NL81638C - - Google Patents

Info

Publication number: NL81638C
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.)

1948-10-01

Publication of NL81638C publication Critical patent/NL81638C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/06—Refracting or diffracting devices, e.g. lens, prism comprising plurality of wave-guiding channels of different length

NL81638D 1948-10-01 NL81638C (id)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US52349A US2596251A (en)	1948-10-01	1948-10-01	Wave guide lens system

Publications (1)

Publication Number	Publication Date
NL81638C true NL81638C (id)

Family

ID=21977033

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL81638D NL81638C (id)	1948-10-01
NL666609200A NL148874B (nl)	1948-10-01		Werkwijze voor het bereiden van een derivaat van 9,10-ethano-9,10-dihydroantraceen, dat op de 11-plaats gesubstitueerd is en een anticholinergische en antihistamine werking heeft en kan worden gebruikt ter behandeling van de ziekte van parkinson, werkwijze voor het bereiden van een geneesmiddel, dat dit derivaat bevat en gevormd geneesmiddel.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL666609200A NL148874B (nl)	1948-10-01		Werkwijze voor het bereiden van een derivaat van 9,10-ethano-9,10-dihydroantraceen, dat op de 11-plaats gesubstitueerd is en een anticholinergische en antihistamine werking heeft en kan worden gebruikt ter behandeling van de ziekte van parkinson, werkwijze voor het bereiden van een geneesmiddel, dat dit derivaat bevat en gevormd geneesmiddel.

Country Status (3)

Country	Link
US (1)	US2596251A (id)
FR (1)	FR995899A (id)
NL (2)	NL148874B (id)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2749443A (en) *	1951-08-22	1956-06-05	Robert H Dicke	Molecular resonance system
US2841793A (en) *	1953-01-22	1958-07-01	Jr Cornelius Bryant Young	Microwave lens
US2897461A (en) *	1953-09-14	1959-07-28	Boeing Co	Wave guide construction
DE1068321B (id) *	1957-12-19	1959-11-05
NL288228A (id) *	1962-02-23
CA1100625A (en) *	1977-04-01	1981-05-05	Leland H. Hemming	Plane wave lens
US4640585A (en) *	1983-04-28	1987-02-03	Canon Kabushiki Kaisha	Semiconductor thin film lens

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2129669A (en) *	1937-03-30	1938-09-13	Bell Telephone Labor Inc	Guided wave transmission
US2283935A (en) *	1938-04-29	1942-05-26	Bell Telephone Labor Inc	Transmission, radiation, and reception of electromagnetic waves
US2461005A (en) *	1940-04-05	1949-02-08	Bell Telephone Labor Inc	Ultra high frequency transmission
US2415807A (en) *	1942-01-29	1947-02-18	Sperry Gyroscope Co Inc	Directive electromagnetic radiator
US2411872A (en) *	1942-06-11	1946-12-03	Bell Telephone Labor Inc	Microwave directive antenna
US2464269A (en) *	1942-06-12	1949-03-15	Raytheon Mfg Co	Method and means for controlling the polarization of radiant energy
US2473613A (en) *	1942-07-09	1949-06-21	Raytheon Mfg Co	Communication system
US2447768A (en) *	1942-07-22	1948-08-24	Bell Telephone Labor Inc	Microwave antenna
US2425488A (en) *	1943-07-03	1947-08-12	Rca Corp	Horn antenna
US2442951A (en) *	1944-05-27	1948-06-08	Rca Corp	System for focusing and for directing radio-frequency energy
GB598494A (en) *	1944-11-16	1948-02-19	Hazeltine Corp	High-frequency electromagnetic-wave translating element
US2511610A (en) *	1944-11-16	1950-06-13	Hazeltine Research Inc	High-frequency electromagneticwave translating element
US2508479A (en) *	1944-11-16	1950-05-23	Hazeltine Research Inc	High-frequency electromagneticwave translating arrangement
US2528582A (en) *	1947-10-30	1950-11-07	Rca Corp	Lens for focusing radio waves

0
- NL NL81638D patent/NL81638C/xx active
- NL NL666609200A patent/NL148874B/xx unknown
1948
- 1948-10-01 US US52349A patent/US2596251A/en not_active Expired - Lifetime
1949
- 1949-09-21 FR FR995899D patent/FR995899A/fr not_active Expired

Also Published As

Publication number	Publication date
NL148874B (nl)
US2596251A (en)	1952-05-13
FR995899A (fr)	1951-12-10

Publication	Publication Date	Title
AT165629B (id)	1950-03-25
AT165757B (id)	1950-04-25
AT166638B (id)	1950-08-25
BE267826A (id)
BE393137A (id)
BE404066A (id)
BE412124A (id)
BE429008A (id)
BE43050A (id)
BE461649A (id)
BE469104A (id)
BE477919A (id)
BE478011A (id)
BE478240A (id)
BE479349A (id)	1948-01-31
BE479350A (id)
BE479540A (id)
BE479713A (id)
BE479830A (id)
BE479891A (id)
BE480221A (id)
BE480353A (id)
BE480366A (id)
BE480805A (id)
BE480956A (id)