| 摘要 |
PCT No. PCT/NL95/00220 Sec. 371 Date Mar. 7, 1997 Sec. 102(e) Date Mar. 7, 1997 PCT Filed Jun. 22, 1995 PCT Pub. No. WO96/00488 PCT Pub. Date Jan. 4, 1996A fluid flow measuring device as a microphone for detecting acoustic waves includes at least one heating element (H), at least a first temperature sensor (S1) arranged at a first predetermined spacing (r1) from the heating element (H), for generation of a first electrical signal which corresponds to the temperature (T1) of the first temperature sensor (S1), wherein the predetermined first spacing (r1) is less than 300 mu m. |
