FR1084457A - Control device, comprising a semiconductor body, for electrical circuit systems - Google Patents
Control device, comprising a semiconductor body, for electrical circuit systemsInfo
- Publication number
- FR1084457A FR1084457A FR1084457DA FR1084457A FR 1084457 A FR1084457 A FR 1084457A FR 1084457D A FR1084457D A FR 1084457DA FR 1084457 A FR1084457 A FR 1084457A
- Authority
- FR
- France
- Prior art keywords
- control device
- electrical circuit
- semiconductor body
- circuit systems
- systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
- H03K4/60—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor
- H03K4/62—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as a switching device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
- H03K17/68—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors specially adapted for switching ac currents or voltages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
- H04N5/185—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US308618A US2728857A (en) | 1952-09-09 | 1952-09-09 | Electronic switching |
US742336XA | 1952-10-01 | 1952-10-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1084457A true FR1084457A (en) | 1955-01-19 |
Family
ID=26755401
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1084457D Expired FR1084457A (en) | 1952-09-09 | 1953-08-03 | Control device, comprising a semiconductor body, for electrical circuit systems |
FR64684D Expired FR64684E (en) | 1952-09-09 | 1953-09-23 | Control device, comprising a semiconductor body, for electrical circuit systems |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR64684D Expired FR64684E (en) | 1952-09-09 | 1953-09-23 | Control device, comprising a semiconductor body, for electrical circuit systems |
Country Status (6)
Country | Link |
---|---|
BE (2) | BE522540A (en) |
CH (2) | CH326329A (en) |
DE (2) | DE1025011B (en) |
FR (2) | FR1084457A (en) |
GB (2) | GB742134A (en) |
NL (2) | NL181210C (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1164478B (en) * | 1964-03-05 | Siemens Ag | Electronic circuit arrangement for switching the current direction in a consumer | |
DE109417C (en) * | 1958-06-18 | |||
US3001014A (en) * | 1958-07-14 | 1961-09-19 | Zenith Radio Corp | Synchronizing-signal separator |
DE1121115B (en) * | 1958-11-13 | 1962-01-04 | Telefunken Patent | Bipolar electronic switch |
DE1208791B (en) * | 1962-08-31 | 1966-01-13 | Robotron Corp | Switching arrangement with two controlled semiconductor rectifiers |
US3268658A (en) * | 1963-04-19 | 1966-08-23 | Rca Corp | Transistor clamp circuit |
DE1227938B (en) * | 1964-07-17 | 1966-11-03 | Siemens Ag | Circuit arrangement for compensating the residual open circuit voltage in a transistor switch |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL156301B (en) * | 1949-09-30 | H Verheij S Machines Nv | BREAD MAKING MACHINE. | |
US2594449A (en) * | 1950-12-30 | 1952-04-29 | Bell Telephone Labor Inc | Transistor switching device |
-
0
- BE BE523133D patent/BE523133A/xx unknown
- NL NLAANVRAGE7714457,B patent/NL181718B/en unknown
- NL NLAANVRAGE7514551,A patent/NL181210C/en active
- BE BE522540D patent/BE522540A/xx unknown
-
1953
- 1953-08-03 FR FR1084457D patent/FR1084457A/en not_active Expired
- 1953-08-28 GB GB23859/53A patent/GB742134A/en not_active Expired
- 1953-09-08 CH CH326329D patent/CH326329A/en unknown
- 1953-09-09 DE DER12523A patent/DE1025011B/en active Pending
- 1953-09-15 GB GB25481/53A patent/GB742336A/en not_active Expired
- 1953-09-23 FR FR64684D patent/FR64684E/en not_active Expired
- 1953-09-29 CH CH342603D patent/CH342603A/en unknown
- 1953-10-01 DE DER12659A patent/DE1067473B/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CH326329A (en) | 1957-12-15 |
BE522540A (en) | |
NL181718B (en) | |
DE1025011B (en) | 1958-02-27 |
NL181210C (en) | |
BE523133A (en) | |
CH342603A (en) | 1959-11-30 |
GB742134A (en) | 1955-12-21 |
GB742336A (en) | 1955-12-21 |
DE1067473B (en) | 1959-10-22 |
FR64684E (en) | 1955-12-01 |
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