CN201251765Y - Computer extended card type power supply device with USB interface - Google Patents

Abstract

A computer extended card type power supply device with USB interface comprises a switch-type power supply module (1), an extended card bracket (2), an extended card circuit board (3), an alternating current power supply input socket (4), a power supply switch (5), a USB input socket (6), a SUPER-USB socket (A2) and a SUPER-USB socket (A6), wherein the USB input socket (6) is used to connected with a USB interface on a mainboard of a computer in telecommunication, and the switch-type power supply module (1) is operated by a power supply control formula arranged on a computer to convert alternating current power supplies which are input into a plurality of different direct current power supplies, and the different direct current power supplies are outwards output through the SUPER-USB socket (A2) and the SUPER-USB socket (A6) and the like. The computer extended card type power supply device can supply direct current power supplies needed by majority of USB external devices, thereby saving power supplies arranged on the external devices.

Description

Power supply device with computing machine expansion board type of USB interface

[technical field]

The utility model relates to electronic technology field, particularly relates to a kind of power supply device that desk-top computer has the computing machine expansion board type of USB interface that is used for.

[background technology]

General desk-top computer all has a plurality of USB socket, these USB socket can provide the 5V/500mA direct supply, these direct supplys can be used as the power supply of USB external unit, but because the peak power of the direct supply that is provided has only 2.5W, only enough deal with the extremely low USB external unit of some power consumption, other USB external unit such as printer, scanner, external hard disk etc. are generally all wanted self-powered supply.Power supply device with computing machine expansion board type of USB interface of the present utility model is arranged in the expansion card slot on the computer motherboard, can provide and enough deal with the required direct supply of most USB external unit.

[utility model content]

The purpose of this utility model is to provide a kind of power supply device with computing machine expansion board type of USB interface, can provide required direct supply to the USB external unit.

The purpose of this utility model is to realize like this, adopt a kind of like this power supply device of computing machine expansion board type, be used for desk-top computer, it is characterized in that described power supply device is provided with switching type power supply module (1), expansion board bracket (2) and expansion board wiring board (3), AC in connector (4), power switch (5), USB input socket (6), SUPER-USB socket (A2), SUPER-USB socket (A6); Wherein, expansion board bracket (2) is used for fixing power supply device with expansion board wiring board (3), make power supply device can be inserted into and be fixed in the computer main frame panel slot, expansion board bracket (2) is the computing machine expansion board bracket of a dibit, expansion board bracket (2) is provided with AC in connector (4), power switch (5), SUPER-USB socket (A2), SUPER-USB socket (A6), and expansion board wiring board (3) is provided with switching type power supply module (1), USB input socket (6);

And,

Switching type power supply module (1) is connected with AC in connector (4), power switch (5), USB input socket (6), SUPER-USB socket (A2), SUPER-USB socket circuitry phases such as (A6), switching type power supply module (1) will be converted to a plurality of different direct supplys from the AC power of AC in connector (4) input, and by outwards output such as SUPER-USB socket (A2), SUPER-USB socket (A6);

Power switch (5) is the switch that is used for the AC power input of power supply device;

USB input socket (6) be used for computer motherboard on USB interface mutually telecommunication connect.

In addition, also be provided with usb hub in the described switching type power supply module (1), usb hub is connected with USB input socket (6) and SUPER-USB socket (A2), SUPER-USB socket circuitry phases such as (A6) respectively, and the USB interface on the computer motherboard that USB input socket (6) is connected by usb hub extends to SUPER-USB socket (A2), the SUPER-USB socket (A6) on the power supply device.And, also be provided with the usb circuit that is connected with the usb hub circuitry phase in the described switching type power supply module (1), switching type power supply module (1) by the USB interface on this usb circuit, usb hub, USB input socket (6) etc. and the computer motherboard mutually telecommunication connect, control each direct supply that formula manipulation of switches formula power module (1) is exported by the power supply of being located on the computing machine.

The aspect is set, as long as power supply device injected and be fixed in the computer main frame panel slot, and use appropriate cable with the line mutually of the USB interface on USB input socket (6) and the computer motherboard, just can bring into use power supply device to power to the USB external unit.

So just realized the purpose of this utility model.

