Information transmitting method, electronic apparatus, and wireless communication terminal

• US 20050162338A1
• Filed: 01/25/2005
• Published: 07/28/2005
• Est. Priority Date: 01/26/2004
• Status: Abandoned Application

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: Ikeda, Masayuki, Inoguchi, Makoto, Iida, Izumi
• Application Number:
  US11/042,992
• Publication Number:
  US 20050162338A1
• Time in Patent Office: Days
• US Class Current: 345/2.100
• CPC Class Codes: G09G 5/006 Details of the interface to the display terminal specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04
• CPC Class Codes: H04M 1/0206 Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings

Abstract

An electronic apparatus is provided including a wireless communication unit transmitting first category information and a wire communication unit transmitting second category information, and the first and second category information items are transmitted in parallel by the wireless communication unit and the wire communication unit.

Claims

1. An information transmitting method used in an electronic apparatus comprising a wireless communication unit wirelessly transmitting first category information and a wire communication unit transmitting second category information via a wire,

wherein the wireless transmission of the first category information and the wire transmission of the second category information are performed in a communication link.

2. An electronic apparatus comprising:

a wireless communication unit for wirelessly transmitting first category information; and

a wire communication unit for transmitting second category information via a wire,

wherein the wireless transmission of the first category information and the wire transmission of the second category information are performed in a communication link.

7. The electronic apparatus according to claim 2,

wherein the wire communication unit superimposes a signal on a power line to transmit the signal.

8. The electronic apparatus according to claim 2, further comprising:

an electromagnetic wave converting unit for converting the first category information into the electromagnetic wave signal; and

an electromagnetic wave restoring unit for receiving the electromagnetic wave signal to restore the signal to the first category information.

9. The electronic apparatus according to claim 8,

wherein the electromagnetic wave converting unit and the electromagnetic wave restoring unit are driven with a carrier wave generated by the same carrier oscillator.

10. The electronic apparatus according to claim 8,

wherein the electromagnetic wave converting unit performs spectral spread modulation, and the electromagnetic wave restoring unit performs spectral reverse spread modulation, and

wherein synchronization information of the electromagnetic wave converting unit and the electromagnetic wave restoring unit is transmitted via a wire.

11. The electronic apparatus according to claim 8,

wherein the electromagnetic wave converting unit performs modulation to a UWB signal, and the electromagnetic wave restoring unit performs demodulation from the UWB signal, and

wherein synchronization information of the electromagnetic wave converting unit and the electromagnetic wave restoring unit is transmitted via a wire.

19. The electronic apparatus according to claim 2,

wherein the second category information includes at least one of the carrier wave information and the synchronization information concerning the wireless communication of the first category information.

20. The electronic apparatus according to claim 2,

wherein the second category information includes information indicating a receiving state of the first category information and is transmitted from a receiving side of the first category information to a transmitting side thereof.

21. The electronic apparatus according to claim 2,

wherein the first category information includes at least one of image data, text data, and voice data.

22. The electronic apparatus according to claim 2, further comprising:

a storage unit for storing the first category information;

a display body for displaying the first category information;

a display control unit for reading the first category information from the storage unit according to an operating sequence of the display body and for outputting the read information; and

a display body driving unit for driving the display body, based on the first category information read by the display control unit.

23. The electronic apparatus according to claim 2, further comprising:

an image capturing element; and

an image capturing control unit for reading an image signal picked-up by the image capturing element as the first category information and for outputting the signal.

24. The electronic apparatus according to claim 2,

wherein information transmitted between an electronic circuit on an integrated circuit and outside the integrated circuit is wirelessly transmitted as the first category information.

25. The electronic apparatus according to claim 2, further comprising:

a display unit;

a speaker unit; and

a data source unit for generating image data displayed on the display unit and sound data for driving the speaker unit,

wherein the image data and the sound data transmitted between the display unit or the speaker unit and the data source unit are wirelessly transmitted as the first category information.

3. An electronic apparatus comprising:

a wireless communication unit for wirelessly transmitting first category information; and

a wire communication unit for transmitting second category information used for at least one of controlling and processing the first category information via a wire.

4. An electronic apparatus comprising:

an information transmitting unit for transmitting first category information;

an encoding unit for encoding the first category information from the information transmitting unit;

a wireless transmitting unit for transmitting the first category information encoded by the encoding unit as an electromagnetic wave signal;

a wireless receiving unit for receiving the electromagnetic wave signal transmitted by the wireless transmitting unit;

a decoding unit for decoding the signal received by the wireless receiving unit;

a key generating unit for generating an encrypted key as second category information; and

a wire communication unit for distributing the encrypted key generated by the key generating unit to the encoding unit and the decoding unit via a wire.

5. An electronic apparatus comprising:

an information transmitting unit for transmitting first category information;

a random number generating unit for generating a random number as second category information;

a wire communication unit for distributing the random number generated by the random number generating unit via a wire;

an adding unit for adding the random number to the first category information transmitted from the information transmitting unit;

a wireless transmitting unit for transmitting the information added by the adding unit as an electronic wave signal;

a wireless receiving unit for receiving the electromagnetic wave signal transmitted from the wireless transmitting unit; and

a subtracting unit for subtracting the random number from the information received by the wireless receiving unit and for decoding the resultant signal.

