JPH0440300U - - Google Patents
Info
- Publication number
- JPH0440300U JPH0440300U JP8301390U JP8301390U JPH0440300U JP H0440300 U JPH0440300 U JP H0440300U JP 8301390 U JP8301390 U JP 8301390U JP 8301390 U JP8301390 U JP 8301390U JP H0440300 U JPH0440300 U JP H0440300U
- Authority
- JP
- Japan
- Prior art keywords
- audio
- signal
- audio circuit
- fault
- detection device
- 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
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Description
第１図はこの考案の一実施例による音声回路障
害検出装置の系統図である。第２図はこの考案の
実施例の応用を示した系統図である。第３図は従
来の音声回路例を示した系統図である。
図において、４は発振器、５は合成回路、２は
音声増幅器、６は分岐回路、７はＢＰＦ、８は増
幅器、９は検出回路、１２はスピーカーを示す。
なお図中、同一符号は同一、又は相当部分を示す
。
FIG. 1 is a system diagram of an audio circuit fault detection device according to an embodiment of this invention. FIG. 2 is a system diagram showing the application of an embodiment of this invention. FIG. 3 is a system diagram showing an example of a conventional audio circuit. In the figure, 4 is an oscillator, 5 is a synthesis circuit, 2 is an audio amplifier, 6 is a branch circuit, 7 is a BPF, 8 is an amplifier, 9 is a detection circuit, and 12 is a speaker.
In the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
る事により、音声回路の障害を検出することを特
徴とする音声回路障害検出装置。 An audio circuit fault detection device characterized by detecting a fault in an audio circuit by superimposing a signal at an audible frequency or higher on an audio signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8301390U JPH0440300U (en) | 1990-08-04 | 1990-08-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8301390U JPH0440300U (en) | 1990-08-04 | 1990-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0440300U true JPH0440300U (en) | 1992-04-06 |
Family
ID=31630327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8301390U Pending JPH0440300U (en) | 1990-08-04 | 1990-08-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007033288A (en) * | 2005-07-28 | 2007-02-08 | Toa Corp | Loudspeaker line inspection device and terminal device for loudspeaker line inspection device |
-
1990
- 1990-08-04 JP JP8301390U patent/JPH0440300U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007033288A (en) * | 2005-07-28 | 2007-02-08 | Toa Corp | Loudspeaker line inspection device and terminal device for loudspeaker line inspection device |
| JP4493564B2 (en) * | 2005-07-28 | 2010-06-30 | ティーオーエー株式会社 | Speaker line inspection device and terminal device for speaker line inspection device |
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