FR970380A - - Google Patents
Info
- Publication number
- FR970380A FR970380A FR970380DA FR970380A FR 970380 A FR970380 A FR 970380A FR 970380D A FR970380D A FR 970380DA FR 970380 A FR970380 A FR 970380A
- Authority
- FR
- France
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C3/00—Portable devices for holding and guiding nails; Nail dispensers
- B25C3/006—Portable devices for holding and guiding nails; Nail dispensers only for holding and guiding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/24—Aligning, centring, orientation detection or correction of the image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/46—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B7/00—Generation of oscillations using active element having a negative resistance between two of its electrodes
- H03B7/02—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
- H03B7/10—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being gas-discharge or arc-discharge tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/55—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a gas-filled tube having a control electrode
-
- 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
- H03K4/86—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements gas-filled tubes or spark-gaps
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Artificial Intelligence (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Computing Systems (AREA)
- Databases & Information Systems (AREA)
- Evolutionary Computation (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Power Engineering (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL651046X | 1947-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR970380A true FR970380A (nl) | 1951-01-03 |
Family
ID=19793863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR970380D Expired FR970380A (nl) | 1947-08-14 |
Country Status (3)
Country | Link |
---|---|
US (1) | US2609506A (nl) |
FR (1) | FR970380A (nl) |
GB (1) | GB651046A (nl) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2942123A (en) * | 1956-01-31 | 1960-06-21 | Westinghouse Electric Corp | Time delay control device |
US3240991A (en) * | 1964-10-01 | 1966-03-15 | Westinghouse Electric Corp | Static inverter |
US3689688A (en) * | 1970-11-02 | 1972-09-05 | Skiatron Elect & Tele | Communications secrecy system |
US4459516A (en) * | 1981-07-06 | 1984-07-10 | Zelina William B | Line operated fluorescent lamp inverter ballast |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1752205A (en) * | 1928-10-27 | 1930-03-25 | Gen Electric | Power-converting apparatus |
NL30995C (nl) * | 1929-04-18 | |||
US1919977A (en) * | 1931-12-24 | 1933-07-25 | Gen Electric | Electric valve converting apparatus |
US2247728A (en) * | 1939-02-13 | 1941-07-01 | John Halmagyi | Oscillation generator for electrical musical instruments |
-
0
- FR FR970380D patent/FR970380A/fr not_active Expired
-
1948
- 1948-08-03 US US42264A patent/US2609506A/en not_active Expired - Lifetime
- 1948-08-11 GB GB21134/48A patent/GB651046A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB651046A (en) | 1951-03-07 |
US2609506A (en) | 1952-09-02 |