6. An electronic apparatus comprising:

an information transmitting unit for transmitting first category information;

a spread code generating unit for generating a spread code as second category information;

a wire communication unit for transmitting the spread code generated from the spread code generating unit via a wire;

a modulating unit for spread-modulating the first category information transmitted from the information transmitting unit by the spread code;

a wireless transmitting unit for transmitting the information modulated by the modulator as an electromagnetic wave signal;

a wireless receiving unit for receiving the electromagnetic wave signal; and

a demodulating unit for reversely spreading the information received by the wireless receiving unit by the spread code.

12. An electronic apparatus comprising:

a wireless transmitting unit for modulating first category- information and transmitting the modulated information as an electromagnetic wave signal;

a wireless receiving unit for receiving the electromagnetic wave signal to demodulate the signal;

a wire transmitting unit for superimposing second category information on a power line to transmit the information; and

a wire receiving unit for separating the signal superimposed on the power line,

wherein the first category information and the second category information are transmitted in a communication link by the wireless transmitting unit and the wire transmitting unit, and the wireless transmitting unit and the wire transmitting unit are supplied with power through the common power line.

13. The electronic apparatus according to claim 12,

wherein the wireless transmitting unit comprises a control unit for generating a reference signal and a modulating unit for converting the first category information into the electromagnetic wave signal in synchronism with the reference signal,

wherein the second category information transmitted to or received from the wire transmitting unit and the wire receiving unit comprises the reference signal, and

wherein the wireless receiving unit includes a demodulating unit for demodulating the first category information in synchronism with the reference signal received by the wire receiving unit.

14. The electronic apparatus according to claim 12,

wherein the wireless transmitting unit comprises a control unit for generating a reference signal, a first carrier oscillating unit for oscillating a carrier wave synchronized with the reference signal, and a modulating unit for modulating the carrier wave oscillated from the first carrier oscillating unit into the first category information and for converting the first category information into the electromagnetic wave signal,

wherein the second category information transmitted to or received from the wire transmitting unit and the wire receiving unit comprises the reference signal, and

wherein the wireless receiving unit includes a second carrier oscillating unit for oscillating a carrier wave synchronized with the reference signal received by the wire receiving unit and a demodulating unit for demodulating the first category information using the carrier wave oscillated by the second carrier oscillating unit.

15. The electronic apparatus according to claim 12,

wherein the wireless transmitting unit comprises a control unit for generating a reference signal, a first carrier oscillating unit for oscillating a carrier wave synchronized with the reference signal, and a modulating unit for modulating the carrier wave oscillated from the first carrier oscillating unit into the first category information in synchronism with the reference signal and for converting the first category information into the electromagnetic wave signal,

wherein the second category information transmitted to or received from the wire transmitting unit and the wire receiving unit comprises the reference signal, and

wherein the wireless receiving unit includes a second carrier oscillating unit for oscillating a carrier wave synchronized with the reference signal received by the wire receiving unit and a demodulating unit for demodulating the first category information in synchronism with the reference signal received by the wire receiving unit, using the carrier wave oscillated by the second carrier oscillating unit.

16. The electronic apparatus according to claim 12,

wherein the wireless transmitting unit modulates the first category information by phase modulation to generate carrier wave information for modulation and demodulation based on the reference signal transmitted as the second category information via a wire, and

wherein a transmitting packet transmitted from the wireless transmitting unit is synchronized with the reference signal transmitted as the second category information via a wire.

17. The electronic apparatus according to claim 12,

wherein the wireless transmitting unit modulates the first category information by spectral spread modulation,

wherein the wireless receiving unit demodulates the first category information by spectral reverse spread demodulation and generates carrier wave information or synchronization information of a spread code for modulation and demodulation based on the reference signal transmitted as the second category information via a wire, so that the information is synchronized with the reference signal.

18. The electronic apparatus according to claim 12,

wherein the wireless transmitting unit modulates the first category information by UWB modulation and generates synchronization information of a pulse template for modulation and demodulation based on the reference signal transmitted as the second category information via a wire, so that the information is synchronized with the reference signal.

26. A wireless communication terminal comprising:

a first body;

a second body connected to the first body;

a connecting portion for connecting the first body to the second body so that the positional relationship between the first body and the second body may be changed;

an external wireless communication antenna mounted on at least one of the first body and the second body;

an external wireless communication control unit mounted on the first body for controlling external wireless communication using the external wireless communication antenna;

a display unit mounted on the second body;

a first internal wireless communication antenna mounted on the first body;

a second internal wireless communication antenna mounted on the second body;

a first internal wireless communication control unit mounted on the first body for controlling internal wireless communication using the first internal wireless communication antenna;

a second internal wireless communication control unit mounted on the second body for controlling internal wireless communication using the second internal wireless communication antenna; and

a wire communication unit mounted on at least one of the first body and the second body for transmitting through a wire transmission line a portion of information to be transmitted by the internal wireless communication.