JPS6092397U - alarm circuit - Google Patents
alarm circuitInfo
- Publication number
- JPS6092397U JPS6092397U JP18005183U JP18005183U JPS6092397U JP S6092397 U JPS6092397 U JP S6092397U JP 18005183 U JP18005183 U JP 18005183U JP 18005183 U JP18005183 U JP 18005183U JP S6092397 U JPS6092397 U JP S6092397U
- Authority
- JP
- Japan
- Prior art keywords
- alarm
- alarm circuit
- amplifier
- signal
- control signal
- 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
Landscapes
- Alarm Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来例による警報回路、第2図は本考 案の
実施例による警報回路を示す。
1.5:制御信号端子、2,6:増幅器、3:音響信号
端子、4,8:′スピーカ、7:警報信号端子、9.1
1:トランジスタ、10:合成用抵抗。FIG. 1 shows an alarm circuit according to a conventional example, and FIG. 2 shows an alarm circuit according to an embodiment of the present invention. 1.5: Control signal terminal, 2, 6: Amplifier, 3: Sound signal terminal, 4, 8: 'Speaker, 7: Alarm signal terminal, 9.1
1: Transistor, 10: Resistor for synthesis.
Claims (1)
幅器と、音響制御信号及び警報制御信号を論理計算する
第1、第2のトランジスタを有する論理回路と、この論
理回路の出力によって制御される前記増幅器の負帰還回
路に設けた第3のトランジスタとで構成したことを特徴
とする警報回an amplifier that amplifies the acoustic signal and the alarm signal and applies the amplified signals to the speaker; a logic circuit that includes first and second transistors that logically calculates the acoustic control signal and the alarm control signal; An alarm circuit characterized by comprising a third transistor provided in a negative feedback circuit of an amplifier.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18005183U JPS6092397U (en) | 1983-11-24 | 1983-11-24 | alarm circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18005183U JPS6092397U (en) | 1983-11-24 | 1983-11-24 | alarm circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6092397U true JPS6092397U (en) | 1985-06-24 |
Family
ID=30390496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18005183U Pending JPS6092397U (en) | 1983-11-24 | 1983-11-24 | alarm circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6092397U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5676895A (en) * | 1979-11-26 | 1981-06-24 | Nissan Motor | Sound generator |
JPS5786911A (en) * | 1980-11-20 | 1982-05-31 | Hitachi Ltd | Method and device for controlling water level of feed water heater |
-
1983
- 1983-11-24 JP JP18005183U patent/JPS6092397U/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5676895A (en) * | 1979-11-26 | 1981-06-24 | Nissan Motor | Sound generator |
JPS5786911A (en) * | 1980-11-20 | 1982-05-31 | Hitachi Ltd | Method and device for controlling water level of feed water heater |
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