Battery-powered scanner

Details Battery-powered scanner Battery-powered scanner

1998-05-28

2000-02-29

Williams, Kimberly A.

Facsimile and static presentation processing

Facsimile

Facsimile system interface

358473, 382313, H04N 132, H04N 1024, G06K 922

Patent

active

060316365

ABSTRACT:
This invention discloses a battery-powered scanner that does not require use of commercial power source, wherein the scanner not only selects components of low power consumption but also implements high efficient and low worn switching regulation technique to convert power source supplied by a primary or secondary battery into working voltage for all components within the scanner so as to be utilized by the scanner in operation. To prevent the possibility of insufficient battery power supply, the scanner is provided with a power management device that terminates power supply to peripheral components of the scanner while the scanner in not in operation so as to conserve power consumption, and that activates power supply to all components when the scanner is in operation. The power management device further stops timing pulses other than those required to connect a control device and a computer connected to the scanner so as to reduce power consumption, whereby the scanner may be portable to various locations. This invention can certainly be connected to commercial power source.

REFERENCES:
patent: 5392447 (1995-02-01), Schlack et al.
patent: 5550938 (1996-08-01), Hayakawa et al.

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