ATE156297T1 - MESSAGE CAPTURE CIRCUIT FOR A MESSAGE SIGNAL - Google Patents

MESSAGE CAPTURE CIRCUIT FOR A MESSAGE SIGNAL

Info

Publication number
ATE156297T1
ATE156297T1 AT93100224T AT93100224T ATE156297T1 AT E156297 T1 ATE156297 T1 AT E156297T1 AT 93100224 T AT93100224 T AT 93100224T AT 93100224 T AT93100224 T AT 93100224T AT E156297 T1 ATE156297 T1 AT E156297T1
Authority
AT
Austria
Prior art keywords
signal
message
comparison circuit
information
passed
Prior art date
Application number
AT93100224T
Other languages
German (de)
Inventor
Kurt Dipl-Ing Smutny
Original Assignee
Siemens Ag
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 by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of ATE156297T1 publication Critical patent/ATE156297T1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/167—Circuits for remote indication

Landscapes

  • Circuits Of Receivers In General (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Facsimiles In General (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

In order to take into account leakage resistances occurring in the case of information contacts (3a to 3n), it is proposed to pass the signal which is formed by an information contact (3a to 3n), together with a reference signal, to a comparison circuit (7). The output of the comparison circuit (7) then carries a signal which corresponds to the switching state of the information contact (3a to 3n). The signals of a plurality of information contacts (3a to 3n) are preferably passed to a multiplexer circuit (15, 17) whose output signal is passed to the comparison circuit (7). In a further refinement, the output signal of the comparison circuit (7) is passed via a potential-isolating element (21) to a control and processing device (23) having a processor. <IMAGE>
AT93100224T 1992-01-22 1993-01-08 MESSAGE CAPTURE CIRCUIT FOR A MESSAGE SIGNAL ATE156297T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4201630 1992-01-22

Publications (1)

Publication Number Publication Date
ATE156297T1 true ATE156297T1 (en) 1997-08-15

Family

ID=6450020

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93100224T ATE156297T1 (en) 1992-01-22 1993-01-08 MESSAGE CAPTURE CIRCUIT FOR A MESSAGE SIGNAL

Country Status (4)

Country Link
EP (1) EP0552619B1 (en)
AT (1) ATE156297T1 (en)
DE (1) DE59306987D1 (en)
NO (1) NO306430B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488323A (en) * 1994-12-14 1996-01-30 United Technologies Corporation True hysteresis window comparator for use in monitoring changes in switch resistance
DE10333911B3 (en) * 2003-07-25 2005-06-02 Diehl Ako Stiftung & Co. Kg Cascadable arrangement of switch sets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8614198D0 (en) * 1986-06-11 1986-07-16 Salplex Ltd Information handling & control systems
US4777479A (en) * 1987-04-03 1988-10-11 Unisys Corporation Switch position indicator

Also Published As

Publication number Publication date
NO306430B1 (en) 1999-11-01
NO930204L (en) 1993-07-23
EP0552619B1 (en) 1997-07-30
EP0552619A3 (en) 1993-12-15
EP0552619A2 (en) 1993-07-28
NO930204D0 (en) 1993-01-21
DE59306987D1 (en) 1997-09-04

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee