1.-8. (canceled)
9. Apparatus for measuring the oxygen saturation level of blood at an internal measurement site in a human or animal patient by reflectance pulse oximetry, comprising:
a first light source having a first spectral distribution;
a second light source having a second spectral distribution;
a first optical fibre having a proximal end adjacent at least one said light source, and a distal end adapted in use to be positioned adjacent said internal measurement site, for transferring light from at least one said light source to the internal measurement site;
at least one receiver, for receiving light from the first and second light sources;
at least a second optical fibre having a proximal end adjacent the said receiver, and a distal end adapted in use to be positioned adjacent said internal measurement site, for transferring light reflected from the region of the measurement site to the receiver;
means for determining the oxygen saturation level of the blood at the internal measurement site, based on the light produced by the light sources and light received by the receiver,
wherein the optical centres of the first and second optical fibres are separated from one another by at least 1 mm at their distal ends.
10. Apparatus as claimed in claim 9, wherein the first light source is monochromatic.
11. Apparatus as claimed in claim 9, wherein the second light source is monochromatic.
12. Apparatus as claimed in claim 9, including means for pulsing light from the first and second light sources sequentially along the first optical fibre.
13. Apparatus as claimed in claim 9, wherein the first light source is such as to produce light having a peak emission wavelength of from 630 nm to 760 nm and the second light source is such as to produce light having a peak emission wavelength of from 820 nm to 930 nm.
14. Apparatus as claimed in claim 9, wherein the said measurement site is the surface of the brain, and wherein the apparatus additionally comprises a cranial access bolt for insertion into the skull of the patient, and means for supporting the said optical fibres in the access bolt, such that light from the said light sources is directed towards the surface of the brain, thereby enabling measurement of the oxygen saturation level of blood at the brain surface.
15. Apparatus as claimed in claim 14, wherein the cranial access bolt is adapted to support the said optical fibres, such that the distal ends of the optical are positioned from 0 to 4.0 mm from the surface of the brain.
16. A method of measuring the oxygen saturation level in the brain tissue of a human or animal patient, comprising the steps of inserting the distal ends of the optical fibres of apparatus as claimed in any one of claims 9 to 13 through a cranial access bolt positioned in the skull of the patient;
positioning the distal ends of the optical fibres at a distance of from 0 to 4.0 mm from the brain surface;
illuminating the brain surface of the patient using the said light sources;
and determining the oxygen saturation level of blood at the brain surface from reflected light received at the receiver via the said second optical fibre.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A mobile device comprising:
a wireless communication unit which performs wireless communication via a wireless network;
a signal processing unit which processes a signal transmittedreceived by the wireless communication unit;
a display unit which displays an image based on the signal processed by the signal processing unit; and
a control unit which receives a message from a counterpart device, displays the received message on the display unit, remotely accesses a remote device, and controls the remote device to allow the mobile device to access information stored in the remote device.
2. The mobile device according to claim 1, wherein the control unit determines whether to receive the message based on an importance level of the message.
3. The mobile device according to claim 1, wherein the control unit checks whether the message was delivered through the remote device and remotely accesses the remote device which delivered the message.
4. The mobile device according to claim 3, wherein the control unit receives reference information corresponding to a condition of user absence in the remote device and checks that the message was delivered through the remote device based on the reference information.
5. The mobile device according to claim 4, wherein the control unit displays a selection User Interface (UI) for remote access to the remote device on the display unit, and
wherein the control unit remotely accesses the remote device in response to an input from the user through the selection UI.
6. The mobile device according to claim 1, wherein the control unit displays a list of one or more accessible remote devices on the display unit, and
wherein the control unit remotely accesses one selected from the displayed list of remote devices in response to an input from a user.
7. The mobile device according to claim 1, wherein the control unit remotely controls the remote device to send the information stored in the remote device to the counterpart device.
8. A control method of a mobile device, comprising:
performing wireless communication via a wireless network and receiving and displaying a message from a counterpart device;
remotely accessing a remote device; and
controlling the remote device to allow the mobile device to access information stored in the remote device.
9. The control method according to claim 8, further comprising determining whether to receive the message based on an importance level of the message.
10. The control method according to claim 8, wherein the remotely accessing comprises checking whether the message was delivered through the remote device and remotely accessing the remote device which delivered the message.
11. The control method according to claim 10, wherein the remotely accessing comprises:
receiving reference information corresponding to a condition of user absence in the remote device; and
checking that the message was delivered through the remote device based on the reference information.
12. The control method according to claim 11, further comprising displaying a selection User Interface (UI) for remote access to the remote device,
wherein the remotely accessing comprises remotely accessing the remote device in response to an input from the user through the selection UI.
13. The control method according to claim 8, further comprising displaying a list of one or more accessible remote devices on a display unit,
wherein the remotely accessing comprises remotely accessing one selected from the displayed list of remote devices in response to an input from a user.
14. The control method according to claim 8, wherein the remotely accessing comprises remotely controlling the remote device to send the information stored in the remote device to the counterpart device.
15. A message-sending server which sends a message to a mobile device, comprising:
a communication unit which performs communication via a network; and
a control unit which receives a message sending request from a first device to a second device, checks whether the second device receives a message, and, if the second device is under a condition of user absence, controls the communication unit to send a message from the first device and reference information indicating that the second device is under the condition of user absence to the mobile device.
16. The message-sending server according to claim 15, further comprising a storing unit which stores information related to a user account of the first device,
wherein the control unit performs a charging process for the sending of the message to the mobile device and reflects a result of the charging process in the information related to the user account.
17. The message-sending server according to claim 15, wherein the control unit adds advertisement information to the message sent to the mobile device.
18. A message sending method which sends a message to a mobile device using a message-sending server, comprising:
receiving a message sending request from a first device to a second device via a network;
checking whether the second device receives the message; and
if the second device is under a condition of user absence, sending the message from the first device and reference information indicating that the second device is under the condition of user absence to the mobile device.
19. The message sending method according to claim 18, further comprising performing a charging process for the sending of the message to the mobile device and reflecting a result of the charging process in information related to a user account of the first device.
20. The message sending method according to claim 18, further comprising adding advertisement information to the message sent to the mobile device.