JPS6133445A - Double feed detection circuit - Google Patents
Double feed detection circuitInfo
- Publication number
- JPS6133445A JPS6133445A JP15056884A JP15056884A JPS6133445A JP S6133445 A JPS6133445 A JP S6133445A JP 15056884 A JP15056884 A JP 15056884A JP 15056884 A JP15056884 A JP 15056884A JP S6133445 A JPS6133445 A JP S6133445A
- Authority
- JP
- Japan
- Prior art keywords
- media
- medium
- circuit
- receiving section
- pulse
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
- B65H7/12—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation
- B65H7/125—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation sensing the double feed or separation without contacting the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/44—Involving light guide, e.g. optical fibres
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は媒体の２枚送り検出回路に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a two-sheet feeding detection circuit for a medium.
従来、媒体の２枚送り検出回路は透過光により媒体の２
枚送シを検出している間の時間を計数して、２枚送りを
検出していた。Conventionally, the two-sheet feeding detection circuit for the medium detects the two-sheet feeding of the medium using transmitted light.
Two-sheet feeding was detected by counting the time during which one-sheet feeding was detected.
しかし、媒体の送り速度が変化した９、また戻り等があ
ると、正確に２枚送シを検出することができず、誤検出
する可能性があった。However, if the feeding speed of the medium changes 9 or if there is a return, etc., it is not possible to accurately detect two-sheet feeding, and there is a possibility of erroneous detection.
本発明はパルスを計数することにより、正確に媒体の２
枚送りを検出できるようにした２枚送り検出回路を提供
するものである。By counting pulses, the present invention can accurately
This invention provides a two-sheet feeding detection circuit that can detect sheet feeding.
本発明は透過光により媒体の厚さを検出する回路４５と
、一定の移動量毎に１パルスを発生するパルス発生部３
１，３３，３４，３５，３６，３７，３８．３９と、透
過光によシ媒体の２枚送りを検出している間諜体の送り
方向によってそのパルスをカウントアツプ、カウントダ
ウンするカウンタ回路４０ 、４１とを有することを特
徴とする２枚送り検出回路である。The present invention includes a circuit 45 that detects the thickness of the medium using transmitted light, and a pulse generator 3 that generates one pulse for each fixed amount of movement.
1, 33, 34, 35, 36, 37, 38. 39, a counter circuit 40 that counts up and counts down the pulses according to the feeding direction of the spy body that detects feeding of two sheets of the medium by transmitted light; 41.
一定移動量毎に１パルスを発生し、送り方向によってそ
のパルスをカウントアツプ、又はカウントダウンする・
ことによりパルスを計数し、これにより正確に媒体の２
枚送りの検出を行なう。Generates one pulse for each fixed amount of movement, and counts up or down depending on the feeding direction.
This allows the pulses to be counted, thereby accurately determining the
Detects sheet feed.
次に、本発明の実施例について図面を参照して説明する
。Next, embodiments of the present invention will be described with reference to the drawings.
第１図は光学式文字読取装置に本発明を実施した例の搬
送系の図であシ、１〜４は媒体１９の搬送に使用される
ローラ、９．ＩＯはローラの回転力を媒体１９に伝える
ベルト、５〜８は図示しないパルスモータにより光学系
下の媒体１９の送りを制御するためのローラ、ｉｉ 、
１２は媒体の長さ及び透過光量を測定するだめの受光
部と発光部、１３ 、１４はローラ５，６下に媒体１９
が到達したことを検出するだめの受光部と発光部、１．
５は照射ランプ、１６は媒体１９上のスキャンエリアか
らの反射光１８ヲ反射するだめのミラー、１７はレンズ
等を含む光学系の受光部である。FIG. 1 is a diagram of a conveyance system of an example in which the present invention is implemented in an optical character reading device, in which rollers 1 to 4 are used to convey a medium 19, and 9. IO is a belt that transmits the rotational force of the roller to the medium 19; 5 to 8 are rollers for controlling the feeding of the medium 19 under the optical system by a pulse motor (not shown); ii;
12 is a light receiving part and a light emitting part for measuring the length of the medium and the amount of transmitted light; 13 and 14 are the medium 19 under the rollers 5 and 6;
a light receiving part and a light emitting part for detecting the arrival of the light; 1.
