1. A system comprising:
a medical image server configured to receive medical image data generated by one or more imaging modalities, the medical image data being formatted in a standard medical imaging format;
a database configured to store medical image data generated by the one or more imaging modalities;
a plurality of browsing terminals configured to receive a user selection that defines selected medical image data;
a search module configured to automatically search the database for related data based on the user selection; and
a production station that is configured to record all of the following onto a data storage medium:
the selected medical image data, recorded in the standard medical imaging format, the related data, and a viewing program that is configured to allow viewing of medical image data that is recorded onto the data storage medium by a general purpose computer that is not specifically configured with medical imaging software for viewing of medical images formatted in the standard medical imaging format.
2. The system of claim 1, further comprising a configuration data module configured to allow a user to input identifying information relating to the selected medical image data.
3. The system of claim 2, wherein the production station is configured to produce a label for the data storage medium, the label containing the identifying information.
4. The system of claim 1, further comprising an audit module that is configured to automatically provide an auditable trail of the selected medical image data.
5. The system of claim 4, wherein the auditable trail of the selected medical image data includes a record of when the selected medical image data and the related medical image data were recorded onto the data storage medium.
6. The system of claim 4, wherein the auditable trail of the selected medical image data includes identifying information corresponding to the production station used to record the selected medical image data and the related data onto the data storage medium.
7. The system of claim 1, wherein the data storage medium is an optical disk.
8. A method of recording medical image data and related data onto a data storage medium, the method comprising:
receiving medical image data from one or more imaging modalities, the received medical image data being formatted in a standard medical imaging format;
storing the received medical image data in a database;
receiving a user selection that defines selected medical image data;
automatically searching the database for related data based on the user selection;
recording the selected medical image data and the related data onto a data storage medium using a production station, the selected medical image data being recorded on the data storage medium in the standard medical imaging format;
recording a viewing program onto the data storage medium using the production station, the viewing program being configured to allow viewing of medical image data stored on the data storage medium on a general purpose computer that is not specifically configured with medical imaging software for viewing of medical images formatted in the standard medical imaging format; and
labeling the data storage medium with a label that includes identifying information associated with the selected medical image data.
9. The method of claim 8, wherein the user interface is further configured to collect the identifying information from the user.
10. The method of claim 8, further comprising generating an auditable trail of the selected medical image data, wherein the auditable trail includes a record of when the selected medical image data and the related medical image data were recorded onto the data storage medium.
11. The method of claim 8, wherein receiving a user selection comprises selecting one or more patients from a list of patients having medical image data stored in the database.
12. The method of claim 8, wherein the plurality of imaging modalities includes an image scanner configured to generate medical image data in a DICOM-compatible format from film.
13. The method of claim 8, wherein the data storage medium is an optical disk.
14. The method of claim 8, wherein recording the selected medical image data and the related data further comprises selecting a production station from a plurality of production stations that are connected to the database via a computer network.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A semiconductor integrated circuit comprising:
a time-constant variable bandpass filter which extracts a signal attributable to wobble from a signal outputted from a pickup circuit for scanning a surface of a recording medium formed with a track having in a surface thereof the wobble to thereby read a signal;
a digitizing circuit which digitizes a wobble signal having passed through the bandpass filter; and
a filter frequency control circuit which generates a control signal for controlling a frequency characteristic of the bandpass filter in accordance with the frequency of the wobble signal having passed through the bandpass filter,
wherein the filter frequency control circuit includes,
a lowpass filter for eliminating harmonic components of a signal outputted from the digitizing circuit,
a dummy filter identical in configuration to the bandpass filter,
a phase comparator which detects a difference in phase between a signal having passed through the dummy filter and a signal having no passed therethrough, and
a control signal generator which generates a frequency control signal for controlling an intermediate frequency of the bandpass filter according to the phase difference on the basis of a signal outputted from the phase comparator, and
wherein the intermediate frequency of the dummy filter and the cutoff frequency of the lowpass filter are controlled in conjunction with the intermediate frequency of the bandpass filter on the basis of the frequency control signal.
2. A semiconductor integrated circuit according to claim 1, further-comprising:
a bypass path which supplies the signal outputted from the digitizing circuit to the dummy filter not through the lowpass filter,
switching means which causes any of the signal from the bypass path and the signal having passes through the lowpass filter to selectively pass therethrough, and
a control circuit which detects the amplitude of the signal having passed through the lowpass filter, and controls the switching circuit and supplies the signal having passed through the bypass path to the dummy filter when the amplitude is less than or equal to a predetermined level.
3. A semiconductor integrated circuit according to claim 1, wherein the lowpass filter and the dummy filter are continuous filters.
4. A semiconductor integrated circuit according to claim 3, wherein the lowpass filter and the dummy filter are secondary or more active filters.
5. A semiconductor integrated circuit according to claim 1, further comprising:
a DA converter which DA-converts a command value for designating the intermediate frequency of the bandpass filter, and
second switching means which causes either a signal outputted from the DA converter or the control signal outputted from the control signal generator to selectively pass therethrough,
wherein the second switching means causes the control signal outputted from the control signal generator to pass therethrough in a first mode and causes the output signal of the DA converter to pass therethrough in a second mode.
6. A semiconductor integrated circuit according to claim 1, further comprising:
a frequency divider which divides a signal prior to being transmitted through the lowpass filter.
7. A medium record playback device comprising:
a pickup circuit which scans a surface of a recording medium formed with a track having in a surface thereof wobble to thereby read a signal;
medium driving means which rotatably drives the recording medium;
a semiconductor integrated circuit described In claims 1; and
a signal processing circuit which supplies either a digitized wobble signal outputted from the semiconductor integrated circuit or a clock signal having a predetermined frequency to a frequency follow-up circuit.
8. A medium record playback device according to claim 7, wherein the semiconductor integrated circuit includes an amplifier circuit which amplifies the signal read from the pickup circuit to a signal having predetermined amplitude, and a waveform equalization circuit which effects waveform equalization on the amplified-signal, and the signal processing circuit has the function of reproducing an information signal in response to the signal processed by the waveform equalization circuit.
9. A medium record playback device according to claim 8, wherein the signal processing circuit is capable of generating a control signal for switching the second switching means and supplying it to the semiconductor integrated circuit.
10. A medium record playback device according to claim 7, further comprising:
a phase locked loop circuit which generates a clock signal defined as the reference from the digitized wobble signal outputted from the semiconductor integrated circuit.
11. A medium record playback device according to claim 7, wherein the semiconductor integrated circuit includes a signal generator which generates a servo control detection signal for generating a signal indicative of the state of a pickup, based on the signal from the pickup circuit, and the signal processing circuit has the function of generating a control signal for servo-controlling an actuator of the pickup in response to the signal generated by the signal generator.