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
  • H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
  • H01Q19/30—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
• • 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
  • H01Q19/02—Details
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
  • F16C2300/00—Application independent of particular apparatuses
  • F16C2300/10—Application independent of particular apparatuses related to size
  • F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm

Applications Claiming Priority (1)

Publications (1)

Family

ID=7093572

Family Applications (1)

Country Status (8)

• 1966
  • 1966-04-28 DE DEF30027U patent/DE1945244U/de not_active Expired
  • 1966-08-22 ES ES0330466A patent/ES330466A1/es not_active Expired
  • 1966-10-24 NL NL6615009A patent/NL6615009A/xx unknown
  • 1966-10-25 BE BE688859D patent/BE688859A/xx unknown
• 1967
  • 1967-01-30 AT AT86267A patent/AT270755B/de active
  • 1967-02-15 CH CH217367A patent/CH470769A/de unknown
  • 1967-02-15 GB GB7228/67A patent/GB1149544A/en not_active Expired
  • 1967-03-15 FR FR98850A patent/FR1519925A/fr not_active Expired

Also Published As

Similar Documents