5 is an irradiation lamp, 16 is a mirror for reflecting reflected light 18 from the scan area on medium 19, and 17 is a light receiving section of an optical system including a lens and the like.
第２図は本発明の実施例のブロック図であり、３０は第
１図の１１で示す受光部、３１は発振回路、３２は第１
図の１３で示す受光部、３３ 、３４はフリップフロッ
プ回路、３５はインバータ回路、３６は３人カアンド回
路、３７ 、３８は４人カアンド回路、３９は２人力オ
ア回路、４０はマイクロプロセッサのバス４３トデータ
信号６２、読み出し信号６３、書き込み信号６４で接続
されるアップダウンカウンタ回路、４］、は４０とｌ１
ｌｅＫマイクロプロセツサのバス４３とデータ信号６５
、書き込み信号６７で接続され、かつキヤＩＪ −出力
６８を有するアップダウンカウンタ回路、４２はフリッ
プフロップ回路、４３ 、４４は２人カアンド回路、４
５は受光部３０からの出力を使用して媒体の厚さが一定
以上かどうかを検知する厚さ検出回路である。FIG. 2 is a block diagram of an embodiment of the present invention, in which 30 is a light receiving section indicated by 11 in FIG. 1, 31 is an oscillation circuit, and 32 is a first
In the figure, the light receiving section is shown as 13, 33 and 34 are flip-flop circuits, 35 is an inverter circuit, 36 is a 3-person AND circuit, 37 and 38 are 4-person AND circuits, 39 is a 2-person OR circuit, and 40 is a microprocessor bus. The up/down counter circuit connected by the 43 data signal 62, the read signal 63, and the write signal 64, 4] is 40 and l1.
leK microprocessor bus 43 and data signals 65
, an up/down counter circuit connected by a write signal 67 and having a carrier IJ-output 68; 42 a flip-flop circuit; 43 and 44 a two-person AND circuit;
Reference numeral 5 denotes a thickness detection circuit that uses the output from the light receiving section 30 to detect whether the thickness of the medium is a certain value or more.
第３図、第４図は第２図の動作を示すタイミング図であ
る。3 and 4 are timing diagrams showing the operation of FIG. 2.
マイクロプロセッサからの命令により、媒体１９が第１
図の搬送系に入ってくる前に書き込み信号６４をゝ０“
にして、アップダウンカウンタ４０はＯにセットされる
。第１図に示す媒体１９がローラ］。Instructions from the microprocessor cause the medium 19 to
The write signal 64 is set to ``0'' before entering the conveyance system shown in the figure.
Then, the up/down counter 40 is set to O. The medium 19 shown in FIG. 1 is a roller].
２側からベル） ９ 、１０によって送られて、ついに
は媒体の長さ、透過光量を測定するための受光部１１、
発光部１２に到達する。この時間が第３図で示すｔｌで
あシ、媒体１９叫送シ速度十Ｖ１で送られている。この
時すでにパルスモータによりローラ５〜８も＋■１の送
９速度になるよう回転している。すると第１図に示す受
光部１１、すなわち第２図の３０が媒体１９を検出しそ
の出力信号５ｏは１１“になる。2 side by bells) 9 and 10, and finally a light receiving section 11 for measuring the length of the medium and the amount of transmitted light.
The light reaches the light emitting section 12. This time is tl shown in FIG. 3, and the medium 19 is sent at a speed of 10V1. At this time, rollers 5 to 8 are already being rotated by the pulse motor so as to have a feed speed of +1. Then, the light receiving section 11 shown in FIG. 1, that is, 30 in FIG. 2 detects the medium 19, and its output signal 5o becomes 11".
