NL257195A - - Google Patents
Info
- Publication number
- NL257195A NL257195A NL257195DA NL257195A NL 257195 A NL257195 A NL 257195A NL 257195D A NL257195D A NL 257195DA NL 257195 A NL257195 A NL 257195A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK39005A DE1141683B (de) | 1959-10-24 | 1959-10-24 | Schaltungsanordnung zur Pruefung von Impulsreihengebern der Fernmeldetechnik, insbesondere von Nummernschaltern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL257195A true NL257195A (US08197722-20120612-C00042.png) |
Family
ID=7221573
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL130510D NL130510C (US08197722-20120612-C00042.png) | 1959-10-24 | ||
| NL257195D NL257195A (US08197722-20120612-C00042.png) | 1959-10-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL130510D NL130510C (US08197722-20120612-C00042.png) | 1959-10-24 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1141683B (US08197722-20120612-C00042.png) |
| NL (2) | NL257195A (US08197722-20120612-C00042.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1194921B (de) * | 1963-10-22 | 1965-06-16 | Siemens Ag | Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere Fernsprechwaehlaglagen, bei der zur Messung zweier Zeitvorgaenge, vorzugsweise zur Pruefung von Impulsreihen auf Impuls- und Pausendauer, der Ladungszustand von Kondensatoren geaendert wird |
| DE2437114A1 (de) * | 1974-08-01 | 1976-02-12 | Dirin | Pruefer fuer impulsparameter von fernsprechapparat-nummernschaltern |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE959572C (de) * | 1954-05-24 | 1957-03-07 | Marconi S Wireless Telegraph | Schaltungsanordnung zur Messung der Impulsdauer von periodisch wiederkehrenden, elektrischen Impulsen |
-
0
- NL NL130510D patent/NL130510C/xx active
- NL NL257195D patent/NL257195A/xx unknown
-
1959
- 1959-10-24 DE DEK39005A patent/DE1141683B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1141683B (de) | 1962-12-27 |
| NL130510C (US08197722-20120612-C00042.png) |
