Title:
PULSE TRANSFORMER
Document Type and Number:
Japanese Patent JP2017017062
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pulse transformer that can achieve both an increase in inductance (L value) and miniaturization.SOLUTION: The pulse transformer has a winding core portion 22 and a coil portion 40 including a primary coil 40a and a secondary coil 40b formed around the winding core portion 22. The primary coil 40a has a first wire 41 and a second wire 42. The secondary coil 40b has a third wire 43 and a fourth wire 44. The coil unit 40 includes a first layer 401 formed of a first wire 41, a second layer 402 disposed on the outer periphery of the first layer 401 and formed with a third wire 43, a third layer 403 disposed on the outer periphery of the second layer 402 and formed of the second wire 42, and a fourth layer 404 formed of the fourth wire 44 arranged on the outer periphery of the third layer 403.SELECTED DRAWING: Figure 2
Inventors:
ASHIZAWA SHUN
TAKAGI NOBUO
TSUCHIDA SETSU
MIKOGAMI YU
TAKAGI NOBUO
TSUCHIDA SETSU
MIKOGAMI YU
Application Number:
JP2015128945A
Publication Date:
January 19, 2017
Filing Date:
June 26, 2015
Export Citation:
Assignee:
TDK CORP
International Classes:
H01F19/04; H01F17/04; H01F27/28
Domestic Patent References:
| JP2015065272A | 2015-04-09 | |||
| JP2010534947A | 2010-11-11 | |||
| JPH0330419U | 1991-03-26 | |||
| JPS62174321U | 1987-11-05 | |||
| JP2010199223A | 2010-09-09 |
Attorney, Agent or Firm:
Maeda/Suzuki International Patent Corporation