Patent ID: 11933813
Assignee: ROHM CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A wind measuring system comprising:
a first flow sensor; and
a plurality of second flow sensors, wherein
the first flow sensor and the plurality of second flow sensors each include a microheater including a board, an insulating film, and a heater,
the board includes a first principal surface and a second principal surface opposite to the first principal surface,
the board has defined therein an opening portion passing through the board along a direction from the first principal surface toward the second principal surface,
the insulating film includes a peripheral portion disposed on the first principal surface, a central portion having the heater disposed thereon, and a connection portion extending from the central portion to be connected to the peripheral portion to support the central portion over the opening portion,
the first flow sensor and the plurality of second flow sensors are each configured to output a signal that varies according to a change in electrical resistance value of the heater,
the microheater of the first flow sensor is disposed such that the direction from the first principal surface toward the second principal surface is along a first direction,
in each of the plurality of second flow sensors, the microheater is disposed such that the first principal surface and the second principal surface are each perpendicular to a plane perpendicular to the first direction, and
a direction from the second principal surface toward the first principal surface in the microheater of each of the plurality of second flow sensors forms a different angle with a second direction perpendicular to the first direction.