US 12,328,156 B2
Apparatus comprising a transmission line for radio frequency signals
Dirk Wiegner, Schwaikheim (DE); Wolfgang Templ, Sersheim (DE); Senad Bulja, Dublin (IE); and Rose Kopf, Green Brook, NJ (US)
Assigned to Nokia Solutions & Networks Oy, Espoo (FI)
Appl. No. 17/796,000
Filed by Nokia Solutions and Networks Oy, Espoo (FI)
PCT Filed Jan. 22, 2021, PCT No. PCT/IB2021/050497
§ 371(c)(1), (2) Date Jul. 28, 2022,
PCT Pub. No. WO2021/152438, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. 20154674 (EP), filed on Jan. 30, 2020.
Prior Publication US 2023/0055602 A1, Feb. 23, 2023
Int. Cl. H04B 3/50 (2006.01); H01P 3/16 (2006.01); H03F 1/02 (2006.01); H03F 1/56 (2006.01); H03F 3/24 (2006.01); H03F 3/60 (2006.01)
CPC H04B 3/50 (2013.01) [H01P 3/16 (2013.01); H03F 1/0272 (2013.01); H03F 1/56 (2013.01); H03F 3/245 (2013.01); H03F 3/601 (2013.01); H03F 2200/423 (2013.01); H03F 2200/451 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a first transmission line for transmitting radio frequency signals; and
a radio frequency device comprising at least one active semiconductor device configured for processing radio frequency signals,
wherein said radio frequency device is coupled to said first transmission line, and wherein said first transmission line comprises an electro-chromic material comprising a permittivity which is controllable with applying a first control voltage to said first transmission line.