Electronic equipment including a plurality of independently powered apparatus

• US 5,293,526 A
• Filed: 07/01/1992
• Issued: 03/08/1994
• Est. Priority Date: 10/25/1985
• Status: Expired due to Term

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Takahashi, Kenji
• Primary Examiner(s): Coles, Sr., Edward L.
• Assistant Examiner(s): Jackson, Jill
• Application Number:
  US07/908,863
• Time in Patent Office: 615 Days
• Field of Search: 340/636, 340/669-664, 340/635, 340/657, 340/568, 340/572, 340/571, 340/506, 340/693, 340/509, 340/825.06, 340/825.17, 340/825.36, 340/505, 340/507, 340/50 8, 354/484, 354/468, 307/18, 307/43, 307/25, 307/26, 307/85, 307/86, 361/88, 364/200, 364/655, 364/642, 364/647, 364/900, 364/447, 364/460, 364/413.01, 364/413.02, 364/413.03, 324/500, 324/510, 324/511, 324/537, 324/555, 379/106, 379/107, 379/92
• US Class Current: 340/636.15
• CPC Class Codes: G01R 31/40 Testing power supplies testing photovoltaic devices H02S50/10
• CPC Class Codes: G08B 21/00 Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for

Abstract

Electronic equipment comprises a plurality of apparatus each of which is driven by respective power source, voltage detector provided to each of the apparatus which detects the voltage of the power source and a display which indicates, when the voltage drop is detected by the voltage detector, at which apparatus of the plurality of apparatus the drop of source voltage has occurred.

Claims

1. Electronic equipment comprising:

a plural number of independent apparatuses each having a different function from each other, each of which includes at least a signal line for transmitting and receiving information, a battery power source provided to each of said apparatuses, detecting means for detecting trouble of said power source and outputting means for outputting a detection signal as soon as trouble is detected by said detecting means; and

an information processing apparatus connected to said plural number of apparatuses, said information processing apparatus adapted to transmit through said signal lines said information to and to receive through said signal lines said information sent from any one of said plural number of apparatuses, said information processing apparatus including display means for displaying error information, and means for providing said error information to said display means to indicate that trouble has occurred with said power source of any one of said plural number of independent apparatuses, said information processing apparatus, in response to the reception of said detection signal, displaying said error information on said display means through said means for providing said error information.

2. Electronic equipment according to claim 1, wherein at least one of the plural number of apparatus includes external memory means.

3. Electronic equipment according to claim 1, further comprising a connector for connecting the plural number of apparatuses.

4. Electronic equipment according to claim 1 further comprising memory means for storing character data to be displayed on said display means.

5. Electronic equipment according to claim 1, wherein said display means is an LED.

6. Electronic equipment as set forth in claim 1, further comprising a camera, wherein said camera is equipped with said electronic equipment.

7. Electronic equipment connectable to a plural number of apparatuses comprising:

signal receiving means connected to the plural number of apparatuses for receiving through interrupt signal lines a signal set from any of the plural number of apparatuses indicating that trouble has occurred;

transmission means responsive to the signal received from said signal receiving means for transmitting an interrupt signal; and

processing means connected to the plural number of apparatuses, having a first port for transmitting through data signal lines information to or for receiving through said data signal lines information sent from any one of the plural number of apparatuses, said processing means being connected to said transmission means and having a second port for receiving through said interrupt signal lines the trouble signal received by said transmission means, said processing means generating a signal indicating at which apparatus the trouble has occurred in response to the interrupt signal transmitted by said transmission means.

8. Electronic equipment as set forth in claim 7, further comprising a camera, wherein said camera is equipped with said electronic equipment.

9. An information processing system comprising:

independent apparatus which includes at least one data signal line for transmitting and receiving information, a battery power source provided to said apparatus, detection means for detecting trouble with said power source, and outputting means for outputting a detecting signal through an interrupt signal line as soon as trouble is detected by said detection means; and

an information processing apparatus connected to said independent apparatus, said information processing apparatus adapted to transmit through said at least one data signal line said information to and to receive through said at least one data signal line said information sent from said independent apparatus, said information processing apparatus having a central processing unit having a first port for receiving the information through said at least one data signal line and a second port for receiving the detection signal through said interrupt signal line, said information processing apparatus processing said detection signal received through said second port as an interrupt signal.

10. An information processing system as set forth in claim 9, further comprising a camera equipped with said information processing system.