JPS59112991U - magnetic recording and reproducing device - Google Patents
magnetic recording and reproducing deviceInfo
- Publication number
- JPS59112991U JPS59112991U JP660683U JP660683U JPS59112991U JP S59112991 U JPS59112991 U JP S59112991U JP 660683 U JP660683 U JP 660683U JP 660683 U JP660683 U JP 660683U JP S59112991 U JPS59112991 U JP S59112991U
- Authority
- JP
- Japan
- Prior art keywords
- power transistor
- magnetic recording
- reproducing device
- utility
- power
- 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
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来のVTRの電源系統の構成図、第2図は従
来のパワートランジスタ及び放熱板の斜視図、第3図は
本考案の一実施例におけるVTRの電源系統の構成図、
第4図はレギュレータの回路図であ−る。
18・・・電源トランス、20・・・電源スィッチ、2
3〜25・・・負荷、27・・・レギュレータ、28゜
29・・−負荷、30・・・パワートランジスタ、31
・・・シリンダーモータ金具。FIG. 1 is a configuration diagram of a conventional VTR power supply system, FIG. 2 is a perspective view of a conventional power transistor and a heat sink, and FIG. 3 is a configuration diagram of a VTR power supply system in an embodiment of the present invention.
FIG. 4 is a circuit diagram of the regulator. 18...Power transformer, 20...Power switch, 2
3 to 25...Load, 27...Regulator, 28°29...-Load, 30...Power transistor, 31
...Cylinder motor fittings.
Claims (1)
スタを備え、このパワートランジスタを結露防止用ヒー
ターとして用いる構成とした電気器具。 2 パワートランジスタにより、モードによる消費電流
の変化が少ない負荷回路を駆動し、パワートランジスタ
のコレクタ損失が、電源スイッチオ゛ン時よりもオフ時
の方が大き′(なる構成とした実用新案登録請求の範囲
第1項記載の電気器具。[Claims for Utility Model Registration] 1. An electrical appliance that is equipped with a power transistor that operates even when the power switch is turned off, and that is configured to use this power transistor as a heater to prevent condensation. 2 A utility model registration request for a configuration in which a power transistor drives a load circuit whose current consumption changes little depending on the mode, and the collector loss of the power transistor is larger when the power switch is off than when it is on. Electrical appliances described in item 1 of the scope.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP660683U JPS59112991U (en) | 1983-01-19 | 1983-01-19 | magnetic recording and reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP660683U JPS59112991U (en) | 1983-01-19 | 1983-01-19 | magnetic recording and reproducing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59112991U true JPS59112991U (en) | 1984-07-30 |
JPH02946Y2 JPH02946Y2 (en) | 1990-01-10 |
Family
ID=30138153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP660683U Granted JPS59112991U (en) | 1983-01-19 | 1983-01-19 | magnetic recording and reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59112991U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5146931U (en) * | 1974-10-01 | 1976-04-07 | ||
JPS51101859A (en) * | 1975-03-05 | 1976-09-08 | Tokyo Shibaura Electric Co | DENKIKIKI SHUNOBAKONO JOSHITSU SOCHI |
-
1983
- 1983-01-19 JP JP660683U patent/JPS59112991U/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5146931U (en) * | 1974-10-01 | 1976-04-07 | ||
JPS51101859A (en) * | 1975-03-05 | 1976-09-08 | Tokyo Shibaura Electric Co | DENKIKIKI SHUNOBAKONO JOSHITSU SOCHI |
Also Published As
Publication number | Publication date |
---|---|
JPH02946Y2 (en) | 1990-01-10 |
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