JPH0372315U - - Google Patents
Info
- Publication number
- JPH0372315U JPH0372315U JP1989133918U JP13391889U JPH0372315U JP H0372315 U JPH0372315 U JP H0372315U JP 1989133918 U JP1989133918 U JP 1989133918U JP 13391889 U JP13391889 U JP 13391889U JP H0372315 U JPH0372315 U JP H0372315U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- rotating body
- light
- shaft
- light emitting
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
- G01D5/363—Direction discrimination
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
- Optical Transform (AREA)
- Facsimile Heads (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989133918U JPH0372315U (US20100056889A1-20100304-C00004.png) | 1989-11-20 | 1989-11-20 | |
| US07/606,010 US5087812A (en) | 1989-11-20 | 1990-10-30 | Incremental encoder with direction-indicating shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989133918U JPH0372315U (US20100056889A1-20100304-C00004.png) | 1989-11-20 | 1989-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0372315U true JPH0372315U (US20100056889A1-20100304-C00004.png) | 1991-07-22 |
Family
ID=15116131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989133918U Pending JPH0372315U (US20100056889A1-20100304-C00004.png) | 1989-11-20 | 1989-11-20 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5087812A (US20100056889A1-20100304-C00004.png) |
| JP (1) | JPH0372315U (US20100056889A1-20100304-C00004.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5917303A (en) * | 1993-10-07 | 1999-06-29 | Eastman Kodak Company | Device for controlling a stepper motor that drives one or more camera elements |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01227569A (ja) * | 1988-03-07 | 1989-09-11 | Casio Comput Co Ltd | 複写装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE426876B (sv) * | 1981-06-18 | 1983-02-14 | Facit Ab | Forfarande och anordning for metning av glapp i en drivanordning bestaende av en skruv och en mutter |
| US4533830A (en) * | 1982-12-16 | 1985-08-06 | Disc Instruments, Inc. | Optical encoder with a shutter clutched for directional movement |
| JPS6392281A (ja) * | 1986-10-06 | 1988-04-22 | Sharp Corp | 補助磁場位置決め装置 |
| JPS63266961A (ja) * | 1987-04-23 | 1988-11-04 | Alps Electric Co Ltd | イメ−ジスキヤナ |
-
1989
- 1989-11-20 JP JP1989133918U patent/JPH0372315U/ja active Pending
-
1990
- 1990-10-30 US US07/606,010 patent/US5087812A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01227569A (ja) * | 1988-03-07 | 1989-09-11 | Casio Comput Co Ltd | 複写装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US5087812A (en) | 1992-02-11 |
