Legal status (The legal status 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 status listed.)
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Tagra SA
Original Assignee
Tagra SA
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Publication date
Application filed by Tagra SAfiledCriticalTagra SA
Priority to ES1981261983UpriorityCriticalpatent/ES261983Y/en
Publication of ES261983UpublicationCriticalpatent/ES261983U/en
Application grantedgrantedCritical
Publication of ES261983YpublicationCriticalpatent/ES261983Y/en
Variable-Direction Aerials And Aerial Arrays
(AREA)
Abstract
Improved device for adjusting antennas, especially for radio transmitting and receiving antennas, essentially characterized in that it comprises a bushing integral with the antenna rod on which the coil is wound, because said bushing has on its outer surface a scraped area, and because on the aforementioned bushing there is a metallic tubular part threaded internally, and that being rotated in one direction or another slides longitudinally on the coil by varying the induction thereof to obtain the adjustment of the antenna. (Machine-translation by Google Translate, not legally binding)
ES1981261983U1981-12-111981-12-11
PERFECTED DEVICE FOR ADJUSTING ANTENNAS.
ExpiredES261983Y
(en)
Improvements in the object of the main patent number 478,566, for perfection in wide band antennas for communications by hertzian waves. (Machine-translation by Google Translate, not legally binding)