JPS648876U - - Google Patents
Info
- Publication number
- JPS648876U JPS648876U JP10421487U JP10421487U JPS648876U JP S648876 U JPS648876 U JP S648876U JP 10421487 U JP10421487 U JP 10421487U JP 10421487 U JP10421487 U JP 10421487U JP S648876 U JPS648876 U JP S648876U
- Authority
- JP
- Japan
- Prior art keywords
- warning sound
- camera
- input system
- microphone input
- frequency
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 1
Description
第１図は本考案の実施例を示すマイク入力系回
路のブロツク図、第２図は同実施例を示す警告音
発生回路系のブロツク図、第３図ａ，ｂはそれぞ
れ同実施例の警告音とトラツプ回路の周波数スペ
クトラムを示す図である。
１……マイクロホン、２……マイクアンプ、３
……トラツプ回路、１０……正弦波発振器。
Figure 1 is a block diagram of a microphone input system circuit showing an embodiment of the present invention, Figure 2 is a block diagram of a warning sound generation circuit system showing the same embodiment, and Figures 3a and b are warning alarms of the same embodiment. FIG. 3 is a diagram showing frequency spectra of sound and trap circuits. 1...Microphone, 2...Mic amplifier, 3
...Trap circuit, 10...Sine wave oscillator.
Claims (1)
ＴＲにおいて、マイク入力系回路に前記警告音の
周波数に同調したトラツプ回路を設けたことを特
徴とするカメラ一体型ＶＴＲ。 Camera type V with a single-tone warning sound generating means
A camera-integrated VTR characterized in that a microphone input system circuit is provided with a trap circuit tuned to the frequency of the warning sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10421487U JPS648876U (en) | 1987-07-06 | 1987-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10421487U JPS648876U (en) | 1987-07-06 | 1987-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648876U true JPS648876U (en) | 1989-01-18 |
Family
ID=31335734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10421487U Pending JPS648876U (en) | 1987-07-06 | 1987-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8076822B2 (en) | 2008-03-26 | 2011-12-13 | Sony Corporation | Piezoelectric element drive device, electronic apparatus, and method for controlling piezoelectric element drive frequency |
-
1987
- 1987-07-06 JP JP10421487U patent/JPS648876U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8076822B2 (en) | 2008-03-26 | 2011-12-13 | Sony Corporation | Piezoelectric element drive device, electronic apparatus, and method for controlling piezoelectric element drive frequency |