NL7401590A - - Google Patents
Info
- Publication number
- NL7401590A NL7401590A NL7401590A NL7401590A NL7401590A NL 7401590 A NL7401590 A NL 7401590A NL 7401590 A NL7401590 A NL 7401590A NL 7401590 A NL7401590 A NL 7401590A NL 7401590 A NL7401590 A NL 7401590A
- Authority
- NL
- Netherlands
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
- H01Q9/14—Length of element or elements adjustable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/19698—Spiral
- Y10T74/19702—Screw and nut
- Y10T74/19712—Threadless
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/19698—Spiral
- Y10T74/19702—Screw and nut
- Y10T74/19744—Rolling element engaging thread
- Y10T74/19781—Non-recirculating rolling elements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00329792A US3824600A (en) | 1973-02-05 | 1973-02-05 | Tuning mechanism for a helix/cylinder antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7401590A true NL7401590A (en) | 1974-08-07 |
Family
ID=23287039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7401590A NL7401590A (en) | 1973-02-05 | 1974-02-05 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3824600A (en) |
NL (1) | NL7401590A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4495503A (en) * | 1982-02-19 | 1985-01-22 | Morman William H | Slow wave antenna |
US4792987A (en) * | 1985-01-09 | 1988-12-20 | Starke Electronics, Inc. | Antenna coupling amplifier and converter system |
US4847627A (en) * | 1987-09-08 | 1989-07-11 | Lockheed Corporation | Compact wave antenna system |
WO1993022804A1 (en) * | 1992-04-24 | 1993-11-11 | Industrial Research Limited | Steerable beam helix antenna |
US5943027A (en) * | 1997-10-03 | 1999-08-24 | Motorola, Inc. | Telescopic antenna assembly |
GB2368466B (en) * | 2000-10-23 | 2002-11-06 | Motorola Israel Ltd | Antenna |
US6791504B1 (en) * | 2003-03-12 | 2004-09-14 | R. A. Miller Industries, Inc. | Tunable antenna system |
KR101135606B1 (en) * | 2011-02-09 | 2012-04-17 | 인팩일렉스 주식회사 | Small antenna for vehicle |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3300749A (en) * | 1965-09-27 | 1967-01-24 | Itt | Devices for engaging for relative movement the turns of a helical element |
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1973
- 1973-02-05 US US00329792A patent/US3824600A/en not_active Expired - Lifetime
-
1974
- 1974-02-05 NL NL7401590A patent/NL7401590A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US3824600A (en) | 1974-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |