Video camera and remote recording system

• US 7,817,905 B2
• Filed: 10/18/2005
• Issued: 10/19/2010
• Est. Priority Date: 11/17/2004
• Status: Expired due to Fees

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Shellshear, Andrew John
• Primary Examiner(s): Banks Harold; Marsha D
• Assistant Examiner(s): KHAN, ASHER R
• Application Number:
  US11/251,836
• Publication Number:
  US 20060104616A1
• Time in Patent Office: 1,827 Days
• Field of Search: 386/46, 386/117
• US Class Current: 386/224
• CPC Class Codes: G11B 27/10 Indexing; Addressing; Timing or synchronising; Measuring tape travel
• CPC Class Codes: H04N 23/661 Transmitting camera control signals through networks, e.g. control via the Internet
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/77 between a recording apparatus and a television camera
• CPC Class Codes: H04N 5/772 the recording apparatus and the television camera being placed in the same enclosure
• CPC Class Codes: H04N 9/8205 involving the multiplexing of an additional signal and the colour video signal

Abstract

A system for recording audio and video comprises at least one video camera device (100), each camera device comprising a subsystem for capturing (112) at least video data, a storage device (107) upon which at least the video data is stored, a wireless interface (108) for communicating with at least one further recording device (200), an internal clock(106) for recording at least a time at which the video data was recorded, and a connecting port (108, 110) enabling connection to a remote-control device (eg. 200). The system also has at least one of the further recording devices (200), each comprising a microphone (215) for capturing audio information and a storage device upon which corresponding audio data is recorded, a wireless interface (208) for communicating with the video camera device, an internal clock (206) for recording at least a time at which the audio data was recorded, and a connection port (208,210) enabling connection to the video camera device.

Claims

1. A system for recording audio and video, said system comprising:

at least one video camera device, each said video camera device comprising (a) a subsystem for capturing at least video data, (b) a storage device upon which at least the video data is stored, (c) a wireless interface for communicating with at least one further recording device, (d) an internal clock for recording at least a time at which the video data was recorded, and (e) a connecting port enabling connection to a remote-control device;

at least one said further recording device, each said further recording device comprising (a) at least one microphone for capturing audio information, (b) a storage device upon which corresponding audio data is recorded, (c) a wireless interface for communicating with said video camera device, (d) an internal clock for recording at least a time at which the audio data was recorded, and (e) a connection port enabling connection to said video camera device, wherein said at least one further recording device is configured to operate both when connected to and when separate from said at least one video camera device, and wherein said storage device of said video camera device is separate from said storage device of said further recording device; and

at least one device synchronization list configured to store (a) a time from said internal clock of said video camera device, (b) a time from said internal clock of said at least one further recording device, and (c) a clock tolerance indicating a level of accuracy of time synchronization between said video camera device and said further recording device, the device synchronization list being used for simultaneous reproduction of the stored video data and the corresponding audio data recorded when said video camera device and said further recording device are separated.

2. A system according to claim 1, wherein one said further recording device is adapted to be physically and detachably coupled to one said video camera device for at least audio recording operations at the video camera device and, when detached, for audio recording operations at a location remote from said video camera device.

3. A system according to claim 1, wherein said further recording device further comprises a remote control device for controlling operation of said video camera device.

4. A system for recording audio and video data, said system comprising:

a video camera device comprising (a) a subsystem for capturing at least video data, (b) a storage device upon which at least the video data is stored, (c) a wireless interface for communicating with at least one remote controller, and (d) an internal clock for recording at least a time at which the video data was recorded;

at least one said remote controller, each said remote controller comprising (a) at least one microphone for capturing audio data, (b) a storage device upon which the audio data is stored, (c) a wireless interface for communicating with said video camera device, and (d) an internal clock for recording at least a time at which the audio data was recorded, wherein said at least one remote controller is configured to operate both when connected to and when separate from said video camera device, wherein said remote controller transmits reproduced audio data to said video camera device, and makes said video camera device record the reproduced audio data relating to the video data in accordance with each said internal clock of said remote controller and said video camera device, and wherein said storage device of said video camera device is separate from said storage device of said remote controller; and

at least one device synchronization list configured to store (a) a time from said internal clock of said video camera device, (b) a time from said internal clock of said at least one remote controller, and (c) a clock tolerance indicating a level of accuracy of time synchronization between said video camera device and said remote controller, the device synchronization list being used for simultaneous reproduction of the stored video data and the corresponding audio data recorded when said video camera device and said remote controller are separated.

5. A system for recording audio and video data, said system comprising:

a video camera device comprising (a) a subsystem for capturing at least video data, (b) a storage device upon which at least the video data is stored, (c) a wireless interface for communicating with at least one remote controller, and (d) an internal clock for recording at least a time at which the video data was recorded;

at least one said remote controller, each said remote controller comprising (a) at least one microphone for capturing audio data, (b) a storage device upon which the audio data is stored, (c) a wireless interface for communicating with said video camera device, and (d) an internal clock for recording at least a time at which the audio data was recorded, wherein said at least one remote controller is configured to operate both when connected to and when separate from said video camera device, wherein said remote controller transmits reproduced audio data to said video camera device, and makes said video camera device record the reproduced audio data relating to the video data in accordance with each said internal clock of said remote controller and said video camera device, and wherein said storage device of said video camera device is separate from said storage device of said remote controller; and

at least one device synchronization list formed within at least said storage device of said video camera device, said device synchronization list being configured to store (a) a time from said internal clock of said video camera device, (b) a time from said internal clock of said at least one remote controller, and (c) a clock tolerance indicating a level of accuracy of time synchronization between said video camera device and said remote controller, the device synchronization list being used for simultaneous reproduction of the stored video data and the corresponding audio data recorded when said video camera device and said remote controller are separated.

6. A system according to claim 5, further comprising at least one said device synchronization list formed within the storage device of the at least one remote controller.