Dual beam recorder
US4864326A · kind A · utility
27Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1988 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | Jan 4, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/04758
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recorder has a beam generator for generating a beam to form a dot image on a record medium. The beam generator has first and second beam generation sources to generate first and second beams and forms each dot by using both of the first and second beams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.