Power supply device of the present utility model, be arranged in the expansion card slot on the computer motherboard, can provide and enough deal with the required direct supply of most USB external unit, be provided with power supply device of the present utility model after, can save the power supply unit that these USB external units carry.

[description of drawings]

Fig. 1 and Fig. 2 are the three-dimensional schematic illustration of imageization of first embodiment of power supply device of the present utility model;

Fig. 3 and Fig. 4 are the three-dimensional schematic illustration of imageization of second embodiment of power supply device of the present utility model;

Fig. 5 and Fig. 6 are the three-dimensional schematic illustration of the imageization of socket panel device (11);

Fig. 7 is the schematic illustration of the front view of socket panel device (11);

Fig. 8 is the three-dimensional schematic illustration of the imageization of SUPER-USB socket (A2);

Fig. 9 is the A-A section cross sectional illustration figure of the SUPER-USB socket (A2) of Fig. 8;

Figure 10 is the three-dimensional schematic illustration of the imageization of SUPER-USB socket (A4);

Figure 11 is the B-B section cross sectional illustration figure of the SUPER-USB socket (A4) of Figure 10;

Figure 12 is the three-dimensional schematic illustration of the imageization of SUPER-USB socket (A6);

Figure 13 is the C-C section cross sectional illustration figure of the SUPER-USB socket (A6) of Figure 12.

Among the figure, the device that identical digitized representation is identical, parts device, accompanying drawing are schematically, in order to formation of the present utility model and principal character to be described.

[embodiment]

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Consult Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 are the three-dimensional schematic illustration of imageization of first embodiment of power supply device of the present utility model, and the power supply device shown in Fig. 1 and Fig. 2 is provided with switching type power supply module (1), expansion board bracket (2) and expansion board wiring board (3), AC in connector (4), power switch (5), USB input socket (6), SUPER-USB socket (A2), SUPER-USB socket (A6); Wherein, expansion board bracket (2) is used for fixing power supply device with expansion board wiring board (3), make power supply device can be inserted into and be fixed in the computer main frame panel slot, expansion board bracket (2) is the computing machine expansion board bracket of a dibit, expansion board bracket (2) is provided with AC in connector (4), power switch (5), SUPER-USB socket (A2), SUPER-USB socket (A6), and expansion board wiring board (3) is provided with switching type power supply module (1), USB input socket (6);

And,

Switching type power supply module (1) is connected with AC in connector (4), power switch (5), USB input socket (6), SUPER-USB socket (A2), SUPER-USB socket circuitry phases such as (A6), switching type power supply module (1) will be converted to a plurality of different direct supplys from the AC power of AC in connector (4) input, and by outwards output such as SUPER-USB socket (A2), SUPER-USB socket (A6);

Power switch (5) is the switch that is used for the AC power input of power supply device;

USB input socket (6) be used for computer motherboard on USB interface mutually telecommunication connect.

Continue to consult Fig. 1 and Fig. 2, the AC in connector shown in Fig. 1 and Fig. 2 (4) is the socket that meets IEC 60320 C13 specifications.In addition, be provided with usb hub in the switching type power supply module (1) of power supply device of the present utility model, usb hub is connected with USB input socket (6) and SUPER-USB socket (A2), SUPER-USB socket circuitry phases such as (A6) respectively, and the USB interface on the computer motherboard that USB input socket (6) is connected by usb hub extends to SUPER-USB socket (A2), the SUPER-USB socket (A6) on the power supply device.

Continue to consult Fig. 1 and Fig. 2, also be provided with the usb circuit that is connected with the usb hub circuitry phase in Fig. 1 and the switching type power supply module (1) shown in Fig. 2, switching type power supply module (1) by the USB interface on this usb circuit, usb hub, USB input socket (6) etc. and the computer motherboard mutually telecommunication connect, control each direct supply that formula manipulation of switches formula power module (1) is exported by the power supply of being located on the computing machine.In addition, described power supply control formula can be according to different USB external units, and the suitable direct supply of manipulation of switches formula power module (1) output is given this USB external unit, need not the user and takes a lot of trouble.

