NL184706B - Fotoelektrische toerentalmeetinrichting. - Google Patents
Fotoelektrische toerentalmeetinrichting.Info
- Publication number
- NL184706B NL184706B NLAANVRAGE7811702,A NL184706DA NL184706B NL 184706 B NL184706 B NL 184706B NL 184706D A NL184706D A NL 184706DA NL 184706 B NL184706 B NL 184706B
- Authority
- NL
- Netherlands
- Prior art keywords
- photo
- speed measurement
- electric speed
- electric
- measurement
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0037—Particular feeding systems linear waveguide fed arrays
- H01Q21/0043—Slotted waveguides
- H01Q21/0062—Slotted waveguides the slots being disposed around the feeding waveguide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/12—Longitudinally slotted cylinder antennas; Equivalent structures
-
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US334142A US2744249A (en) | 1953-01-30 | 1953-01-30 | Antenna feed systems |
Publications (1)
Publication Number | Publication Date |
---|---|
NL184706B true NL184706B (nl) |
Family
ID=23305775
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7811702,A NL184706B (nl) | 1953-01-30 | Fotoelektrische toerentalmeetinrichting. | |
NL91730D NL91730C (xx) | 1953-01-30 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL91730D NL91730C (xx) | 1953-01-30 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2744249A (xx) |
BE (1) | BE526052A (xx) |
CH (1) | CH330332A (xx) |
DE (1) | DE1009678B (xx) |
FR (1) | FR1094683A (xx) |
GB (1) | GB739618A (xx) |
NL (2) | NL91730C (xx) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2947988A (en) * | 1955-03-29 | 1960-08-02 | Univ Ohio State Res Found | Traveling wave antenna |
US2927318A (en) * | 1956-12-03 | 1960-03-01 | Gen Dynamics Corp | Radar system |
US2973515A (en) * | 1957-04-05 | 1961-02-28 | Alford Andrew | Omnidirectional vertically polarized antenna |
US2971193A (en) * | 1957-06-21 | 1961-02-07 | Rca Corp | Multiple slot antenna having radiating termination |
US3321762A (en) * | 1964-05-27 | 1967-05-23 | Zucconi Bruno | Slot antenna array useful with top mounted beacon light and decoupled internal powerline |
US3638224A (en) * | 1970-04-24 | 1972-01-25 | Nasa | Stacked array of omnidirectional antennas |
US4297706A (en) * | 1980-03-17 | 1981-10-27 | Rca Corporation | Circularly polarized slotted pylon antenna |
FR2576692B1 (fr) * | 1985-01-25 | 1987-03-06 | Thomson Csf | Systeme de radio-navigation du type vor doppler comportant un empilement central d'elements rayonnants |
US4631544A (en) * | 1985-04-10 | 1986-12-23 | Tideland Signal Corporation | S-band coaxial slot array antenna |
US5809429A (en) * | 1995-09-22 | 1998-09-15 | Andrew Corporation | Radiating coaxial cable and radio communication system using same |
US6480163B1 (en) | 1999-12-16 | 2002-11-12 | Andrew Corporation | Radiating coaxial cable having helically diposed slots and radio communication system using same |
US6320555B1 (en) * | 2000-12-14 | 2001-11-20 | General Signal Corporation | Internally branch fed slotted coaxial antenna |
US8253636B2 (en) | 2005-11-28 | 2012-08-28 | Bae Systems Plc | Improvements relating to antenna arrays |
CN101536354A (zh) * | 2006-11-14 | 2009-09-16 | 艾利森电话股份有限公司 | 具有改进的辐射方向图的天线 |
JP7111624B2 (ja) * | 2016-12-28 | 2022-08-02 | ソニーセミコンダクタソリューションズ株式会社 | アンテナ素子、通信装置、及び通信方法 |
CN112054293B (zh) * | 2020-10-21 | 2023-03-24 | 北京字节跳动网络技术有限公司 | 电子设备 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2196187A (en) * | 1937-01-19 | 1940-04-09 | William R Blair | Directive antenna array |
US2464276A (en) * | 1943-08-03 | 1949-03-15 | Sperry Corp | Radiant energy directivity pattern scanner |
US2502155A (en) * | 1948-03-02 | 1950-03-28 | Charles L Jeffers | Low-angle radiation antenna |
US2658143A (en) * | 1950-03-16 | 1953-11-03 | Rca Corp | Ultrahigh-frequency broadcast antenna system |
-
0
- FR FR1094683D patent/FR1094683A/fr not_active Expired
- BE BE526052D patent/BE526052A/xx unknown
- NL NLAANVRAGE7811702,A patent/NL184706B/xx unknown
- NL NL91730D patent/NL91730C/xx active
-
1953
- 1953-01-30 US US334142A patent/US2744249A/en not_active Expired - Lifetime
-
1954
- 1954-01-13 GB GB1036/54A patent/GB739618A/en not_active Expired
- 1954-01-26 CH CH330332D patent/CH330332A/de unknown
- 1954-01-30 DE DER13474A patent/DE1009678B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
FR1094683A (xx) | 1955-05-23 |
GB739618A (en) | 1955-11-02 |
US2744249A (en) | 1956-05-01 |
DE1009678B (de) | 1957-06-06 |
CH330332A (de) | 1958-05-31 |
BE526052A (xx) | |
NL91730C (xx) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH346526A (de) | Destillierapparat | |
BE585436Q (fr) | Alpha-méthyl-phénylalanines. | |
NL177068B (nl) | Bietenrooi-inrichting. | |
NL184706B (nl) | Fotoelektrische toerentalmeetinrichting. | |
NL181352B (nl) | Heugellier. | |
CH326214A (fr) | Tachymètre | |
FR1135883A (fr) | Enregistreur de vitesse | |
NL180958B (nl) | Lengtemeetinrichting. | |
FR1076862A (fr) | Tachymètre potentiométrique | |
FR1081678A (fr) | Dynamomètre | |
FR1081501A (fr) | Variateur de vitesses oléomécanique | |
FR1078551A (fr) | Thermomètre | |
NL189480B (nl) | Vochtindicator. | |
FR65277E (fr) | Anémomètre | |
ES36939Y (es) | Cepillo de uñas | |
DK85069C (da) | Såsædsbejdse. | |
FR1112687A (fr) | Voyant tournant | |
AT183978B (de) | Drehzahl- oder Geschwindigkeitsmeßeinrichtung | |
AT182407B (de) | Weichenstellvorrichtung | |
DK84464C (da) | Plov. | |
DK82275C (da) | Grensaks. | |
DK80092C (da) | Sygestol. | |
DK82958C (da) | Magasingrammofon. | |
BE522280R (fr) | Automatische schouwtrekregelaar. | |
DK82051C (da) | Plantemaskine. |