NL42754C - - Google Patents
Info
- Publication number
- NL42754C NL42754C NL75269A NL75269A NL42754C NL 42754 C NL42754 C NL 42754C NL 75269 A NL75269 A NL 75269A NL 75269 A NL75269 A NL 75269A NL 42754 C NL42754 C NL 42754C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/44—Arrangements for feeding power to a repeater along the transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US401735 US2037183A (en) | 1935-01-30 | 1935-01-30 | Carrier line power supply |
| US15051637 US2153329A (en) | 1935-01-30 | 1937-06-26 | Carrier line power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL42754C true NL42754C (me) | 1938-03-15 |
Family
ID=41682650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL75269A NL42754C (me) | 1935-01-30 | 1935-10-23 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US2037183A (me) |
| BE (1) | BE412432A (me) |
| DE (1) | DE733857C (me) |
| FR (2) | FR816510A (me) |
| GB (2) | GB441825A (me) |
| NL (1) | NL42754C (me) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2640275A (en) * | 1949-04-29 | 1953-06-02 | Standard Oil Dev Co | Oriented dip and strike indicator for boreholes |
| US2663759A (en) * | 1951-05-31 | 1953-12-22 | Western Union Telegraph Co | Regulated power supply |
| DE926141C (de) * | 1952-08-02 | 1955-04-07 | Siemens Ag | Schaltungsanordnung fuer die Energiefernversorgung, insbesondere von Verstaerkeraemtern |
| GB872000A (en) * | 1958-04-23 | 1961-07-05 | Ass Elect Ind | Improvements relating to regulated power supply arrangements |
| NL6711758A (me) * | 1967-08-25 | 1969-02-27 | ||
| NL7413451A (nl) * | 1974-10-14 | 1976-04-20 | Philips Nv | Transmissiestelsel. |
| US4004110A (en) * | 1975-10-07 | 1977-01-18 | Westinghouse Electric Corporation | Power supply for power line carrier communication systems |
| US5739595A (en) * | 1992-10-28 | 1998-04-14 | Alpha Technologies, Inc. | Apparatus and methods for generating an AC power signal for cable tv distribution systems |
| US5642002A (en) * | 1993-10-29 | 1997-06-24 | Alpha Technologies | Apparatus and methods for generating uninterruptible AC power signals |
| US5532525A (en) * | 1994-06-02 | 1996-07-02 | Albar, Inc. | Congeneration power system |
| CA2168520C (en) * | 1995-02-22 | 2003-04-08 | Fereydoun Mekanik | Inverter/charger circuit for uninterruptible power supplies |
| US8575779B2 (en) * | 2010-02-18 | 2013-11-05 | Alpha Technologies Inc. | Ferroresonant transformer for use in uninterruptible power supplies |
| AU2012207388B2 (en) | 2011-01-23 | 2016-05-19 | Alpha Technologies Services, Inc. | Uninterruptible power supplies for use in a distributed network |
| CA2825483C (en) | 2011-01-23 | 2019-11-12 | Alpha Technologies Inc. | Switching systems and methods for use in uninterruptible power supplies |
| US9234916B2 (en) | 2012-05-11 | 2016-01-12 | Alpha Technologies Inc. | Status monitoring cables for generators |
| MX2018002967A (es) | 2015-09-13 | 2018-06-11 | Alpha Tech Inc | Sistemas y metodos de control de potencia. |
| US10381867B1 (en) | 2015-10-16 | 2019-08-13 | Alpha Technologeis Services, Inc. | Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies |
| EP3652604A4 (en) | 2017-07-14 | 2021-03-17 | Alpha Technologies Services, Inc. | VOLTAGE REGULATED AC SUPPLY SYSTEMS AND PROCEDURES |
-
1935
- 1935-01-30 FR FR816510D patent/FR816510A/fr not_active Expired
- 1935-01-30 US US401735 patent/US2037183A/en not_active Expired - Lifetime
- 1935-10-18 GB GB2883635A patent/GB441825A/en not_active Expired
- 1935-10-23 NL NL75269A patent/NL42754C/xx active
- 1935-11-23 BE BE412432D patent/BE412432A/xx unknown
-
1936
- 1936-01-30 DE DEI54196D patent/DE733857C/de not_active Expired
-
1937
- 1937-06-26 US US15051637 patent/US2153329A/en not_active Expired - Lifetime
-
1938
- 1938-06-14 GB GB1767338A patent/GB508816A/en not_active Expired
- 1938-06-25 FR FR839857D patent/FR839857A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB441825A (en) | 1936-01-27 |
| FR839857A (fr) | 1939-04-13 |
| BE412432A (me) | 1935-12-31 |
| US2153329A (en) | 1939-04-04 |
| US2037183A (en) | 1936-04-14 |
| DE733857C (de) | 1943-04-03 |
| FR816510A (fr) | 1937-08-10 |
| GB508816A (en) | 1939-07-06 |