Composite connector and electronic apparatus thereof

• US 7,722,407 B2
• Filed: 03/04/2009
• Issued: 05/25/2010
• Est. Priority Date: 03/05/2008
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Momose, Hideaki
• Primary Examiner(s): Zarroli; Michael C
• Application Number:
  US12/397,953
• Publication Number:
  US 20090227147A1
• Time in Patent Office: 447 Days
• Field of Search: 439/638, 439/108, 439/941
• US Class Current: 439/638
• CPC Class Codes: H01R 12/721 cooperating directly with the edge of the rigid printed circuits
• CPC Class Codes: H01R 13/658 High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse] coaxial coupling devices specially adapted for high frequency H01R24/40; for flat or ribbon cable connectors H01R12/774; for coaxial cable H01R9/05
• CPC Class Codes: H01R 27/00 Coupling parts adapted for co-operation with two or more dissimilar counterparts for dissimilar contact members H01R13/35; supported only by co-operation with a counterpart H01R31/00; with a holder adapted for supporting apparatus to which its counterpart is attached H01R33/90
• CPC Class Codes: H05K 1/0216 Reduction of cross-talk, noise or electromagnetic interference grounding H05K1/0215
• CPC Class Codes: H05K 1/0219 Printed shielding conductors for shielding around or between signal conductors, e.g. coplanar or coaxial printed shielding conductors
• CPC Class Codes: H05K 1/0237 High frequency adaptations H05K1/0216 takes precedence
• CPC Class Codes: H05K 1/0243 Printed circuits associated with mounted high frequency components
• CPC Class Codes: H05K 1/0393 Flexible materials H05K1/038 takes precedence; specific organic compositions are classified in H05K1/0313 and subgroups
• CPC Class Codes: H05K 1/189 characterised by the use of a flexible or folded printed circuit H05K3/326 takes precedence
• CPC Class Codes: H05K 2201/09236 Parallel layout layout of balanced signal pairs H05K1/0245; superposed layout H05K2201/09672
• CPC Class Codes: H05K 2201/093 Layout of power planes, ground planes or power supply conductors, e.g. having special clearance holes therein reduction of cross-talk, noise or interference by patterned shielding planes, ground planes or power planes H05K1/0224
• CPC Class Codes: H05K 2201/09663 Divided layout, i.e. conductors divided in two or more parts branched layout H05K2201/09254

Abstract

An electronic apparatus includes a composite connector including a plurality of digital signal terminals and a plurality of analog signal terminals, the plurality of digital signal terminals including at least a pair of differential signal terminals; and a wiring board on which the plurality of digital signal terminals and the plurality of analog signal terminals are arranged. The plurality of analog signal terminals and the plurality of digital signal terminals are arranged and disposed in line on the wiring board. The plurality of analog signal terminals are not disposed between the pair of differential signal terminals. The plurality of analog signal terminals are disposed between the plurality of digital signal terminals other than the pair of differential signal terminals.

Claims

1. An electronic apparatus comprising:

a composite connector including a plurality of digital signal terminals and a plurality of analog signal terminals, the plurality of digital signal terminals including at least a pair of differential signal terminals; and

a wiring board on which the plurality of digital signal terminals and the plurality of analog signal terminals are arranged,

wherein the plurality of analog signal terminals and the plurality of digital signal terminals are arranged and disposed in a row on the wiring board,

wherein the plurality of analog signal terminals are not disposed between the pair of differential signal terminals, and

wherein the plurality of analog signal terminals are disposed between the plurality of digital signal terminals other than the pair of differential signal terminals.

2. The electronic apparatus according to claim 1, wherein the analog signal terminals of the composite connector include a right sound signal terminal and a left sound signal terminal, and

wherein the digital signal terminals are not disposed between the right sound signal terminal and the left sound signal terminal on the wiring board.

3. The electronic apparatus according to claim 1, wherein the analog signal terminals of the composite connector include a sound signal terminal and an image signal terminal, and

wherein the digital signal terminals are not disposed between the sound signal terminal and the image signal terminal on the wiring board.

4. The electronic apparatus according to claim 1, wherein the analog signal terminals of the composite connector include a sound signal terminal and an image signal terminal,

wherein the digital signal terminals of the composite connector include an ID terminal based on a universal serial bus standard, and

wherein the ID terminal is disposed between the sound signal terminal and the image signal terminal on the wiring board.

5. The electronic apparatus according to claim 1, wherein the digital signal terminals of the composite connector include an ID terminal based on a universal serial bus standard, and

wherein, when the electronic apparatus does not use the ID terminal, the ID terminal does not electrically connected to the wiring board.

