DK87490C - Kobling til sammenligning af to spændinger. - Google Patents
Kobling til sammenligning af to spændinger.Info
- Publication number
- DK87490C DK87490C DK296049AA DK296049A DK87490C DK 87490 C DK87490 C DK 87490C DK 296049A A DK296049A A DK 296049AA DK 296049 A DK296049 A DK 296049A DK 87490 C DK87490 C DK 87490C
- Authority
- DK
- Denmark
- Prior art keywords
- voltages
- comparison
- coupling
- Prior art date
Links
- 230000008878 coupling Effects 0.000 title 1
- 238000010168 coupling process Methods 0.000 title 1
- 238000005859 coupling reaction Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- X-Ray Techniques (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL142271A NL82252C (nl) | 1948-09-10 | 1948-09-10 | Spanningsvergelijkingsinrichting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK87490C true DK87490C (da) | 1959-06-29 |
Family
ID=93155499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK296049AA DK87490C (da) | 1948-09-10 | 1949-09-07 | Kobling til sammenligning af to spændinger. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2676286A (da) |
| CH (1) | CH275287A (da) |
| DE (1) | DE807954C (da) |
| DK (1) | DK87490C (da) |
| FR (1) | FR994771A (da) |
| GB (1) | GB662215A (da) |
| NL (1) | NL82252C (da) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2864000A (en) * | 1958-12-09 | Apparatus for comparing the instan- | ||
| US2806185A (en) * | 1949-11-11 | 1957-09-10 | Nederlanden Staat | Phase and amplitude testing apparatus |
| US2930982A (en) * | 1949-11-30 | 1960-03-29 | Sun Oil Co | Subtraction circuit |
| US2786136A (en) * | 1952-07-30 | 1957-03-19 | Underwood Corp | Pulse comparator |
| US2782994A (en) * | 1953-09-24 | 1957-02-26 | Garrett Corp | Electronic temperature regulator with anticipator |
| US2860288A (en) * | 1954-10-13 | 1958-11-11 | Thomas E Maddox | Safety control systems for fuel burners |
| US2873410A (en) * | 1954-11-29 | 1959-02-10 | Gen Electric | Electronic relay arrangement for an electric power transmission line protective system |
| US2844720A (en) * | 1954-12-06 | 1958-07-22 | Radio Frequency Lab Inc | Frequency shift discriminator |
| US3018441A (en) * | 1957-06-28 | 1962-01-23 | California Research Corp | Amplitude comparator circuit |
| US2994062A (en) * | 1958-02-27 | 1961-07-25 | North American Aviation Inc | Coincidence detector |
| US3031142A (en) * | 1958-05-06 | 1962-04-24 | Acf Ind Inc | Minimum quantity selector |
| US2972117A (en) * | 1958-10-14 | 1961-02-14 | Jarmotz Paul | Balanced differential amplifier with diode impedance changing network |
| US3046455A (en) * | 1958-12-09 | 1962-07-24 | Harold B Nelson | Voltage monitor |
| US3026455A (en) * | 1959-07-02 | 1962-03-20 | Philco Corp | Differential switching amplifier |
| US3200390A (en) * | 1960-12-20 | 1965-08-10 | Sperry Rand Corp | Voltage monitoring circuit |
| US3223851A (en) * | 1962-06-14 | 1965-12-14 | Beckman Instruments Inc | Transition detector |
| US3239724A (en) * | 1962-10-06 | 1966-03-08 | Koyo Seiko Company Ltd | Current responsive control bridge system |
| US3470388A (en) * | 1964-06-16 | 1969-09-30 | Edison Instr Inc | Differential amplifier circuits |
| US3431508A (en) * | 1966-03-16 | 1969-03-04 | Honeywell Inc | Ph detecting device using temperature compensated field-effect transistor differential amplifier |
| US3517215A (en) * | 1967-03-29 | 1970-06-23 | Us Navy | Comparator |
| US3553496A (en) * | 1968-04-11 | 1971-01-05 | Felten & Guilleaume Gmbh | Switching arrangement comprising a tunnel diode |
| US3633042A (en) * | 1969-10-02 | 1972-01-04 | Statham Instrument Inc | Function generator |
| US3708695A (en) * | 1971-10-19 | 1973-01-02 | Singer Co | High speed switch with complementary outputs |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE22861E (en) * | 1947-04-08 | Electric selection controlling | ||
| US2380950A (en) * | 1943-04-23 | 1945-08-07 | Int Standard Electric Corp | Telecommunication system |
| US2441568A (en) * | 1944-03-11 | 1948-05-18 | Harvey J Finison | Radiant energy operated positioning control |
| US2482544A (en) * | 1945-05-02 | 1949-09-20 | Us Sec War | Pulse code operated electronic range indicator |
| US2454781A (en) * | 1945-09-17 | 1948-11-30 | Int Standard Electric Corp | Matched potential control system |
| US2439490A (en) * | 1946-11-27 | 1948-04-13 | Rca Corp | Check circuit for inspection apparatus |
| US2482943A (en) * | 1948-06-15 | 1949-09-27 | Crompton & Knowles Loom Works | Electric filling stop motion for looms |
| US2529666A (en) * | 1948-07-19 | 1950-11-14 | Matthew L Sands | Pulse height analyzer |
-
1948
- 1948-09-10 NL NL142271A patent/NL82252C/nl active
-
1949
- 1949-07-29 US US107411A patent/US2676286A/en not_active Expired - Lifetime
- 1949-09-07 DK DK296049AA patent/DK87490C/da active
- 1949-09-07 GB GB23146/49A patent/GB662215A/en not_active Expired
- 1949-09-07 DE DEP54159A patent/DE807954C/de not_active Expired
- 1949-09-08 FR FR994771D patent/FR994771A/fr not_active Expired
- 1949-09-08 CH CH275287D patent/CH275287A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE807954C (de) | 1951-07-09 |
| US2676286A (en) | 1954-04-20 |
| FR994771A (fr) | 1951-11-22 |
| GB662215A (en) | 1951-12-05 |
| NL82252C (nl) | 1956-08-15 |
| CH275287A (de) | 1951-05-15 |
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