Consult Fig. 3 and Fig. 4, Fig. 3 and Fig. 4 are the three-dimensional schematic illustration of imageization of second embodiment of power supply device of the present utility model, increased AC power output cable (7) among second embodiment, by this AC power output cable (7), just the original AC power cable that uses of computing machine can be inserted into the AC in connector (4) of power supply device of the present utility model, then the plug (701) on the AC power output cable (7) is inserted on the original power supply unit of computing machine, so only need the original AC power cable that uses of a computing machine, just can be simultaneously to computing machine be that power supply device of the present utility model is supplied AC power.Continue to consult Fig. 3 and Fig. 4, power supply device shown in Fig. 3 and Fig. 4 also includes AC power output cable (7), a wherein end of AC power output cable (7) is connected with AC in connector (4) circuitry phase, the other end of AC power output cable (7) is provided with a plug (701) that meets IEC 60320 C14 specifications, and power supply device will be exported to computing machine from the AC power of AC in connector (4) input by AC power output cable (7) and use.

Consult Fig. 5 to Fig. 7, Fig. 5 and Fig. 6 are the three-dimensional schematic illustration of the imageization of socket panel device (11), Fig. 7 is the schematic illustration of the front view of socket panel device (11), among second embodiment of the present utility model, except that having increased AC power output cable (7), also increased socket panel device (11), the direct supply of switching type power supply module (1) output and the USB interface of usb hub can be extended on this socket panel device (11), this socket panel device (11) can be installed on the position of the original 5.25 inches hard disk drives of desk-top computer, the direct supply that can conveniently use power supply unit of the present utility model to provide in the computing machine front.

Continue to consult Fig. 3 to Fig. 7, power supply device shown in Fig. 3 to Fig. 7 also includes socket panel device (11), panel supply socket (8), panel USB socket communication (9), the panel cable that is used for gang socket face equipment (11) and panel supply socket (8) and panel USB socket communication (9), wherein, panel supply socket (8) and panel USB socket communication (9) are positioned on the expansion board wiring board (3), panel supply socket (8) is connected with switching type power supply module (1) circuitry phase with panel USB socket communication (9), and switching type power supply module (1) is connected with last each the socket circuitry phase of socket panel device (11) with panel USB socket communication (9) and panel cable by panel supply socket (8).

Continue to consult Fig. 3 to Fig. 7, the front of the socket panel device (11) shown in Fig. 3 to Fig. 7 is provided with DC power supply switch (1104), a plurality of socket, a plurality of memory card slot, and the back side of socket panel device (11) is provided with panel supply socket (1101), panel USB socket communication (1102), sound signal socket (1103);

Wherein,

Described socket comprises a SUPER-USB socket (A6), three SUPER-USB sockets (A4), two USB socket (A0), three cellular phone power supplies sockets (1105), two camera power supply sockets (1106), an earphone socket (1107), a microphone socket (1108);

Described memory card slot comprises a MS card slot (1109), a CF card slot (11011), a SD/MMC card slot (11012), an xD image card slot (11013), a T-F card slot (11014);

And,

Described panel supply socket (1101) is provided with many group direct supply pins, and each is organized the direct supply pin and is connected with the pin circuitry phase of the load power source terminal of the load power source terminal of each cellular phone power supplies socket (1105), each camera power supply socket (1106), SUPER-USB socket (A6), each SUPER-USB socket (A4), each USB socket (A0) etc. respectively;

Described panel USB socket communication (1102) is provided with many group usb signal pins, and each is organized the usb signal pin and is connected with usb signal pin circuitry phase on DC power supply switch (1104), USB memory card controller, SUPER-USB socket (A6), each SUPER-USB socket (A4), each USB socket (A0) respectively;

Described sound signal socket (1103) is provided with two groups of sound signal pins, wherein one group of sound signal pin is connected with each pin circuitry phase on the earphone socket (1107), and another group sound signal pin is connected with each pin circuitry phase on the microphone socket (1108);

Described DC power supply switch (1104) is the switch that is used for each direct supply output of gauge tap formula power module (1);

Described cellular phone power supplies socket (1105) is used to export the 4.2V direct supply;

Described camera power supply socket (1106) is used to export the 8.4V direct supply;

Also be provided with USB memory card controller in the described socket panel device (11), on USB memory card controller and the panel USB socket communication (1102) wherein one group of usb signal pin circuitry phase be connected, and be provided with a plurality of different memory card interface circuit, MS card slot (1109), CF card slot (11011), SD/MMC card slot (11012), xD image card slot (11013), T-F card slot (11014) respectively with USB memory card controller on corresponding memory card interface circuit circuitry phase connect.

