JPS59175188U - paper detection device - Google Patents

paper detection device

Info

Publication number
JPS59175188U
JPS59175188U JP6983083U JP6983083U JPS59175188U JP S59175188 U JPS59175188 U JP S59175188U JP 6983083 U JP6983083 U JP 6983083U JP 6983083 U JP6983083 U JP 6983083U JP S59175188 U JPS59175188 U JP S59175188U
Authority
JP
Japan
Prior art keywords
light
emitting element
detection device
paper detection
reflected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6983083U
Other languages
Japanese (ja)
Inventor
橋本 憲司
Original Assignee
株式会社リコー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社リコー filed Critical 株式会社リコー
Priority to JP6983083U priority Critical patent/JPS59175188U/en
Publication of JPS59175188U publication Critical patent/JPS59175188U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図a、  bは反射型センサ、透過型センサのそれ
ぞれ受光出力特性図、第2図は本考案に係るセンサの構
成を示す説明図、第3図は本考案の一実施例に係る用紙
検出回路図、第4図は第3図に示す回路の各部における
信号のタイミングチャートである。 2・・・・・・用紙搬送路、3・・・・・・受光素子、
4・・・・・・第1の発光素子、5・・・・・・第2の
発光素子、10・・・・・・検出回路。
Figures 1a and b are light reception output characteristic diagrams of a reflective sensor and a transmissive sensor, respectively. Figure 2 is an explanatory diagram showing the configuration of the sensor according to the present invention. Figure 3 is a paper sheet according to an embodiment of the present invention. The detection circuit diagram, FIG. 4, is a timing chart of signals in each part of the circuit shown in FIG. 2... Paper transport path, 3... Light receiving element,
4...First light emitting element, 5...Second light emitting element, 10...Detection circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 透過光を検知させるための第1の発光素子と、この第1
の発光素子とは発光印相が異なり且つ反射光を検知させ
るための第2の発光素子と、これら第1、第2の発光素
子の反射、透過光量を受光する単一の受光素子とを用紙
搬送路に設け、さらに基準信号と受光信号の組み合わせ
で用紙を検出する検出回路を設けたことを特徴とする用
紙検出装置。
a first light emitting element for detecting transmitted light;
A second light-emitting element that has a different luminous phase from the light-emitting element and is used to detect reflected light, and a single light-receiving element that receives the amount of reflected and transmitted light from these first and second light-emitting elements. A paper detecting device, characterized in that it is provided in a conveyance path and further includes a detection circuit that detects paper based on a combination of a reference signal and a light reception signal.
JP6983083U 1983-05-12 1983-05-12 paper detection device Pending JPS59175188U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6983083U JPS59175188U (en) 1983-05-12 1983-05-12 paper detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6983083U JPS59175188U (en) 1983-05-12 1983-05-12 paper detection device

Publications (1)

Publication Number Publication Date
JPS59175188U true JPS59175188U (en) 1984-11-22

Family

ID=30199978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6983083U Pending JPS59175188U (en) 1983-05-12 1983-05-12 paper detection device

Country Status (1)

Country Link
JP (1) JPS59175188U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281846A (en) * 1988-09-15 1990-03-22 Brother Ind Ltd Paper detecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0281846A (en) * 1988-09-15 1990-03-22 Brother Ind Ltd Paper detecting device

Similar Documents

Publication Publication Date Title
JPS59175188U (en) paper detection device
JPS60114150U (en) Conveyance detection device
JPS60184188U (en) visitor alarm
JPS6146651U (en) Mark detection device
JPS615485U (en) Paper detection device
JPS5930040U (en) Overlap detection device for paper sheets
JPS59181451U (en) Copy machine
JPS6033618U (en) Recorder paper out detection device
JPS58164068U (en) Mark sheet reader
JPS5832562U (en) banknote identification device
JPS5954871U (en) detection device
JPS58161936U (en) Jam detection device
JPS59151247U (en) Original size detection device for copying machines
JPS59183675U (en) Light receiving element level down detection device
JPS5949271U (en) Paper bill edge detection device
JPS58179554U (en) Seal image reading device
JPS5949981U (en) Paper sheet detection device
JPS6142409U (en) Light-transparent film position detection device
JPS5872606U (en) position detection device
JPS5949986U (en) object identification device
JPS60181684U (en) optical radar device
JPH0167595U (en)
JPS61127472U (en)
JPS58138092U (en) Light-blocking sensor
JPS6086959U (en) Illuminator dirt detection device