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Texas Instruments MC-780PIx, Руководство пользователя

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Texas Instruments MC-780PIx Скачать руководство пользователя страница 30

Random Shutter (V Sync Reset)

4-4

Using the Shutter Modes

4.3

Random Shutter (V Sync Reset)

On the rear panel mode switch SW3, set switch 1 to OFF and switch 2 to ON.
Use the shutter speed control switch SW1 to set the shutter speed. Figure 4–3
shows the random shutter speed control timing with V sync reset.

The random shutter operates only when the shutter command has been
added, so continuous shutter is the normal operating mode.

Figure 4–3. Random Shutter Control Timing (V Sync Reset)

249

 µ

s (PIA)

142

 µ

s (PIH)

1 Field

Read out

Field indicator output

Shutter monitor output

Shutter command

Output interruption

V sync reset

Содержание MC-780PIx

Страница 1: ...MC 780PIx CCD Camera User s Guide SOCU006 July 1998 Printed on Recycled Paper...

Страница 2: ...ONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH PERSONAL INJURY OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE CRITICAL APPLICATIONS TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANT...

Страница 3: ...ion with the products before during and after installation Information About Cautions and Warnings This book may contain cautions and warnings This is an example of a caution statement A caution state...

Страница 4: ...4 2324 33 1 3070 1032 dsph ti com http www ti com dsps 713 274 2323 8 N 1 44 2 3422 3248 ftp ti com mirrors tms320bbs 192 94 94 53 Ask questions about micro controller product operation or report susp...

Страница 5: ...1 2 3 2 2 2 External Synchronization Terminal Resistance Switch SW4 2 4 2 2 3 Mode Switches SW3 2 4 2 2 4 Gain Mode Switch SW2 2 5 2 2 5 Gain Variable Volume Control VR1 2 5 2 2 6 DC IN Terminal 2 6 2...

Страница 6: ...Initial Switch Settings 5 2 6 Precautions for Use 6 1 6 1 Precautions for Use 6 2 6 1 1 Power Source 6 2 6 1 2 Heat Reduction 6 2 6 1 3 Locations for Use and Storage 6 2 6 2 Maintenance 6 3 7 Specific...

Страница 7: ...Output Switch S1 2 9 2 8 Gamma Switch SW1 2 9 2 9 AC DC Output Switch SW4 2 10 2 10 Outline Emphasis Circuit ON OFF Switch SW2 2 10 3 1 External Sync Timing 3 2 3 2 External Sync With No Interlace 3 3...

Страница 8: ...Terminal 2 7 2 8 SYNC Signal HD VD Input Output Switch SW1 2 8 2 9 Option Output Switch S1 2 9 2 10 Gamma Switch SW1 2 9 2 11 AC DC Output Switch SW4 2 10 2 12 Outline Emphasis Circuit ON OFF Switch S...

Страница 9: ...operation and characteristics of the MC 780PIA and MC780PIH video cameras This chapter gives an overview of the cameras and their features Please read and keep this document as a reference Topic Page...

Страница 10: ...d or M manual adjust using the internal switches for gamma charac terisitcs it is possible to select ON corrected 0 45 and OFF uncorrected 1 1 1 3 External Sync The camera module can be operated with...

Страница 11: ...Other Features 1 3 Overview 1 2 Other Features Long life span high reliability Low distortion high precision image High near infrared sensitivity Quick starting...

Страница 12: ...1 4 Overview...

Страница 13: ...nent Nomenclature and Use of Each Component This chapter describes the location and use of components connectors and controls Topic Page 2 1 Mounting System 2 2 2 2 Rear Panel Switches and Terminals 2...

Страница 14: ...screws located on the ring The lens can also be brought back closer to the CCD by removing the focus ring 2 1 2 Mounting Holes A There are four screw holes on the top and bottom for mounting the came...

Страница 15: ...r Panel SW1 SW4 SW3 SW2 VR1 DC IN LENS DC IN SYNC 2 2 1 Shutter Speed Control Switch SW1 Switch SW1 sets the electronic shutter speed Table 2 1 shows the shutter speed settings Table 2 1 Shutter Speed...

Страница 16: ...and Table 2 4 Table 2 3 Mode Switches SW3 Switch No Mode Operation 1 Shutter 1 Refer to list below 2 Shutter 2 Refer to list below 3 External sync ON for external sync 4 External sync ON for external...

Страница 17: ...source is supplied by the AC adaptor PS 780 12J When a different type of power source is used the connector standard must conform to EIAJ RC 5320A Voltage Classification 4 2 2 7 LENS Terminal When th...

Страница 18: ...e from the camera module and inputs outputs sync signals through cable connector HR10A 10P 12S Table 2 7 lists the terminal pins signals and levels Table 2 7 DC IN SYNC Terminal Pin No Input Output Si...

Страница 19: ...side Clock board outside Connectors Bottom Lens Processor board outside 2 3 1 SYNC Signal HD VD Input Output Switch SW1 Switch SW1 selects between internal sync output and external sync input Table 2...

Страница 20: ...n Table 2 10 and shown in Figure 2 8 Table 2 10 Gamma Switch SW1 Switch Position Gamma Characteristics Upper gamma 1 OFF Center Not used Lower gamma 0 45 ON Figure 2 8 Gamma Switch SW1 Upper Center Lo...

Страница 21: ...es the image easier to see by emphasizing the image outline when the camera is used for surveillance Table 2 12 lists the switch positions and functions and Figure 2 10 shows the switch Table 2 12 Out...

