# US 11,110,190 B1 · Currency bill dispenser with radiation sterilization

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- Number: US 11,110,190 B1
- Document ID: US11110190B1
- Status: Granted
- Kind: B1
- Application number: 17/320,085
- Filed: 2021-05-13
- Published: 2021-08-26
- Granted: 2021-09-07
- Earliest claimed: 2020-05-13
- Applicants: David Scott Andrews
- Inventors: David Scott Andrews
- Web page: https://patentgrep.com/patent/US11110190B1

## CPC

- A61L 2/10: Ultraviolet [UV] radiation
- A61L 2/26: Accessories
- A61L 2202/11: Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
- A61L 2202/14: Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
- A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K)

## Abstract

A currency bill dispenser that can disinfect the currency bill as the currency bill travels within the currency bill dispenser. The currency bill dispenser can include multiple UV-C lamps arranged on both sides of the currency bill. The intensity of the UV-C radiations at the currency bill can be increased by the use of collimating semi-cylindrical reflectors.

## Claims

### Claim 1

A disinfecting currency bill dispenser comprising:
an enclosure having an inlet and an outlet for currency bill; and
a disinfection chamber having an upper plate and a lower plate separated by spacers, wherein midportion of the upper plate and the lower plate forms a kill passage through which the currency bill passes through, the midportion of each the upper plate and the lower plate having a plurality of concave arc shape cavities arranged lengthwise and side-by-side to form reflective area, the reflective area configured to focus reflected radiations on the currency bill sandwiched between the midportions of the upper plate and the lower plate, each the upper plate and the lower plate comprises a plurality of radiation source configured to irradiate the midportions of the upper plate and the lower plate.

### Claim 2 (depends on 1)

The disinfecting currency bill dispenser according to claim 1, wherein the radiation source is UV-C LED array configured to produce UV-C radiations.

### Claim 3 (depends on 1)

The disinfecting currency bill dispenser according to claim 1, wherein the plurality of rollers drive the currency bill between the inlet and the outlet and though the kill passage.

### Claim 4 (depends on 1)

The disinfecting currency bill dispenser according to claim 1, wherein radiation source is UV-C lamp, the UV-C lamp comprising tubes that extend over the reflective area.