IT1008040B - Apparecchio per la conversione di immagini ottiche in segnali elettrici e viceversa - Google Patents
Apparecchio per la conversione di immagini ottiche in segnali elettrici e viceversaInfo
- Publication number
- IT1008040B IT1008040B IT52564/73A IT5256473A IT1008040B IT 1008040 B IT1008040 B IT 1008040B IT 52564/73 A IT52564/73 A IT 52564/73A IT 5256473 A IT5256473 A IT 5256473A IT 1008040 B IT1008040 B IT 1008040B
- Authority
- IT
- Italy
- Prior art keywords
- viceversa
- conversion
- signals
- electrical
- equipment
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/11—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
- G08B13/1961—Movement detection not involving frame subtraction, e.g. motion detection on the basis of luminance changes in the image
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19634—Electrical details of the system, e.g. component blocks for carrying out specific functions
- G08B13/19636—Electrical details of the system, e.g. component blocks for carrying out specific functions pertaining to the camera
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Nonlinear Science (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Automatic Focus Adjustment (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31968072A | 1972-12-29 | 1972-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1008040B true IT1008040B (it) | 1976-11-10 |
Family
ID=23243247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT52564/73A IT1008040B (it) | 1972-12-29 | 1973-09-17 | Apparecchio per la conversione di immagini ottiche in segnali elettrici e viceversa |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS561607B2 (it) |
| CA (1) | CA993098A (it) |
| DE (1) | DE2348385C3 (it) |
| FR (1) | FR2212561B1 (it) |
| GB (1) | GB1445119A (it) |
| IT (1) | IT1008040B (it) |
| NL (1) | NL7313380A (it) |
| SU (2) | SU724094A3 (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5650253B2 (it) * | 1974-01-31 | 1981-11-27 | ||
| JPS5340545A (en) * | 1976-09-27 | 1978-04-13 | Tsuneo Oshishiba | Device for converting optical image to electric signal |
| FR2412867A1 (fr) * | 1977-12-26 | 1979-07-20 | Thomson Csf | Dispositif de lecture acousto-electrique d'une image optique |
| EP3153253B1 (en) * | 2015-10-05 | 2021-01-13 | Ansaldo Energia IP UK Limited | Method for treatment of metallic powder for selective laser melting |
-
1973
- 1973-09-17 IT IT52564/73A patent/IT1008040B/it active
- 1973-09-26 DE DE2348385A patent/DE2348385C3/de not_active Expired
- 1973-09-26 GB GB4501173A patent/GB1445119A/en not_active Expired
- 1973-09-27 JP JP10806573A patent/JPS561607B2/ja not_active Expired
- 1973-09-28 CA CA182,191A patent/CA993098A/en not_active Expired
- 1973-09-28 NL NL7313380A patent/NL7313380A/xx not_active Application Discontinuation
- 1973-09-28 SU SU731959357A patent/SU724094A3/ru active
- 1973-09-28 FR FR7334793A patent/FR2212561B1/fr not_active Expired
-
1978
- 1978-07-09 SU SU782044412A patent/SU695588A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS561607B2 (it) | 1981-01-14 |
| FR2212561A1 (it) | 1974-07-26 |
| GB1445119A (en) | 1976-08-04 |
| FR2212561B1 (it) | 1980-02-15 |
| SU724094A3 (ru) | 1980-03-25 |
| DE2348385C3 (de) | 1980-01-31 |
| SU695588A3 (ru) | 1979-10-30 |
| JPS4998649A (it) | 1974-09-18 |
| DE2348385B2 (de) | 1979-05-31 |
| CA993098A (en) | 1976-07-13 |
| DE2348385A1 (de) | 1974-07-11 |
| NL7313380A (it) | 1974-07-02 |
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