Страница 22: ...2 10 Nomenclature and Use of Each Component...

Страница 23: ...al sync sig nal When using external sync set the clock board s sync signal input output switch SW1 to the external sync signal in upper switch position and switches 3 and 4 to the mode switch SW3 loca...

Страница 24: ...4 kHz 1 63 5 s 1 VD signals 262 5 H Phase In Figure 3 1 when the last VD transition is between 47 42 s ahead and 16 13 s behind relative to the last HD transition it becomes the ODD field When the las...

Страница 25: ...ch 5 of mode switch SW3 to OFF 3 2 1 External Sync Signal Input Conditions HD signals 15 734 kHz 1 63 5 s 1 VD signals 244 1021 H see Notes 1 and 2 Phase Figure 3 2 External Sync With No Interlace HD...

Страница 26: ...3 4 Using the External SYNC Mode...

Страница 27: ...Modes This chapter describes the various shutter modes and how to use them Topic Page 4 1 Continuous Shutter 4 2 4 2 Random Shutter Fixed V Sync 4 3 4 3 Random Shutter V Sync Reset 4 4 4 4 VI Mode Shu...

Страница 28: ...SW3 set switch 1 to ON and switch 2 to OFF Use the shutter speed control switch SW1 to set the shutter speed Figure 4 1 shows the continuous shutter speed control timing Figure 4 1 Continuous Shutter...

Страница 29: ...W1 to set the shutter speed The random shutter operates only when the shutter command has been added so continuous shutter is the normal operating mode Figure 4 2 shows the random shutter speed contro...

Страница 30: ...et the shutter speed Figure 4 3 shows the random shutter speed control timing with V sync reset The random shutter operates only when the shutter command has been added so continuous shutter is the no...

Страница 31: ...external VI command is input expo sure will occur for the period of the command This mode is only for non inter lace The image quality may be lower due to timed exposures use accordingly Figure 4 4 s...

Страница 32: ...ts black The lower part of the image cannot output to the extent of the line count conforming to the shutter speed Table 4 1 Line Table Corresponding to Shutter Speeds Shutter Speed MC 7890PIA MC 780P...

Страница 33: ...5 1 Initial Settings Initial Settings This chapter describes the modes of operation and the initial switch settings Topic Page 5 1 Modes and Initial Switch Settings 5 2 Chapter 5...

Страница 34: ...er OFF Rear panel SW3 1 2 OFF 1 60 seconds continuous shutter Random shutter V fixed Random shutter V reset VI shutter optional exposure period Internal External Sync Internal sync Rear panel SW3 4 In...

Страница 35: ...6 1 Precautions for Use Precautions for Use Topic Page 6 1 Precautions for Use 6 2 6 2 Maintenance 6 3 Chapter 6...

Страница 36: ...ry to use forced air conditioning 6 1 3 Locations for Use and Storage Do not operate or store the camera in the following locations Locations of extreme heat or cold The proper temperature for use is...

Страница 37: ...orcefully can damage the glass or create static electricity that can damage the CCD Use a soft dry cloth to clean dirt off the exterior If it is extremely dirty use a small amount of a neutral deterge...

Страница 38: ...6 4 Precautions for Use...

Страница 39: ...7 1 Specifications Specifications This chapter lists the specifications for the cameras Topic Page 7 1 Image System 7 2 7 2 Optical Elements and Other Specifications 7 3 Chapter 7...

Страница 40: ...CD TI manufactured CCD TC241 30 Effective Pixel Count 754 484 horizontal vertical Sensor Screen Area 2 3 inch format screen size 8 8 mm 6 6 mm Signal System Based on EIA 170A system Table 7 2 MC 780PI...

Страница 41: ...MC 780PIA over 53 dB MC 780PIH over 55 dB Gain Auto gain adjust fixed gain variable gain gamma Characteristics gamma 1 0 45 White Clip 120IRE 15IRE Shutter Modes Continuous shutter random shutter VI m...

Страница 42: ...7 4 Specifications...

Страница 43: ...8 1 Exterior Dimensions Exterior Dimensions This chapter lists exterior dimensions Topic Page 8 1 Exterior Dimensions 8 2 Chapter 8...

Страница 44: ...shows the exterior dimensions for the camera The following notes apply 1 unit mm 2 Since the focus ring is adjustable this is the middle value 1 2 mm 3 The TI logo for the camera cover is a sticker wi...

Страница 45: ...Dimensions Figure 8 1 Exterior Dimensions Optical Center 44 22 48 27 DC 12 V 500 mA VIDEO OUT LENS DC IN SYNC 40 112 93 13 8 79 14 14 23 10 4 M2 6 4 5 2 M4 5 U1 4 2OUNC 6 15 15 22 79 10 15 15 22 4 M2...

Страница 46: ...8 4 Exterior Dimensions...

Страница 47: ...9 1 Other Issues Other Issues This chapter discusses cable and connector issues Topic Page 9 1 Connectors 9 2 Chapter 9...

Страница 48: ...ts of Hirose Electrical Co Main Business Office Gotanda I S Building 10th Floor 1 11 Osaki 5 chome Shinagawa ku Tokyo 141 Telephone 03 3492 2162 Fax 03 3490 9229 Osaka Business Office 2 22 Tai deramac...

Страница 49: ...ONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH PERSONAL INJURY OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE CRITICAL APPLICATIONS TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANT...

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