JPS63196196U - - Google Patents
Info
- Publication number
- JPS63196196U JPS63196196U JP8646387U JP8646387U JPS63196196U JP S63196196 U JPS63196196 U JP S63196196U JP 8646387 U JP8646387 U JP 8646387U JP 8646387 U JP8646387 U JP 8646387U JP S63196196 U JPS63196196 U JP S63196196U
- Authority
- JP
- Japan
- Prior art keywords
- frequency signal
- generation circuit
- frequency
- amplifying
- amplification
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は、本考案の一実施例の回路構成を示す
図、第２図は本実施例の音圧―周波数特性を示す
図、第３図は本考案の他の実施例の回路構成を示
す図、第４図は上記第３図の補正回路を詳細に示
す図、第５図は従来例の音圧―周波数特性を示す
図である。
１……制御部、２……メロデイ周波数信号発生
回路、３，１５……デコーダ、４，１８，１９…
…補正回路、５，２０……オペアンプ、６，２１
……スピーカ、１０……入力部、１０ａ……キー
ボード部、１１ｂ……入出力切換キー、１０ｃ…
…オードダイヤルキー、１０ｄ……ページ送りキ
ー、１１……記憶部、１２……ＲＡＭ制御部、１
３……表示制御部、１４……表示部、１６……低
周波発生回路、１７……高周波発生回路、Ｓ０〜
Ｓ６……スイツチングトランジスタ、Ｒ０〜Ｒ６
……入力抵抗、ＲＦ……フイードバツク抵抗、Ｎ
……ネームエリア、ＴＬ……ナンバーエリア、Ｌ
Ｗ……低周波数信号、ＨＷ……高周波数信号。
Fig. 1 is a diagram showing the circuit configuration of one embodiment of the present invention, Fig. 2 is a diagram showing the sound pressure-frequency characteristics of this embodiment, and Fig. 3 is a diagram showing the circuit configuration of another embodiment of the present invention. FIG. 4 is a diagram showing details of the correction circuit shown in FIG. 3, and FIG. 5 is a diagram showing sound pressure-frequency characteristics of a conventional example. DESCRIPTION OF SYMBOLS 1... Control part, 2... Melody frequency signal generation circuit, 3, 15... Decoder, 4, 18, 19...
... Correction circuit, 5, 20... Operational amplifier, 6, 21
...Speaker, 10...Input section, 10a...Keyboard section, 11b...Input/output switching key, 10c...
...Auto dial key, 10d...Page forward key, 11...Storage unit, 12...RAM control unit, 1
3...Display control section, 14...Display section, 16...Low frequency generation circuit, 17...High frequency generation circuit, S0 ~
S6 ...Switching transistor, R0 to R6
...Input resistance, RF...Feedback resistance, N
...Name area, TL...Number area, L
W...Low frequency signal, HW...High frequency signal.
Claims (1)
回路と、 この周波数信号発生回路からの前記周波数信号
を増幅する増幅手段と、 この増幅手段からの増幅された周波数信号によ
つて駆動されて音を発生する音響発生手段とを備
えた音響発生装置において、 前記増幅手段は、前記周波数信号の周波数によ
つて夫々異なつた増幅率で、該周波数信号を増幅
する信号補正回路を備えていることを特徴とする
音響発生装置。[Claims for Utility Model Registration] A frequency signal generation circuit that outputs an acoustic frequency signal, an amplification means for amplifying the frequency signal from the frequency signal generation circuit, and an amplified frequency signal from the amplification means. and a sound generating means that is driven to generate sound, wherein the amplifying means includes a signal correction circuit that amplifies the frequency signal with an amplification factor that varies depending on the frequency of the frequency signal. A sound generating device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086463U JP2527722Y2 (en) | 1987-06-03 | 1987-06-03 | Sound generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086463U JP2527722Y2 (en) | 1987-06-03 | 1987-06-03 | Sound generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63196196U true JPS63196196U (en) | 1988-12-16 |
| JP2527722Y2 JP2527722Y2 (en) | 1997-03-05 |
Family
ID=30942791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987086463U Expired - Lifetime JP2527722Y2 (en) | 1987-06-03 | 1987-06-03 | Sound generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2527722Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS536074A (en) * | 1976-07-06 | 1978-01-20 | Citizen Watch Co Ltd | Electronic watch with alarm |
| JPS5857110U (en) * | 1981-10-14 | 1983-04-18 | 三洋電機株式会社 | Low frequency characteristic improvement circuit |
-
1987
- 1987-06-03 JP JP1987086463U patent/JP2527722Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS536074A (en) * | 1976-07-06 | 1978-01-20 | Citizen Watch Co Ltd | Electronic watch with alarm |
| JPS5857110U (en) * | 1981-10-14 | 1983-04-18 | 三洋電機株式会社 | Low frequency characteristic improvement circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2527722Y2 (en) | 1997-03-05 |
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