Electronic equipment and image forming apparatus

• US 8,922,383 B2
• Filed: 06/16/2011
• Issued: 12/30/2014
• Est. Priority Date: 06/28/2010
• Status: Expired due to Fees

• Current Assignee: Ricoh Company Limited
• Original Assignee: Ricoh Company Limited
• Inventors: Shirai, Takaaki
• Primary Examiner(s): Lau, Hoi
• Application Number:
  US13/161,922
• Publication Number:
  US 20110317457A1
• Time in Patent Office: 1,293 Days
• Field of Search: 358/1.14, 358/1.15, 358/1.13, 358/468, 358/474, 358/471, 358/401, 358/501, 358/296, 713/300, 713/310, 713/320, 361/728, 361/679.02, 361/600, 361/601, 361/792, 361/735, 340/635, 340/693.1, 340/7.32
• US Class Current: 340/635
• CPC Class Codes: H04B 3/46 Monitoring; Testing
• CPC Class Codes: H04B 3/54 Systems for transmission via power distribution lines

Abstract

Electronic equipment includes: a first substrate; a second substrate; and a harness that connects the first substrate and the second substrate with other. The first substrate includes: a conversion unit that outputs converted power converted from supply of power supplied by a power source, and a control unit that outputs a control signal used to control output of the supply of power to the second substrate. The second substrate includes: a semiconductor circuit operated by the supply of power and the converted power, and a connector that outputs the control signal to the power source. The harness includes a signal line of the control signal and a power line through which the converted power is supplied from the first substrate to the second substrate.

Claims

1. An electronic equipment comprising:

a first substrate;

a second substrate;

a harness that connects the first and second substrates to each other; and

a power supply unit that supplies a first power to the first substrate and the second substrate,

wherein the first substrate includes;

a conversion unit that converts the first power supplied from the power supply unit into a second power, and outputs the second power to the second substrate, and

a control unit that outputs a control signal to the power supply unit through the second substrate, the control signal being used to control output of the first power supplied from the power supply unit to the first substrate,

wherein the second substrate includes;

a semiconductor circuit operated by the first power supplied from the power supply unit and the second power supplied from the first substrate, and

a connector that outputs the control signal to the power supply unit, and

wherein the harness includes a signal line of the control signal and a power line through which the second power is supplied from the first substrate to the second substrate.

2. The electronic equipment according to claim 1,

wherein the first substrate further includes a notification unit notifying the fact that the second power is not supplied to the semiconductor circuit when detecting that the second power is not supplied to the semiconductor circuit.

3. The electronic equipment according to claim 2,

wherein the notification unit notifies the semiconductor circuit of the fact that the second power is not supplied to the semiconductor circuit by turning on a light source, when detecting that the second power is not supplied to the semiconductor circuit.

4. The electronic equipment according to claim 2,

wherein the notification unit notifies the semiconductor circuit of the fact that the second power is not supplied to the semiconductor circuit by ringing an alarm when detecting that the second power is not supplied to the semiconductor circuit.

5. The electronic equipment according to claim 2,

wherein the notification unit displays a message indicating that the second power is not supplied to the semiconductor circuit on a display unit, when detecting that the second power is not supplied to the semiconductor circuit.

6. The electronic equipment according to claim 2,

wherein the notification unit transmits a message, which indicates that the second power is not supplied to the semiconductor circuit, to a network, when detecting that no power is supplied to the semiconductor circuit.

7. An image forming apparatus comprising:

a first substrate;

a second substrate;

a harness connecting the first substrate and the second substrate with each other, and

wherein the first substrate includes;

a conversion unit that converts the first power supplied from the power supply unit into a second power, and outputs the second power to the second substrate, and

a control unit that outputs a control signal to the power supply unit through the second substrate, the control signal being used to control output of the first power supplied from the power supply unit to the first substrate,

wherein the second substrate includes

a semiconductor circuit operated by the first power supplied from the power supply unit and the second power supplied from the first substrate, and

a connector that outputs the control signal to the power supply unit, and

wherein the harness includes a signal line of the control signal and a power line through which the second power is supplied from the first substrate to the second substrate.