Registers – Coded record sensors – Particular sensor structure
Patent
1991-10-30
1994-07-12
Hannaher, Constantine
Registers
Coded record sensors
Particular sensor structure
235470, 235467, 359201, 359204, 359223, 359224, G02B 2608, G06K 701, G06K 710
Patent
active
053291034
ABSTRACT:
Two resonant cantilever beams oscillate in a sinusoidal pattern. Mirrors disposed on the oscillating ends of the cantilever beams are used to multiplex two scanning and collecting light beams. The cantilever beam parameters and mirror configuration are selected so that the scanning light beam is on the first mirror during the linear portion of its scan. As the first cantilever beam oscillates out of the linear portion of the sine wave, the deflection of the first mirror is just great enough to allow the scanning beam to strike the second mirror during the linear portion of the second mirror's scan. The process is repeated twice each cycle. The collection lens is large enough to receive the full aperture of both mirrors at all times. Multiplexing of scanning diodes is also accomplished by a controller circuit which alternately enables diodes disposed on the ends of respective first and second cantilever beams during the linear portion of each sine wave oscillation.
REFERENCES:
patent: 3758199 (1973-09-01), Thaxter
patent: 4230393 (1980-10-01), Burke, Jr.
patent: 4394645 (1983-07-01), Humble et al.
patent: 4676343 (1987-06-01), Humble et al.
patent: 4732440 (1988-03-01), Gadhok
patent: 4766296 (1988-08-01), Barth
patent: 4792018 (1988-12-01), Humble et al.
patent: 4825045 (1989-04-01), Humble
patent: 4833308 (1989-05-01), Humble
patent: 4861125 (1989-08-01), Vaught
patent: 4902083 (1990-02-01), Wells
patent: 4929819 (1990-05-01), Collins
patent: 4939355 (1990-07-01), Rando
patent: 4940116 (1990-07-01), O'Conner et al.
patent: 4959530 (1990-09-01), O'Conner
patent: 4960985 (1990-10-01), Knowles
patent: 4964053 (1990-10-01), Humble
patent: 5003300 (1991-03-01), Wells
patent: 5099110 (1992-03-01), Shepard et al.
patent: 5170277 (1992-12-01), Bard et al.
Glick Edward J.
Hannaher Constantine
Spectra-Physics
LandOfFree
Laser beam scanner with low cost ditherer mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Laser beam scanner with low cost ditherer mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laser beam scanner with low cost ditherer mechanism will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-398220