JPH0361714U - - Google Patents
Info
- Publication number
- JPH0361714U JPH0361714U JP12221989U JP12221989U JPH0361714U JP H0361714 U JPH0361714 U JP H0361714U JP 12221989 U JP12221989 U JP 12221989U JP 12221989 U JP12221989 U JP 12221989U JP H0361714 U JPH0361714 U JP H0361714U
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- detected
- digital
- digital audio
- unique information
- 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
- 230000005236 sound signal Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Amplifiers (AREA)
Description
第１図は、この考案によるオーデイオ信号切り
換え装置の一実施例を示すブロツク図、第２図は
第１図の実施例における信号切り換え出力処理の
流れを示すフローチヤート、第３図は従来のオー
デイオ信号切り換え装置の構成を示すブロツク図
である。
１……ＣＤ、２……カセツト／チユーナ、３…
…ＤＡＴ、４……復調回路、５……Ａ／Ｄ変換器
、６……切り換え回路、７……マイコン。
FIG. 1 is a block diagram showing an embodiment of an audio signal switching device according to this invention, FIG. 2 is a flowchart showing the flow of signal switching output processing in the embodiment of FIG. 1, and FIG. FIG. 2 is a block diagram showing the configuration of a signal switching device. 1...CD, 2...Cassette/Tuner, 3...
...DAT, 4... Demodulation circuit, 5... A/D converter, 6... Switching circuit, 7... Microcomputer.
Claims (1)
ーデイオ装置と、 デジタルオーデイオ信号を出力するデジタルオ
ーデイオ装置と、 前記デジタルオーデイオ信号からデジタル信号
特有の情報の存在を所定のタイムインターバル検
出する検出手段と、 前記検出手段により前記特有の情報が検出され
たとき前記特有の情報が検出されたデジタルオー
デイオ信号を出力するとともに、前記特有の情報
が検出されないときには前記アナログオーデイオ
信号を出力する切り換え手段と、 を備えて成ることを特徴とするオーデイオ信号切
り換え装置。[Claims for Utility Model Registration] An analog audio device that outputs an analog audio signal, a digital audio device that outputs a digital audio signal, and a detection device that detects the presence of information unique to a digital signal from the digital audio signal at a predetermined time interval. and switching means for outputting a digital audio signal in which the unique information is detected when the unique information is detected by the detection means, and outputting the analog audio signal when the unique information is not detected. An audio signal switching device comprising: .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989122219U JPH0756505Y2 (en) | 1989-10-20 | 1989-10-20 | Audio signal switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989122219U JPH0756505Y2 (en) | 1989-10-20 | 1989-10-20 | Audio signal switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0361714U true JPH0361714U (en) | 1991-06-17 |
| JPH0756505Y2 JPH0756505Y2 (en) | 1995-12-25 |
Family
ID=31670230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989122219U Expired - Lifetime JPH0756505Y2 (en) | 1989-10-20 | 1989-10-20 | Audio signal switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0756505Y2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5543665A (en) * | 1978-09-21 | 1980-03-27 | Omron Tateisi Electronics Co | Numerical value setting system |
| JPS5745713U (en) * | 1980-08-30 | 1982-03-13 | ||
| JPS5932207A (en) * | 1982-08-17 | 1984-02-21 | Benitoon:Kk | Automatic selector of input signal |
| JPS62241409A (en) * | 1985-05-29 | 1987-10-22 | Satoru Tobe | Preamplifier |
| JPS6386916A (en) * | 1986-09-30 | 1988-04-18 | Yamaha Corp | Signal selecting circuit |
| JPH0824254A (en) * | 1994-07-15 | 1996-01-30 | Toshiba Corp | Treatment planning device |
-
1989
- 1989-10-20 JP JP1989122219U patent/JPH0756505Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5543665A (en) * | 1978-09-21 | 1980-03-27 | Omron Tateisi Electronics Co | Numerical value setting system |
| JPS5745713U (en) * | 1980-08-30 | 1982-03-13 | ||
| JPS5932207A (en) * | 1982-08-17 | 1984-02-21 | Benitoon:Kk | Automatic selector of input signal |
| JPS62241409A (en) * | 1985-05-29 | 1987-10-22 | Satoru Tobe | Preamplifier |
| JPS6386916A (en) * | 1986-09-30 | 1988-04-18 | Yamaha Corp | Signal selecting circuit |
| JPH0824254A (en) * | 1994-07-15 | 1996-01-30 | Toshiba Corp | Treatment planning device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0756505Y2 (en) | 1995-12-25 |
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