JPS6416059A - Doorphone - Google Patents
DoorphoneInfo
- Publication number
- JPS6416059A JPS6416059A JP16987187A JP16987187A JPS6416059A JP S6416059 A JPS6416059 A JP S6416059A JP 16987187 A JP16987187 A JP 16987187A JP 16987187 A JP16987187 A JP 16987187A JP S6416059 A JPS6416059 A JP S6416059A
- Authority
- JP
- Japan
- Prior art keywords
- switch
- pass word
- message
- visitor
- storage
- 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
Abstract
PURPOSE:To attain the readout a message of a visitor through a public line by sending input voice information from a slave set stored in a storage means to a readout line after the reply of a reply means. CONSTITUTION:A caller telephone set calls a main set and when the main set replies, a desired pass word is inputted from a ten-key button. It is detected by a DTMF signal detector (circuit tone detector) 43 and sends it to a controller 40. The controller 40 compares the sent pass word information with pass word information stored in a pass word storage section 44 and when both values are equal, a switch 57 is thrown to the position of message recording/ reproduction section 47, the switch 56 is thrown to the position of the switch 57 to turn on the switch 54. Then the message recording/reproduction section 47 is started and the message recorded by the visitor earlier is read in the order of storage and sent to the lines L1, L2 through switches 57, 56, an amplifier 23, a transistor 18, a switch 54, a buffer 50, a transformer 52 and a switch 57.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16987187A JPS6416059A (en) | 1987-07-09 | 1987-07-09 | Doorphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16987187A JPS6416059A (en) | 1987-07-09 | 1987-07-09 | Doorphone |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6416059A true JPS6416059A (en) | 1989-01-19 |
Family
ID=15894499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16987187A Pending JPS6416059A (en) | 1987-07-09 | 1987-07-09 | Doorphone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6416059A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5148468A (en) * | 1990-10-24 | 1992-09-15 | Marrick Paul J T | Door answering system |
JP2003283696A (en) * | 2002-03-27 | 2003-10-03 | Aiphone Co Ltd | Video intercom system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6018048A (en) * | 1983-07-11 | 1985-01-30 | Mitsubishi Electric Corp | Automatic answering telephone set |
-
1987
- 1987-07-09 JP JP16987187A patent/JPS6416059A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6018048A (en) * | 1983-07-11 | 1985-01-30 | Mitsubishi Electric Corp | Automatic answering telephone set |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5148468A (en) * | 1990-10-24 | 1992-09-15 | Marrick Paul J T | Door answering system |
JP2003283696A (en) * | 2002-03-27 | 2003-10-03 | Aiphone Co Ltd | Video intercom system |
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