Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1990-10-10
1993-05-18
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358475, 358473, H04N 140
Patent
active
052125670
ABSTRACT:
A magnifying display apparatus for displaying enlarged images of characters or the like comprises a photoelectric-converting reading unit including a body and an optical system disposed in the body and having a light-path inversion prism, a magnifier lens system, an iris, an imaging device and illuminating lamp. The apparatus further comprises a controller connected to the reading unit and including a power supply circuit for the reading unit and also a control circuit for controlling the conversion of the output from the imaging device into an image output. The apparatus also comprises a display unit such as a television separably connected to the controller. A recess or a protrusion is formed on a front upper portion of the body at a position corresponding to the light-path inverting prism so as to be sensible by a user's finger, thus serving as an index of the portion of the original to be magnified and displayed. Operating means for operating iris and other mechanisms are disposed on lateral sides for easy manipulation of other finger or fingers of the user's hand gripping the reading unit body.
REFERENCES:
patent: 3993865 (1976-11-01), Browne et al.
patent: 4115813 (1978-09-01), Mikami
patent: 4916550 (1990-04-01), Miyake et al.
patent: 5067028 (1991-11-01), Ogura et al.
Hayakawa Tetsuo
Kawai Isao
Nagayama Sanyo
Taguchi Toshiyuki
Tokuda Nobuo
Coles Sr. Edward L.
Grant II Jerome
Neitz Instruments Co., Ltd.
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