6. The electronic apparatus according to claim 1, wherein the analog signal terminals of the composite connector include a plug-insertion detection terminal for detecting insertion or removal of a plug that is inserted into or removed from the composite connector, and

wherein, among the analog signal terminals, the plug-insertion detection terminal is disposed at an outermost side.

7. The electronic apparatus according to claim 6, wherein the analog signal terminals of the composite connector include a ground terminal,

wherein, among the analog signal terminals arranged in a row on the wiring board, the ground terminal is disposed at the outermost side, and

wherein the insertion of the plug is detected by connecting the ground terminal and the plug-insertion detection terminal to each other.

8. The electronic apparatus according to claim 1, wherein the analog signal terminals of the composite connector include an image signal terminal and a ground terminal, and

wherein the digital signal terminals are not disposed between the image signal terminal and the ground terminal on the wiring board.

9. The electronic apparatus according to claim 1, wherein the digital signal terminals of the composite connector include a universal-serial-bus ground terminal and a Vbus terminal based on a universal serial bus standard, and

wherein the Vbus terminal and the universal-serial-bus ground terminal are disposed at respective ends of the plurality of digital signal terminals and the plurality of analog signal terminals.

10. The electronic apparatus according to claim 1, wherein a ground pattern of a digital signal and a ground pattern of an analog signal are separated from each other on the wiring board.

11. The electronic apparatus according to claim 1, wherein patterns, to which the pair of differential signal terminals is connected on the wiring board, are wired to each other without using a via hole.

12. The electronic apparatus according to claim 1, wherein the wiring board is a two-sided wiring board,

wherein the wiring board includes a differential-signal pattern, to which the pair of differential signal terminals is connected, and a ground pattern connected to ground,

wherein the ground pattern is wired to a layer opposite to a layer where the differential signal pattern is wired so as to cover the differential signal pattern, and

wherein the wiring board is disposed so that the ground pattern is positioned at an exterior side of the electronic apparatus.

13. A composite connector mounted to a wiring board, the composite connector comprising:

a plurality of analog signal terminals connected to the wiring board; and

a plurality of digital signal terminals connected to the wiring board, the plurality of digital signal terminals including at least a pair of differential signal terminals,

wherein the plurality of analog signal terminals and the plurality of digital signal terminals are arranged and disposed in a row on the wiring board,

wherein the plurality of analog signal terminals are not disposed between the pair of differential signal terminals, and

wherein the plurality of analog signal terminals are disposed between the plurality of digital signal terminals other than the pair of differential signal terminals.

14. The composite connector according to claim 13, wherein the analog signal terminals of the composite connector include a right sound signal terminal and a left sound signal terminal, and

wherein the digital signal terminals are not disposed between the right sound signal terminal and the left sound signal terminal.

15. The composite connector according to claim 13, wherein the analog signal terminals of the composite connector include a sound signal terminal and an image signal terminal, and

wherein the digital signal terminals are not disposed between the sound signal terminal and the image signal terminal.

16. The composite connector according to claim 13, wherein the analog signal terminals of the composite connector include a sound signal terminal and an image signal terminal,

wherein the digital signal terminals of the composite connector include an ID terminal based on a universal serial bus standard, and

wherein the ID terminal is disposed between the sound signal terminal and the image signal terminal.

17. The composite connector according to claim 13, wherein the analog signal terminals of the composite connector include a plug-insertion detection terminal for detecting insertion or removal of a plug that is inserted into or removed from the composite connector, and

wherein, among the analog signal terminals, the plug-insertion detection terminal is disposed at an outermost side.

18. The composite connector according to claim 17, wherein the analog signal terminals of the composite connector include a ground terminal,

wherein, among the analog signal terminals, the ground terminal is disposed at the outermost side, and

wherein the insertion of the plug is detected by connecting the ground terminal and the plug-insertion detection terminal to each other.

19. The composite connector according to claim 13, wherein the analog signal terminals of the composite connector include an image signal terminal and a ground terminal, and

wherein the digital signal terminals are not disposed between the image signal terminal and the ground terminal on the wiring board.

20. The composite connector according to claim 13, wherein the digital signal terminals of the composite connector include a universal-serial-bus ground terminal and a Vbus terminal based on a universal serial bus standard, and

wherein the Vbus terminal and the universal-serial-bus ground terminal are disposed at respective ends of the plurality of digital signal terminals and the plurality of analog signal terminals.