What is claimed is:
1. A closed space monitor system comprising:
a transmitter for generating and transmitting a compression wave of gas;
a receiver for receiving the compression wave of gas and transmitting a signal;
an amplifier portion which amplifies the signal transmitted from the receiver; and
the amplified signal from the receiver being transmitted from the transmitter for generating a stationary wave in a closed space.
2. The closed space monitor system according to claim 1, further comprising a self-excited oscillator for generating the stationary wave in the closed space.
3. The closed space monitor system according to claim 2, further comprising:
an automatic gain control portion which automatically changes a gain so that a signal strength transmitted from the transmitter becomes approximately constant in accordance with the signal strength from the receiver;
the automatic gain control portion stabilizing one of the stationary wave, an amplitude value of the stationary value, and an effective value of the stationary wave.
4. The closed space monitor system according to claim 3, further comprising:
judging means for judging an occurrence of an intrusion into the closed space based on fluctuation of one of the amplitude value of the stationary wave and the effective value of the stationary wave.
5. The closed space monitor system according to claim 4, wherein the judging means compares an electric voltage value from the receiver in accordance with the signal strength and a predetermined alarm determination electric voltage, and judges the occurrence of the intrusion when the electric voltage value is less. than the alarm determination electric voltage.
6. The closed space monitor system according to claim 5, wherein the judging means includes a speaker having directivity with a pinhole provided on an output portion of the speaker.
7. The closed space monitor system according to claim 5, wherein the judging means includes a ultrasonic oscillator having a pinhole on an output portion of the ultrasonic oscillator.
8. The closed space monitor system according to claim 5, wherein the transmitter includes a piezoelectric oscillator connected to an elastic body having either a spherical shape or a polyhedral shape.
9. The closed space monitor system according to claim 2, wherein a fluctuation sensitivity of the stationary wave is determined by a volume of a condenser.
10. The closed space monitor system according to claim 1, further comprising:
an automatic gain control portion which automatically changes a gain so that a signal strength transmitted from the transmitter becomes approximately constant in accordance with the signal strength from the receiver;
the automatic gain control portion stabilizing one of the stationary wave, an amplitude value of the stationary value, and an effective value of the stationary wave.
11. The closed space monitor system according to claim 10, further comprising:
judging means for judging an occurrence of an intrusion into the closed space based on fluctuation of one of the amplitude value of the stationary wave and the effective value of the stationary wave.
12. The closed space monitor system according to claim 11 wherein the judging means compares an electric voltage value from the receiver in accordance with the signal strength and a predetermined alarm determination electric voltage, and judges the occurrence of the intrusion when the electric voltage value is less. than the alarm determination electric voltage.
13. The closed space monitor system according to claim 12, wherein the transmitter includes a speaker having directivity with a pinhole provided on an output portion of the speaker.
14. The closed space monitor system according to claim 12, wherein the transmitter includes an ultrasonic oscillator having a pinhole on an output portion of the ultrasonic oscillator.
15. The closed space monitor system according to claim 12, wherein the transmitter includes a piezoelectric oscillator connected to an elastic body having either a spherical shape or a polyhedral shape.
16. A closed space monitor system in a vehicle for detecting an occurrence of an intrusion into a closed space in the vehicle comprising:
a transmitter for generating and transmitting a compression wave of gas;
a receiver for receiving the compression wave and transmitting a signal;
an amplifier which amplifies the signal transmitted from the receiver;
the amplified signal from the receiver being transmitted from the transmitter for generating a stationary wave in the closed space of the vehicle, the stationary wave having an amplitude value and an effective value; and
means for judging an occurrence of an intrusion into the closed space of the vehicle based on a fluctuation of the amplitude value of the stationary wave or the effective value of the stationary wave.
17. The closed space monitor system according to claim 16, further comprising:
an automatic gain control portion which automatically changes a gain so that a signal strength transmitted from the transmitter becomes approximately constant in accordance with the signal strength from the receiver;
the automatic gain control portion stabilizing one of the stationary wave, the amplitude value of the stationary value, and the effective value of the stationary wave.
18. The closed space monitor system according to claim 16 wherein the judging means compares an electric voltage value from the receiver in accordance with the signal strength and a predetermined alarm determination electric voltage, and judges the occurrence of the intrusion when the electric voltage value is less. than the alarm determination electric voltage.
19. The closed space monitor system according to claim 16, wherein the transmitter is one of a speaker having a pinhole on an output portion of the speaker, an ultrasonic oscillator having a pinhole on an output portion of the ultrasonic oscillator, and a piezoelectric oscillator connected to an elastic body.
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 method of generating a public long code mask (PLCM) in a mobile terminal, the method comprising:
receiving from a base station a PLCM type indicator that indicates a type of the PLCM to be used in the mobile terminal; and
generating at least part of the PLCM based on an IMSI_O_S by setting the least significant 34 bits of the PLCM to the IMSI_O_S and setting the most significant 5 bits of the PLCM (M41 through M37) as \u201811000\u2019, when the PLCM type indicator is equal to a first value of \u20180010\u2019 or a second value of \u20180011\u2019,
wherein an IMSI_O is an operational international mobile station identification (IMSI), and the IMSI_O_S is last 10-digit numbers of the IMSI_O,
wherein the IMSI_O is derived from an IMSI_M, when the PLCM type indicator is the first value, the IMSI_M is based on a mobile identification number (MIN) of the mobile terminal,
wherein the IMSI_O is derived from an IMSI_T, when the PLCM type indicator is the second value, the IMSI_T is not associated with the MIN, and
wherein a size of the PLCM is 42 bits.