これによシフリップフロップ回路３３はセット状態にな
り、出力信号５５も′Ｘ１“になる。一方３１はパルス
モータとローラ５〜８により媒体１９を＋ｖ１の速度で
送るのに必要なパルスモータの入力パルス周波数と同じ
値で発振する発振回路であり、出方信号５２は３人カア
ンド回路３６及び２人力オア回路３９を通してアップダ
ウンカウンタ４０のカウントアツプの入力端子につなが
シ、カウントアツプ動作をおこなう。さらに媒体１９が
送られ、受光部１３にょシ媒体１９がパルスモータ駆動
の系（ローラ５〜８によって送られる系）に入ってきた
事が検出されると（第３図にｔ２で示す時間）、第２図
に示す受光部３２（第１図の１３にあたる）の出方信号
５１が１１“になシ、これによってフリップフロップ３
３はリセット状態（出力信号５５がゝ０“となる）にな
り、一方フリップフロップ３４はセット状態（出力信号
５６がゝ１“となる）になる。第２図中の信号５３はパ
ルスモータを駆動するパルス信号であり、信号５４はパ
ルスモータ、ローラ５〜８により媒体１９が送うれる方
向を示す信号で１１“のときローラ５，６からローラ７
．８側に、５０′のときローラ７．８側からローラ、５
．６側の方向に送られることを示す。As a result, the shift flip-flop circuit 33 becomes set, and the output signal 55 also becomes 'X1'. On the other hand, the shift flip-flop circuit 33 becomes the pulse motor which is necessary to send the medium 19 at a speed of +v1 by the pulse motor and rollers 5 to 8. This is an oscillation circuit that oscillates at the same value as the input pulse frequency, and the output signal 52 is connected to the count-up input terminal of the up-down counter 40 through a three-man AND circuit 36 and a two-man OR circuit 39, and performs a count-up operation. .Furthermore, the medium 19 is fed, and when it is detected that the medium 19 has entered the pulse motor drive system (the system fed by the rollers 5 to 8) to the light receiving section 13 (at the time indicated by t2 in FIG. 3). ), the output signal 51 of the light receiving section 32 (corresponding to 13 in FIG. 1) shown in FIG.
3 becomes a reset state (the output signal 55 becomes "0"), while the flip-flop 34 becomes a set state (the output signal 56 becomes "1"). A signal 53 in FIG. 2 is a pulse signal for driving a pulse motor, and a signal 54 is a signal indicating the direction in which the medium 19 is sent by the pulse motor and rollers 5 to 8. 7
．． 8 side, roller 7 from the 8 side when 50', roller 5
．． Indicates that it is sent in the direction of the 6 side.
受光部３２（第１図に示す１３）によって媒体１９を検
出した時は、信号５４は１１“（口〜う５，６からロー
ラ７．８側に送られる）信号５６もゝ１”で、受光部３
０（第１図に示す１１）により未だ媒体１９を検出して
いる（信号５０が１１“になっている）ので、パルスモ
ータ信号５３は４人カアンド回Ｗｊ３７．２人力オア回
路３９を経由してアップダウンカウンタ回路４０のカウ
ントアツプ端子に入り、パルスモータのパルス数をカウ
ントする。When the light receiving unit 32 (13 shown in FIG. 1) detects the medium 19, the signal 54 is 11" (sent from the ports 5 and 6 to the roller 7.8 side), and the signal 56 is also "1". Light receiving part 3
Since the medium 19 is still being detected by 0 (11 shown in FIG. The signal enters the count-up terminal of the up-down counter circuit 40 and counts the number of pulses of the pulse motor.
光学系の下に文字の読取エリアが近づくと、パルスモー
タは速度をＯまで下げ時間ｔ３まで至る。When the character reading area approaches the bottom of the optical system, the pulse motor reduces its speed to O until time t3.
