Self tracking laser scanning apparatus

Details Self tracking laser scanning apparatus Self tracking laser scanning apparatus

1979-02-05

1980-07-15

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358285, 358302, 350 68, H04N 104

Patent

active

042131570

ABSTRACT:
Method and apparatus for improving the efficiency of laser scanning systems using a multifaceted rotating polygon or pyramid as the scanner. In particular, a beam of light, such as that generated by a laser beam, is directed onto a first facet of the scanner. This beam is expanded and reflected back to the same facet or any other facet on the scanner by optical means positioned adjacent the scanner so that the beam is caused to follow the facet of the scanner upon which the beam is reflected during a complete scan and to shift to the next facet for the following scan.

REFERENCES:
patent: B309860 (1975-01-01), Starkweather
patent: 2059221 (1936-11-01), Fessenden
patent: 2687062 (1954-08-01), Baird
patent: 2961918 (1960-11-01), Nadig
patent: 3029685 (1962-04-01), Korneff
patent: 3597536 (1971-08-01), Fowler
patent: 3646568 (1972-02-01), Woywood
patent: 3663083 (1972-05-01), Freedman
patent: 3813140 (1974-05-01), Knockeart
patent: 3829192 (1974-08-01), Wheeler
patent: 3867571 (1975-02-01), Starkweather
patent: 3910675 (1975-10-01), McGovern
patent: 3973826 (1976-08-01), Lobb
patent: 4170028 (1979-10-01), DeBenedictis
IBM Technical Disclosure Bulletin, vol. 8, No. 6, Nov. 1965, p. 885.
Journal of the SMPTE, vol. 82, pp. 470-474, Jun. 1973.

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