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(12) United States Patent (10) Patent No.: US 7,589,852 B2 Niida (45) Date of Patent: Sep

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(12) United States Patent (10) Patent No.: US 7,589,852 B2 Niida (45) Date of Patent: Sep US007589852B2 (12) United States Patent (10) Patent No.: US 7,589,852 B2 Niida (45) Date of Patent: Sep. 15, 2009 (54) IMAGE CAPTURE APPARATUS AND 7,292,770 B2 11/2007 Nakano et al. CONTROL METHOD FOREIGN PATENT DOCUMENTS (75) Inventor: Mitsuo Niida, Tokyo (JP) JP 05-260425 A 10, 1993 JP T-154731 A 6, 1995 (73) Assignee: Canon Kabushiki Kaisha, Tokyo (JP) JP 7-154740 A 6, 1995 JP 9-200674. A 7/1997 (*) Notice: Subject to any disclaimer, the term of this JP 2001-101790 4/2001 patent is extended or adjusted under 35 JP 2001-11 1939 4/2001 U.S.C. 154(b) by 789 days. JP 2002-218366 A 8, 2002 JP 2003-061013 A 2, 2003 (21) Appl. No.: 11/000,485 JP 2003-25O106 9, 2003 (22) Filed: Nov. 29, 2004 k cited. by examiner O O Primary Examiner Thomas D Lee (65) Prior Publication Data Assistant Examiner Stephen M Brinich US 2005/O141039 A1 Jun. 30, 2005 (74) Attorney, Agent, or Firm Canon USA Inc IP Div (30) Foreign Application Priority Data (57) ABSTRACT Dec. 3, 2003 (JP) ............................. 2003-404881 An image capture apparatus (for example, a camcorder) includes a first recording unit, a second recording unit, and a (51) Int. Cl. controlling unit. The first recording unit records a moving H04N I/40 (2006.01) image on a first recording medium connected to the image (52) U.S. Cl. ..................................... 358/1.15: 358/1.16 capture apparatus. The second recording unit records, O a (58) Field of Classification Search ....... 358/1.15-1.18, second recording medium connected to the image capture 358/496; 348/14.1-14. 11, 152-155,208.1 apparatus, related information including information being 348/208.4 208.6, 208.13-208.14, 352 used to generate a search command for searching the first See application file for complete search history. recording medium to find the moving image. The controlling (56) References Cited unit (a) controls the image capture apparatus to transmit the related information reproduced from the second recording U.S. PATENT DOCUMENTS medium to a controller connected to the image capture appa ratus, and (b) controls the image capture apparatus based on 6,198.833 B1* 32001 Rangan et al. .............. 382,103 the search command received from the controller to search 6,415,097 B1 7/2002 Takei et al. the first recording medium to find the moving image 7,007,888 B2 * 3/2006 Brunson et al. ............ 244.3.18 9. g 1mage. 7,027,717 B1 4/2006 Tsujii et al. 7,193,645 B1* 3/2007 Aagaard et al. .......... 348,211.3 10 Claims, 24 Drawing Sheets 2 3. 6 -- S. AUDO AUDO MICROPHONEBoossoR COMPRESSOR RECORDING 4 5 PROCESSING MAGNETIC RECORDING HEAD IMAGE COMPRESSING UNIT FORMATPROCESSOR 14 AN GENERATOR SUBCODE GENERATOR TIMECODE TAPE DRIVE GENERATOR MECHANISM 18 s INDEX GENERATING UNIT TAPE DRIVE CONTROLLER CONTROLLER ATN DETECTOR. R.27 24 23 TIMECODE D-If - a. DETECTOR DATA AUDIO OUTPUT REPRODUCED AUDIO 28 SEPARATOR DEWICE PROCESSOR 19 26 25 2 IMAGE OUTPUT REPRODUCED DEWICE IMAGE PROCESSOR U.S. Patent Sep. 15, 2009 Sheet 3 of 24 US 7,589,852 B2 FIG. 3 MSB PCO (ITEM) PC1 PC2 (DATA) PC3 PC4 U.S. Patent Sep. 15, 2009 Sheet 4 of 24 US 7,589,852 B2 U.S. Patent Sep. 15, 2009 Sheet 5 of 24 US 7,589,852 B2 U.S. Patent Sep. 15, 2009 Sheet 6 of 24 US 7,589,852 B2 FIG. 6 START S401 ISBUS RESET DETECTED 2 no YES INITIALIZATION OPERATION S403 S410 IS IDENTIFICATION INFORMATION DETECTED 2 YES TRANSMIT IDENTIFICATION INFORMATION S411 REQUEST FOR RECEIVING INDEX S404 TRANSMISSION OF INDEX for 2 so COMPLETED S4O6 YES REQUEST FOR RECEIVING POSITIONAL INFORMATION ON TAPE CORRESPONDING TO INDEX TRANSMISSION OF IS a POSITIONAL INFORMATION ON TAPE COMPLETED 2 S408 IS OPERATION COMPLETED FOR ALL THE INDEXES 2 YES END S409 U.S. Patent Sep. 15, 2009 Sheet 7 of 24 US 7,589,852 B2 FIG. 7 460 CONTROLLER NODE CONNECTION CONNECTION MANAGEMENT MANAGEMENT COMMAND COMMAND PRODUCER DATA FLOW CONSUMER NODE NODE 4602 4603 U.S. Patent Sep. 15, 2009 Sheet 10 of 24 US 7,589,852 B2 }{{HÍNÍTSNOO ?IJVOOTTIV HOWELLV HOVLJIVTORJEVOOTTV U.S. Patent Sep. 15, 2009 Sheet 11 of 24 US 7,589,852 B2 |- () |---- | U.S. Patent Sep. 15, 2009 Sheet 12 of 24 US 7,589,852 B2 HOWALCHOI GISVIHTOEHH HOHWIOSNOO?HCHTITIO?HALNOO?HCHOTICIO?HAI GISVGITIGHHTHOVALGICI U.S. Patent Sep. 15, 2009 Sheet 13 of 24 US 7,589,852 B2 FIG. 14 1230 TIFF Header 231 Oth IFD Pointer 1232 Entry Count Image Width 1233 Oth IFD for Image Length Primary Data Exif IFD Pointer 1234 1st IFD Pointer 1235 Value of Oth IFD 1236 Entry Count 1237 Exif Private Tag Maker