US 12,449,461 B2
Charge sensor
Jun Kamioka, Tokyo (JP); and Koji Yamanaka, Tokyo (JP)
Assigned to MITSUBISHI ELECTRIC CORPORATION, Tokyo (JP)
Filed by Mitsubishi Electric Corporation, Tokyo (JP)
Filed on Sep. 25, 2023, as Appl. No. 18/372,416.
Application 18/372,416 is a continuation of application No. PCT/JP2021/020318, filed on May 28, 2021.
Prior Publication US 2024/0012041 A1, Jan. 11, 2024
Int. Cl. G01R 29/24 (2006.01); H03F 1/56 (2006.01); H03H 7/40 (2006.01)
CPC G01R 29/24 (2013.01) [H03F 1/565 (2013.01); H03H 7/40 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A charge sensor comprising:
a quantum dot having a first end connected to an input terminal via a first tunnel junction and a second end connected to an output terminal via a second tunnel junction; and
an inductor connected in parallel to the quantum dot.