In a second embodiment, MS card slot (1109) be exactly the slot of Memory Stick memory card, slot, SD/MMC card slot (11012) that CF card slot (11011) is exactly Compact Flash memory card be exactly the slot of memory cards such as Secure Digital Card/Multi Media Card, slot, the T-F card slot (11014) that xD image card slot (11013) is exactly xD-Picture Card be exactly the slot of Trans Flash memory card.

Consult Fig. 8 to Figure 13, Fig. 8 is the three-dimensional schematic illustration of the imageization of SUPER-USB socket (A2), Fig. 9 is the A-A section cross sectional illustration figure of the SUPER-USB socket (A2) of Fig. 8, Figure 10 is the three-dimensional schematic illustration of the imageization of SUPER-USB socket (A4), Figure 11 is the B-B section cross sectional illustration figure of the SUPER-USB socket (A4) of Figure 10, Figure 12 is the three-dimensional schematic illustration of the imageization of SUPER-USB socket (A6), Figure 12 is the C-C section cross sectional illustration figure of the SUPER-USB socket (A6) of Figure 13, Fig. 8 is to Super-USB socket (A2 illustrated in fig. 13, A4, A6) compare with standard USB A type socket, the main difference part is, Super-USB socket (A2, A4, A6) increased extra load power source terminal than standard USBA type socket, wherein Super-USB socket (A2) is provided with one group of extra load power source terminal, Super-USB socket (A4) is provided with two groups of extra load power source terminals, Super-USB socket (A6) is provided with three groups of extra load power source terminals, power supply device of the present utility model passes through these load power source terminals to USB external unit output DC source, as long as use the cable of the Super-USB plug that is provided with corresponding Super-USB socket, power supply device of the present utility model is connected with the USB external unit, just can powers to the USB external unit.The utility application of these SUPER-USB plugs and SUPER-USB socket is applied for a patent by inventor's Huang Jinfu of the present utility model with the utility model.In addition, these SUPER-USB sockets are except the load power source terminal that is increased, remaining terminal comprises power supply terminal (S1, S4) and signal terminal (S2, S3) definition is with identical with the pin of the USB A type socket of standard, power supply terminal (S1) is exactly the original pin 1 of USB A type socket (being " VBUS " pin of usb bus), signal terminal (S2) is exactly the original pin 2 of USB A type socket (being " D-" pin of usb bus), signal terminal (S3) is exactly the original pin 3 of USBA type socket (being " D+ " pin of usb bus), power supply terminal (S4) is exactly the original pin 4 of USB A type socket (being " GND " pin of usb bus), their definition and function are identical with the pin of the USB A type socket of standard, below will continue simply to describe the principal character of these SUPER-USB sockets.

Continue to consult Fig. 8 and Fig. 9, Super-USB socket (A2) shown in the figure is provided with insulating base (B1), in insulating base (B1), be provided with the tubular metal shell (C1) in round hole (H1) and four directions, in described metal shell (C1), be provided with insulating base (B2), leave the space with the inwall of metal shell (C1) respectively around the insulating base (B2), the bottom of insulating base (B2) is provided with a plurality of conducting terminals, comprise power supply terminal (S1, S4), signal terminal (S2, S3), and, in described round hole (H1), be provided with the load power source terminal (S6) and the columniform load power source terminal (S5) of tubular, wherein, load power source terminal (S5) is positioned at the central authorities of round hole (H1), leave the space at the inwall of load power source terminal (S6) and the periphery of load power source terminal (S5) all around, and, metal shell (C1) and its content and load power source terminal (S5, S6) phase electrical isolation, load power source terminal (S5, S6) and insulating base (B1, B2) and metal shell (C1) be fixed on the preposition place by insulating material, with guarantee described Super-USB socket (A2) can and the pairing plug peg graft mutually.

