JPWO2020234995A1 - - Google Patents
Info
- Publication number
- JPWO2020234995A1 JPWO2020234995A1 JP2021519937A JP2021519937A JPWO2020234995A1 JP WO2020234995 A1 JPWO2020234995 A1 JP WO2020234995A1 JP 2021519937 A JP2021519937 A JP 2021519937A JP 2021519937 A JP2021519937 A JP 2021519937A JP WO2020234995 A1 JPWO2020234995 A1 JP WO2020234995A1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
- H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
- H03M1/1023—Offset correction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
- H03M1/56—Input signal compared with linear ramp
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2019/020097 WO2020234995A1 (ja) | 2019-05-21 | 2019-05-21 | 自己校正機能付きａｄコンバータ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2020234995A1 true JPWO2020234995A1 (https=) | 2020-11-26 |
| JP7315868B2 JP7315868B2 (ja) | 2023-07-27 |
Family
ID=73459080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021519937A Active JP7315868B2 (ja) | 2019-05-21 | 2019-05-21 | 自己校正機能付きａｄコンバータ |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US11770127B2 (https=) |
| JP (1) | JP7315868B2 (https=) |
| WO (1) | WO2020234995A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11714437B2 (en) * | 2019-05-28 | 2023-08-01 | Nippon Telegraph And Telephone Corporation | Variable reference voltage source |
| JP7530007B2 (ja) * | 2020-06-03 | 2024-08-07 | 日本電信電話株式会社 | Ａｄコンバータ |
| US12470227B2 (en) * | 2021-06-16 | 2025-11-11 | Ntt, Inc. | Self-calibration-function-equipped A/D converter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0575465A (ja) * | 1991-09-12 | 1993-03-26 | Hitachi Ltd | フイールド機器用ａ／ｄ変換器 |
| US20050197796A1 (en) * | 2004-08-16 | 2005-09-08 | Daigle Clayton H. | Calibrating analog-to-digital systems using a precision reference and a pulse-width modulation circuit to reduce local and large signal nonlinearities |
| JP2010010921A (ja) * | 2008-06-25 | 2010-01-14 | Fujitsu Ltd | Ａｄ変換装置及びａｄ変換方法 |
| JP2010199799A (ja) * | 2009-02-24 | 2010-09-09 | Renesas Electronics Corp | アナログデジタル変換回路 |
| JP2015204541A (ja) * | 2014-04-15 | 2015-11-16 | 日本電信電話株式会社 | センサ回路 |
| JP2020080456A (ja) * | 2018-11-12 | 2020-05-28 | 日本電信電話株式会社 | 自己校正機能付きａｄコンバータ |
| JP2020085533A (ja) * | 2018-11-19 | 2020-06-04 | 日本電信電話株式会社 | 可変基準電圧源 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5117227A (en) * | 1991-09-27 | 1992-05-26 | Hewlett-Packard Company | Continuously integrating high-resolution analog-to-digital converter |
| EP2629428A1 (en) * | 2012-02-16 | 2013-08-21 | Imec | A/D Converter and Method for Calibrating the Same |
-
2019
- 2019-05-21 JP JP2021519937A patent/JP7315868B2/ja active Active
- 2019-05-21 WO PCT/JP2019/020097 patent/WO2020234995A1/ja not_active Ceased
- 2019-05-21 US US17/608,106 patent/US11770127B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0575465A (ja) * | 1991-09-12 | 1993-03-26 | Hitachi Ltd | フイールド機器用ａ／ｄ変換器 |
| US20050197796A1 (en) * | 2004-08-16 | 2005-09-08 | Daigle Clayton H. | Calibrating analog-to-digital systems using a precision reference and a pulse-width modulation circuit to reduce local and large signal nonlinearities |
| JP2010010921A (ja) * | 2008-06-25 | 2010-01-14 | Fujitsu Ltd | Ａｄ変換装置及びａｄ変換方法 |
| JP2010199799A (ja) * | 2009-02-24 | 2010-09-09 | Renesas Electronics Corp | アナログデジタル変換回路 |
| JP2015204541A (ja) * | 2014-04-15 | 2015-11-16 | 日本電信電話株式会社 | センサ回路 |
| JP2020080456A (ja) * | 2018-11-12 | 2020-05-28 | 日本電信電話株式会社 | 自己校正機能付きａｄコンバータ |
| JP2020085533A (ja) * | 2018-11-19 | 2020-06-04 | 日本電信電話株式会社 | 可変基準電圧源 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020234995A1 (ja) | 2020-11-26 |
| US11770127B2 (en) | 2023-09-26 |
| US20220337262A1 (en) | 2022-10-20 |
| JP7315868B2 (ja) | 2023-07-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20211102 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230131 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230302 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230613 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230626 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7315868 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |