Global patent index - EP 1078270 A1

EP 1078270 A1 2001-02-28 - SWITCHABLE DIGITAL INPUT/OUTPUT CIRCUIT

Title (en)

SWITCHABLE DIGITAL INPUT/OUTPUT CIRCUIT

Title (de)

UMSCHALTBARE DIGITALEINGABESCHALTUNG

Title (fr)

CIRCUIT D'ENTREE NUMERIQUE COMMUTABLE

Publication

EP 1078270 A1 (DE)

Application

EP 99929031 A

Priority

  • DE 9901243 W
  • DE 19820611 A

Abstract (en)

[origin: DE19820611C1] The circuit includes an input (9) connected with a first comparator (1) and a second comparator (2). A first threshold value is supplied to an input of the first comparator, and a second threshold value to a corresponding input (18) of the second comparator. A shunt resistance (7) is connected with the input, and is switched in or out of the circuit in response to a switching signal (10). A switching unit (5) controlled by the switching signal, includes at least two inputs which are supplied, on one hand, with the output signal of the first comparator, and, on the other hand, with the output signal of the second comparator. The switching unit provides an output signal (20) in dependence on the switching signal, which reflects either the signal at the first or at the second input.

IPC 1-7 (main, further and additional classification)

G01R 19/165; G05B 11/32; G05B 19/042

IPC 8 full level (invention and additional information)

G01D 3/02 (2006.01)

CPC (invention and additional information)

G01D 3/02 (2013.01)

Citation (search report)

See references of WO 9958988A1

Designated contracting state (EPC)

AT CH DE ES FR GB LI

EPO simple patent family

DE 19820611 C1 19990909; EP 1078270 A1 20010228; WO 9958988 A1 19991118

INPADOC legal status

2001-10-24 [18R] REFUSED

- Ref Legal Event Code: 18R

- Effective date: 20010602

2001-05-09 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010326

2001-02-28 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000630

2001-02-28 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT CH DE ES FR GB LI