JPH0259530U - - Google Patents
Info
- Publication number
- JPH0259530U JPH0259530U JP13897888U JP13897888U JPH0259530U JP H0259530 U JPH0259530 U JP H0259530U JP 13897888 U JP13897888 U JP 13897888U JP 13897888 U JP13897888 U JP 13897888U JP H0259530 U JPH0259530 U JP H0259530U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- detecting
- coincidence
- input device
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Landscapes
- Controlling Sheets Or Webs (AREA)
- Keying Circuit Devices (AREA)
Description
第１図は一実施例の状態入力装置の回路図、第
２図は一実施例の状態入力装置を適用した液晶プ
リンタの構成図、第３図は一実施例の状態入力装
置の動作を説明するタイムチヤート、第４図は一
実施例の状態入力装置の動作を説明するフローチ
ヤート、第５図は用紙サイズと１６進コードとの
対応図である。
２ａ〜２ｄ……給紙カセツト装着部、３ａ〜３
ｄ……給紙カセツト、５ａ〜５ｄ……カセツトサ
イズ検知部、５ａ１〜５ａ４，５ｂ１〜５ｂ４，
５ｃ１〜５ｃ４，５ｄ１〜５ｄ４……スイツチ、
１４……コントローラ、１５……回路、１６……
ＣＰＵ、１７……バイナリカウンタ、１８……デ
コーダ、１９……一致検出器、Ｒ１〜Ｒ４……プ
ルアツプ抵抗。
FIG. 1 is a circuit diagram of a status input device of one embodiment, FIG. 2 is a configuration diagram of a liquid crystal printer to which the status input device of one embodiment is applied, and FIG. 3 explains the operation of the status input device of one embodiment. FIG. 4 is a flowchart explaining the operation of the status input device of one embodiment, and FIG. 5 is a diagram showing the correspondence between paper size and hexadecimal code. 2a to 2d...Paper cassette mounting section, 3a to 3
d... Paper feeding cassette, 5a to 5d... Cassette size detection section, 5a 1 to 5a 4 , 5b 1 to 5b 4 ,
5c 1 to 5c 4 , 5d 1 to 5d 4 ... switch,
14... Controller, 15... Circuit, 16...
CPU, 17...Binary counter, 18...Decoder, 19...Coincidence detector, R1 to R4 ...Pull-up resistor.
Claims (1)
力装置において、 単一の信号線を介して入力するクロツク信号に
より歩進され２進化信号を出力する計数手段と、
複数のスイツチ素子の一方の端子に共通に所定電
位を印加する電圧印加手段と、前記複数のスイツ
チ素子の他方の端子から出力される信号と前記計
数手段の出力との一致検出を行う一致検出手段と
、前記クロツク信号に同期して前記一致検出手段
の出力信号を単一の出力線を介して入力し該出力
信号に基づき前記スイツチ素子の動作状態を判別
する判別手段とを有することを特徴とする状態入
力装置。[Claims for Utility Model Registration] A status input device for detecting the operating status of a plurality of switch groups, comprising a counting means for outputting a binary signal that is incremented by a clock signal input through a single signal line;
Voltage applying means for commonly applying a predetermined potential to one terminal of the plurality of switch elements; and coincidence detection means for detecting coincidence between the signal output from the other terminal of the plurality of switch elements and the output of the counting means. and determining means for inputting the output signal of the coincidence detecting means via a single output line in synchronization with the clock signal and determining the operating state of the switch element based on the output signal. status input device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988138978U JPH0729075Y2 (en) | 1988-10-25 | 1988-10-25 | Status input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988138978U JPH0729075Y2 (en) | 1988-10-25 | 1988-10-25 | Status input device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0259530U true JPH0259530U (en) | 1990-05-01 |
| JPH0729075Y2 JPH0729075Y2 (en) | 1995-07-05 |
Family
ID=31401811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988138978U Expired - Fee Related JPH0729075Y2 (en) | 1988-10-25 | 1988-10-25 | Status input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0729075Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014203773A (en) * | 2013-04-09 | 2014-10-27 | ローム株式会社 | Switch state detection circuit and switching system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106206A (en) * | 1977-02-25 | 1978-09-16 | Hitachi Ltd | Printing paper feeding position detector |
-
1988
- 1988-10-25 JP JP1988138978U patent/JPH0729075Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53106206A (en) * | 1977-02-25 | 1978-09-16 | Hitachi Ltd | Printing paper feeding position detector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014203773A (en) * | 2013-04-09 | 2014-10-27 | ローム株式会社 | Switch state detection circuit and switching system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729075Y2 (en) | 1995-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |