Title:
LIGHT SOURCE DRIVING CIRCUIT AND DISTANCE MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/191014
Kind Code:
A1
Abstract:
The light source driving circuit pertaining to the present disclosure comprises a first delay circuit (10) that imparts a delay at a first time resolution on the basis of a clock signal to an inputted signal, and a second delay circuit (20) that is connected in series with the first delay circuit and imparts, to the inputted signal, a delay at a second time resolution having different precision than the first time resolution on the basis of the clock signal, and outputs the delayed signal as a signal for driving a light source.
More Like This:
Inventors:
MASUDA TAKASHI (JP)
SUZUKI DAISUKE (JP)
TABATA MITSUSHI (JP)
OKAMOTO KOICHI (JP)
HIYAMA KOUTA (JP)
SUZUKI DAISUKE (JP)
TABATA MITSUSHI (JP)
OKAMOTO KOICHI (JP)
HIYAMA KOUTA (JP)
Application Number:
PCT/JP2022/008990
Publication Date:
September 15, 2022
Filing Date:
March 02, 2022
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G01C3/06; G01S7/484; H03K5/13; H03K19/0175; H03L7/08
Domestic Patent References:
| WO2020129947A1 | 2020-06-25 | |||
| WO2007086275A1 | 2007-08-02 |
Foreign References:
| JPS5970019A | 1984-04-20 | |||
| JP2013074351A | 2013-04-22 | |||
| JP2007221750A | 2007-08-30 | |||
| JP2005311543A | 2005-11-04 | |||
| JP2018113501A | 2018-07-19 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF: