S
Shigeki Akatsuka
Researcher at Takeda Pharmaceutical Company
Publications - 1
Citations - 18
Shigeki Akatsuka is an academic researcher from Takeda Pharmaceutical Company. The author has contributed to research in topics: Band-stop filter & Voltage-controlled filter. The author has an hindex of 1, co-authored 1 publications receiving 18 citations.
Papers
More filters
Patent
Filter having an automatically controlled variable cut-off frequency
TL;DR: In this paper, the output level of a filter circuit is detected by a level detector, the output of which electrically controls a variable element such as a variable resistor, a variable capacitance diode or the like which is included in the filter circuit.