JPS55123759A - Invalid code set system - Google Patents
Invalid code set systemInfo
- Publication number
- JPS55123759A JPS55123759A JP3025179A JP3025179A JPS55123759A JP S55123759 A JPS55123759 A JP S55123759A JP 3025179 A JP3025179 A JP 3025179A JP 3025179 A JP3025179 A JP 3025179A JP S55123759 A JPS55123759 A JP S55123759A
- Authority
- JP
- Japan
- Prior art keywords
- awd
- switches
- code
- diode
- gate 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
Abstract
PURPOSE: To simplify a circuit constitution to make an outgoing/incoming management unit small-size without constituting a special interface circuit.
CONSTITUTION: The outgoing/incoming management unit which uses a specific code or a personal code as the input and controls an entrance and exit, etc., is provided with invalid code setting operation switch constituted with sum wheel switch group 11. One-unit sum wheel switches AWD are arranged in this sum wheel switch group 11, and common terminal 14 is connected to the input side of switches AWD, and a gate signal is applied to this common terminal from gate signal line 33. Diode 12 is connected to output terminal 13 of switches AWD, and the output end of each diode 12 is connected to data bus line 31, thereby constituting a diode matrix. Then, the gate signal inputted from signal line 33 is outputted to data bus line 31 as an output signal which is coded correspondingly to the code by switches AWD with diodes.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3025179A JPS55123759A (en) | 1979-03-15 | 1979-03-15 | Invalid code set system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3025179A JPS55123759A (en) | 1979-03-15 | 1979-03-15 | Invalid code set system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55123759A true JPS55123759A (en) | 1980-09-24 |
Family
ID=12298484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3025179A Pending JPS55123759A (en) | 1979-03-15 | 1979-03-15 | Invalid code set system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55123759A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57176447A (en) * | 1981-04-24 | 1982-10-29 | Fujitsu Ltd | A plurality word instantaneous input type digital input circuit system |
JPS5933589U (en) * | 1982-08-25 | 1984-03-01 | ホーチキ株式会社 | Fire alarm equipment repeater |
JPS6275524U (en) * | 1985-10-29 | 1987-05-14 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52135220A (en) * | 1976-05-07 | 1977-11-12 | Toshiba Corp | Information input system of electronic computer |
-
1979
- 1979-03-15 JP JP3025179A patent/JPS55123759A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52135220A (en) * | 1976-05-07 | 1977-11-12 | Toshiba Corp | Information input system of electronic computer |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57176447A (en) * | 1981-04-24 | 1982-10-29 | Fujitsu Ltd | A plurality word instantaneous input type digital input circuit system |
JPS636896B2 (en) * | 1981-04-24 | 1988-02-12 | Fujitsu Ltd | |
JPS5933589U (en) * | 1982-08-25 | 1984-03-01 | ホーチキ株式会社 | Fire alarm equipment repeater |
JPS6275524U (en) * | 1985-10-29 | 1987-05-14 | ||
JPH0426907Y2 (en) * | 1985-10-29 | 1992-06-29 |
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