Relative angle detecting device
US6028592A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1995 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | Jul 6, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0346
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a relative angle detecting device, plural received light outputs are subjected to time division. Received light detection voltage is shifted by a phase shifter and sampling pulse is formed, and peak detecting means holds peak value of received light output based on the sampling pulse. In a CPU, peak value of each voltage is stored in a memory, and the stored value is operated thereby information regarding relative position between a light source and a light reception element is operated. Utilizing the time division, each received light detection voltage can be processed in the same condition, and the peak value of each received light output can be detected with high precision.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.