BE620410A - - Google Patents
Info
- Publication number
- BE620410A BE620410A BE620410DA BE620410A BE 620410 A BE620410 A BE 620410A BE 620410D A BE620410D A BE 620410DA BE 620410 A BE620410 A BE 620410A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
- H03K5/1536—Zero-crossing detectors
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/16—Image preprocessing
- G06V30/162—Quantising the image signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
- H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Character Input (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US128086A US3223972A (en) | 1961-07-31 | 1961-07-31 | Signal information detection circuitry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE620410A true BE620410A (en:Method) | 1900-01-01 |
Family
ID=22433554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE620410D BE620410A (en:Method) | 1961-07-31 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3223972A (en:Method) |
| BE (1) | BE620410A (en:Method) |
| CH (2) | CH397303A (en:Method) |
| DE (1) | DE1195986C2 (en:Method) |
| FR (1) | FR1337377A (en:Method) |
| GB (2) | GB949040A (en:Method) |
| NL (2) | NL146955B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3369181A (en) * | 1964-03-18 | 1968-02-13 | Noel B. Braymer | System for transmitting digital data via pulse doublets |
| US3300757A (en) * | 1964-05-11 | 1967-01-24 | Rca Corp | Character reader utilizing on-the-fly identification of character feature signals |
| US3860794A (en) * | 1971-12-13 | 1975-01-14 | Bendix Corp | System for converting modulated signals to squarewave outputs |
| EP0432280A1 (de) * | 1989-12-04 | 1991-06-19 | Siemens Aktiengesellschaft | Schnittstelle zwischen zwei an unterschiedlichen Betriebsspannungen betriebenen elektrischen Schaltungen |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419548A (en) * | 1943-05-15 | 1947-04-29 | Standard Telephones Cables Ltd | Discriminator circuit |
| US2434921A (en) * | 1944-11-02 | 1948-01-27 | Standard Telephones Cables Ltd | Pulse amplitude selective system |
| US2434922A (en) * | 1944-11-02 | 1948-01-27 | Standard Telephones Cables Ltd | Pulse amplitude selector system |
| US3000000A (en) * | 1955-05-06 | 1961-09-12 | Gen Electric | Automatic reading system |
| US2944217A (en) * | 1955-11-30 | 1960-07-05 | Ibm | Signal translating apparatus |
| US2885551A (en) * | 1955-11-30 | 1959-05-05 | Ibm | Variable voltage level discriminator varying with the input voltage level |
| US2855513A (en) * | 1955-11-30 | 1958-10-07 | Ibm | Clipping circuit with clipping level automatically set by average input level |
| NL227776A (en:Method) * | 1956-03-19 | |||
| US2890335A (en) * | 1956-10-30 | 1959-06-09 | Monroe Calculating Machine | Signal slicing circuits |
| US3018442A (en) * | 1958-09-12 | 1962-01-23 | Westinghouse Electric Corp | Plural channel amplitude discriminator having differentiator means in each channel ana common output |
| NL245481A (en:Method) * | 1958-11-24 | 1900-01-01 | ||
| US3028554A (en) * | 1959-09-28 | 1962-04-03 | Jr Edward J Hilliard | Automatic variable slicer circuit |
-
0
- BE BE620410D patent/BE620410A/xx unknown
- NL NL281550D patent/NL281550A/xx unknown
-
1961
- 1961-07-31 US US128086A patent/US3223972A/en not_active Expired - Lifetime
-
1962
- 1962-04-16 GB GB26039/63A patent/GB949040A/en not_active Expired
- 1962-04-16 GB GB14584/62A patent/GB939432A/en not_active Expired
- 1962-07-27 CH CH906862A patent/CH397303A/fr unknown
- 1962-07-27 DE DE1962N0021906 patent/DE1195986C2/de not_active Expired
- 1962-07-27 CH CH1088564A patent/CH421585A/fr unknown
- 1962-07-30 FR FR905468A patent/FR1337377A/fr not_active Expired
- 1962-07-30 NL NL62281550A patent/NL146955B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH397303A (fr) | 1965-08-15 |
| DE1195986C2 (de) | 1966-03-10 |
| US3223972A (en) | 1965-12-14 |
| CH421585A (fr) | 1966-09-30 |
| FR1337377A (fr) | 1963-09-13 |
| GB939432A (en) | 1963-10-16 |
| GB949040A (en) | 1964-02-12 |
| DE1195986B (de) | 1965-07-01 |
| NL146955B (nl) | 1975-08-15 |
| NL281550A (en:Method) | 1900-01-01 |