JPH01171666U - - Google Patents
Info
- Publication number
- JPH01171666U JPH01171666U JP6820388U JP6820388U JPH01171666U JP H01171666 U JPH01171666 U JP H01171666U JP 6820388 U JP6820388 U JP 6820388U JP 6820388 U JP6820388 U JP 6820388U JP H01171666 U JPH01171666 U JP H01171666U
- Authority
- JP
- Japan
- Prior art keywords
- density
- light emitting
- emitting element
- printer
- detection circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
Description
第１図、第２図はこの考案の一実施例を示し、
第１図はそれの全体構成を示す斜視図、第２図は
濃度検出回路及び発光素子点灯回路を示す回路図
である。
図において、１はプリンタ装置本体、２はプリ
ンタ用紙、３はインクリボン、４は発光素子、５
は濃度検出・発光素子点灯回路、６は光源回路、
７はレンズ、８は濃度センサ、９はスイツチ回路
、１０は濃度検出回路、１１はスイツチ接点、１
２は点灯用電源、１３は発光素子点灯回路である
。図中同一符号は同一あるいは相当部分を示す。
Figures 1 and 2 show an embodiment of this invention,
FIG. 1 is a perspective view showing the overall configuration thereof, and FIG. 2 is a circuit diagram showing a concentration detection circuit and a light emitting element lighting circuit. In the figure, 1 is the main body of the printer, 2 is printer paper, 3 is an ink ribbon, 4 is a light emitting element, and 5 is a printer paper.
6 is a concentration detection/light emitting element lighting circuit, 6 is a light source circuit,
7 is a lens, 8 is a concentration sensor, 9 is a switch circuit, 10 is a concentration detection circuit, 11 is a switch contact, 1
2 is a lighting power source, and 13 is a light emitting element lighting circuit. The same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
プリンタ装置において、上記プリンタ用紙への印
字の濃度を検出する濃度検出回路と、この検出回
路による印字の所定濃度以下の検出に応じ発光素
子を点灯する発光素子点灯回路を設けたことを特
徴とするプリンタ装置。 In a printer device that prints on printer paper via an ink ribbon, there is provided a density detection circuit that detects the density of printing on the printer paper, and a light emitting element that lights up a light emitting element when the detection circuit detects that the density of the printing is below a predetermined density. A printer device characterized by being provided with a lighting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6820388U JPH01171666U (en) | 1988-05-24 | 1988-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6820388U JPH01171666U (en) | 1988-05-24 | 1988-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171666U true JPH01171666U (en) | 1989-12-05 |
Family
ID=31293525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6820388U Pending JPH01171666U (en) | 1988-05-24 | 1988-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171666U (en) |
-
1988
- 1988-05-24 JP JP6820388U patent/JPH01171666U/ja active Pending