JPS5548609A - Electronic analog meter display unit - Google Patents
Electronic analog meter display unitInfo
- Publication number
- JPS5548609A JPS5548609A JP12199578A JP12199578A JPS5548609A JP S5548609 A JPS5548609 A JP S5548609A JP 12199578 A JP12199578 A JP 12199578A JP 12199578 A JP12199578 A JP 12199578A JP S5548609 A JPS5548609 A JP S5548609A
- Authority
- JP
- Japan
- Prior art keywords
- becomes
- segments
- logic
- light emission
- output terminal
- 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
Abstract
PURPOSE: To secure a strong impression to the sensibility of the measurer by giving the different color to the display segment from the color given before the readings reaches the fixed level in case the readings becomes higher or lower than the fixed level.
CONSTITUTION: When the fuel tank is filled about 60%, the signals sent from the sensor part are supplied to the A/D converter or counter 4. And the output is turned to the signal which is decoded through decoder 5 to emerge at output terminal 56 in the form of logic "1" along with the voltage applied to segments 1W6 showing 60% via the higher priority circuit. Thus all segments have the green light emission. In this case, transmission gate 7 conducts and transmission gate 8 becomes noncorductive to actuate diode chip G1. Then when the remaining amount of the fuel tank becomes about 10%, the digital signals corresponding to the analog amount turns only output terminal 51 to logic "1". As a result, gates 7 and 8 feature the opposite states to the above, and diode chip R1 gives the red light emission only to the lowest-rank segment. Thus a small residual amount of the fuel can be impressed strong.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12199578A JPS5548609A (en) | 1978-10-05 | 1978-10-05 | Electronic analog meter display unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12199578A JPS5548609A (en) | 1978-10-05 | 1978-10-05 | Electronic analog meter display unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5548609A true JPS5548609A (en) | 1980-04-07 |
Family
ID=14824949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12199578A Pending JPS5548609A (en) | 1978-10-05 | 1978-10-05 | Electronic analog meter display unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5548609A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4934852A (en) * | 1987-03-13 | 1990-06-19 | Karel Havel | Variable color display typewriter |
-
1978
- 1978-10-05 JP JP12199578A patent/JPS5548609A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4934852A (en) * | 1987-03-13 | 1990-06-19 | Karel Havel | Variable color display typewriter |
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