JPS6386694U - - Google Patents
Info
- Publication number
- JPS6386694U JPS6386694U JP17967886U JP17967886U JPS6386694U JP S6386694 U JPS6386694 U JP S6386694U JP 17967886 U JP17967886 U JP 17967886U JP 17967886 U JP17967886 U JP 17967886U JP S6386694 U JPS6386694 U JP S6386694U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- detection circuit
- output
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Liquid Crystal Display Device Control (AREA)
- Meter Arrangements (AREA)
- Devices For Supply Of Signal Current (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は輝度調整回路を示す回路図、第３図は動
作を説明するためのフローチヤートである。
４……子機（ボタン電話機）、４３……制御部
、４５……表示器、４３１……プロセツサユニツ
ト、４５１……液晶表示素子の駆動回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a circuit diagram showing the brightness adjustment circuit, and FIG. 3 is a flowchart for explaining the operation. 4...Slave device (button telephone), 43...Control unit, 45...Display device, 431...Processor unit, 451...Liquid crystal display element drive circuit.
Claims (1)
輝度調整端子を有する液晶表示素子の駆動回路と
、ダイヤルキーの特定の組合せの２重操作を検出
する検出回路と、この検出回路の出力に応じて、
上記液晶表示素子の駆動回路の輝度調整端子に所
定の輝度制御信号を切換え送出する輝度制御回路
とを備えたことを特徴とする表示器付電話機。 In a display phone equipped with a liquid crystal display,
A drive circuit for a liquid crystal display element having a brightness adjustment terminal, a detection circuit for detecting double operation of a specific combination of dial keys, and an output of the detection circuit according to the output of the detection circuit.
A telephone with a display device, comprising: a brightness control circuit that switches and sends a predetermined brightness control signal to a brightness adjustment terminal of the drive circuit for the liquid crystal display element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17967886U JPS6386694U (en) | 1986-11-25 | 1986-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17967886U JPS6386694U (en) | 1986-11-25 | 1986-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6386694U true JPS6386694U (en) | 1988-06-06 |
Family
ID=31122946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17967886U Pending JPS6386694U (en) | 1986-11-25 | 1986-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6386694U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828783A (en) * | 1981-08-14 | 1983-02-19 | セイコーエプソン株式会社 | Data input system for liquid crystal character display |
| JPS5987387A (en) * | 1982-11-11 | 1984-05-19 | Seiko Epson Corp | Electronic wrist watch with liquid crystal display |
| JPS61181296A (en) * | 1985-02-06 | 1986-08-13 | Nec Corp | Key telephone set |
-
1986
- 1986-11-25 JP JP17967886U patent/JPS6386694U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828783A (en) * | 1981-08-14 | 1983-02-19 | セイコーエプソン株式会社 | Data input system for liquid crystal character display |
| JPS5987387A (en) * | 1982-11-11 | 1984-05-19 | Seiko Epson Corp | Electronic wrist watch with liquid crystal display |
| JPS61181296A (en) * | 1985-02-06 | 1986-08-13 | Nec Corp | Key telephone set |