens & Halske Akt Ges	Ringfoermige Antenne
GB438506A (en) *	1934-02-15	1935-11-15	William Spencer Percival	Improvements in and relating to feeders and the like for electric currents of high frequency
NL45513C (zh) *	1935-11-09
GB475348A (en) *	1936-03-17	1937-11-17	Edward Cecil Cork	Improvements in or relating to wireless aerial systems
US2187014A (en) *	1937-03-13	1940-01-16	Telefunken Gmbh	Antenna transformer
US2289856A (en) *	1940-09-25	1942-07-14	Internat Telephone & Eadio Mfg	Broadcasting antenna system
BE469343A (zh) *	1941-07-12
BE479061A (zh) *	1942-10-07
US2393981A (en) *	1943-11-06	1946-02-05	Standard Telephones Cables Ltd	Shielded loop antenna
US2391026A (en) *	1943-11-15	1945-12-18	Standard Telephones Cables Ltd	Shielded loop antenna

0
- BE BE463048D patent/BE463048A/xx unknown
- NL NL69932D patent/NL69932C/xx active
- BE BE463047D patent/BE463047A/xx unknown
1945
- 1945-01-27 US US574878A patent/US2490815A/en not_active Expired - Lifetime
1946
- 1946-01-14 ES ES0172153A patent/ES172153A1/es not_active Expired
- 1946-01-22 FR FR920588D patent/FR920588A/fr not_active Expired
- 1946-01-25 CH CH269001D patent/CH269001A/de unknown

Also Published As

Publication number	Publication date
BE463048A (zh)
CH269001A (de)	1950-06-15
FR920588A (fr)	1947-04-11
US2490815A (en)	1949-12-13
BE463047A (zh)
ES172153A1 (es)	1946-02-16

Publication	Publication Date	Title
FR955898A (zh)	1950-01-20
DE2462615A1 (zh)
FR958632A (zh)	1950-03-15
FR957388A (zh)	1950-02-18
FR915350A (zh)	1946-11-26
FR958074A (zh)	1950-03-03
FR958043A (zh)	1950-03-02
FR1019578A (zh)	1953-01-23
FR958723A (zh)	1950-03-17
FR55254E (zh)	1952-01-09
FR915005A (zh)	1946-10-24
FR895950A (zh)	1945-02-12
FR895900A (zh)	1945-02-14
NL30345C (zh)
BE462699A (zh)
BE466460A (zh)
BE464644A (zh)
BE463711A (zh)
BE462592A (zh)
BE470182A (zh)
BE479147A (zh)
NL66837C (zh)
BE458649A (zh)
NL73971C (zh)
BE458157A (zh)