NL159215B - Inrichting voor radio-ontvangst en magnetische opname en/of weergave. - Google Patents

Inrichting voor radio-ontvangst en magnetische opname en/of weergave.

Info

Publication number
NL159215B
NL159215B NL6704147.A NL159215DA NL159215B NL 159215 B NL159215 B NL 159215B NL 159215D A NL159215D A NL 159215DA NL 159215 B NL159215 B NL 159215B
Authority
NL
Netherlands
Prior art keywords
playback
magnetic recording
radio reception
reception
radio
Prior art date
Application number
NL6704147.A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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.)
Publication of NL159215B publication Critical patent/NL159215B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
    • H01Q19/13—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/132—Horn reflector antennas; Off-set feeding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
NL6704147.A 1951-02-12 Inrichting voor radio-ontvangst en magnetische opname en/of weergave. NL159215B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL304752X 1951-02-12

Publications (1)

Publication Number Publication Date
NL159215B true NL159215B (nl)

Family

ID=19783448

Family Applications (2)

Application Number Title Priority Date Filing Date
NL82652D NL82652C (enrdf_load_stackoverflow) 1951-02-12
NL6704147.A NL159215B (nl) 1951-02-12 Inrichting voor radio-ontvangst en magnetische opname en/of weergave.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL82652D NL82652C (enrdf_load_stackoverflow) 1951-02-12

Country Status (6)

Country Link
BE (1) BE509143A (enrdf_load_stackoverflow)
CH (1) CH304752A (enrdf_load_stackoverflow)
DE (1) DE943776C (enrdf_load_stackoverflow)
FR (1) FR1050730A (enrdf_load_stackoverflow)
GB (1) GB690915A (enrdf_load_stackoverflow)
NL (2) NL159215B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1291750A (fr) * 1961-03-17 1962-04-27 Csf Antenne plate pour radar à impulsion unique

Also Published As

Publication number Publication date
FR1050730A (fr) 1954-01-11
DE943776C (de) 1956-06-01
BE509143A (enrdf_load_stackoverflow)
NL82652C (enrdf_load_stackoverflow)
GB690915A (en) 1953-04-29
CH304752A (de) 1955-01-31

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