JPH0432018U

JPH0432018U -

Info

Publication number: JPH0432018U
Application number: JP7330490U
Authority: JP
Priority date: 1990-07-10
Filing date: 1990-07-10
Publication date: 1992-03-16

Description

[Brief explanation of the drawing]

第１図は本考案一実施例の記録計のペン位置検
出機構の構成を示す斜視図、第２図は第１図の光
学系を上から見た説明図、第３図は第１図の光学
系を側面から見た説明図、第４図は第１図の光セ
ンサでの結像位置からペン位置を求めるペン位置
検出部の構成を示すブロツク図、第５図は第４図
のペン位置検出部における検出作用を示すタイミ
ング図、第６図および第７図はそれぞれペントラ
バーサに設ける識別子の別異の変形例を示す概略
図、第８図は従来の記録計のペン位置検出機構を
示す斜視図である。１……記録紙、４ａ，４ｂ……ペントラバーサ
、５ａ，５ｂ……ペン、８ａ，８ｂ……光源、９
ａ，９ｂ……反射板、１１……レンズ、１２……
ＣＣＤ列、２０……ペン位置検出部。 FIG. 1 is a perspective view showing the configuration of the pen position detection mechanism of a recorder according to an embodiment of the present invention, FIG. 2 is an explanatory diagram of the optical system shown in FIG. 1 viewed from above, and FIG. An explanatory diagram of the optical system viewed from the side; FIG. 4 is a block diagram showing the configuration of the pen position detection unit that determines the pen position from the image formation position of the optical sensor in FIG. 1; and FIG. 5 is a block diagram of the pen position detection unit shown in FIG. FIGS. 6 and 7 are schematic diagrams showing different modifications of the identifier provided on the pen traverser, and FIG. 8 is a timing diagram showing the detection action in the position detection unit. FIG. 8 is a diagram showing the pen position detection mechanism of a conventional recorder. FIG. 1...Recording paper, 4a, 4b...Pen traverser, 5a, 5b...Pen, 8a, 8b...Light source, 9
a, 9b...reflector, 11...lens, 12...
CCD row, 20...Pen position detection section.

Claims

[Scope of utility model registration request]

An identifier that is attached to a pen traverser that holds the pen and moves in the width direction of the recording paper and moves integrally with the pen, an optical sensor consisting of a plurality of photodetecting element rows, and an optical sensor that is attached to a pen traverser that moves in the width direction of the recording paper, also includes an optical system configured to form an image of the identifier on the optical sensor, and a pen position detection section that calculates a pen position from the imaging position of the identifier on the photodetecting element array of the optical sensor. Equipped with a recorder pen position detection mechanism.