JPH0354089U - - Google Patents
Info
- Publication number
- JPH0354089U JPH0354089U JP11351389U JP11351389U JPH0354089U JP H0354089 U JPH0354089 U JP H0354089U JP 11351389 U JP11351389 U JP 11351389U JP 11351389 U JP11351389 U JP 11351389U JP H0354089 U JPH0354089 U JP H0354089U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- filter
- extracts
- circuit
- infant
- 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
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
Description
第１図は本考案の第１実施例のブロツク図、第
２図は本考案の第２実施例の受信機部のブロツク
図である。
１……マイクロホン、３，９……フイルタ、４
……変調回路、５……送信アンテナ、６……受信
アンテナ、８……復調回路、１０……しきい値検
出・切替回路、１１……警報手段、１２……モニ
タ手段、１３，１４，１５……スイツチ。
FIG. 1 is a block diagram of a first embodiment of the present invention, and FIG. 2 is a block diagram of a receiver section of a second embodiment of the present invention. 1...Microphone, 3, 9...Filter, 4
... Modulation circuit, 5 ... Transmission antenna, 6 ... Reception antenna, 8 ... Demodulation circuit, 10 ... Threshold detection/switching circuit, 11 ... Alarm means, 12 ... Monitor means, 13, 14, 15...Switch.
Claims (1)
ｅ〜ｉの構成要素を有する受信機とを備えたこと
を特徴とする幼児監視装置。 ａ マイクロホン。 ｂ 前記マイクロホンからの信号より、幼児の
泣き声に対応する周波数帯域の信号を取り出すフ
イルタ。 ｃ 前記フイルタからの信号によりＦＭ変調す
る変調回路。 ｄ 前記変調回路からの信号により付勢される
送信アンテナ。 ｅ 受信アンテナ。 ｆ 前記受信アンテナからのＦＭ信号を復調す
る復調回路。 ｇ 前記復調回路からの信号より、幼児の泣き
声に対応する周波数帯域の信号を取り出すフイル
タ。 ｈ 前記フイルタからの信号より、所定のしき
い値以上の信号を取り出すしきい値検出回路。 ｉ 前記しきい値検出回路からの信号に応じて
警報を出す警報手段。 (2) つぎのａ〜ｄの構成要素を有する送信機と
つぎのｅ〜ｍの構成要素を有する受信機とを備え
たことを特徴とする幼児監視装置。 ａ マイクロホン。 ｂ 前記マイクロホンからの信号より、幼児の
泣き声に対応する周波数帯域の信号を取り出すフ
イルタ。 ｃ 前記フイルタからの信号によりＦＭ変調す
る変調回路。 ｄ 前記変調回路からの信号により付勢される
送信アンテナ。 ｅ 受信アンテナ。 ｆ 前記受信アンテナからのＦＭ信号を復調す
る復調回路。 ｇ 前記復調回路からの信号より、幼児の泣き
声に対応する周波数帯域の信号を取り出すフイル
タ。 ｈ 前記フイルタからの信号より、所定のしき
い値以上の信号を取り出すしきい値検出回路。 ｉ 入力信号に応じて警報を出す警報手段。 ｊ 入力信号に応じて音声を出すモニタ手段。 ｋ 前記しきい値検出回路の出力側と前記警報
手段の入力側の間に設けた第１のスイツチ手段。 ｌ 前記復調回路の出力側に設けられ、前記第
１のスイツチ手段の開、閉に対し、閉、開と連動
する第２のスイツチ手段。 ｍ 前記第２のスイツチ手段の出力側と前記モ
ニタ手段の入力側の間に設けられ、前記しきい値
検出回路からの信号に応じて閉じる第３のスイツ
チ手段。[Claims for Utility Model Registration] (1) An infant monitoring device characterized by comprising a transmitter having the following constituent elements a to d and a receiver having the following constituent elements e to i. a Microphone. b. A filter that extracts a signal in a frequency band corresponding to the infant's crying from the signal from the microphone. c A modulation circuit that performs FM modulation using the signal from the filter. d a transmitting antenna energized by a signal from the modulation circuit. e Receiving antenna. f A demodulation circuit that demodulates the FM signal from the receiving antenna. g. A filter that extracts a signal in a frequency band corresponding to an infant's cry from the signal from the demodulation circuit. h. A threshold detection circuit that extracts a signal equal to or higher than a predetermined threshold value from the signal from the filter. i. Alarm means for issuing an alarm in response to a signal from the threshold detection circuit. (2) An infant monitoring device characterized by comprising a transmitter having the following components a to d and a receiver having the following components e to m. a Microphone. b. A filter that extracts a signal in a frequency band corresponding to the infant's crying from the signal from the microphone. c A modulation circuit that performs FM modulation using the signal from the filter. d a transmitting antenna energized by a signal from the modulation circuit. e Receiving antenna. f A demodulation circuit that demodulates the FM signal from the receiving antenna. g. A filter that extracts a signal in a frequency band corresponding to an infant's cry from the signal from the demodulation circuit. h. A threshold detection circuit that extracts a signal equal to or higher than a predetermined threshold value from the signal from the filter. i Alarm means that issues an alarm in response to an input signal. j Monitoring means that produces sound in response to input signals. k. A first switch means provided between the output side of the threshold detection circuit and the input side of the alarm means. l A second switch means provided on the output side of the demodulation circuit and interlocked with the opening and closing of the first switch means. m. Third switch means provided between the output side of the second switch means and the input side of the monitor means and closed in response to a signal from the threshold detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11351389U JPH0354089U (en) | 1989-09-29 | 1989-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11351389U JPH0354089U (en) | 1989-09-29 | 1989-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354089U true JPH0354089U (en) | 1991-05-24 |
Family
ID=31661925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11351389U Pending JPH0354089U (en) | 1989-09-29 | 1989-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354089U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009027323A (en) * | 2007-07-18 | 2009-02-05 | Yamaha Corp | Voice communication device and voice communication system |
| KR200449918Y1 (en) * | 2010-05-11 | 2010-08-20 | 진경만 | Napkin case |
| JP2021018878A (en) * | 2019-07-18 | 2021-02-15 | 三菱電機株式会社 | Controller and lighting control system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510160B2 (en) * | 1974-06-21 | 1980-03-14 | ||
| JPS60200393A (en) * | 1984-03-24 | 1985-10-09 | 松下電工株式会社 | Glass destruction detector |
-
1989
- 1989-09-29 JP JP11351389U patent/JPH0354089U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510160B2 (en) * | 1974-06-21 | 1980-03-14 | ||
| JPS60200393A (en) * | 1984-03-24 | 1985-10-09 | 松下電工株式会社 | Glass destruction detector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009027323A (en) * | 2007-07-18 | 2009-02-05 | Yamaha Corp | Voice communication device and voice communication system |
| KR200449918Y1 (en) * | 2010-05-11 | 2010-08-20 | 진경만 | Napkin case |
| JP2021018878A (en) * | 2019-07-18 | 2021-02-15 | 三菱電機株式会社 | Controller and lighting control system |
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