NL255978A - - Google Patents
Info
- Publication number
- NL255978A NL255978A NL255978DA NL255978A NL 255978 A NL255978 A NL 255978A NL 255978D A NL255978D A NL 255978DA NL 255978 A NL255978 A NL 255978A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/30—Marginal testing, e.g. by varying supply voltage
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Debugging And Monitoring (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL255978 | 1960-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL255978A true NL255978A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=19752575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL255978D NL255978A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-09-17 |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1198857B (de) * | 1963-01-18 | 1965-08-19 | Licentia Gmbh | Verfahren zur gleichzeitigen Pruefung einer Mehrzahl von taktgesteuerten elektronischen Speicherelementen waehrend des Betriebes |
| DE1297148B (de) * | 1967-03-29 | 1969-06-12 | Siemens Ag | Verfahren und Schaltungsanordnung zur UEberwachung eines elektronischen Binaerzaehlers |
| NL7003281A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1970-03-07 | 1971-09-09 | ||
| US3611338A (en) * | 1970-04-06 | 1971-10-05 | Sperry Rand Corp | Fail-safe pulse train monitor |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2589465A (en) * | 1949-10-22 | 1952-03-18 | Eckert Mauchly Comp Corp | Monitoring system |
| US2609498A (en) * | 1950-01-07 | 1952-09-02 | Bell Telephone Labor Inc | Pulse counting and registration system |
| US2685683A (en) * | 1950-08-31 | 1954-08-03 | Bell Telephone Labor Inc | Fault signaling system for counting chain |
| NL90601C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1952-11-17 | 1900-01-01 | ||
| BE537679A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1954-04-27 | |||
| US2769971A (en) * | 1954-10-04 | 1956-11-06 | Ibm | Ring checking circuit |
| NL218614A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1956-07-02 | |||
| US2899675A (en) * | 1957-03-05 | 1959-08-11 | Failure circuit for counting chains | |
| US3017620A (en) * | 1957-03-08 | 1962-01-16 | Ibm | Ring checking circuit |
| NL277495A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-04-28 |
-
0
- NL NL255978D patent/NL255978A/xx unknown
-
1961
- 1961-09-13 DE DEN20548A patent/DE1236554B/de active Pending
- 1961-09-14 CH CH1075861A patent/CH396983A/de unknown
- 1961-09-14 GB GB33001/61A patent/GB981095A/en not_active Expired
- 1961-09-14 US US138201A patent/US3167754A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1236554B (de) | 1967-03-16 |
| US3167754A (en) | 1965-01-26 |
| CH396983A (de) | 1965-08-15 |
| GB981095A (en) | 1965-01-20 |