Continue to consult Figure 10 and Figure 11, Super-USB socket (A4) shown in the figure is provided with insulating base (B3), in insulating base (B3), be provided with round hole (H2, H3) and the tubular metal shell (C1) in four directions, in described metal shell (C1), be provided with insulating base (B2), leave the space with the inwall of described metal shell (C1) respectively around the insulating base (B2), the bottom of insulating base (B2) is provided with a plurality of conducting terminals, comprise power supply terminal (S1, S4), signal terminal (S2, S3), and, in described round hole (H2), be provided with the load power source terminal (S6) and the columniform load power source terminal (S5) of tubular, wherein, load power source terminal (S5) is positioned at the central authorities of round hole (H2), leave the space at the inwall of load power source terminal (S6) and the periphery of load power source terminal (S5) all around, and, in described round hole (H3), be provided with the load power source terminal (S8) and the columniform load power source terminal (S7) of tubular, wherein, load power source terminal (S7) is positioned at the central authorities of round hole (H3), leave the space at the inwall of load power source terminal (S8) and the periphery of load power source terminal (S7) all around, and, metal shell (C1) and its content and load power source terminal (S5, S6, S7, S8) phase electrical isolation, load power source terminal (S5, S6, S7, S8) and insulating base (B2, B3) and metal shell (C1) be fixed on the preposition place by insulating material, with guarantee described Super-USB socket (A4) can and the pairing plug peg graft mutually.

Continue to consult Figure 12 and Figure 13, Super-USB socket (A6) shown in the figure is provided with insulating base (B4), hole, the side of being provided with (H4 in insulating base (B4), H5, H6, H7, H8, H9) and the tubular metal shell (C1) in four directions, wherein, described side hole (H4, H7) be positioned at the top of metal shell (C1), described side hole (H6, H5) be positioned at the below of metal shell (C1), described side hole (H8) is positioned at the left of metal shell (C1), described side hole (H9) is positioned at the right-hand of metal shell (C1), and, in described metal shell (C1), be provided with insulating base (B2), leave the space with the inwall of described metal shell (C1) respectively around the insulating base (B2), the bottom of insulating base (B2) is provided with a plurality of conducting terminals, comprises power supply terminal (S1, S4), signal terminal (S2, S3), and, load power source terminal (S5) in described side hole (H4), be provided with, in described side hole (H5), be provided with load power source terminal (S6), in described side hole (H6), be provided with load power source terminal (S7), in described side hole (H7), be provided with load power source terminal (S8), in described side hole (H8), be provided with load power source terminal (S9), in described side hole (H9), be provided with load power source terminal (S10), and, metal shell (C1) and its content and load power source terminal (S5, S6, S7, S8, S9, S10) phase electrical isolation, load power source terminal (S5, S6, S7, S8, S9, S10) and insulating base (B4, B2) and metal shell (C1) be fixed on the preposition place by insulating material, with guarantee described Super-USB socket (A6) can and the pairing plug peg graft mutually.

Below described power supply device of the present utility model in detail, enforcement of the present utility model can make most of USB external unit can omit self-powered supply, and is unified by power supply device power supply of the present utility model, thus escapable cost.

Claims (7)

1. the power supply device of a computing machine expansion board type, be used for desk-top computer, it is characterized in that described power supply device is provided with switching type power supply module (1), expansion board bracket (2) and expansion board wiring board (3), AC in connector (4), power switch (5), USB input socket (6), SUPER-USB socket (A2), SUPER-USB socket (A6); Wherein, expansion board bracket (2) is used for fixing power supply device with expansion board wiring board (3), make power supply device can be inserted into and be fixed in the computer main frame panel slot, expansion board bracket (2) is the computing machine expansion board bracket of a dibit, expansion board bracket (2) is provided with AC in connector (4), power switch (5), SUPER-USB socket (A2), SUPER-USB socket (A6), and expansion board wiring board (3) is provided with switching type power supply module (1), USB input socket (6);

And,

Switching type power supply module (1) is connected with AC in connector (4), power switch (5), USB input socket (6), SUPER-USB socket (A2), SUPER-USB socket circuitry phases such as (A6), switching type power supply module (1) will be converted to a plurality of different direct supplys from the AC power of AC in connector (4) input, and by outwards output such as SUPER-USB socket (A2), SUPER-USB socket (A6);

Power switch (5) is the switch that is used for the AC power input of power supply device;

USB input socket (6) be used for computer motherboard on USB interface mutually telecommunication connect.

2. the power supply device of computing machine expansion board type as claimed in claim 1 is characterized in that, described AC in connector (4) is the socket that meets IEC 60320 C13 specifications.

