Optical scanner aperture and light source assembly

Details Optical scanner aperture and light source assembly Optical scanner aperture and light source assembly

1990-05-18

1991-08-06

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

362226, 2505781, H01J 4014, H01R 3300

Patent

active

050380281

ABSTRACT:
An aperture and light source assembly including an elongate aperture plate having a longitudinally extending, aperture defining slit at a top end thereof and a light source for illuminating an object to be scanned including a first elongate bulb and a second elongate bulb positioned adjacent opposite lateral sides of the vertically disposed portion of said aperture plate and below the top end slit therein; a connector and spacer assembly fixedly connecting the bulbs in spaced apart, parallel relationship; and an attachment assembly associated with the connector assembly removably attaching the light source to the optical scanner; and whereby the first and second bulbs are installable and removable from the optical scanner as a modular unit.

REFERENCES:
patent: 4082444 (1978-04-01), Menon et al.
patent: 4345277 (1982-08-01), Ishikawa
patent: 4442460 (1984-04-01), Kurata et al.
patent: 4682042 (1987-07-01), Igarashi
patent: 4816922 (1989-03-01), Futaki
patent: 4870454 (1989-09-01), Kurusu et al.
patent: 4908717 (1990-03-01), Natori
patent: 4926041 (1990-05-01), Boyd
patent: 4965638 (1990-10-01), Hediger

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