SE344839B - - Google Patents
Info
- Publication number
- SE344839B SE344839B SE16118/69A SE1611869A SE344839B SE 344839 B SE344839 B SE 344839B SE 16118/69 A SE16118/69 A SE 16118/69A SE 1611869 A SE1611869 A SE 1611869A SE 344839 B SE344839 B SE 344839B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
- H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1749268A CH491452A (en) | 1968-11-25 | 1968-11-25 | Circuit for monitoring the operational readiness of at least one DC-fed signal lamp and the transistor controlling it |
| CH690069A CH501285A (en) | 1968-11-25 | 1969-05-07 | Circuit for monitoring the operational readiness of at least one DC-fed signal lamp and the transistor controlling it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE344839B true SE344839B (en) | 1972-05-02 |
Family
ID=25700359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE16118/69A SE344839B (en) | 1968-11-25 | 1969-11-24 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS4844076B1 (en) |
| BE (1) | BE741924A (en) |
| CH (1) | CH501285A (en) |
| CS (1) | CS178063B2 (en) |
| DE (1) | DE1956560B2 (en) |
| FR (1) | FR2024204A1 (en) |
| GB (1) | GB1294698A (en) |
| NL (1) | NL6917673A (en) |
| PL (1) | PL72701B1 (en) |
| RO (1) | RO58917A (en) |
| SE (1) | SE344839B (en) |
| YU (1) | YU32418B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3211251C2 (en) * | 1982-03-26 | 1985-09-26 | Steinbock Gmbh, 8052 Moosburg | Circuit arrangement for monitoring the degree of wear of commutator carbon brushes |
| DE3680340D1 (en) * | 1986-04-24 | 1991-08-22 | Nii Ex I Avtomobil Elektroobor | DEVICE FOR MEASURING TIME PARAMETERS OF A LIGHT SIGNAL DEVICE. |
| JPS6376336U (en) * | 1986-11-04 | 1988-05-20 | ||
| FR2675266B1 (en) * | 1991-04-10 | 1995-09-01 | Cheylus Jacques | FUNCTION DETECTOR WITH COUNTER. |
| CN112816804B (en) * | 2019-11-15 | 2024-04-26 | 中车株洲电力机车研究所有限公司 | Pulse testing device with high integration level |
-
1969
- 1969-05-07 CH CH690069A patent/CH501285A/en not_active IP Right Cessation
- 1969-11-11 DE DE19691956560 patent/DE1956560B2/en not_active Withdrawn
- 1969-11-14 GB GB55996/69A patent/GB1294698A/en not_active Expired
- 1969-11-19 BE BE741924D patent/BE741924A/xx unknown
- 1969-11-21 CS CS7679A patent/CS178063B2/cs unknown
- 1969-11-21 PL PL1969137045A patent/PL72701B1/pl unknown
- 1969-11-24 JP JP44093684A patent/JPS4844076B1/ja active Pending
- 1969-11-24 NL NL6917673A patent/NL6917673A/xx not_active Application Discontinuation
- 1969-11-24 SE SE16118/69A patent/SE344839B/xx unknown
- 1969-11-24 YU YU2937/69A patent/YU32418B/en unknown
- 1969-11-25 RO RO61666A patent/RO58917A/ro unknown
- 1969-11-25 FR FR6940605A patent/FR2024204A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2024204A1 (en) | 1970-08-28 |
| YU32418B (en) | 1974-10-31 |
| PL72701B1 (en) | 1974-08-30 |
| DE1956560A1 (en) | 1970-06-11 |
| CH501285A (en) | 1970-12-31 |
| RO58917A (en) | 1976-01-15 |
| JPS4844076B1 (en) | 1973-12-22 |
| NL6917673A (en) | 1970-05-27 |
| DE1956560B2 (en) | 1977-11-17 |
| BE741924A (en) | 1970-05-04 |
| YU293769A (en) | 1974-04-30 |
| CS178063B2 (en) | 1977-08-31 |
| GB1294698A (en) | 1972-11-01 |