Optical transmission apparatus to which optical cable is connected
View Patent ↗An optical transmission apparatus includes a wiring board, an electronic device mounted on the wiring board, a connection part that mechanically connects the electronic device and the wiring board to each other in such a manner that the electronic device and the wiring board face each other at a certain distance and electrically connects the electronic device and the wiring board to each other, an optical cable connector that is in contact with the electronic device, and an optical cable connected to the optical cable connector. The optical cable connector has a part that is inserted between the electronic device and the wiring board. A signal is transmitted between the part and the electronic device.
1. An optical transmission apparatus, comprising:
a wiring board;
an electronic device mounted on the wiring board;
a connection part mechanically connecting the electronic device and the wiring board to each other so that the electronic device and the wiring board face each other at a predetermined distance, and electrically connecting the electronic device and the wiring board to each other;
an optical cable connector connected to the electronic device or the connection part; and
an optical cable connected to the optical cable connector,
wherein the optical cable connector includes a first part inserted between the electronic device and the wiring board, and
a signal is transmitted between the first part and the electronic device.
2. The optical transmission apparatus according to claim 1 wherein the first part comprises:
a metal protrusion connected to the electronic device; and
a wiring-board contact surface pressed against the wiring board by the action of an elastic force of the metal protrusion.
3. The optical transmission apparatus according to claim 1 wherein the first part comprises:
electronic-device contact surface pressed against the electronic device by a first spring member; and
a wiring-board contact surface pressed against the wiring board by the first spring member.
4. The optical transmission apparatus according to claim 3 wherein the optical cable connector comprises a signal converting element converting an optical signal transmitted through the optical cable into an electrical signal serving as the signal and vice versa,
the electronic device comprises an electronic-device-side power supply connection part,
the first spring member forms a connector-side power supply connection part which has the electronic-device contact surface,
the electronic-device contact surface is pressed against the electronic-device-side power supply connection part, and
the electronic device supplies electric power to the signal converting element via the electronic-device-side power supply connection part and the connector-side power supply connection part.
5. The optical transmission apparatus according to claim 4 wherein the first part comprises a second spring member forming a connector-side signal connection part,
the connector-side signal connection part is connected to the signal converting element and has a connector-side signal contact surface,
the electronic device comprises an electronic-device-side signal connection part,
the second spring member presses the connector-side signal contact surface against the electronic-device-side signal connection part, and
the electrical signal is transmitted between the connector-side signal connection part and the electronic-device-side signal connection part.
6. The optical transmission apparatus according to claim 4 , wherein the first part comprises a connector-side signal connection part connected to the signal converting element,
electronic device comprises an electronic-device-side signal connection part,
the connector-side signal connection part and the electronic-device-side signal connection part are inductively coupled to each other, and
the electrical signal is transmitted between the connector-side signal connection part and the electronic-device-side signal connection part.
7. The optical transmission apparatus according to claim 4 , wherein the first part comprises a connector-side signal connection part connected to the signal converting element,
the electronic device comprises an electronic-device-side signal connection part,
the connector-side signal connection part and the electronic-device-side signal connection part are capacitively coupled to each other, and
the electrical signal is transmitted between the connector-side signal connection part and the electronic-device-side signal connection part.
8. The optical transmission apparatus according to claim 1 , wherein the signal is an optical signal transmitted through the optical cable, and
the electronic device comprises a signal converting element converting the optical signal into an electrical signal and vice versa.
9. The optical transmission apparatus according to claim 1 , wherein the optical cable connector comprises a second part which has a thickness greater than the distance.
10. The optical transmission apparatus according to claim 1 , wherein the connection part includes:
a plurality of first connecting bodies arranged along a first straight line; and
a plurality of second connecting bodies arranged along a second straight line which is parallel to the first straight line, and
the first part is inserted between the plurality of first connecting bodies and the plurality of second connecting bodies.
11. The optical transmission apparatus according to claim 1 , wherein the optical cable connector is bonded to the wiring board or the electronic device.
12. The optical transmission apparatus according to claim 3 , wherein the signal is an optical signal transmitted through the optical cable, and
the electronic device comprises a signal converting element which converts the optical signal into an electrical signal and vice versa.