[특허]Method and apparatus for determining weight of moving mailpieces

[미국특허] Method and apparatus for determining weight of moving mailpieces 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01G-007/00 G01G-009/00 G01G-011/00 G01G-017/00 G01G-019/00
출원번호	US-0185663 (2005-07-20)
발명자 / 주소	Ong,Henson C.
출원인 / 주소	Pitney Bowes Inc.
인용정보	피인용 횟수 : 23 인용 특허 : 1

초록 ▼

The invention pertains to a mailpiece weight measuring apparatus for use with a high speed automatic mailpiece processing system. The weight measuring apparatus measures the inertial mass of the mailpiece as the weight equivalent. The apparatus includes a device for determining a first velocity of a mailpiece, a device for imparting a force to the mailpiece in a direction co-linear with the first velocity so that the mailpiece exits said force impacting device at a second velocity, a device for determining the second velocity of the mailpiece, a device for determining a change in a parameter proportional to the force imparted on the mailpiece, and a device for determining the weight of the mailpiece based upon the determined first velocity, second velocity and change in the parameter.

대표청구항 ▼

What is claimed is: 1. A mailpiece weight measuring apparatus for use with a mailpiece processing system that transports mailpieces at an initial velocity (V0); the mailpiece weight measuring apparatus comprising: means for determining a first velocity (V1) of a mailpiece, means for imparting a force to the mailpiece in a direction co-linear with said first velocity as it enters the mailpiece weight measuring apparatus, so that the mailpiece exits said force impacting means at a second velocity (V2); means for determining the second velocity (V2) of the mailpiece; means for determining a change in a parameter (Δp), said change being proportional to the force imparted to the mailpiece by said force imparting means; and means for determining the weight of the mailpiece (m) based upon the determined first velocity (V1), second velocity (V2 ) and the change in said parameter (Δp) wherein the force imparting means comprises a first roller and a second roller positioned relative to each other so that a mailpiece is pinched between the rollers when it travels between them; wherein the means for determining a change in a parameter (Δp) comprising a logical device in communication with a rotational encoder monitoring the first roller, said logical device capable of deriving a change of angular velocity of the first roller based on signals from the rotational encoder. 2. A mailpiece weight measuring apparatus for use with a mailpiece processing system that transports mailpieces at an initial velocity (V0); the mailpiece weight measuring apparatus comprising: means for determining a first velocity (V1) of a mailpiece, means for imparting a force to the mailpiece in a direction co-linear with said first velocity as it enters the mailpiece weight measuring apparatus, so that the mailpiece exits said force impacting means at a second velocity (V2); means for determining the second velocity (V2) of the mailpiece; means for determining a change in a parameter (Δp), said change being proportional to the force imparted to the mailpiece by said force imparting means; and means for determining the weight of the mailpiece (m) based upon the determined first velocity (V1), second velocity (V2 ) and the change in said parameter (Δp). wherein the force imparting means comprising an elongate object having a first end and a second end, said first end is pivotally fastened at a location remote from a path that the mailpieces travel, said second end is attached to a flat plate, said flat plate is positioned substantially perpendicular to the path when the elongate object is in a first position so that said plate is impacted by a mailpiece as the mailpiece travels along its path, hereby angularly displacing the elongate object from the first position. 3. The mailpiece weight measuring apparatus according to claim 2, wherein the means for determining a change in a parameter (Δp) comprising a device that is capable of determining a displacement angle (Δθ) of the elongated object from its first position to its displaced position after said impact with the mailpiece. 4. The mailpiece weight measuring apparatus according to claim 1, further comprising means for accelerating a mailpiece from the initial velocity (V0) to the first velocity (V1). 5. The mailpiece weight apparatus according to claim 2, further comprising means for accelerating mailpiece from the initial velocity (V0) to the first velocity (V1).

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Foth, Thomas J.; Miller, Kenneth G.; Heiden, Richard W.; Romansky, Brian M.; Wong, Kwan Cheung, Method for tagging mail.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method and apparatus for determining weight of moving mailpieces 원문보기

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[미국특허] Method and apparatus for determining weight of moving mailpieces 원문보기

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