US 12,080,933 B2
Signal transmission device
Yutaka Uematsu, Tokyo (JP); and Hideyuki Sakamoto, Hitachinaka (JP)
Assigned to Hitachi Astemo, Ltd., Hitachinaka (JP)
Appl. No. 17/421,796
Filed by Hitachi Astemo, Ltd., Hitachinaka (JP)
PCT Filed Dec. 20, 2019, PCT No. PCT/JP2019/050024
§ 371(c)(1), (2) Date Jul. 9, 2021,
PCT Pub. No. WO2020/149101, PCT Pub. Date Jul. 23, 2020.
Claims priority of application No. 2019-005207 (JP), filed on Jan. 16, 2019.
Prior Publication US 2022/0094028 A1, Mar. 24, 2022
Int. Cl. H03H 7/38 (2006.01); H01P 1/20 (2006.01); H01P 1/203 (2006.01); H01P 1/213 (2006.01); H04N 21/61 (2011.01); H05K 1/02 (2006.01); H05K 3/42 (2006.01); H05K 3/46 (2006.01)
CPC H01P 1/203 (2013.01) [H01P 1/2007 (2013.01); H01P 1/213 (2013.01); H04N 21/61 (2013.01); H05K 1/025 (2013.01); H05K 3/429 (2013.01); H05K 3/46 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A signal transmission device comprising:
a signal wiring;
a wide wiring that is formed continuously with the signal wiring and has a wiring width larger than a wiring width of the signal wiring;
a branch wiring that is branched from the wide wiring;
a signal/power separation filter that is connected to the branch wiring;
a power wiring that is connected to the branch wiring via the signal/power separation filter; and
an open stub wiring that is connected to the branch wiring and has an open tip.