3. the power supply device of computing machine expansion board type as claimed in claim 1, it is characterized in that, be provided with usb hub in the described switching type power supply module (1), usb hub is connected with USB input socket (6) and SUPER-USB socket (A2), SUPER-USB socket circuitry phases such as (A6) respectively, and the USB interface on the computer motherboard that USB input socket (6) is connected by usb hub extends to SUPER-USB socket (A2), the SUPER-USB socket (A6) on the power supply device.

4. the power supply device of computing machine expansion board type as claimed in claim 3, it is characterized in that, be provided with the usb circuit that is connected with the usb hub circuitry phase in the described switching type power supply module (1), switching type power supply module (1) by the USB interface on this usb circuit, usb hub, USB input socket (6) etc. and the computer motherboard mutually telecommunication connect, control each direct supply that formula manipulation of switches formula power module (1) is exported by the power supply of being located on the computing machine.

5. the power supply device of computing machine expansion board type as claimed in claim 1, it is characterized in that, described power supply device also includes AC power output cable (7), a wherein end of AC power output cable (7) is connected with AC in connector (4) circuitry phase, the other end of AC power output cable (7) is provided with a plug (701) that meets IEC 60320 C14 specifications, and power supply device will be exported to computing machine from the AC power of AC in connector (4) input by AC power output cable (7) and use.

6. as claim 1 or 2 or the power supply device of 3 or 4 or 5 described computing machine expansion board types, it is characterized in that, described power supply device also includes socket panel device (11), panel supply socket (8), panel USB socket communication (9), the panel cable that is used for gang socket face equipment (11) and panel supply socket (8) and panel USB socket communication (9), wherein, panel supply socket (8) and panel USB socket communication (9) are positioned on the expansion board wiring board (3), panel supply socket (8) is connected with switching type power supply module (1) circuitry phase with panel USB socket communication (9), and switching type power supply module (1) is connected with last each the socket circuitry phase of socket panel device (11) with panel USB socket communication (9) and panel cable by panel supply socket (8).

7. the power supply device of computing machine expansion board type as claimed in claim 6, it is characterized in that, the front of described socket panel device (11) is provided with DC power supply switch (1104), a plurality of socket, a plurality of memory card slot, and the back side of socket panel device (11) is provided with panel supply socket (1101), panel USB socket communication (1102), sound signal socket (1103); Wherein,

Described socket comprises a SUPER-USB socket (A6), three SUPER-USB sockets (A4), two USB socket (A0), three cellular phone power supplies sockets (1105), two camera power supply sockets (1106), an earphone socket (1107), a microphone socket (1108);

Described memory card slot comprises a MS card slot (1109), a CF card slot (11011), a SD/MMC card slot (11012), an xD image card slot (11013), a T-F card slot (11014);

And,

Described panel supply socket (1101) is provided with many group direct supply pins, and each is organized the direct supply pin and is connected with the pin circuitry phase of the load power source terminal of the load power source terminal of each cellular phone power supplies socket (1105), each camera power supply socket (1106), SUPER-USB socket (A6), each SUPER-USB socket (A4), each USB socket (A0) etc. respectively;

Described panel USB socket communication (1102) is provided with many group usb signal pins, and each is organized the usb signal pin and is connected with usb signal pin circuitry phase on DC power supply switch (1104), USB memory card controller, SUPER-USB socket (A6), each SUPER-USB socket (A4), each USB socket (A0) respectively;

Described sound signal socket (1103) is provided with two groups of sound signal pins, wherein one group of sound signal pin is connected with each pin circuitry phase on the earphone socket (1107), and another group sound signal pin is connected with each pin circuitry phase on the microphone socket (1108);

Described DC power supply switch (1104) is the switch that is used for each direct supply output of gauge tap formula power module (1);

Described cellular phone power supplies socket (1105) is used to export the 4.2V direct supply;

Described camera power supply socket (1106) is used to export the 8.4V direct supply;

Also be provided with USB memory card controller in the described socket panel device (11), on USB memory card controller and the panel USB socket communication (1102) wherein one group of usb signal pin circuitry phase be connected, and be provided with a plurality of different memory card interface circuit, MS card slot (1109), CF card slot (11011), SD/MMC card slot (11012), xD image card slot (11013), T-F card slot (11014) respectively with USB memory card controller on corresponding memory card interface circuit circuitry phase connect.

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