G01S3/8003 - CPC Classification Index

ClassID:

172334 ⎘

G01S3/8003 - CPC Classification

Classification description:

Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves Diversity systems specially adapted for direction finding

Recent Application in this class:

20230164503

Orientation-Based Playback Device Microphone Selection

20220146617

System to determine direction toward user

20220113363

Direction of arrival estimation

20210219082

Orientation-based playback device microphone selection

20210031378

INFORMATION PROCESSOR, INFORMATION PROCESSING METHOD, AND PROGRAM

20210003656

Wideband acoustic positioning with precision calibration and joint parameter estimation

20190293743

Direction of arrival estimation

20190281399

Orientation-based playback device microphone selection

20190214003

Speech interaction device

20190052985

Orientation-based playback device microphone selection

20180227688

Orientation-based playback device microphone selection

20180098167

Multi-orientation playback device microphones

20170259737

Method for providing sound detection information, apparatus detecting sound around vehicle, and vehicle including the same

20150301153

Sensing direction and distance

20050088915

Gun shot digital imaging system

14201897

Device positioning using acoustic and radio signals