초록 ▼

A mobile digital video recorder (MDVR) has a hollow shell, two board tracks, two brackets, a main board, power board, VSM board, and a storage device. The board tracks and the brackets are attached securely in the shell. The main board is mounted slidably and detachably in the shell via the tracks.

A mobile digital video recorder (MDVR) has a hollow shell, two board tracks, two brackets, a main board, power board, VSM board, and a storage device. The board tracks and the brackets are attached securely in the shell. The main board is mounted slidably and detachably in the shell via the tracks. The power board is mounted slidably and detachably in the shell via the tracks. The VSM board is mounted slidably and detachably in the shell via the tracks. The storage device is mounted slidably and detachably in the shell via the brackets. Therefore, the main board, power board, VSM board and the storage device are easily pulled out from the shell for repairing, replacing, or upgrading to new technology.

대표청구항 ▼

1. A mobile digital video recorder comprising: a hollow shell having a front opening and a rear opening;a board track assembly mounted securely in the shell and having two tracks being opposite to each other, and each track having an elongated channel;a rail assembly mounted securely in the shell an

1. A mobile digital video recorder comprising: a hollow shell having a front opening and a rear opening;a board track assembly mounted securely in the shell and having two tracks being opposite to each other, and each track having an elongated channel;a rail assembly mounted securely in the shell and having two brackets being opposite to each other, each bracket having an elongated rib;a signal converting board mounted in the rear opening of the shell and having a board socket group formed on an inner side of the signal converting board and corresponding to the board track assembly;a storage device socket group formed on an inner side of the signal converting board and corresponding to the rail assembly;a storage device mounted slidably and detachably in the shell and having two pairs of flanges formed respectively on two sides of the storage device; two recesses defined respectively between the pairs of flanges and respectively engaging the elongated ribs of the brackets to slide the storage device along the rail assembly;a plug formed on a rear end of the storage device and inserted into the storage device socket group;a main board for signal processing and power converting mounted slidably and detachably in the shell, mounted slidably in the channels of the tracks of the board track assembly and having a plug formed on a rear end of the main board and inserted into the board socket groupa module track assembly mounted securely in the shell and having two tracks being opposite to each other, each track or the module track assembly having an elongated channel;a module socket group formed on an inner side of the signal converting board and corresponding to the module track assembly;a virtual synchronized mapping module for receiving global positioning signals mounted slidably and detachably in the shell, mounted slidably in the channels of the tracks of the module track assemble and having a plug formed on a rear end of the virtual synchronized mapping module and inserted into the module socket group. 2. The mobile digital video recorder as claimed in claim 1, further comprising a grip having a holder, two projections and a connecting part formed between the projections and the holder, wherein the main board has a front panel with protrusions selectively hooking the projections of the grip; and the virtual synchronized mapping module has a front panel with protrusions selectively hooking the projections of the grip. 3. The mobile digital video recorder as claimed in claim 2, wherein the shell has a body comprising a lower casing having a bottom panel and two inner side panels formed on two sides of the bottom panel; and an upper casing mounted above the lower casing and having a top panel; and two outer side panels formed on two sides of the top panel and attached respectively to outer sides of the inner side panels by fasteners; the tracks of the module track assembly are attached securely to bosses of the lower casing via fasteners. 4. The mobile digital video recorder as claimed in claim 3 further comprising a front cover, wherein the top panel of the upper casing has a front sheet; and the front cover covering the front opening of the shell and has a lock with a tongue driven by the lock and hooking the front sheet of the top panel. 5. The mobile digital video recorder as claimed in claim 4 further comprising a rear cover, wherein the rear panel of the lower casing has a rear sheet; and the rear cover covering the rear opening of the shell and has a lock with a tongue driven by the lock and hooking the rear sheet of the bottom panel. 6. The mobile digital video recorder as claimed in claim 5, wherein the body of the shell has an inner casing mounted between the upper and lower casings and having a partition; and two side wings formed on two sides of the partition and are attached respectively to inner sides of the inner side panels by fasteners; the tracks of the board track assembly are attached securely to the inner casing via fasteners; and the brackets of the rail assembly are attached securely to the side panels of the inner casing via fasteners. 7. The mobile digital video recorder as claimed in claim 6, wherein the side panels of the lower casing have multiple ears with screw holes; and the front panels are attached securely to the ears via screws to position the main board and the virtual synchronized mapping module securely. 