Electronic apparatus

• US 20010036809A1
• Filed: 03/15/2001
• Published: 11/01/2001
• Est. Priority Date: 03/17/2000
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Yamaguchi, Kazuhiro, Takeshima, Kuriko
• Granted Patent: US 6,883,054 B2
• Time in Patent Office: Days
• US Class Current: 455/3.02
• CPC Class Codes: H04B 1/1615 Switching on; Switching off, e.g. remotely battery saving circuits associated with selective call operation H04W52/00; details of power consumption reduction in a PLL, H03L7/0802, H03L7/14, H03L2207/08, H03L2207/18; muting amplifiers by gain control see H03G3/34
• CPC Class Codes: H04B 1/3816 Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
• CPC Class Codes: H04H 40/90 specially adapted for satellite broadcast receiving
• CPC Class Codes: H04W 52/0241 where no transmission is received, e.g. out of range of the transmitter
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

An electronic apparatus according to the present invention comprises a main unit which stops operation when receiving an apparatus control signal S1 specifying a standby state while in a normal state, and then outputs an operating state signal S2 indicating that the main unit is in the standby state; and begins operation when receiving an apparatus control signal S1 for selecting the normal state while in the standby state, and then outputs an operating state signal S2 indicating that the main unit is in the normal state; and a sub-unit which stops operation when, while operating, receiving an IC card detection signal S3 indicating that the reading of an IC card 4 is possible and also receiving the operating state signal S2 indicating that the main unit is in the standby state from the main unit, and brings part of its functional blocks into operation when, while not operating, receiving the operating state signal S2 indicating that the main unit is in the normal state from the main unit.

Claims

1. A broadcasting receiver having a standby state and a normal state of power supply, comprising:

a slot for inserting a storage medium on which subscription information for receiving a broadcast is recorded;

a detecting means for detecting presence or absence of said storage medium inserted in said slot; and

a control means for controlling power supply to a part of a circuit of said broadcasting receiver;

wherein when said broadcasting receiver is in said standby state and said detecting means does not detect insertion of said storage medium, said control means stops power supply to the part of the circuit of said broadcasting receiver.

2. A broadcasting receiver as claimed in

claim 1

,

wherein said control means which has stopped power supply to the part of the circuit of said broadcasting receiver resumes power supply to the part of the circuit of said broadcasting receiver when said broadcasting receiver is in said normal state and said detecting means detects insertion of said storage medium.

3. A broadcasting receiver having a standby state and a normal state of power supply, comprising:

a slot for inserting a storage medium on which subscription information for receiving a broadcast is recorded;

a detecting means for detecting presence or absence of said storage medium inserted in said slot;

a selecting means for selecting either supply or non-supply of power to an antenna of said broadcasting receiver; and

a control means for controlling power supply to the antenna of said broadcasting receiver;

wherein when said selecting means selects supply of power to said antenna, said broadcasting receiver is in said standby state, and said detecting means does not detect insertion of said storage medium, said control means stops power supply to the antenna of said broadcasting receiver.

4. A broadcasting receiver as claimed in

claim 3

,

wherein said control means which has stopped power supply to the antenna of said broadcasting receiver resumes power supply to the antenna of said broadcasting receiver when said selecting means selects supply of power to said antenna, said broadcasting receiver is in said normal state, and said detecting means detects insertion of said storage medium.

5. An electronic apparatus whose operating state is controlled according to supply of external information, comprising:

a main unit which stops operation when receiving a first signal for selecting a standby state for stopping normal operation while in a normal state for performing the normal operation, and then outputs a second signal indicating that the main unit is in the standby state; and

begins operation when receiving a first signal for selecting the normal state while in the standby state, and then outputs a second signal indicating that the main unit is in the normal state; and

a sub-unit which stops operation when, while operating, receiving a third signal indicating that said external information is not supplied and receiving the second signal indicating that the main unit is in the standby state from said main unit.

6. An electronic apparatus as claimed in

claim 5

, further including a storage medium detection circuit for outputting to said sub-unit a third signal indicating that the external information is supplied when information stored on a storage medium storing said external information can be read, and outputting to said sub-unit the third signal indicating that the external information is not supplied when information stored on said storage medium cannot be read.

7. An electronic apparatus as claimed in

claim 5

,

wherein said sub-unit includes a plurality of functional blocks, part of the functional blocks being brought into operation when, while not operating, receiving a third signal indicating that said external information is supplied.

8. An electronic apparatus as claimed in

claim 6

,

wherein said sub-unit includes a plurality of functional blocks, part of the functional blocks being brought into operation when, while not operating, receiving the third signal indicating that said external information is supplied.

9. An electronic apparatus as claimed in

claim 5

,

wherein said sub-unit is brought into operation when, while not operating, receiving a third signal indicating that said external information is supplied and receiving the second signal indicating that the main unit is in the normal state from said main unit.