そして少しずつ速度を上げて速度ｖ２に達した時読取エ
リアのイメージを入れ始め、入力が完了すると速度を徐
々に落し、ｔ４の時点で速度がＯになる。Then, the speed is gradually increased, and when the speed reaches v2, the image of the reading area is started to be input. When the input is completed, the speed is gradually lowered, and the speed reaches O at time t4.
さらに今のイメージ入力が完了した位置よりつながるよ
うにイメージを入れるため、パルスモータは■３の速度
でバック動作を時間ｔ５まで行なう。この時間ｔ４〜ｔ
、の区間で信号５４は“０”になり、インバータ回路３
５によシ信号５７がゝ１“になる。これによシ４人カア
ンド回路３７は動作しなくなり、一方４人カアンド回路
３８が有効になって、パルスモータの信号５３は４人カ
アンド回路３８を経由しアップダウンカウンタ回路４０
のカウントダウン端子に入り、バック動作をしている間
（ｔｉｔｓの区間）カウントダウン動作をする。Further, in order to input an image so as to be connected from the position where the current image input has been completed, the pulse motor performs a backward operation at speed 3 until time t5. This time t4~t
, the signal 54 becomes “0” and the inverter circuit 3
5, the input signal 57 becomes "1". As a result, the four-person AND circuit 37 becomes inactive, while the four-person AND circuit 38 becomes active, and the pulse motor signal 53 changes to the four-person AND circuit 38. Up/down counter circuit 40 via
enters the countdown terminal of , and performs a countdown operation while performing the back operation (tits section).
時間ｔ、になると送り速度はＯになり、再度文字イメー
ジを入れるため信号５４はゝ１“になり＋Ｖ２”まで速
度を上げイメージを入れる。時間ｔ６になるとイメージ
の入力は全て完了し、排出動作のため徐々にパルスモー
タはスピードを上げ＋Ｖ、の速度までくると、以降同速
度を維持する。時間ｔ７になυ媒体１９が受光部１１の
下から抜は出ると、第２図の３０の出力信号５０は１０
“になシ、３人カアンド回路３６．４人カアンド回路３
７ 、３８は動作しなくなり、アップダウンカウンタ回
路４０はカウント動作を止める。受光部１１（第２図の
３０に相当する）下に媒体１９が抜は出たことをマイク
ロプロセッサが知ると、アップダウンカウンタ回路４０
の読み取り信号６３を１０′′にして、カウンタ回路４
０のカウント値を読み取る。。At time t, the feed speed becomes O, and in order to insert a character image again, the signal 54 becomes "1", and the speed is increased to +V2" to insert an image. At time t6, all image input is completed, and the pulse motor gradually increases its speed for ejection operation until it reaches a speed of +V, and thereafter maintains the same speed. When the υ medium 19 is pulled out from under the light receiving section 11 at time t7, the output signal 50 at 30 in FIG.
“Nashi, 3 person Kaand circuit 36. 4 person Kaand circuit 3
7 and 38 no longer operate, and the up/down counter circuit 40 stops counting. When the microprocessor learns that the medium 19 has been removed from under the light receiving section 11 (corresponding to 30 in FIG. 2), the up/down counter circuit 40
The read signal 63 of the counter circuit 4 is set to 10''.
Read a count value of 0. .
また媒体１９が今説明した場合よりも早い時点で受光部
１１を抜けても、第２図に示す信号５０がゝ０“になシ
、同様にアップダウンカウンタ回路４０のカウントアツ
プ及びカウントダウン端子に信号は入らず、動作を止め
る。この様にすることにより、途中の送り速度が変化し
ても、またバック等をおこなっても、受光部１１に媒体
１９が入ってから抜は出るまでのパルスモータの移動パ
ルス数に相当する値（長さに相当）が正確に計数出来る
ことになる。□
一方、第４図は透過光による２放送シ検出アップダウン
カウンタ４１を中心とした第２図の動作タイミングを示
す図であシ、この場合第５図のような２枚重なった媒体
を送ることを想定にしている。Furthermore, even if the medium 19 passes through the light receiving section 11 at an earlier point in time than in the case just described, the signal 50 shown in FIG. No signal is received and the operation is stopped.By doing this, even if the feed speed changes during the process or if backing up is performed, the pulse from the time the medium 19 enters the light receiving section 11 to the time it is removed is maintained. The value corresponding to the number of moving pulses of the motor (corresponding to the length) can be accurately counted. □ On the other hand, Fig. 4 shows the 2-broadcast detection using transmitted light with the up-down counter 41 as the center. This is a diagram showing the operation timing, and in this case it is assumed that two overlapping media as shown in FIG. 5 are being sent.
