JPS6258656U - - Google Patents
Info
- Publication number
- JPS6258656U JPS6258656U JP15048085U JP15048085U JPS6258656U JP S6258656 U JPS6258656 U JP S6258656U JP 15048085 U JP15048085 U JP 15048085U JP 15048085 U JP15048085 U JP 15048085U JP S6258656 U JPS6258656 U JP S6258656U
- Authority
- JP
- Japan
- Prior art keywords
- oscillation
- sensing element
- printing head
- thermal printing
- temperature
- 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
- 230000010355 oscillation Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000007651 thermal printing Methods 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Electronic Switches (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
従来例の回路図である。
１……熱印字ヘツドの発熱温度検知回路、２…
…発振回路、３……カウンタ（発振周波数検出回
路）、９……サーミスタ（感温素子）。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional example. 1... Heat generation temperature detection circuit of thermal printing head, 2...
...Oscillation circuit, 3...Counter (oscillation frequency detection circuit), 9...Thermistor (temperature sensing element).
Claims (1)
感温素子と、 前記感温素子の抵抗値変化に応じた周波数で発
振する発振回路と、 前記発振回路の発振周波数を検出する発振周波
数検出回路とを備えたことを特徴とする熱印字ヘ
ツドの発熱温度検知回路。[Scope of Claim for Utility Model Registration] A temperature sensing element provided at a heat generating temperature detection point of a thermal printing head, an oscillation circuit that oscillates at a frequency corresponding to a change in resistance of the temperature sensing element, and an oscillation frequency of the oscillation circuit. An oscillation frequency detection circuit for detecting heat generation temperature of a thermal printing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15048085U JPS6258656U (en) | 1985-10-01 | 1985-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15048085U JPS6258656U (en) | 1985-10-01 | 1985-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6258656U true JPS6258656U (en) | 1987-04-11 |
Family
ID=31066660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15048085U Pending JPS6258656U (en) | 1985-10-01 | 1985-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6258656U (en) |
-
1985
- 1985-10-01 JP JP15048085U patent/JPS6258656U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6258656U (en) | ||
| JPS6148328U (en) | ||
| JPH01127749U (en) | ||
| JPS62170239U (en) | ||
| JPS61118745U (en) | ||
| JPS62143429U (en) | ||
| JPS62120241U (en) | ||
| JPS62182741U (en) | ||
| JPS6245161U (en) | ||
| JPS6083962U (en) | Wind flow detection device | |
| JPH0184039U (en) | ||
| JPS6281031U (en) | ||
| JPS6249738U (en) | ||
| JPS62159643U (en) | ||
| JPH02150249U (en) | ||
| JPH01108737U (en) | ||
| JPS609187U (en) | heating element | |
| JPS643442U (en) | ||
| JPS62198708U (en) | ||
| JPS6150315U (en) | ||
| JPS59124326U (en) | Bathtub with alarm device | |
| JPS6076843U (en) | Thermal detection device | |
| JPS6333392U (en) | ||
| JPS59184489U (en) | Temperature control circuit for sheet heating element | |
| JPH03826U (en) |