JPS5462701A - Electronic tuning desplay unit - Google Patents
Electronic tuning desplay unitInfo
- Publication number
- JPS5462701A JPS5462701A JP12940977A JP12940977A JPS5462701A JP S5462701 A JPS5462701 A JP S5462701A JP 12940977 A JP12940977 A JP 12940977A JP 12940977 A JP12940977 A JP 12940977A JP S5462701 A JPS5462701 A JP S5462701A
- Authority
- JP
- Japan
- Prior art keywords
- lighted
- display
- modulated wave
- counter
- 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
Abstract
PURPOSE: To obtain a simply-constituted and easy-to-see circuit which is able to select the size of its display part freely and to make linear display, by providing an oscillator and counter controlled depending upon the duty ratio of a pulse-width modulated wave.
CONSTITUTION: Although pulse oscillator 2 generates N-1 pulses (b) within repetitive period T of pulse-width modulated wave 1, N-scale counter 3 counts (n) pulses (c) during T1 at a certain ratio of modulated wave 1. Since the output of counter 3 is binary, converter circuit 4 converts it into a N-scale numeral and dispaly elements of display unit 5 are lighted. In this case, display elements O to (n) are lighted in sequence corresponding to the count, so that (n+1) display elements will appear to be lighted.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12940977A JPS5462701A (en) | 1977-10-27 | 1977-10-27 | Electronic tuning desplay unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12940977A JPS5462701A (en) | 1977-10-27 | 1977-10-27 | Electronic tuning desplay unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5462701A true JPS5462701A (en) | 1979-05-21 |
Family
ID=15008821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12940977A Pending JPS5462701A (en) | 1977-10-27 | 1977-10-27 | Electronic tuning desplay unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5462701A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4911627B1 (en) * | 1970-10-26 | 1974-03-18 | ||
JPS5235901A (en) * | 1975-09-16 | 1977-03-18 | Nec Home Electronics Ltd | Selective station display circuit |
-
1977
- 1977-10-27 JP JP12940977A patent/JPS5462701A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4911627B1 (en) * | 1970-10-26 | 1974-03-18 | ||
JPS5235901A (en) * | 1975-09-16 | 1977-03-18 | Nec Home Electronics Ltd | Selective station display circuit |
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