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
Application number
NL7401590A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of NL7401590A publication Critical patent/NL7401590A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/06Details
    • H01Q9/14Length of element or elements adjustable
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/19Gearing
    • Y10T74/19642Directly cooperating gears
    • Y10T74/19698Spiral
    • Y10T74/19702Screw and nut
    • Y10T74/19712Threadless
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/19Gearing
    • Y10T74/19642Directly cooperating gears
    • Y10T74/19698Spiral
    • Y10T74/19702Screw and nut
    • Y10T74/19744Rolling element engaging thread
    • Y10T74/19781Non-recirculating rolling elements
NL7401590A 1973-02-05 1974-02-05 NL7401590A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3824600A (en) 1974-07-16

Similar Documents

Publication Publication Date Title
AR201758A1 (en)
AU476761B2 (en)
AR201235Q (en)
AR201231Q (en)
AU474511B2 (en)
AU476714B2 (en)
AR201229Q (en)
AR199451A1 (en)
AU477823B2 (en)
AU477824B2 (en)
AU471461B2 (en)
AR200256A1 (en)
AR200885A1 (en)
AR201432A1 (en)
AR197627A1 (en)
AR196382A1 (en)
AU476873B1 (en)
AR210729A1 (en)
AR195948A1 (en)
AR193950A1 (en)
AR195311A1 (en)
AR196123Q (en)
AR196212Q (en)
BG19568A1 (en)
AU479404A (en)

Legal Events

Date Code Title Description
BV The patent application has lapsed