JPH02140598U - - Google Patents
Info
- Publication number
- JPH02140598U JPH02140598U JP5107089U JP5107089U JPH02140598U JP H02140598 U JPH02140598 U JP H02140598U JP 5107089 U JP5107089 U JP 5107089U JP 5107089 U JP5107089 U JP 5107089U JP H02140598 U JPH02140598 U JP H02140598U
- Authority
- JP
- Japan
- Prior art keywords
- section
- unit
- counter
- pitch
- searching
- 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
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
Description
第１図は本考案の調律器のブロツク図、第２図
ａは反射型ピツクアツプ部の構成部、第２図ｂは
他の反射型ピツクアツプ部の構成図、第３図ａは
赤外線フオトダイオード（反射型）の回路図、第
３図ｂは赤外線フオトダイオード（遮蔽型）の回
路図、第４図ａは第１の実施例における使用状態
説明図、第４図ｂは第１の実施例における調律器
の外観図、第５図ａは第２の実施例における使用
状態説明図、第５図ｂは第２の実施例におけるピ
ツクアツプ部の構成図、第６図ａは第３の実施例
における使用状態説明図、第６図ｂは第３の実施
例におけるピツクアツプ部の構成図、第７図ａは
第３の実施例におけるブロツク構成図、第７図ｂ
は第２の実施例における他のブロツク構成図、第
７図ｃは第７図ｂに示した加算回路部の詳細回路
図である。
１…弦、２…ピツクアツプ部、７…波形成形部
、８…カウンタ部、９…発振部、１０…ピツチ抽
出部、１１…オクターブ検索部、１２…音名検索
部、１３…セント偏差計算部、１４…表示部、１
５…表示体、１６…記憶装置。
Figure 1 is a block diagram of the tuner of the present invention, Figure 2a is the configuration of a reflective pickup section, Figure 2b is a configuration diagram of another reflective pickup unit, and Figure 3a is an infrared photodiode ( FIG. 3b is a circuit diagram of an infrared photodiode (shielded type), FIG. An external view of the tuner, FIG. 5a is an explanatory diagram of the state of use in the second embodiment, FIG. 5b is a configuration diagram of the pickup section in the second embodiment, and FIG. 6a is a diagram of the third embodiment. Fig. 6b is a block diagram of the pickup section in the third embodiment; Fig. 7a is a block diagram of the third embodiment; Fig. 7b
7 is another block diagram of the second embodiment, and FIG. 7c is a detailed circuit diagram of the adder circuit section shown in FIG. 7b. 1... String, 2... Pickup section, 7... Waveform shaping section, 8... Counter section, 9... Oscillator section, 10... Pitch extraction section, 11... Octave search section, 12... Pitch name search section, 13... Cent deviation calculation section , 14...display section, 1
5...Display body, 16...Storage device.
Claims (1)
部と、ピツクアツプした信号を波形成形する波形
成形部と、前記波形成形部の信号周期をカウント
するカウンタ部と、このカウンタ部にクロツクを
供給する発振部と、前記カウンタ部のデータから
ピツチを抽出するピツチ抽出部と、抽出されたピ
ツチに基づいてオクターブと音名をそれぞれ検索
する検索部、およびセント偏差計算部と、前記検
索部の検索結果を表示するための表示部および表
示体と、検索のための各常数や表を記憶している
記憶装置からなる調律器。 a pickup section that directly detects vibrations of the strings of a stringed instrument; a waveform shaping section that shapes the picked up signal into a waveform; a counter section that counts the signal period of the waveform shaping section; and an oscillation section that supplies a clock to the counter section. , a pitch extraction unit that extracts pitch from the data of the counter unit, a search unit that searches for an octave and a note name based on the extracted pitch, and a cent deviation calculation unit, and displays the search results of the search unit. A tuner consisting of a display unit and a display body for searching, and a storage device for storing constants and tables for searching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5107089U JPH02140598U (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5107089U JPH02140598U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140598U true JPH02140598U (en) | 1990-11-26 |
Family
ID=31570174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5107089U Pending JPH02140598U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140598U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50125717A (en) * | 1974-03-07 | 1975-10-03 | ||
| JPS62208095A (en) * | 1986-03-10 | 1987-09-12 | セイコーインスツルメンツ株式会社 | Electronic type tuning apparatus |
| JPS6319898B2 (en) * | 1982-12-20 | 1988-04-25 | Nippon Electric Co |
-
1989
- 1989-04-28 JP JP5107089U patent/JPH02140598U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50125717A (en) * | 1974-03-07 | 1975-10-03 | ||
| JPS6319898B2 (en) * | 1982-12-20 | 1988-04-25 | Nippon Electric Co | |
| JPS62208095A (en) * | 1986-03-10 | 1987-09-12 | セイコーインスツルメンツ株式会社 | Electronic type tuning apparatus |
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