JPH043078U - - Google Patents

Info

Publication number
JPH043078U
JPH043078U JP4343790U JP4343790U JPH043078U JP H043078 U JPH043078 U JP H043078U JP 4343790 U JP4343790 U JP 4343790U JP 4343790 U JP4343790 U JP 4343790U JP H043078 U JPH043078 U JP H043078U
Authority
JP
Japan
Prior art keywords
mailing
receiver
signal
activates
determines whether
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
Application number
JP4343790U
Other languages
Japanese (ja)
Other versions
JP2524010Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4343790U priority Critical patent/JP2524010Y2/en
Publication of JPH043078U publication Critical patent/JPH043078U/ja
Application granted granted Critical
Publication of JP2524010Y2 publication Critical patent/JP2524010Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Supports Or Holders For Household Use (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図乃至第4図は本考案の一実施例を示すも
ので、第1図は投函ボツクスの縦断面図、第2図
は検出器の回路図、第3図は送信装置の構成図、
第4図は受信装置の構成図である。 図中、1……投函ボツクス、2……検出器、2
a……送信器、2b……受信器、8……判別回路
、9……駆動回路、10……報知ランプ。
1 to 4 show an embodiment of the present invention, in which FIG. 1 is a vertical sectional view of a drop box, FIG. 2 is a circuit diagram of a detector, and FIG. 3 is a configuration diagram of a transmitting device.
FIG. 4 is a block diagram of the receiving device. In the figure, 1... Drop box, 2... Detector, 2
a...Transmitter, 2b...Receiver, 8...Discrimination circuit, 9...Drive circuit, 10...Notification lamp.

Claims (1)

【実用新案登録請求の範囲】 超音波発振器及び受信器を有し、投函領域に配
置された検出器と、 受信器の受信信号に基づいて投函の有無を判別
し、投函有りの信号を送出する判別回路と、 投函有りの信号に基づいて報知器を作動させる
駆動回路とからなる、 ことを特徴とする投函報知システム。
[Scope of Claim for Utility Model Registration] Having an ultrasonic oscillator and a receiver, a detector placed in the mailing area and a receiver that determines whether or not there is mailing based on the received signal, and sends out a signal indicating that there is mailing. A mailing notification system comprising: a discrimination circuit; and a drive circuit that activates an alarm based on a mailing presence signal.
JP4343790U 1990-04-25 1990-04-25 Posting notification system Expired - Lifetime JP2524010Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4343790U JP2524010Y2 (en) 1990-04-25 1990-04-25 Posting notification system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4343790U JP2524010Y2 (en) 1990-04-25 1990-04-25 Posting notification system

Publications (2)

Publication Number Publication Date
JPH043078U true JPH043078U (en) 1992-01-13
JP2524010Y2 JP2524010Y2 (en) 1997-01-29

Family

ID=31555847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4343790U Expired - Lifetime JP2524010Y2 (en) 1990-04-25 1990-04-25 Posting notification system

Country Status (1)

Country Link
JP (1) JP2524010Y2 (en)

Also Published As

Publication number Publication date
JP2524010Y2 (en) 1997-01-29

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