GB2233086B - Apparatus and method for optical encoding - Google Patents
Apparatus and method for optical encodingInfo
- Publication number
- GB2233086B GB2233086B GB9010747A GB9010747A GB2233086B GB 2233086 B GB2233086 B GB 2233086B GB 9010747 A GB9010747 A GB 9010747A GB 9010747 A GB9010747 A GB 9010747A GB 2233086 B GB2233086 B GB 2233086B
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical encoding
- encoding
- optical
- Prior art date
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/0304—Detection arrangements using opto-electronic means
- G06F3/0312—Detection arrangements using opto-electronic means for tracking the rotation of a spherical or circular member, e.g. optical rotary encoders used in mice or trackballs using a tracking ball or in mouse scroll wheels
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/002—Provisions or arrangements for saving power, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains or by selectively turning on stages when needed
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
- Optical Transform (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35741989A | 1989-05-24 | 1989-05-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9010747D0 GB9010747D0 (en) | 1990-07-04 |
GB2233086A GB2233086A (en) | 1991-01-02 |
GB2233086B true GB2233086B (en) | 1993-10-13 |
Family
ID=23405512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9010747A Expired - Fee Related GB2233086B (en) | 1989-05-24 | 1990-05-14 | Apparatus and method for optical encoding |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPH03102215A (en) |
AU (1) | AU624508B2 (en) |
CA (1) | CA2017486A1 (en) |
DE (1) | DE4015913A1 (en) |
GB (1) | GB2233086B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4042302A1 (en) * | 1990-12-31 | 1992-07-09 | Bodenseewerk Geraetetech | Switch position sensor - measures position of switchable, control component and incorporates optical transmitter fed with different frequencies |
US5359348A (en) * | 1992-05-21 | 1994-10-25 | Selectech, Ltd. | Pointing device having improved automatic gain control and information reporting |
JP2806198B2 (en) * | 1993-03-30 | 1998-09-30 | 三菱電機株式会社 | Encoder device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2185812B (en) * | 1985-08-27 | 1989-08-09 | Peter Howard Jackson | Optical reading device |
-
1990
- 1990-05-14 GB GB9010747A patent/GB2233086B/en not_active Expired - Fee Related
- 1990-05-17 DE DE4015913A patent/DE4015913A1/en not_active Withdrawn
- 1990-05-23 AU AU55789/90A patent/AU624508B2/en not_active Ceased
- 1990-05-24 CA CA002017486A patent/CA2017486A1/en not_active Abandoned
- 1990-05-24 JP JP2132777A patent/JPH03102215A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE4015913A1 (en) | 1990-11-29 |
JPH03102215A (en) | 1991-04-26 |
CA2017486A1 (en) | 1990-11-24 |
AU5578990A (en) | 1990-11-29 |
GB2233086A (en) | 1991-01-02 |
GB9010747D0 (en) | 1990-07-04 |
AU624508B2 (en) | 1992-06-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19970514 |