JPS6419998U - - Google Patents
Info
- Publication number
- JPS6419998U JPS6419998U JP11337187U JP11337187U JPS6419998U JP S6419998 U JPS6419998 U JP S6419998U JP 11337187 U JP11337187 U JP 11337187U JP 11337187 U JP11337187 U JP 11337187U JP S6419998 U JPS6419998 U JP S6419998U
- Authority
- JP
- Japan
- Prior art keywords
- chip
- diode chip
- fluorescent display
- detection circuit
- 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 3
- 239000004065 semiconductor Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 239000013256 coordination polymer Substances 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図は、本考案の第１の実施例のブロツク図
、第２図は、本考案の第２の実施例のブロツク図
、第３図は、従来のＣＩＧ構造を有する蛍光表示
管を示す一部破段斜視図、第４図はダイオードの
温度に対する接合部の電流―電圧特性図である。
１……ガラス基板、２……配線被膜、３……ド
ツト・アノード電極、４……駆動回路部、５……
陽極陰極、６……外部引き出しリード、７……グ
リツド電極、８……フイラメント陰極、９，１３
……ＩＣチツプ、１０……カバーガラス、１１…
…蛍光表示管、１２……ダイオード・チツプ、１
４……電流源、１５……抵抗、１６……検知回路
、１７……ピーク・ホールド回路、１８……比較
回路、１９……ブランキング回路、２０……ＣＰ
Ｕ、２１……Ａ／Ｄ変換器、２２……積分器。
Fig. 1 is a block diagram of a first embodiment of the present invention, Fig. 2 is a block diagram of a second embodiment of the present invention, and Fig. 3 shows a fluorescent display tube having a conventional CIG structure. FIG. 4, a partially broken perspective view, is a current-voltage characteristic diagram of the junction portion with respect to the temperature of the diode. DESCRIPTION OF SYMBOLS 1...Glass substrate, 2...Wiring film, 3...Dot anode electrode, 4...Drive circuit section, 5...
Anode cathode, 6... External lead, 7... Grid electrode, 8... Filament cathode, 9, 13
...IC chip, 10...Cover glass, 11...
... Fluorescent display tube, 12 ... Diode chip, 1
4...Current source, 15...Resistor, 16...Detection circuit, 17...Peak hold circuit, 18...Comparison circuit, 19...Blanking circuit, 20...CP
U, 21... A/D converter, 22... integrator.
Claims (1)
半導体ＩＣチツプの接合部温度を検知するための
ダイオード・チツプを内蔵する蛍光表示管と、ダ
イオード・チツプの電流供給源と、ダイオード・
チツプの電流値を検出する検出回路と、検出回路
の出力によつて表示の点灯を制御する回路とを有
することを特徴とする蛍光表示装置。 A fluorescent display tube containing a driving semiconductor IC chip in a vacuum envelope, a diode chip for detecting the junction temperature of the semiconductor IC chip, a current supply source for the diode chip, and a diode chip.
A fluorescent display device comprising: a detection circuit that detects a current value of a chip; and a circuit that controls lighting of a display based on the output of the detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11337187U JPS6419998U (en) | 1987-07-23 | 1987-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11337187U JPS6419998U (en) | 1987-07-23 | 1987-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6419998U true JPS6419998U (en) | 1989-01-31 |
Family
ID=31353147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11337187U Pending JPS6419998U (en) | 1987-07-23 | 1987-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6419998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0418595U (en) * | 1990-06-05 | 1992-02-17 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5637151B2 (en) * | 1976-01-28 | 1981-08-28 | ||
| JPS59163528A (en) * | 1983-03-09 | 1984-09-14 | Seiko Epson Corp | Temperature detecting circuit |
| JPS61140038A (en) * | 1984-12-11 | 1986-06-27 | Nec Corp | Fluorescent character display tube |
-
1987
- 1987-07-23 JP JP11337187U patent/JPS6419998U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5637151B2 (en) * | 1976-01-28 | 1981-08-28 | ||
| JPS59163528A (en) * | 1983-03-09 | 1984-09-14 | Seiko Epson Corp | Temperature detecting circuit |
| JPS61140038A (en) * | 1984-12-11 | 1986-06-27 | Nec Corp | Fluorescent character display tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0418595U (en) * | 1990-06-05 | 1992-02-17 |
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