媒体１９が第１図に示す搬送系に入ってくる前に、マイ
クロプロセッサからの命令によシアツブダウンカウンタ
４１は書き込み信号６７を１０′′にするととによりＡ
と言う値がセットされ、同時にフリップフロップ回路Ｃ
も信号７０を１０“にすることによりリセット状態にな
っている。Before the medium 19 enters the transport system shown in FIG.
At the same time, the value of flip-flop circuit C is set.
is also in a reset state by setting the signal 70 to 10''.
媒体１９が搬送系に入ってくると動作は同じため、信号
５０〜６１までは第３図と同じ波形が出る。媒体が送ら
れ第５図に斜線で示す２枚に重なっている部分が受光部
１１の下にくると、第２図に３０で示す受光部と厚さ検
出回路４５により信号７１が１１”になり、２人カアン
ド回路４３ 、４４によシ信号６０ 、６１がアップダ
ウンカウンタ回路４１のカウントアツプ端子、カウント
ダウン端子に入る。このようにして２枚重なった部分の
パルスモータの移動パルス数に相当する値をアップダウ
ンカウンタ回路４１は、フォワード時はカウントアツプ
、バック時はカウントダウンをしながら計数し、カウン
タがオーバーフローを起こすとキャリー出力信号６８が
１１“になる。これによりフリップフロップ回路Ｃがセ
ットされ出力信号６９が′Ｘｌ”になる。Since the operation is the same when the medium 19 enters the conveyance system, the same waveforms as in FIG. 3 are output from signals 50 to 61. When the medium is fed and the overlapping portion of the two sheets indicated by diagonal lines in FIG. Then, the signals 60 and 61 are input to the count-up and count-down terminals of the up-down counter circuit 41 by the two-man AND circuits 43 and 44. In this way, the number of pulses corresponding to the movement pulses of the pulse motor in the overlapped part of the two circuits is The up/down counter circuit 41 counts up the value when forwarding and counts down when backward, and when the counter overflows, the carry output signal 68 becomes 11''. As a result, the flip-flop circuit C is set and the output signal 69 becomes 'Xl'.
前もって２枚重なりと判定する重な９部のパルス数（距
離に相当する）と先程のＡと言う値の和で丁度カウンタ
回路４１がオーバーフローする様にＡを決定しておくと
、受光部１１（第２図の３０に相当する）下より媒体１
９が抜は出たタイミングでマイクロプロセッサが信号６
９の内容を読み取ることにより、２枚重なった媒体を送
ったことを正確に検出出来る。If A is determined in advance so that the counter circuit 41 overflows by the sum of the number of overlapping 9 pulses (corresponding to the distance) that determines that two sheets overlap and the value A mentioned earlier, the light receiving section 11 (corresponding to 30 in Figure 2) Medium 1 from the bottom
The microprocessor sends the signal 6 at the timing when 9 is pulled out.
By reading the contents of 9, it is possible to accurately detect that two overlapping media have been sent.
