Combined or standalone hand-held A/V camera system

A combined or standalone hand held A/V camera system including a main unit, an A/V output unit and a hand held A/V camera with each unit separately provided with a portable battery source and a wire or wireless transmission device when each unit is operating in standalone mode;

• the transmission includes operational wireless video, audio, A/V mixed signals, or a signal control transmission and receiving device, or a conductor for wired transmission is provided as the coupling for standalone operation;
• in the standalone operation mode, if any unit is provided with a portable batter source, the wired conductor is used for transmission of source, video, audio, A/V mixed signals, or signal control;
• or if each unit is provided with a portable battery source, a transmission and receiving device by means of RF electromagnetic wave or infrared is used to engage in wireless transmission of video, audio, A/V mixed signals, or signal control;
• all units can be combined to one another by a detachable mechanism to easily engage or disengage to other unit by caulking, insertion, locking, rotation or magnetic attraction;
• when combined, a conductor or a plug-and-socket set is used for coupling to transmit source, video, audio, A/V mixed signals, or signal control;
• or an RF electromagnetic wave or infrared transmission and receiving device is used to engage wireless transmission of video, audio, A/V mixed signals, or signal control;
• and is essentially comprised of:
• a main unit 101:
• relates to a prior art of hand-held A/V camera, such as a main unit of a hand held still camera or a video camera provided in an independent casing, and the casing also contains an operation interface and main unit related circuit device 102, a mechanism, a storage device for A/V data 103 a portable storage source 104, a transmission device 105 for combined or standalone operation mode, including a wireless transmission and receiving device 105 which may be of a wireless transmission and receiving device, or a conductor or a plug-and-socket set as a transmission interface of video, audio, A/V mixed signals, or signal control;
• and if not sharing the same structure with other unit, the unit being provided with a detachable mechanism to easily engage or disengage to other unit by caulking, insertion, locking, rotation or magnetic attraction;
• an A/V output unit 111:
• relates to a local display device of a hand held A/V camera of the prior art provided in an independent casing which further containing an image display 112, an optional speaker 113, an A/V output related circuit 114 and mechanism;
• and either a portable battery source 115 or a transmission conductor or a plug-and-socket set to introduce the source, and a transmission device 116 to be used in the combined or standalone operation mode including a wireless transmission and receiving device, or a conductor or a plug-and-socket set serving as an interface for the transmission of video, audio, A/V, or signal control;
• and when the unit does not share the structure with other unit, detachable mechanism to easily engage or disengage to other unit by caulking, insertion, locking, rotation or magnetic attraction is provided;
• and
• a hand held A/V camera unit 121:
• relates to a digital camera or a hand-held camera, such as a V8, Hi8, digital D8 or Dv8 of the prior art provided in an independent casing;
• the casing containing an A/V camera structure 122 and mechanism that is provided one or more than on function of still photo taking, or video continuous taping, or photo-taking and audio taping, or video continuous taping and audio taping, and an optional data storage 123, or a portable battery source 124, or a transmission conductor of a plug-and-socket set to introduce source, and a transmission device 125 to be used in combined or standalone operation mode including a wireless transmission and receiving device, or a conductor or a plug-and-socket set to serve as a transmission interface for video, audio, A/V mixed signals or signal control;
• and when the unit does not share the structure with other unit, detachable mechanism to easily engage or disengage to other unit by caulking, insertion, locking, rotation or magnetic attraction is provided.