2. The method of claim 1, further comprising:
setting 3 bits of the PLCM (M36 through M34) after the most significant 5 bits of the PLCM (M41 through M37) as \u2018001\u2019 when the PLCM type indicator is equal to the first value of \u20180010\u2019; and
setting 3 bits of the PLCM (M36 through M34) after the most significant 5 bits of the PLCM (M41 through M37) as \u2018000\u2019 when the PLCM type indicator is equal to the second value of \u20180011\u2019.
3. A mobile terminal for using a public long code mask (PLCM) in a mobile communication system, the mobile terminal comprising:
a receiving module receiving from a base station a PLCM type indicator that indicates a type of PLCM to be used in the mobile terminal; and
a PLCM generating module generating at least part of the PLCM based on an IMSI_O_S by setting the least significant 34 bits of the PLCM to the IMSI_O_S and setting the most significant 5 bits of the PLCM (M41 through M37) as \u201811000\u2019, when the PLCM type indicator is equal to a first value of \u20180010\u2019 or a second value of \u20180011\u2019,
wherein an IMSI_O is an operational international mobile station identification (IMSI), and the IMSI_O_S is last 10-digit numbers of the IMSI_O,
wherein the IMSI_O is derived from an IMSI_M, when the PLCM type indicator is the first value, the IMSI_M is based on a mobile identification number (MIN) of the mobile terminal,
wherein the IMSI_O is derived from an IMSI_T, when the PLCM type indicator is the second value, the IMSI_T is not associated with the MIN, and
wherein a size of the PLCM is 42 bits.
4. The mobile terminal of claim 3, wherein the PLCM generating module sets 3 bits of the PLCM (M36 through M34) after the most significant 5 bits of the PLCM (M41 through M37) as \u2018001\u2019 when the PLCM type indicator is equal to the first value of \u20180010\u2019, and
wherein the PLCM generating module sets 3 bits of the PLCM (M36 through M34) after the most significant 5 bits of the PLCM (M41 through M37) as \u2018000\u2019 when the PLCM type indicator is equal to the second value of \u20180011\u2019.
5. A method of generating a public long code mask (PLCM) in a mobile terminal, the method comprising:
receiving from a base station a PLCM type indicator that indicates a type of PLCM to be used in the mobile terminal;
generating the 34 least significant bits of the PLCM (M33 through M0) based on an IMSI_O_S which is derived from IMSI_M and setting the most significant 5 bits of the PLCM (M41 through M37) as \u201811000\u2019, when the PLCM type indicator is equal to \u20180010\u2019; and
generating the 34 least significant bits of the PLCM (M33 through M0) based on the IMSI_O_S which is derived from IMSI_T and setting the most significant 5 bits of the PLCM (M41 through M37) as \u201811000\u2019, when the PLCM type indicator is equal to \u20180011\u2019,
wherein the IMSI_O is an operational international mobile station identification and the IMSI_O_S is last 10-digit numbers of the IMSI_O,
wherein the IMSI_M is an international mobile station identification (IMSI) that is based on a mobile identifier number (MIN), the IMSI_T is the IMSI that is not associated with the MIN, and
wherein a size of the PLCM is 42 bits.
6. The method of claim 5, further comprising:
setting 3 bits of the PLCM (M36 through M34) after the most significant 5 bits of the PLCM (M41 through M37) as \u2018001\u2019 when the PLCM type indicator is equal to the first value of \u20180010\u2019; and
setting 3 bits of the PLCM (M36 through M34) after the most significant 5 bits of the PLCM (M41 through M37) as \u2018000\u2019 when the PLCM type indicator is equal to the second value of \u20180011\u2019.
7. A mobile terminal for using a public long code mask (PLCM) in a mobile communication system, the mobile terminal comprising:
a receiving module receiving from a base station a PLCM type indicator that indicates a type of PLCM to be used in the mobile terminal; and
a PLCM generating module generating the 34 least significant bits of the PLCM (M33 through M0) based on an IMSI_O_S which is derived from IMSI_M and setting the most significant 5 bits of the PLCM (M41 through M37) as \u201811000\u2019, when the PLCM type indicator is equal to \u20180010\u2019 and generating the 34 least significant bits of the PLCM (M33 through M0) based on the IMSI_O_S which is derived from IMSI_T and setting the most significant 5 bits of the PLCM (M41 through M37) as \u201811000\u2019, when the PLCM type indicator is equal to \u20180011\u2019,
wherein the IMSI_O is an operational international mobile station identification and the IMSI_O_S is last 10-digit numbers of the IMSI_O,
wherein the IMSI_M is an international mobile station identification (IMSI) that is based on a mobile identifier number (MIN), the IMSI_T is the IMSI that is not associated with the MIN, and
wherein a size of the PLCM is 42 bits.
8. The mobile terminal of claim 7, wherein the PLCM generating module sets 3 bits of the PLCM (M36 through M34) after the most significant 5 bits of the PLCM (M41 through M37) as \u2018001\u2019 when the PLCM type indicator is equal to the first value of \u20180010\u2019, and
wherein the PLCM generating module sets 3 bits of the PLCM (M36 through M34) after the most significant 5 bits of the PLCM (M41 through M37) as \u2018000\u2019 when the PLCM type indicator is equal to the second value of \u20180011\u2019.