10. An electronic apparatus as claimed in

claim 6

,

wherein said sub-unit is brought into operation when, while not operating, receiving the third signal indicating that said external information is supplied and receiving the second signal indicating that the main unit is in the normal state from said main unit.

11. An electronic apparatus as claimed in

claim 5

,

wherein said sub-unit includes a plurality of functional blocks, part of the functional blocks being brought into operation when, while not operating, receiving a third signal indicating that said external information is supplied, and all of the functional blocks being brought into operation when, while not operating, receiving the third signal indicating that said external information is supplied and also receiving the second signal indicating that the main unit is in the normal state from said main unit.

12. An electronic apparatus as claimed in

claim 6

,

wherein said sub-unit includes a plurality of functional blocks, part of the functional blocks being brought into operation when, while not operating, receiving the third signal indicating that said external information is supplied, and all of the functional blocks being brought into operation when, while not operating, receiving the third signal indicating that said external information is supplied and also receiving the second signal indicating that the main unit is in the normal state from said main unit.

13. An electronic apparatus including a satellite broadcasting receiver, whose operating state is controlled according to supply of user information on a broadcast receiving license, comprising:

a main unit which stops operation when receiving a first signal for selecting a standby state for stopping normal operation while in a normal state for performing the normal operation, and then outputs a second signal indicating that the main unit is in the standby state; and

begins operation when receiving a first signal for selecting the normal state while in the standby state, and then outputs a second signal indicating that the main unit is in the normal state; and

a sub-unit which stops operation when, while operating, receiving a third signal indicating that said user information is not supplied and receiving the second signal indicating that the main unit is in the standby state from said main unit.

14. An electronic apparatus as claimed in

claim 13

, further including a storage medium detection circuit for outputting to said sub-unit a third signal indicating that the user information is supplied when information stored on a storage medium storing said user information can be read, and outputting to said sub-unit the third signal indicating that the user information is not supplied when information stored on said storage medium cannot be read.

15. An electronic apparatus as claimed in

claim 13

,

wherein said sub-unit includes a user information processing circuit for processing said user information, said user information processing circuit being brought into operation when, while not operating, receiving said third signal indicating that the user information is supplied.

16. An electronic apparatus as claimed in

claim 14

,

wherein said sub-unit includes a user information processing circuit for processing said user information, said user information processing circuit being brought into operation when, while not operating, receiving said third signal indicating that the user information is supplied.

17. An electronic apparatus as claimed in

claim 13

,

wherein said sub-unit includes a received signal processing circuit which has a receiving means for receiving a signal when supplied with a predetermined voltage, and supplies voltage to said receiving means when receiving a fourth signal for selecting supply of voltage, stops supply of voltage to said receiving means when receiving a fourth signal for selecting non-supply of voltage, and when said receiving means receives a signal, receives and processes the received signal, said received signal processing circuit being brought into operation when, while not operating, receiving said third signal indicating that said user information is supplied and receiving said second signal indicating that the main unit is in the normal state.

18. An electronic apparatus as claimed in

claim 14

,

wherein said sub-unit includes a received signal processing circuit which has a receiving means for receiving a signal when supplied with a predetermined voltage, and supplies voltage to said receiving means when receiving a fourth signal for selecting supply of voltage, stops supply of voltage to said receiving means when receiving a fourth signal for selecting non-supply of voltage, and when said receiving means receives a signal, receives and processes the received signal, said received signal processing circuit being brought into operation when, while not operating, receiving said third signal indicating that said user information is supplied and receiving said second signal indicating that the main unit is in the normal state.

19. An electronic apparatus as claimed in

claim 13

,

wherein said sub-unit includes a user information processing circuit for processing said user information;

and a received signal processing circuit which has a receiving means for receiving a signal when supplied with a predetermined voltage, and supplies voltage to said receiving means when receiving a fourth signal for selecting supply of voltage, stops supply of voltage to said receiving means when receiving a fourth signal for selecting non-supply of voltage, and when said receiving means receives a signal, receives and processes the received signal, said user information processing circuit being brought into operation when, while not operating, receiving said third signal indicating that the user information is supplied, and said received signal processing circuit being brought into operation when, while not operating, receiving said third signal indicating that said user information is supplied and also receiving said second signal indicating that the main unit is in the normal state.

20. An electronic apparatus as claimed in

claim 14

,

wherein said sub-unit includes a user information processing circuit for processing said user information;

and a received signal processing circuit which has a receiving means for receiving a signal when supplied with a predetermined voltage, and supplies voltage to said receiving means when receiving a fourth signal for selecting supply of voltage, stops supply of voltage to said receiving means when receiving a fourth signal for selecting non-supply of voltage, and when said receiving means receives a signal, receives and processes the received signal, said user information processing circuit being brought into operation when, while not operating, receiving said third signal indicating that the user information is supplied, and said received signal processing circuit being brought into operation when, while not operating, receiving said third signal indicating that said user information is supplied and also receiving said second signal indicating that the main unit is in the normal state.