JPS642271A - Cable jointing monitor circuit - Google Patents
Cable jointing monitor circuitInfo
- Publication number
- JPS642271A JPS642271A JP15824887A JP15824887A JPS642271A JP S642271 A JPS642271 A JP S642271A JP 15824887 A JP15824887 A JP 15824887A JP 15824887 A JP15824887 A JP 15824887A JP S642271 A JPS642271 A JP S642271A
- Authority
- JP
- Japan
- Prior art keywords
- cable
- resistors
- resistor
- terminal
- voltage
- 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
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
PURPOSE: To keep off any breakdown in a circuit by connecting one terminal of a resistor, where another terminal is grounded, to one end of one line in each cable, while connecting one terminal of the resistor that connected another terminal to a power source, to the other end of a cable and monitoring voltage of this line.
CONSTITUTION: Resistors 10 and 20, grounding one end at the side of a circuit board 1, are connected to one line in each cable of cable bundles 2 and 3, and resistors 11 and 21, connecting one end to a power source +V at the side of a circuit board 4, are connected as well, while they are connected to a first input terminal of voltage comparators 41 and 42. Resistors 12 and 13 are connected to a second input terminal of the voltage comparator 41, and the other end of this resistor 12 is connected to the power source +V. Resistors 13 and 14 are connected to a third input terminal of the voltage comparator 41, and the other end of the resistor 14 is grounded. The voltage potentially divided like this is monitored, whereby misconnection of the cable is inferred and displayed while a supply of power is stopped. With this constitution, any breakdown in a circuit is prevented from occurring.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-158248A JPH012271A (en) | 1987-06-25 | Cable connection monitoring circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-158248A JPH012271A (en) | 1987-06-25 | Cable connection monitoring circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS642271A true JPS642271A (en) | 1989-01-06 |
| JPH012271A JPH012271A (en) | 1989-01-06 |
Family
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03119972U (en) * | 1990-03-22 | 1991-12-10 | ||
| WO2012060256A1 (en) | 2010-11-02 | 2012-05-10 | 船井電機株式会社 | Led lighting device and cable connection detection device |
| JP2013247520A (en) * | 2012-05-25 | 2013-12-09 | Toshiba Corp | Incorrect connection detection method of camera link cable and image acquisition apparatus using incorrect connection detection method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03119972U (en) * | 1990-03-22 | 1991-12-10 | ||
| WO2012060256A1 (en) | 2010-11-02 | 2012-05-10 | 船井電機株式会社 | Led lighting device and cable connection detection device |
| JP2013247520A (en) * | 2012-05-25 | 2013-12-09 | Toshiba Corp | Incorrect connection detection method of camera link cable and image acquisition apparatus using incorrect connection detection method |
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