公开(公告)号：US20210259565A1

公开(公告)日：2021-08-26

申请号：US17316760

申请日：2021-05-11

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yumiko OHNO ,  Kenji NARUMI ,  Tsuguhiro KORENAGA ,  Jin MURAOKA ,  Satoshi ARIMOTO ,  Takamasa ANDO

IPC: A61B5/026 ,  A61B5/00 ,  H04N5/374

Abstract: A biometric apparatus includes a light source, an image sensor, a control circuit, and a signal processing circuit. The control circuit causes a light source to repeatedly emit a light pulse radiated onto a target part including a head of a target, causes an image sensor to receive a reflected light pulse which is caused as the light pulse is radiated onto the target part, causes the image sensor to output first image data indicating appearance of a face of the target, and causes the image sensor to output second image data according to distribution of an amount of light of at least one of components of the reflected light pulse. The signal processing circuit generates data indicating a state of the target based on a temporal change in the first image data and a temporal change in the second image data and outputs the data.

公开(公告)号：US20190243092A1

公开(公告)日：2019-08-08

申请号：US16387334

申请日：2019-04-17

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Norihiro IMAMURA ,  Michihiro YAMAGATA ,  Tsuguhiro KORENAGA

IPC: G02B13/00 ,  A61B5/00 ,  H04N5/232 ,  G03B13/36 ,  G03B15/00 ,  H04N9/04 ,  H04N5/369 ,  H04N5/225 ,  G02B5/20 ,  G02B3/00

CPC classification number: G02B13/0015 ,  A61B5/0077 ,  A61B2562/0233 ,  A61B2562/066 ,  G02B3/005 ,  G02B5/20 ,  G03B13/36 ,  G03B15/00 ,  H04N5/2254 ,  H04N5/23212 ,  H04N5/23219 ,  H04N5/3696 ,  H04N9/045 ,  H04N13/218

Abstract: An imaging apparatus includes a lens optical system, a color image sensor that includes at least first pixels and second pixels, and a first optical element array disposed between the lens optical system and the color image sensor. In the imaging apparatus, the lens optical system includes optical regions, and the optical regions include a first optical region and a second optical region that differ in terms of at least one selected from the group of spectral transmittance characteristics and transmissive polarization characteristics. The first pixels include respective spectral filters having mutually different spectral transmittance characteristics, and the second pixels include respective spectral filters having at least one type of spectral transmittance characteristics. The first optical element array directs light that has passed through the first optical region to the first pixels and directs light that has passed through the second optical region to the second pixels.

公开(公告)号：US20190028660A1

公开(公告)日：2019-01-24

申请号：US16131605

申请日：2018-09-14

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Takamasa ANDO ,  Tsuguhiro KORENAGA ,  Toshiya FUJII

IPC: H04N5/33 ,  A61B5/1455 ,  A61B5/00 ,  H04N5/353 ,  A61B5/026 ,  H04N5/355 ,  H04N5/225

CPC classification number: H04N5/332 ,  A61B5/0261 ,  A61B5/1455 ,  A61B5/4064 ,  H04N5/2256 ,  H04N5/353 ,  H04N5/3532 ,  H04N5/3559 ,  H04N2005/2255

Abstract: An imaging apparatus including a light source that, in operation, emits pulsed light to a measurement target; a diffusion member that is disposed between the light source and the measurement target, and diffuses the pulsed light; an image sensor that includes at least one pixel, the at least one pixel including a photodiode and a charge accumulator that, in operation, accumulates signal charge from the photodiode; and a control circuit that, in operation, controls the image sensor. The control circuit causes the image sensor to start to accumulate the signal charge with the charge accumulator in a falling period of a returned pulsed light which is returned from the measurement target to the image sensor due to the emission of the pulsed light, the falling period being a period from start to end of a decrease of an intensity of the returned pulsed light.