Note 1238 1239 Value of Exif Data 1240 Maker Note Data 1241 IFD f Image Width 1242 ThumbnailSTP, Data Image Length 1243 Terminal 1244 Value of 1st IFD 1245 Thumbnail Data 1246 Plimary Image Data U.S. Patent Sep. 15, 2009 Sheet 15 of 24 US 7,589,852 B2 FIG 16 APP1 Marker APP1 Length Exif Identifier and Pnd TIFF Header Entry Count Oth IFD for Primary Data Exit IFD Pointer 1st IFD Pointer Value of Oth IFD Exif Private Tag Thumbnail1st IFD for Data Thumbnail Data U.S. Patent Sep. 15, 2009 Sheet 16 of 24 US 7,589,852 B2 FIG. 17 START S801 DETECT BUS RESET S802 INITIALIZATION OPERATION --S803 DETECT CASSETTE ID (CID) S804 S805 HAS NO CAMCORDER BEEN CONNECTED 2 HISTORY EXIST? READ OUT HISTORY INFORMATION OF CID (HID) ACQUIRE LIST (L) OF INDEX IMAGE REQUEST FOR TRANSFERRING CALCULATE ALL THE INDEX DIFFERENCES IMAGES BETWEEN LIAND HID REQUEST FOR TRANSFERRING INDEX IMAGE BASED ONS CREATE CID HISTORY S814 RECORD CID HISTORY S815 END S816 U.S. Patent Sep. 15, 2009 Sheet 17 of 24 US 7,589,852 B2 FIG. 18 1503 1504 1512 SSSSSXSSSSSSSXXXXXXXXXX-XXXXXPXXXXX as S&SYaYax/YaYa X^NaNaNasaya NaNaN YaYaaaSaa/NaNa/YYYaK^Xaxaca.2%N8XXX: 1505 1501 508 502 151. 1516 1514 1513 1515 1517 U.S. Patent Sep. 15, 2009 Sheet 19 of 24 US 7,589,852 B2 cy O N U.S. Patent US 7,589,852 B2 VIZ'0IJI U.S. Patent Sep. 15, 2009 Sheet 21 of 24 US 7,589,852 B2 FIG. 22 VALUE MEANING asynchronous plug?Ol asynchronous plug30) any available asynchronous plug FIG. 23 VALUE MEANING Consumer port producer port1l producer port 14) any available producer port U.S. Patent Sep. 15, 2009 Sheet 22 of 24 US 7,589,852 B2 FIG. 24 MEANING Writing in segment buffer of this consumer port in any order is allowed Only sequential writing in segment buffer of this consumer port from head is allowed This consumer port supports multicast connection This consumer port does not support multicast connection This port supports only fixed-size segment buffer This port supports change 011.6-0E16 012 FRAME in size of segment buffer for every frame This port supports change 102 SEGMENT in size of segment buffer for every segment ll2 reserved U.S. Patent Sep. 15, 2009 Sheet 23 of 24 US 7,589,852 B2 FIG. 25 VALUE MEANING Transmission of segment data is MORE 1. completed (subsequent segment data exists) SUSPENDED Change of consumer to suspended mode is confirmed Transmission of segment data is completed (transmission of last segment data in frame is completed) Transmission of frame data is suspended (transmitted data is effective) Transmission of frame data is JUNK suspended (transmitted data is ineffective) LOST TOSS notification from consumer is confirmed FIG. 26 VALUE MEANING 1. SUSPEND 2 Notification of change to suspended mode a- 3 reserved ResuME | 4 |Nottish of turn from SEND 5 Request for transmitting segment data reserved Notification of discard of subsequent TOSS 7 segment data (frame data is not used) U.S. Patent Sep. 15, 2009 Sheet 24 of 24 US 7,589,852 B2 FIG. 27 Tag Number tape UUID cassetteUUID of 2011 LONG 1 o Recording Recording date of 202016 BYTE Date tape Recording Recording time of 202116 BYTE me tape US 7,589,852 B2 1. 2 IMAGE CAPTURE APPARATUS AND medium to a controller connected to the image capture appa CONTROL METHOD ratus and control the image capture apparatus to search for the moving image in accordance with a command transmitted BACKGROUND OF THE INVENTION from the controller. In another aspect of the present invention, a control method 1. Field of the Invention controls an image capture apparatus that includes a first The present invention relates to control of an image capture recording unit adapted to record a moving image on a first apparatus, for example, a camcorder. recording medium, and a second recording unit adapted to 2. Description of the Related Art record, on a second recording medium, related information Video data, which is captured by a moving-image capture 10 including information required for searching for the moving apparatus including a camcorder and is recorded on a record image. The control method includes steps of transmitting the ing medium including a video tape, is usually a collection of related information reproduced from the second recording so-called clips, that is, a series of videos continuously cap medium to a controller connected to the image capture appa tured. Each clip is often relatively short in the case of the ratus; and searching for the moving image in accordance with camcorder. Accordingly, it is necessary to searching for a 15 a command transmitted from the controller. desired clip in order to confirm the content or to edit the Other features and advantages of the present invention will videos after the videos are captured.
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