JPH0343243U - - Google Patents
Info
- Publication number
- JPH0343243U JPH0343243U JP10328689U JP10328689U JPH0343243U JP H0343243 U JPH0343243 U JP H0343243U JP 10328689 U JP10328689 U JP 10328689U JP 10328689 U JP10328689 U JP 10328689U JP H0343243 U JPH0343243 U JP H0343243U
- Authority
- JP
- Japan
- Prior art keywords
- magnetron
- high voltage
- alarm signal
- heater current
- 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.)
- Granted
Links
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Microwave Tubes (AREA)
- Amplitude Modulation (AREA)
Description
第１図は本考案にかかるマゲネトロン変調回路
の保護回路の実施例のブロツク図である。
１…マグネトロン、２…変調回路電源、３…サ
イリスタ（ＥＥＴ）、４…検出回路、５…トリガ
増幅回路、６…ヒータ電源、７…パルストランス
、８…パルス形成回路。
FIG. 1 is a block diagram of an embodiment of a protection circuit for a magnetron modulation circuit according to the present invention. DESCRIPTION OF SYMBOLS 1... Magnetron, 2... Modulation circuit power supply, 3... Thyristor (EET), 4... Detection circuit, 5... Trigger amplifier circuit, 6... Heater power supply, 7... Pulse transformer, 8... Pulse forming circuit.
Claims (1)
報信号を出力するヒータ電流監視手段と、 前記警報信号によつて前記マグネトロンに印加
する高電圧を遮断する高電圧遮断手段とを備えた
ことを特徴とするマグネトロン変調回路の保護回
路。[Claims for Utility Model Registration] Heater current monitoring means that outputs an alarm signal when the heater current value of the magnetron is abnormal; and high voltage cutoff means that cuts off the high voltage applied to the magnetron in response to the alarm signal. A protection circuit for a magnetron modulation circuit, characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989103286U JPH0728687Y2 (en) | 1989-09-01 | 1989-09-01 | Protection circuit for magnetron modulation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989103286U JPH0728687Y2 (en) | 1989-09-01 | 1989-09-01 | Protection circuit for magnetron modulation circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0343243U true JPH0343243U (en) | 1991-04-23 |
| JPH0728687Y2 JPH0728687Y2 (en) | 1995-06-28 |
Family
ID=31652134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989103286U Expired - Lifetime JPH0728687Y2 (en) | 1989-09-01 | 1989-09-01 | Protection circuit for magnetron modulation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0728687Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010128551A (en) * | 2008-11-25 | 2010-06-10 | Nec Microwave Inc | Current measuring circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS491522U (en) * | 1972-04-13 | 1974-01-08 | ||
| JPH01176350U (en) * | 1988-06-02 | 1989-12-15 |
-
1989
- 1989-09-01 JP JP1989103286U patent/JPH0728687Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS491522U (en) * | 1972-04-13 | 1974-01-08 | ||
| JPH01176350U (en) * | 1988-06-02 | 1989-12-15 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010128551A (en) * | 2008-11-25 | 2010-06-10 | Nec Microwave Inc | Current measuring circuit |
| US8981799B2 (en) | 2008-11-25 | 2015-03-17 | Netcomsec Co.Ltd | Current measuring circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0728687Y2 (en) | 1995-06-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |