Author: claimsbot

1. A switched capacitor amplifier circuit comprising:
an operational amplifier having a first input terminal and a second input terminal;
a first sampling capacitor being connected between an input signal and said first input terminal in a first phase; and
a first reference capacitor being coupled between said first input terminal and a reference voltage in said first phase, said first reference capacitor being connected between said first input terminal and a non-zero voltage in a second phase.
2. The switched capacitor amplifier circuit of claim 1, wherein said non-zero voltage represents said reference voltage but with opposite polarity.
3. The switched capacitor amplifier circuit of claim 2, further comprising:
a first feedback capacitor connected between said first input terminal and a first output terminal of said operational amplifier in said second phase,
wherein said first sampling capacitor is connected between a common mode reference voltage and said first input terminal in said second phase,
whereby the output (Vout) of said operational amplifier equals:
Vout
=
Cs
\u2062
\u2062
1

Cf

\xd7

(

Vinp
–
Vcm

)
–
Cs
\u2062
\u2062
2

Cf

\u2062

(
V
REF

–

V
1
)
wherein Cs1, Cs2 and Cf respectively represent the capacitance values of said first sampling capacitor, said first reference capacitor, and said first feedback capacitor, and Vinp, Vcm, Vref, and V1 respectively represent the voltage levels of said input signal, said common mode reference voltage, said reference voltage, and said non-zero voltage.
4. The switched capacitor amplifier circuit of claim 3, wherein Vcm is equal to 0 and V1 is equal to-Vref.
5. The switched capacitor amplifier circuit of claim 3, wherein said operational amplifier is operated in a differential mode, wherein Vref is equal to a difference between said reference voltage and said reference voltage with opposite polarity, V1 is equal to -Vref, and Vcm is equal to a common mode voltage of said input signal.
6. A device comprising:
a processor processing a plurality of digital values;
a switched capacitor amplifier circuit receiving an input signal and generating an amplified signal, each of said plurality of digital values being generated from said amplified signal, said switched capacitor amplifier circuit comprising:
an operational amplifier having a first input terminal and a second input terminal;
a first sampling capacitor being connected between an input signal and said first input terminal in a first phase; and
a first reference capacitor being coupled between said first input terminal and a reference voltage in said first phase, said first reference capacitor being connected between said first input terminal and a non-zero voltage in a second phase.
7. The device of claim 6, wherein said non-zero voltage represents said reference voltage but with opposite polarity.
8. The device of claim 7, further comprising:
a first feedback capacitor connected between said first input terminal and a first output terminal of said operational amplifier in said second phase,
wherein said first sampling capacitor is connected between a common mode reference voltage and said first input terminal in said second phase,
whereby the output (Vout) of said operational amplifier equals:
Vout
=
Cs
\u2062
\u2062
1

Cf

\xd7

(

Vinp
–
Vcm

)
–
Cs
\u2062
\u2062
2

Cf

\u2062

(

VREF
–

V
\u2062
\u2062
1
)
wherein Cs1, Cs2 and Cf respectively represent the capacitance values of said first sampling capacitor, said first reference capacitor, and said first feedback capacitor, and Vinp, Vcm, Vref, and V1 respectively represent the voltage levels of said input signal, said common mode reference voltage, said reference voltage, and said non-zero voltage.
9. The device of claim 8, wherein Vcm is equal to 0 and V1 is equal to -Vref.
10. The device of claim 8, wherein said operational amplifier is operated in a differential mode, wherein Vref is equal to a difference between said reference voltage and said reference voltage with opposite polarity, V1 is equal to -Vref, and Vcm is equal to a common mode voltage of said input signal.
11. The device of claim 6, wherein said switched capacitor amplifier circuit is comprised in a analog to digital converter (ADC).
12. The device of claim 11, further comprising:
a low noise amplifier receiving an external signal and generating an amplified signal;
a mixer down-converting said amplified signal using a carrier signal to generate a down-converted signal; and
a filter circuit filtering undesired components from said down-converted signal to generate said input signal;
wherein said ADC converts said input signal into said plurality of digital values.
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. An image reading apparatus comprising:
a scanner unit which optically scans an original;
a drive unit which moves said scanner unit;
a mode setting unit which sets between a normal processing mode and a high-speed processing mode; and
a controller,
wherein when an operation of reading an image of the original has been completed,
in said normal processing mode, said controller controls said drive unit to move said scanner unit to a home position, and thereafter sets an energized electric power of said drive unit at a minimum electric power, and keeps an energized state of said drive unit for a predetermined period of time, wherein when said controller is instructed to start a reading of an image of a succeeding original within the predetermined period of time, said controller performs a shading compensation for compensating an output of said scanner unit, and thereafter performs an operation of reading the image of the succeeding original, and
in said high speed processing mode, said controller sets the energized electric power of said drive unit at the minimum electric power without moving said scanner unit to the home position, and keeps the energized state of said drive unit for the predetermined period of time, wherein when said controller is instructed to start the reading of the image of the succeeding original within the predetermined period of time, said controller performs the operation of reading the image of the succeeding original without performing the shading compensation.
2. An image reading apparatus according to claim 1, wherein when the predetermined period of time has elapsed,
in said normal processing mode, said controller turns off an electric current to said drive unit, and
in said high-speed processing mode, said controller controls said drive unit to move said scanner unit to the home position, and thereafter turns off the electric current to said drive unit.
3. An image reading apparatus according to claim 1, wherein when said controller is instructed to start a reading of an image of the original after an electric power is applied to said image reading apparatus, said controller controls said drive unit to move said scanner unit to perform a home position search to initialize a position of said scanner unit for position setting, and thereafter performs an operation of reading the image of the original.
4. An image reading apparatus according to claim 1, further comprising a time setting unit which sets the predetermined period of time.
5. An image forming apparatus comprising:
an image reading apparatus as recited in claim 1; and
an image forming unit which records image information read by said image reading apparatus on a sheet.
6. A method of reading an image by using an image reading apparatus including a scanner unit which optically scans an original, a drive unit which moves said scanner unit, and a mode setting unit which sets between a normal processing mode and a high-speed processing mode, said method comprising:
when an operation of reading an image of the original has been completed in said normal processing mode, controlling said drive unit to move said scanner unit to a home position, and thereafter setting an energized electric power of said drive unit at a minimum electric power, and keeping an energized state of said drive unit for a predetermined period of time, wherein when instructed to start a reading of an image of a succeeding original within the predetermined period of time, performing a shading compensation for compensating an output of said scanner unit, and thereafter performing an operation of reading the image of the succeeding original, and
when the operation of reading the image of the original has been completed in said high-speed processing mode, setting the energized electric power of said drive unit at the minimum electric power without moving said scanner unit to the home position, and keeping the energized state of said drive unit for the predetermined period of time, wherein when instructed to start the reading of the image of the succeeding original within the predetermined period of time, performing the operation of reading the image of the succeeding original without performing the shading compensation.

1. An information storage medium comprising:
a management area for recording management information; and
a data area for recording content data,
wherein the content data recorded in the data area contains a plurality of object data,
each object data contains a plurality of data units,
each data unit contains a plurality of packs,
each pack contains at least one packet,
the packet contains at least one transport stream packet,
the management information recorded in the management area contains program chain information which manages a playback order of data contained in the object data,
the program chain information contains cell information,
the cell information contains information that specifies an object to be played back, and the management area contains information representing number of the data units.
2. A medium according to claim 1, wherein the management area contains information of the stream.
3. A medium according to claim 1, wherein each data unit contains length of the data unit.
4. A medium according to claim 1, wherein each data unit contains end address of picture.
5. An information recording method for recording information on an information storage medium including a management area and data, area, comprising:
recording management information in the management area and a plurality of object data in the data area;
reading object data management information which manages the object data contained in the management information;
deciding identification information of object data to be played back on the basis of the object data management information, wherein the object data management information contains first and second tables, the first table containing identification information of a transport stream packet containing second table, and the second table containing identification information of the transport stream packet,
and deciding identification information of the second table to be played back on the basis of the object data management information,
each object data contains a plurality of data units,
each data unit contains a plurality of packs,
each pack contains at least one packet,
the packet contains at least one transport stream packet,
the management information recorded in the management area contains program chain information which manages a playback order of data contained in the object data, and
the program chain information contains cell information,
the cell information contains information that specifies an object to be played back, and
the management area contains information representing number of data units.
6. A method according to claim 5, wherein the management area contains information of the stream.
7. A method according to claim 5, wherein
each data unit contains length of the data unit.
8. A method according to claim 5, wherein each data unit contains end address of picture.
9. An information playback method for playing back information on an information storage medium including a management area on which management information is recorded and data area on which a plurality of object data is recorded, comprising:
reading object data management information which manages the object data contained in the management information; and
deciding identification information of object data to be played back on the basis of the object data management information
wherein the object data management information contains first and second tables, the first table containing identification information of a transport stream packet containing second table, and the second table containing identification information of the transport stream packet,
deciding identification information of the second table to be played back on the basis of the object data management information,
each object data contains a plurality of data units,
each data unit contains a plurality of packs,
each pack contains at least one packet,
the packet contains at least one transport stream packet,
the management information recorded in the management area contains program chain information which manages a playback order of data contained in the object data, and
the program chain information contains cell information,
the cell information contains information that specifies an object to be played back, and
the management area contains information representing number of the data units.
10. A method according to claim 9, wherein the management area contains information of the stream.
11. A method according to claim 9, wherein each data unit contains length of the data unit.
12. A method according to claim 9, wherein, each data unit contains end address of picture.

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. An information processing apparatus communicating with a device to receive device information from the device, the information processing apparatus comprising:
operation-acquisition-request receiving means for receiving an operation acquisition request from the device for acquiring an operation applied to the device from the information processing apparatus;
operation-transmitting means for transmitting to the device an operation applied to the device according to the operation acquisition request;
request-adding means for adding a request for transmission of the operation acquisition request to a reply to device information from the device; and
response-transmitting means for transmitting the reply to the device information from the device to the device, wherein the request for transmission of the operation acquisition request is added to the reply by the request-adding means.
2. The information processing apparatus according to claim 1, wherein a schema of the request for transmission of the operation acquisition request is prepared for a SOAP response to a SOAP function in a transmission test from the device to describe an instruction to the device in the schema if there is an instruction to the device.
3. The information processing apparatus according to claim 1, further comprising:
determination means for determining whether there is an operation necessary for the device transmitting the device information,
wherein the response-transmitting means transmits the reply to the device information from the device to the device, wherein the request for transmission of the operation acquisition request is added to the reply by the request-adding means if there is an operation necessary for the device, and the request for transmission of the operation acquisition request is not added to the reply by the request-adding means if there is no operation necessary for the device.
4. The information processing apparatus according to claim 1, wherein the device information includes at least one of a connection test to the information processing apparatus, regularly reported device information, and failure information about a failure occurring irregularly.
5. An information processing apparatus communicating with a device, the information processing apparatus comprising:
an operation-acquisition-request receiving unit configured to receive an operation acquisition report from the device for acquiring an operation applied to the device from the information processing apparatus;
an operation-transmitting unit configured to transmit to the device an operation applied to the device according to the operation acquisition request; and
a response-transmitting unit configured to transmit a request for transmission of the operation acquisition request as a reply to communication from the device if there is an operation applied to the device.
6. A device communicating with an information processing apparatus to perform an operation sent from the information processing apparatus, the device comprising:
communication means for transmitting device information to the information processing apparatus;
response-information receiving means for receiving response information sent from the information processing apparatus in response to the device information transmitted by the communication means;
transmission means for transmitting to the information processing apparatus an operation acquisition request for acquiring an operation applied to the device from the information processing apparatus;
operation-receiving means for receiving an operation corresponding to the operation acquisition request; and
instruction-information determination means for determining whether the response information received by the response-information receiving means includes a request for transmission of the operation acquisition request,
wherein the transmission means transmits the operation acquisition request if the instruction-information determination means determines that the response information includes a request for transmission of the operation acquisition request.
7. A device communicating with an information processing apparatus to perform an operation sent from the information processing apparatus, the device comprising:
a communication unit configured to communicate with the information processing apparatus;
a response-information receiving unit configured to receive response information from the information processing apparatus in response to the communication by the communication unit;
a transmission unit configured to transmit to the information processing apparatus an operation acquisition request for acquiring an operation applied to the device from the information processing apparatus; and
an operation-receiving unit configured to receive an operation corresponding to the operation acquisition request;
wherein the transmission unit transmits the operation acquisition request if the response information received by the response-information receiving unit includes a request for transmission of the operation acquisition request.
8. The device according to claim 7, wherein the communication by the communication unit includes at least one of a connection test to the information processing apparatus, regularly reported device information, and failure information about a failure occurring irregularly.
9. An information processing method by an information processing apparatus communicating with a device to receive device information from the device, the information processing method comprising:
receiving from the device an operation acquisition request for acquiring an operation applied to the device from the information processing apparatus;
transmitting an operation applied to the device to the device according to the operation acquisition request;
adding a request for transmission of the operation acquisition request to a reply to device information from the device; and
transmitting to the device the reply to the device information from the device, wherein the request for transmission of the operation acquisition request is added to the reply in the request-adding step.
10. An information processing method by an information processing apparatus communicating with a device, the information processing method comprising:
receiving from the device an operation acquisition request for acquiring an operation applied to the device from the information processing apparatus;
transmitting an operation applied to the device to the device according to the operation acquisition request; and
transmitting a request for transmission of the operation acquisition request as a reply to communication from the device if there is an operation applied to the device.
11. A computer-executable program for causing a computer to execute an information processing method, the program comprising:
receiving from a device an operation acquisition request for acquiring an operation applied to the device from the computer;
transmitting an operation applied to the device to the device according to the operation acquisition request;
adding a request for transmission of the operation acquisition request to a reply to device information from the device; and
transmitting to the device the reply to the device information from the device, wherein the request for transmission of the operation acquisition request is added to the reply in the request-adding step.