JPS62156895U - - Google Patents
Info
- Publication number
- JPS62156895U JPS62156895U JP4584886U JP4584886U JPS62156895U JP S62156895 U JPS62156895 U JP S62156895U JP 4584886 U JP4584886 U JP 4584886U JP 4584886 U JP4584886 U JP 4584886U JP S62156895 U JPS62156895 U JP S62156895U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- operated switch
- luminance
- detecting means
- externally operated
- 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 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Description
第１図は発光表示時計の外観正面図、第２図は
動作状態を示す外観図、第３図は第１実施例の全
体回路図、第４図はＬＥＤ表示装置の構成図、第
５、第６図は第１実施例の動作を説明するための
タイミングチヤート、第７図は第２実施例の要部
回路図、第８図は第２実施例の動作を説明するた
めのタイミングチヤートである。
４……ＬＥＤ表示装置、５……発振分周回路、
６……計時カウンタ、１０……ＬＥＤドライバ、
１１……コモン信号発生回路、１６……発光表示
制御回路、１７……スイツチ入力回路、１８……
立上り検出回路、２８……ＲＳ―フリツプフロツ
プ、２９……タイマ、Ｓ１……操作スイツチ。
Fig. 1 is an external front view of the luminescent display clock, Fig. 2 is an external view showing the operating state, Fig. 3 is an overall circuit diagram of the first embodiment, Fig. 4 is a configuration diagram of the LED display device, Fig. 5 is FIG. 6 is a timing chart for explaining the operation of the first embodiment, FIG. 7 is a main circuit diagram of the second embodiment, and FIG. 8 is a timing chart for explaining the operation of the second embodiment. be. 4...LED display device, 5...Oscillation frequency dividing circuit,
6...Time counter, 10...LED driver,
11...Common signal generation circuit, 16...Light emission display control circuit, 17...Switch input circuit, 18...
Rise detection circuit, 28...RS-flip-flop, 29...timer, S1 ...operation switch.
Claims (1)
して時刻を表示する発光表示時計において、前記
外部操作スイツチの操作時間を検出する検出手段
と、この検出手段の検出結果に応じて前記発光表
示装置の輝度を可変する輝度可変手段とを具備し
てなる発光表示時計。 A light emitting display clock that displays the time by driving a light emitting element by operating an externally operated switch includes a detecting means for detecting the operation time of the externally operated switch, and a luminance of the light emitting display device according to the detection result of the detecting means. A luminescent display clock comprising a luminance variable means for varying the brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4584886U JPS62156895U (en) | 1986-03-28 | 1986-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4584886U JPS62156895U (en) | 1986-03-28 | 1986-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62156895U true JPS62156895U (en) | 1987-10-05 |
Family
ID=30864962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4584886U Pending JPS62156895U (en) | 1986-03-28 | 1986-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62156895U (en) |
-
1986
- 1986-03-28 JP JP4584886U patent/JPS62156895U/ja active Pending
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