本発明は以上説明したように、一定の移動量毎に１パル
ス発生するパルスと、送り方向によって透過光によって
２枚送りを検出している間そのパルスをカウントアツプ
、カウントダウンするカウンタ回路を用いることにより
、媒体の送り速度の変化、戻υ等に影響されずに、正確
に２枚送りを検出できる効果を有するものである。As explained above, the present invention uses a pulse that generates one pulse for each fixed amount of movement, and a counter circuit that counts up and counts down the pulse while detecting two-sheet feeding using transmitted light depending on the feeding direction. This has the effect of accurately detecting two-sheet feeding without being affected by changes in medium feeding speed, return υ, etc.
第１図は光学式文字読取装置に本発明を実施した例の搬
送系の構成図、第２図は本発明の芙施例における回路の
ブロック図、第３図、第４図は動作を示すタイミング図
、第５図は２枚重なった媒体例を示す説明図である。
１〜４・・ローラ ５〜８ ・パルスモ
ータ駆動ローラ９，１０・・ベルト １１．１
３・・受光部１２、１４・・・発光部 １５・・
・照射ランプ１６・・・ミラー １７・・・
光学系受光部１８・・・反射光 １９・・・
媒体３０．３２・・・受光部 ３１・・・発振回
路３３．３４・・・フリップフロップ ３５・・・イ
ンバータ回路３６・・・３人カアンド回路 ３７ 、
３８・・・４人カアンド回路３９・・・２人カオア回路
４０．４１ ・・・アソプグウンカウンタ回路４
２・・・フリップフロップ回路 ４３．４４・・・
２人カアンド回路４５・・・厚さ検出回路
特許出願人 日本電気株式会社
第１図Fig. 1 is a block diagram of a conveyance system in an example in which the present invention is implemented in an optical character reading device, Fig. 2 is a block diagram of a circuit in another embodiment of the present invention, and Figs. 3 and 4 show the operation. The timing diagram in FIG. 5 is an explanatory diagram showing an example of two overlapping media. 1-4...Rollers 5-8 ・Pulse motor drive rollers 9, 10...Belt 11.1
3... Light receiving section 12, 14... Light emitting section 15...
・Irradiation lamp 16...Mirror 17...
Optical system light receiving section 18...Reflected light 19...
Medium 30.32...Light receiving section 31...Oscillation circuit 33.34...Flip-flop 35...Inverter circuit 36...Three-person circuit 37,
38... 4-person counter circuit 39... 2-person counter circuit 40.41... Asopugun counter circuit 4
2...Flip-flop circuit 43.44...
Two-person circuit 45...Thickness detection circuit Patent applicant NEC Corporation Figure 1
Claims (1)
の移動量毎に１パルス発生するパルス発生部と、透過光
により媒体の２枚送りを検出している期間中媒体の送り
方向によつてそのパルスをカウントアップ、カウントダ
ウンするカウンタ回路とを有することを特徴とする２枚
送り検出回路。(1) A circuit that detects the thickness of the medium using transmitted light, a pulse generator that generates one pulse for each fixed amount of movement, and a direction in which the medium is fed during the period in which two sheets of media are detected using transmitted light. A two-sheet feeding detection circuit comprising a counter circuit that counts up and counts down the pulses according to the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15056884A JPS6133445A (en) | 1984-07-20 | 1984-07-20 | Double feed detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15056884A JPS6133445A (en) | 1984-07-20 | 1984-07-20 | Double feed detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6133445A true JPS6133445A (en) | 1986-02-17 |
Family
ID=15499728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15056884A Pending JPS6133445A (en) | 1984-07-20 | 1984-07-20 | Double feed detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6133445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0812291A1 (en) * | 1995-02-27 | 1997-12-17 | Giesecke & Devrient America, Inc. | Single denomination bill dispensing apparatus |
-
1984
- 1984-07-20 JP JP15056884A patent/JPS6133445A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0812291A1 (en) * | 1995-02-27 | 1997-12-17 | Giesecke & Devrient America, Inc. | Single denomination bill dispensing apparatus |
| EP0812291A4 (en) * | 1995-02-27 | 1998-03-11 | Giesecke & Devrient Us Inc | Single denomination bill dispensing apparatus |
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