8. A mobile digital video recorder comprising: a hollow shell having a front opening and a rear opening;a board track assembly mounted securely in the shell and having two tracks being opposite to each other, and each track having an elongated channel;a power track assembly mounted securely in the shell and having two tracks being opposite to each other, and each track having an elongated channel;a rail assembly mounted securely in the shell and having two brackets being opposite to each other, and each bracket having an elongated rib;a signal converting board mounted in the rear opening of the shell and having a board socket group formed on an inner side of the signal converting board and corresponding to the board track assembly;a power socket group formed on an inner side of the signal converting board and corresponding to the power track assembly;a storage device socket group formed on an inner side of the signal converting board and corresponding to the rail assembly;a storage device mounted slidably and detachably in the shell and having two pairs of flanges formed respectively on two sides of the storage device, two recesses defined respectively between the pairs of flanges and respectively engaging the elongated ribs of the brackets to slide the storage device along the rail assembly;a plug formed on a rear end of the storage device and inserted into the storage device socket group;a main board for signal processing mounted slidably and detachably in the shell, mounted slidably in the channels of the tracks of the board track assembly and having a plug formed on a rear end of the main board and inserted in to the board socket group;a power board for converting power mounted slidably and detachably in the shell, mounted slidably in the channels of the tracks of the power track assembly and having a plug formed on a rear end of the power board and inserted into the power socket group;a module track assembly mounted securely in the shell and having two tracks being opposite to each other, each track of the module track assembly having an elongated channel;a module socket group formed on an inner side of the signal converting board and corresponding to the module track assembly;a virtual synchronized mapping module for receiving global positioning signals mounted slidably and detachably in the shell, mounted slidably in the channels of the tracks of the module track assembly and having, a plug formed on a rear end of the virtual synchronized mapping module and inserted into the module socket group. 9. The mobile digital video recorder as claimed in claim 8, further comprising a grip having a holder, two projections and a connecting part formed between the projections and the holder, wherein the main board has a front panel with protrusions selectively hooking the projections of the grip; the power board has a front panel with protrusions selectively hooking the projections of the grip; and the virtual synchronized mapping module has a front panel with protrusions selectively hooking the projections of the grip. 10. The mobile digital video recorder as claimed in claim 9, wherein the shell has a body comprising a lower casing having a bottom panel and two inner side panels formed on two sides of the bottom panel; and an upper casing mounted above the lower casing and having a top panel; and two outer side panels formed on two sides of the top panel and attached respectively to outer sides of the inner side panels by fasteners; the tracks of the module track assembly and the power track assembly are attached securely to bosses of the lower casing via fasteners. 11. The mobile digital video recorder as claimed in claim 10 further comprising a front cover, wherein the top panel of the upper casing has a front sheet; and the front cover covering the front opening of the shell and has a lock with a tongue driven by the lock and hooking the front sheet of the top panel. 12. The mobile digital video recorder as claimed in claim 11 further comprising a rear cover, wherein the rear panel of the lower casing has a rear sheet; and the rear cover covering the rear opening of the shell and has a lock with a tongue driven by the lock and hooking the rear sheet of the bottom panel. 13. The mobile digital video recorder as claimed in claim 12, wherein the body of the shell has an inner casing mounted between the upper and lower casings and having a partition; and two side wings formed on two sides of the partition and are attached respectively to inner sides of the inner side panels by fasteners; the tracks of the board track assembly are attached securely to the inner casing via fasteners; and the brackets of the rail assembly are attached securely to the side panels of the inner casing via fasteners. 14. The mobile digital video recorder as claimed in claim 13, wherein the side panels of the lower casing have multiple ears with screw holes; and the front panels are attached securely to the ears via screws to position the main board and the virtual synchronized mapping module securely. 15. A mobile digital video recorder comprising: a hollow shell having a front opening and a rear opening, the front opening for slidably receiving a storage device, main board for signal processing, power board; and virtual synchronized mapping module, said rear opening having a signal converting board mounted therein, the signal converting board including sockets that face the interior of the hollow shell;said storage device, main board, power board, and virtual synchronized mapping module each having plugs for engagement within the sockets of the signal converting board when the storage device, memory board and power board are slidably received within said hollow shell;a sliding mechanism within said hollow shell for slidably receiving each of said storage device, main board, power board and virtual synchronized mapping module; anda gripping tool having a manual gripping portion and one or more projections for engaging at least one of said main board and power board to remove said respective boards from the hollow shell by gripping and sliding the respective boards along the sliding mechanism through said front opening.